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In short I'm creating a 2D mmorpg and unlike my last "mmo" I started developing I want to make sure that this one will scale well and work well when I want to add new in-game features or modify existing ones.
With my last attempt with an avatar chat within the first few thousand lines of code and just getting basic features added into the game I seen my code quality lowering and my ability to add new features or modify old ones was getting lower too as I added more features in. It turned into one big mess that some how ran, lol.
This time I really need to buckle down and find a design that will allow me to create a game framework that will be easy to add and remove features (aka things like playing mini-games within my world or a mail system or buddy list or a new public area with interactive items).
I'm thinking that maybe a component based approach MIGHT be what I'm looking for but I'm really not sure. I have read documents on mmorpg design and 2d game engine architecture but nothing really explained a way of designing a game framework that will basically let me "plug-in" new features into the main game.
Hope someone understands what I mean, any help is appreciated.
If you search for component-based systems within games, you will find something quite different to what you are actually asking for. And how best to do this is far from agreed upon just yet, anyway. So I wouldn't recommend doing that. What you're really talking about is not really anything specific to games, never mind MMOs. It's just the ability to write maintainable code which allows for extension and improvements, which was a problem for business software long before games-as-a-service became so popular and important.
I'd say that addressing this problem comes primarily from two things. Firstly, you need a good specification and a resulting design that makes an attempt to understand future requirements, so that the systems you write now are more easily extended when you come to that. No plug-in architecture can work well without a good idea of what exactly you hope to be plugging in. I'm not saying you need to draw up a 100-page design doc, but at the very least you should be brainstorming your ideas and plans and looking for common ground there, so that when you're coding feature A, you are writing it with Future feature B in mind.
Secondly, you need good software engineering principles which mean that your code is easy to work with and use. eg. Read up on the SOLID principles, and take some time to understand why these 5 ideas are useful. Code that follows those rules is a lot easier to twist to whatever future needs you have.
There is a third way to improve your code, but which isn't going to help you just yet: experience. Your code gets better the more you write and the more you learn about coding. It's possible (well, likely) that with an MMO you are biting off a lot more than you can chew. Even teams of qualified professionals end up with unmaintainable messes of code when attempting projects of that magnitude, so it's no surprise that you would, too. But they have messes of code that they managed to see to completion, and often that's what it's about, not about stopping and redesigning whenever the going gets tough.
Yes, I got what you want...
Basically, you will have to use classic OOP design, the same one that business software coders use...
You will first have to lay out the basic engine, that engine should have a "module loader" or a common OOP-style interface, then you either code modules to be loaded (like, as .dlls) or you code directly within your source code, using that mentioned OOP-style interface, and NEVER, EVER allow a module to depend on each other...
The communication, even inside your code, should be ALWAYS using a interface, never put "public" vars in your modules and use it somewhere else, otherwise you will end with a awfull and messy code.
But if you do it properly, you can do some really cool stuff (I for example, changed the entire game library (API that access video, mouse, keyboard, audio...) of my game, in the middle of development... I just needed to recode one file, that was the one that made the interface between logic, and game library...)
What you're thinking about is exactly what this article describes. It's a lovely way to build games as I have blogged about, and the article is an excellent resource to get your started.
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I work at a web development shop so naturally we deal with user profiles. When dealing with one of our sites I noticed that there was no 'User' class, which struck me as odd since we certainly have users. Instead the site relies on interacting with DataRows (this is C#) returned through static methods with little to no instantiation. I asked my boss about creating a class for users and his response was that since the objects have to be rebuilt so much its often not worth it.
I am relatively new to web development and it does seem like a bit of a waste to have to instantiate objects each time the page is rebuilt but on the other hand I've always found object oriented programming to be useful. So I'm curious for some opinions, how much do you guys use OOP in web development?
The only time I don't use OOP is when:
I'm creating a simple project to test some logic. This usually leads to creating the right classes...
I'm using Classic ASP (been awhile, thank god).
I'm not programming.
edit
3+ years after posting the above; I'm appending a bit to my answer.
OOP is great and allows us a tremendous amount of flexibility for having multiple systems interacting with the same data / logic. However, there is certainly a situation in which you wouldn't want to bother loading up a lot of objects.. Namely, when you are simply pulling data for tabular display.
Querying a database and getting a simple record set back that is immediately emitted to the browser usually doesn't need OOP involved. As a matter of fact you might want to sidestep OOP completely as tabular data usually involves a roll up of other information (sums of child records) and you normally don't want to pull more data from the database than what you are actually using. ie. if you are only showing the name and email you probably don't want to grab the user name as that is just wasted cycles.
Now, putting information into a DB usually involves making sure that certain business logic is followed. For example that the username follows certain rules. In those situations leveraging an OOP style keeps things a bit more encapsulated and easily transferred between systems.
So, looking at the specific example: I wouldn't bother with more than handing a datatable to a repeater when pulling data; but I would have a user class for when I'm going to create a new one or operate on that user to make sure the business rules are properly followed.
One question: does the data need to be coupled with function/method calls? If not, OOP is not necessary.
Your best approach might be to find an empty whiteboard, create a high level model using Object Oriented Design, then with Functional Design, then with Procedural. You might surprise yourself (and others) with the results. The same language can be used in vastly different ways depending on the project. As mentioned by #wj. OOP is just a paradigm, don't be afraid to step outside of your comfort zone and design using a different paradigm.
Taking time to design using different paradigms will also help you when you approach your boss to discuss why you should or should not use the current paradigm. Most bosses will appreciate that you spent the time to research before approaching them with an idea -- this isn't to say they'll accept your idea, but being knowledgable going in will potentially get you a few extra minutes of his/her attention.
IMHO (don't take this personally), "Object Oriented Programming" has fallen with the likes of "Web 2.0" -- a buzzword of sorts, which is unfortunate; you now see developers forcing OOP where it would be better suited to use FP or PP.
The best professional advice I can give is to design (high level at first, then dive down) in multiple paradigms (do your best not to be biased -- keep an open mind) and decide which one best addresses the way your application works. In my 15 years experience, 75+% of the time I find OOP to be unnecessary, although my current project is strictly OOP.
A more important/relevant question would be, "Does Object Oriented Design have a place in my current web development?"
Although objects make it easier for some programmers to develop, I've read the perfect example of how to build an entire website without OOP. Not once ounce. Check out the last page in a 20 page series entitled Clean PHP:
http://okmaya.com/clean-php/clean-php-step-20/
Super easy to follow, clean way of building an entire website. No confusing OOP, no super nested folder, no crazy spaghetti code to follow for hours... Just simple, clean, and well laid out functions that do EVERYTHING you need, without the use of OOP. And this example has everything from login/registration credentials, an admin section (CMS), even database fixtures to get you started, a search function that uses mapquest API to do zip code / lat-long lookups... I mean it has EVERYTHING for a core project, or website.
Why bother with OOP? Clean, and properly structured procedural code is great!
On the topic of OOP. I remember another fad that everyone thought it was cool, and everyone did it, but then found out that smoking gave you a whole bunch of problems.
Stick to the simple, stick to what you know. Be an expert in PHP and you never have to depend on a framework again. Don't get me started with OOP MVC Frameworks. Interpreted languages for the web were never meant to be OOP. OOP just adds another layer of complexity. Stop being lazy. Use your PHP, and learn how to freakin program!
On the other hand, I can see how making games on a console can be difficult without OOP. But then again, it's apples an oranges. Console games keep their objects in memory until the game exits, or object is destroyed from within game. Think about it... Why do they have a loading bar in front of every level? Now, imagine a web page that has to show you a loading bar every time it loads because it has to create objects from a database. SLLOOOOOOWWWWW central! And once you navigate away from this page, you have to start all over again.
Web pages are applications within themselves. It's like rebuilding your drag racer each time you go to the starting line, only to take it apart at the finish line. WTFridge? Seriously? Hey, super geniuses who think OOP is sooo cool... Keep your damn OOP out of my websites!
Just saying, this is from my 10+ years experience with web development, you know when we used to code pages in HTML, one by one?
OOP is nothing more than a programming paradigm !! but his importance is that hi is THE actual paradigm in use implying that all modern knowledge and best practices in software engineering will be expressed following this style of programming ...
A good example in your case (web development) is the Core J2EE Patterns.
(source: sun.com)
Of course it does. You (and more so your boss) say "rebuilding" like it's a huge chore.
What you mean by "rebuilding" is running the program. Tell your boss that OOP in general is stupid because even in a desktop environment every time somebody runs a piece of software the objects need to be rebuilt so it's not even worth it.
Boss's comment is useless. The .net framework consists of objects and nothing else. A "response" is an object, even in "classic ASP" - why would people have implemented it if that were resource ineffective?
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I have noticed I do not code as much as I use to. Today I dedicate more time to analysis and design, then I communicate that design to programmers. Then they do the coding. This has affected my coding productivity, because I must consult references and rely on intellisense. Things are becoming more complex everyday
Now, here is the irony. If I were to hire a programmer and ask him/her to sit in front of a computer, I may ask to do some coding and I would check abilities. I would evaluate them based on their use of memory vs. consulting references. Maybe I will prefer that programmer who did not consult too much, but who knows what they are doing.
What is your opinion and experience?
I would say that a developer who knows how to find the answers is better than one who has an overall good knowledge already. I find that intellisense is a good tool for finding answers, besides it is too much to remember all method names, arguments, overloads, etc.
I use memory to get me into the right general area (e.g. knowing which classes to use or at least which namespace they'll be in) and then often Intellisense/MSDN for the exact method name or arguments to use.
Having said that, Stack Overflow is improving my ability to code without any references (or even compilation) - I'm sure code will just work out of the box for me more often now than it used to. (I tend to post and then check the code works, add links to MSDN etc - assuming I'm reasonably confident in the approach.)
Someone knowing what resources are available, and how to find the answers, and how to effectively debug - these are qualities I look for now in prospective employees.
I used to consult my memory only, but two things have happened:
Class libraries have gotten larger, so has the number of languages available
The ratio of programming-related memory to personal-life-related memory has shifted away from code
Programming today is also eight times harder than it was when I started. I used to work on 8-bit machines, now I'm working on 64-bit ones. :)
I once was at a job interviewed with the CTO of a company. He asked a question based on a real life problem the company had a while back and solved. It was a multi step problem.
I was standing in front of a whiteboard working through my solution and struggling through a particular part, a part I would use google for before even attempting it, had I been tasked with solving this problem for real instead of for an interview. He asked me at that point, "would you do anything different if this wasn't an interview question." I responded, "Yes. I would exhaust all possibilities of using a third party component for this part of the task and look up the solution, because it is a well defined problem thats been solved several times." There was a bit more discussion where I justified my answer, explained exactly what I would research, and I solved some other parts of the question. In the end I was offered and accepted the job, partly because of knowing how to find out what I didn't know.
Being able to use references is as important as being able to code from memory. Obviously, if you are a one language shop, and want people proficient in that language,the person should be able to write a complete hello world app in notepad. Interview problems should focus on small problems, and one should not worry about small syntax errors. This is why a whiteboard is the best IDE for interview questions.
Unless you demand all your coders use notepad and don't give them internet access, don't be as concerned by the syntax. If you do sit them down in front of a computer, worry about the finished product as well as the technique used to get there.
I'm a PHP programmer in my early 30's. I rely on PHP's excellent documentation, for several reasons:
Programming concepts don't change. If I know what my object models are and how I want to manipulate data, then there's dozens of ways to implement the details. The details are important, but a better grasp of the design and structure is more important
PHP has notoriously inconsistent functions. One string function might use ($needle,$haystack) as parameters, and another might use ($haystack,$needle). Trying to keep them straight isn't worth the hassle when you can just type php.net/function_name and get the reference.
I don't rely on intellisense, simply because I haven't found a decent IDE for PHP that does it well. Eclipse is ok, but it's not fantastic. Netbeans gives me 'PHPDoc not found' for all the built-in PHP functions whenever I install it. There's nothing that I've found so far that beats out the documentation.
The bottom line is that the ability to memorize functions isn't indicative of coding ability. Obviously there's a key set of basic functions that a good programmer will know just from extensive usage over time, but I wouldn't base a hiring decision on whether someone knows substr_replace vs. str_replace from memory.
Because I've read either the documentation, or articles, or a book on a subject, the things I learn on a topic are organized. The result is that, if I can't bring something up from memory, I can probably find it quickly through IntelliSense or the Object Browser.
Worse come to worst, I can pick up the book again; something these youngsters are not being taught to do.
John Saunders
Age 51
Pretty much Google + Old Projects + my memory (of course)
References will not solve your problems though, its only for the nuts and bolts, the higher level of problem solving is the actual "programming" part IMHO.
I tend to use Intellisense and Resharper much more than I used to before, but this has helped my overall productivity. If I can get the idea of how I want to solve something and then use tools to get the more boring parts like class names and function signatures, why shouldn't I use the tools I have? I feel relieved that Jon Skeet has a similar approach it seems.
I rely on my bookmarks and books... and my ability to use them effectively. I have multiple books above my desk, including a copy of the ISO C90 standard. Moreover, I use Xmarks to have access to my bookmarks wherever I go. Sometimes, I make a pdf out of a particular page and upload it to my web-site if it is important enough.
Sometimes the information provided by the resources I use makes its way into my terrible memory... maybe.
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What would you suggest for the following scenario:
A dozen of developers need to build and design a complex system. This design needs to be documented for future developers and the design decisions must be noted. These reports need to be made about every two months. My question is how this project should be documented.
I see two possibilities. Each developer writes about the things they helped design and integrate and then one person combines each of these documents together. The final document will probably be incoherent or redundant at times since the person tasked of assembling everything won't have much time to adjust every part.
Assume that the documentation parts from each developer arrive just a few days before deadline. A collaborative system (i.e. wiki) wouldn’t work properly since there wouldn’t be anything to read until a few days before deadline.
Or should a few people (2-3) be tasked with writing the documentation while the rest of the team works on actually developing the system? The developers would need a way to transfer their design choices and conclusions to the technical writers. How could this be done efficiently?
We approach this from 2 sides, using a RUP style approach. In the first case, you'll have a domain expert who is responsible for roughing out the design of what you're going to deliver - with developers chipping in as necessary. In the second case, we use a technical author - they document the application, so they should have a good idea of how it hangs together, and you involve them right through the design and development process. In this case, they can help to polish the design, and to make sure that it matches what they thought was being developed.
We use confluence (atlassian's wiki-like-thing) and document all kinds of different "things". The developers do it continiously, and we push each other for docs - we let peer pressure decide what is necessary. Whenever someone new comes along he/she is tasked with reading through everything and to find out what still is correct. The incorrect stuff is either deleted or updated as a consequence of this. We're happy when we can delete stuff ;)
The nice thing about this process is that the relevant stuff stays and the irrelevant stuff is deleted. We always "got away" from the more formalized demands by claiming that we could always construct the word documents they wanted if "they" needed them. "They" never needed them.
I think alternative 2 is the less agile, because it means a new stage to the project (although it may be in parallel with tests).
If you are in an agile model, then just add documentation (following a guideline) as a story.
If you are in a staged approach, then I would nevertheless ask developers to work on documentation, following some guidelines, and review that documentation along the design and the code. Eventually, you may have a technical writer reviewing everything for proper English, but that would be a kind of "release" activity.
I think you can use Sand Castle to document your project.
Check it out
Sand Castle from Microsoft
It's not a complete documentation, but making sure that interfaces etc. are commented using Doxygen-style comments means writing code and documenting it are closer together.
That way, developers should document what they do. I still think a review by the architect(s) is needed to ensure consistent quality, but ensuring people document what they do is the best way to ensure they follow the architecture.
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Definition:
CRUD - Create, Read, Update, Delete; The four basic functions of persistent storage. In the context of this question, specifically related to business applications.
I'll be honest, my goal when I began programming did not include being a lifetime CRUD programmer. Financial data is only so interesting for so long. And to me, that seems like the majority of programming gigs.
I'm still fairly fresh out of school, so any experience is still very beneficial, but eventually I want to move to something "less CRUD like." Currently, I have my eye on some machine control type work. However, I'm just not sure how to go in that direction.
So I want to get a feel for what other developers think about the topic.
Do you enjoy CRUD and why?
What have your experiences in CRUD been like?
How did you move from CRUD to non-CRUD work?
If you've moved, what do you like and hate?
If you've moved, what skills benefited/hastened the transition?
Edit:
I'm approaching CRUD with the attitude that I want to solve problems, not re-create the same form with different fields for a dozen different tables.
I don't think that there's really anyone who enjoys doing CRUD (well at least anyone sane). It's the most tedious part of web programming. My advice is to find or write a framework to automate this for you.
evolutility
django admin panel and django forms
However, if that's the majority of your work, you definitely should consider changing jobs.
Get a different job. Seriously, not all software development is developing business applications. Developing shipping software would make you much happier, I think. Try to find a job at a software company, and write some stuff that's going to ship to customers. Also, if you want to get into some of the low level hardware-style stuff, just start hacking away on some basic microcontrollers so you have at least some background with that.
Develop a framework to make CRUD creation easy in your line of work. Once you have done that, use the free time to improve it in terms of Usability, Security, Performance etc. That should keep your work interesting for a while.
I agree that CRUD's pretty boring. But I don't think it's the fact that it's financial data that makes it so. Perhaps you'd find that financial data a lot more interesting if, for example, it was streaming into a neural net based expert system you'd written to work out how best to invest it?
There's definitely an awful lot more to programming than CRUD. Find an aspect that interests you, and pursue it.
I am curious that no one mention task-based UI and CQRS here.
In fact, to answer your questions :
I don't enjoy CRUD...why ? see the following answers to your question
My experience of CRUD is that's a pain to write CRUD (full stack frameworks are a workaround at best I think), and often a pain for users as well
I move to non-CRUD work when I understand that building software is about giving a powerful tool for users, not a database editor with some business rules
I like to build software less coupled to full stack framework (Symfony2, ASP.NET & cie...), more fully object oriented, but I am more and more annoyed by RDBMS CRUD orientation, and more and more attracted by EventStore (Event Sourcing)
Let's get inspired by task based UI, CQRS and Event Sourcing (search Google, I do not have enough reputation to add more links...) => all together
However, I would like to be less opinionated to finish : there are some points that will not let you get out of CRUD. Some users love CRUD, they feel like in Excel...and also there are probably some applications for which CRUD fulfill all the needs...
CRUD - yes in the end we are storing, reading and updating data. But so what? That is just one part of the equation, at least in my world.
In business, data is essential, but it is the business logic and the decisions made from that data that is important. I have found it very rewarding to take raw data and use it to help business make decisions. We do that with business logic in our code, not to mention the endless ways of presenting that data in the presentation layer.
Yes in the end CRUD is involved, but it is much more than that, no?
Just my opinion.
Having a wide range of experience, my solution is to create my perfect product and start a business around it. I'm facing all sorts of interesting challenges, such as how to stream realtime data from an embedded device to a browser. This stuff gets my programming juices flowing and I have a list of important, fun features to add.
Dream up your perfect product domain, find some people who could benefit and ask them what problems they have. Once you pick up a common theme that interests you (mine was automation and power monitoring) start hacking. Of course for me it helps that my father has run the electronics company Technman for the last 30 years, and wants to create this product with me.
First, have you gone through most of what there is to know about persistent storage? It's worth figuring out how to practically apply database theory, etc. in your current job. Once you've been doing it for a few years and have it all figured out you should definitely think about expanding your horizons. I'd agree with you - unless you're building the DBMS itself - I find that the persistent storage part of the job gets to be fairly boring.
One of the best ways to get a job in a new area is to take a prototype of something relevant to the job to demonstrate at an interview. This is an incredibly powerful statement to make.
Embedded software is really my thing, but the market for this is slowly shrinking in North America and moving to the developing world, and it's a fairly specialized area to get started in.
It seems to me that the application space is still growing. Consider iPhone, J2ME, or Windows Mobile development for example. You can learn to do these on your own with a relatively small investment in equipment.
If you're not already doing this, there's also the web application space. Application server platforms like JBOSS and Glassfish are free and fairly easy to learn. Plus they provide a link back to the CRUD which you already know.
Yes, a lot of business software is CRUD. I used to work on that.
In machine control, part of that can be CRUD too. For example, logging sensor data and reporting it somewhere. Basically CRUD.
But I will admit - in machine control, it's mostly non-CRUD. You would probably enjoy doing something that actually makes an assembly line move, or builds cars, or makes motors spin at a certain speed. I know I do. At a financial institution, it's literally just numbers. Nothing "real" like a motor or a car.
Just about every program is going to have to create, read, update and delete some sort of data. In some systems this presents its' own challenges.
However most of the time reading and writing to databases is fairly easy (which is why they make databases). It is what you do with the data once you have it which is interesting, and generally unique to a business, and keeps you employed.
This article I agree with, basically a lot of programming is boring.
However if you are good and determined enough you will eventually get to do something interesting.
Find or write a way to do the CRUD portions of the applications faster. Do so, tell your manager you are done with your assigned tasks (make sure they ARE done; tested, documented, etc.), and ask what you should do next.
Just take a look to Django and move on to the interesting coding!!!
(Or RoR, or Grails, or whichever suit best to you, but CRUDS shouldn't be still being coded by hand from scratch)
Modern frameworks can do all the crud for you. Checkout the standalone GORM from the GRAILS project.
When I was an undergraduate, I changed my major from Electrical Engineering to Computer Science because I wanted to write video games. Later on, when I started working on business applications for real money, I learned that I simply enjoy solving problems with code.
You may be in the wrong profession.
In this economy, it might be hard for you to just get another job, but that doesn't mean you shouldn't try. Find some type of work you think you would enjoy, go learn it and look for job opportunities. It doesn't hurt to make some phone calls and go on a few interviews even if you think you're unlikely to get the job. Even better, you could figure out a way to start your own company.
Get into web-dev? Seriously the level of basic crud I have to do building web-apps is pretty low, even when there's a DB.
For CRUD of windows FORM based applications developed in c# .net
RocketFramework is the answer
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I'm not a full-time software guy. In fact, in the last ten years, 90 % of my work was either on the hardware or doing low-level (embedded) code.
But the other 10% involves writing shell scripts for development tools, making kernel changes to add special features, and writing GUI applications for end-users.
The problem is that I find myself facing significant holes in my knowledge, often because it's been years since I've done "X", and I've either forgotten, or the environment has changed.
Every so often, there are threads on TheDailyWTF.com along the lines of "WTF: the guy spent all day writing tons of code, when he could have called foobar() in library baz". I've been there myself, because I don't remember much beyond the #include <stdio.h> stuff (for example), and my quick search somehow missed the right library.
What methods have you found effective to crash-learn and/or crash-refresh yourself in programming environments that you rarely touch?
Ask developers you know that work in the environment that you are interested in.
Search the web a lot.
Ask specific questions in relevant IRC channels (Freenode is great).
Ask specific questions on StackOverflow and other sites.
There really isn't any substitue for being "in the daily flow" of the programming environment in question. Having a good feel for the current state of the art is something you only get from experience, as I'm sure you can verify in you own areas of expertise.
i try to keep up with general news about languages i'm interested in but aren't necessarily using at the moment. being able to follow the general changes helps a lot for when you have to pick it up again.
beyond that, i personally find it easiest to grab an up to date reference book, and code a few basic things to get me used to the environment again, ie as a web programmer i'd make a simple crud app, or a quick web service/client.
For frameworks/APIs (such as a JavaScript framework or a widget library):
Quickly scan through the entire API documentation; get a glimpse of all that's out there instead of picking the first method that seems to fit your needs.
If available, glance at the source code of the
framework to see how the
API was intended to be used. Seeing what's behind the curtain helps. And also
some of the methods will have been used
internally, showcasing their true intents.
Don't necessarily always trust existing code (Googled, from co-workers, from books) since not everyone does the due diligence to find out the most proper way to use an API. Sometimes even samples in API documentation can be out-of-date.
In newer full-featured environments like Java, .NET, and Python, there are library solutions to almost every common problem. Don't think "how can I program this in plain C", but "which library solves this problem for me?" It's an attitude shift. As far as resources, the library documentation for the three environments I mentioned are all good.
The best solution I think is to get a book on the topic / environment you need to catch up on.
Ask questions from developers who you know who have the experience in that area.
You can also check out news groups (Google Groups makes this easy) and forums. You can ask questions, but even reading 10 minutes of the latest popular questions for a particular topic / environment will keep you a little bit "in the know".
The same thing can go for blogs too if you can find a focussed blog. These are pretty rare though and I personally don't look to blogs to keep me "in the know" on a particular environment. (I personally find blogs most popular and interesting in the "here's something neat" or "here's how I failed and you can avoid it" or "general practice" areas.)
In addition to the answers above, I think what you are asking for will take a significant amount of your time, and you must be willing to spend that time to achieve your goals. My method would be pretty much the same as Owen's answer; get a reference book or tutorial and work through the examples hacking in changes as you go to experiment with how any given thing works. I'd say as a bare minimum, allocate a hour to do this every other day, in a time that you know you won't be interrupted. Any less, and you'll probably continue to struggle.
The best way to crash-learn is simple, simply do it, use google to search for X tutorial, open your favorite browser and start typing away. Once you reached a certain level of feeling with X, do look at other people things, there is lots of open source out there and there must be someboby who has used X before, look at how they solved certain problems and learn from this, this is an easy way to verify that you are 'on the right track' or that you're doing things or thinking in patterns that other people would define as 'common sense'.
Crash-refreshing something is much easier since you have a suspended learning curve already, the way I do this is to keep some of the example you did while writing or keep some projects you did. Then you can easily refresh and use your own examples.
The library issue you mention here well, only improving your search skills will improve that one (although looking on how others solved this will help as well)
Don't try and pick up every environment.
Focus on the one that's useful and/or interesting, and then pick a few quality blogs to regularly read or podcasts to listen to. You'll pick up the current state of the environment fairly quickly.
Concrete example: I've been out of the Java world for a long time, but I've been put on a Java project in the last few months. Since then I've listened to the Java Posse podcast and read a few blogs, and although I'm far from a Java guru I've got back up to speed without too much trouble.
Just a though. While we are working on our code we know that we need to work very hard to optimize the critical path, but on non critical path we usually don't spend to much effort to optimize.
From your description you are working 90% on embedded and 10% on rest, lets assume that in 50% of the rest you are spending more time that needed. So according to my calculation you are optimizing about 5% of your work flow ...
Of course the usual google/SO/forums search is useful before you doing something new, but investing more than just that is waste of time for my opinion, unless you want to waste some time just for fun or general education ... :), but this is another story.
By the way I'm in same position and last time i needed some GUI and used MFC (because i used it sometimes 10 years ago :) ) and i perfectly understand that i probably will get better results with C# and friends, but the learning curve just not justify this especially knowing that i need mix the C code with GUI.