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I have realized that most of the problems that I solve on a day to day basis are done via two programming techniques: iteration or recursion.
Are there other techniques out there? Any book recommendations or online references?
the programming techniques that you use to solve the problems can be divided into types of algorithms (not into the loop or technique they use in there program, like you mentioned). some of the methods are..
1. Divide and conquer
2. greedy
3. dynamic programming
you can refer this link to read more..
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For the last couple of weeks i'v been trying to replicate the method in which Id Technologies used to hide hidden messages inside their own songs. For reference: https://youtu.be/yzFit0nldf4 .
I'm not sure if this was made by solely a software or a very smart use of heavy musical instruments, but that's what im trying to find out.
Using softwares like coagula might do a similar thing, but the brilliancy was how the coded sound was hidden. If you attempt to hear rendedered output it would sound obvious and aweful...
So, my question is: does anyone know how they did it?
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I'm looking for some guidance here. I primarily am a frontend developer. What I am trying to figure out is how an algorithm can be implemented to count kernels on an ear of corn.
From my initial research it seems there are a couple of different directions to go. Main ones I have seen are a SIRF type of implementation and others call for conversion to the HSV color space or LAB color space in order to then to normalizations and then counting.
For reference usually the corn that will be counted is "dent" corn. Here is an example:
This will be implemented in VB.net, but I can always translate the algorithm if needed.
Thank you for your help!
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Can anyone articulate what the key differences are between SAS and SQL? I haven't worked much with SAS but went on a weeks training course, and basically it seemed like the equivalent but more convoluted and was able to do graphs.
Would appreciate some key bullet differences between them.
Standard SQL is a language to query, manipulate and define data in any(!) database. It is like the "latin language" of DB systems. Everyone knows it in order to perform standard tasks. SAS is like an extension to that with many functions.
I found a good document:
http://www.sascommunity.org/mwiki/images/5/52/CMSSUG-0506-SQL.pdf
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I would like to know if there is any problem or any sort of combinations that can not be solved using SQL language.
Is there any list in the web where I can find situations that are impossible to measure using SQL?
Or is everything possible to calculate using SQL.
Thank you.
SQL is pretty flexible, but it can't do everything. However there is no handy guide that I know of that lists what it can't do. There are things that I think you can do but shouldn't: anything that involves doing calculations one row at a time are very inefficient and will generally be faster if done in code.
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I'd love to know/see some example code from the lowest level. By this I mean the code that for example, sets the voltage to the speakers, or something equivalent. I can't imagine how this would look/work.
How could a piece of code possibly set/change a physical quantity? I'm not looking for some driver code, but the actual code that makes hardware 'work', or does it work in a different way?
Math, Luck and Magic
Read up on Computer Organization and Computer Architecture and also Hardware Description Languages.