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i'm new in objective-c and in apple development.
i need a help in how i can develop and design layout like the picture in the below link:
http://www.appcoda.com/wp-content/uploads/2012/04/Xcode-Folder.jpg
the idea is that there is a major category of pictures where the users of ipad app will click on the major picture and the sub window will opened below to show the sub image under that category.
each row should shown more than one item in the main category because of that i need to use UICollectionViewController.
i found one sample but they using tableview with only one item per row and below is the link:
https://github.com/cloudorz/lakai
anyone can help please.
I agree with Gabriele that this question is perhaps a little too broad for SO. But nevertheless I'd like to offer some advice: try JWFolder on GitHub: https://github.com/jwilling/JWFolders
It's pretty good for what you're after. Basically it takes a screenshot of the collection view before splitting it in half and sliding the bottom half down to reveal another view controller's view.
Look at the code, it's pretty clever how he does it. Cudos to Jonathan Wiling for coming up with it.
Come back to SO to ask specific questions if you have difficulty implementing a collection view using JWFolder. Good luck!
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Currently developing a UI using python and Pyqt5. The for some reason both the QDoubleSpinBox's have stopped working via the arrows. The value is editable when clicked in and manually deleted and reentered but the arrows will not respond.
I have plenty of iterations of this code saved and I have gone back and compare versions where the spin boxes still work. I have google searched just about everything I can think of and no one has had a similar issue I guess. So kudos to anyone who may be able to help. Included below is a screenshot of the UI and the portions of corresponding python script that reference the spin boxes which yes, is very large.
P.S. for sticklers,
yes I know the layout is unorganized and ugly, this is by no means a finished product.
UI screenshot
[1](https://i.stack.imgur.com/hdW9o.png)
[2](https://i.stack.imgur.com/xRmkW.png)
[3](https://i.stack.imgur.com/iCdAr.png)
[4](https://i.stack.imgur.com/B2Vuf.png)
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this is my first question here. I am trying to create an app for chart analysis in Objective-C.
Is there a good solution to show a stock chart in a view and at the same time be able to draw lines on this chart.
Just like in this picture shown: http://gb2007.deutsche-euroshop.de/des/annual/2007/gb//German/60/30/grafik_1_chartanalyse.gif
I am pretty new to programming and doing this exercise for a school project.
Feel free to present every solution i really need the right idea to succeed.
Seems like the "go to" solution (in other words, the one everyone runs to) is CorePlot, which you can find on GitHub at:
https://github.com/core-plot
And there's a RayWenderlich tutorial on stock charts with CorePlot, however his (or their) tutorials are more geared for iOS so you may have to do a bit of adjusting to make things work with MacOS. At least you'll be in the same neighborhood (using Objective-C, CorePlot, etc.).
I suspect any solution is going to be a bit "heavy" (or too much) for you to consider as a new programmer. Graphics & plotting within an app can be really intimidating, and you should try to get a couple other projects under your belt and in your portfolio first.
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I want to make a Mac app to view and edit several GB sized binary files.
How do I start off? :-(
I thought I should begin with a simple scrolling hex viewer, but stuck already.
I think NSTextView is not the way to go. Because I only need to draw 255 kind of two character pair over and over. Also need to manage huge text data.
1) can I use NSLayoutManager drawGlyphsForGlyphRange method?
2) is it possible with NSTextView and clever text management?
3) or something else?
It will be greatly helpful if I could consult samples or demos.
http://github.com/ridiculousfish/HexFiend/
Hex Fiend is an open source hex editor that can edit huge files (the website says it has been tested on a 118GB file).
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Last year I received two "Technical Support Incidents" in the iPhone developer program, but when I went to renew I found that I would lose them. I have another two for this year, but I'm not really sure about the kind of problems that can be solved by using them.
What kinds of questions are the best use of these Technical Support Incidents? What is the kind of problem I can use them for? What do you receive when you use them? Thanks.
Technical Support Incidents are for when you need code level support for a project you are working on. If your code is hanging up on certain pieces of hardware, or you need help diagnosing a bug in your system, then you can contact the Apple Engineers to help with the particular problem you are having and they will help to resolve the issue.
Notice this is different from a bug in Apple's systems, which is what the bug reporter is for. This is when you need help from Apple to track down a solution to a problem you are having in your code.
I have personally never used it, and with sites like SO, doubt I will unless I hit one of those one in a million edge cases where I code myself into a corner.
More information is on Apple's website.
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In SAP,
can we have a push button on custom container in ALV. Is it possible or is there any other possibilities for that.? Pls help me...
Thanks in advance
Well, I would rather use custom containers for things like tableviews. If you are working with the standard Dynpros you can just add a button in the dynpro designer and implement the behaviour you would like. To give a more detailled answer, I would need to know what you are planning to do. Of course you can also create a ALV grid and modify the buttons which are displayed there. Maybe you elaborate a little bit more what you're planning to do and then I can give you a recommendation.
Yes, this is possible - check out class CL_GUI_TOOLBAR and the associated documentation (like http://help.sap.com/printdocu/core/Print46c/de/data/pdf/BCCITOOLBAR/BCCITOOLBAR.pdf) and sample programs. AFAIR there's a demo program that lets you assemble a toolbar dynamically, I just don't remember the name. You'll usually want to insert some kind of splitter first, then add the toolbar to one side of the container so that you can place other elements like trees or tables next to it.