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How to update a value, given a key in a hashmap?
Suppose we have a HashMap<String, Integer> in Java.
17 Answers
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Are PHP functions case sensitive?
I was digging through some code, and I found some calls to mySQL_fetch_array . Is PHP case sensitive about function names? I recall reading this somewhere but can't seem to find any reference to it.
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How to convert a Drawable to a Bitmap?
I would like to set a certain Drawable as the device's wallpaper, but all wallpaper functions accept Bitmap s only. I cannot use WallpaperManager because I'm pre 2.1.
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How do I add a placeholder on a CharField in Django?
Take this very simple form for example:
8 Answers
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Is there a format code shortcut for Visual Studio?
In Eclipse there is a shortcut, Ctrl + Shift + F , that re-indents code and fixes comments and blank lines. Is there an equivalent for Visual Studio 2010?
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Disable submit button when form invalid with AngularJS
I have my form like this:
6 Answers
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How do I rename all folders and files to lowercase on Linux?
I have to rename a complete folder tree recursively so that no uppercase letter appears anywhere (it's C++ source code, but that shouldn't matter).
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Is there any simple way to find out unused strings in Android project?
I have a huge Android project with many strings declared in strings.xml . I wanted to remove unused strings in strings.xml .
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What do the numbers in a version typically represent (i.e. v1.9.0.1)?
Maybe this is a silly question, but I've always assumed each number delineated by a period represented a single component of the software. If that's true, do they ever represent something different? I'd like to start assigning versions to the different builds of my software, but I'm not really sure...
How do I capture SIGINT in Python?
I'm working on a python script that starts several processes and database connections. Every now and then I want to kill the script with a Ctrl + C signal, and I'd like to do some cleanup.
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