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Java 256-bit AES Password-Based Encryption

I need to implement 256 bit AES encryption, but all the examples I have found online use a "KeyGenerator" to generate a 256 bit key, but I would like to use my own passkey. How can I create my own key? I have tried padding it out to 256 bits, but then I get an error saying that the key is too long. ...
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How do I fix blurry text in my HTML5 canvas?

... and text. In my app, I have a view adapter that creates a canvas dynamically, and fills it with content. This works really nicely, except that my text is rendered very fuzzy/blurry/stretched. I have seen a lot of other posts on why defining the width and height in CSS will cause this issue,...
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How do I use brew installed Python as the default Python?

... to Homebrew (after using fink and macport) on Mac OS X 10.6.2. I have installed python 2.7 with 19 Answers ...
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Android Studio Gradle Configuration with name 'default' not found

... ./gradlew tasks --info this will show the information of all the tasks. I think this would be helpful to find out what is going wrong. – srain Jun 7 '15 at 6:01 ...
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What is the AppDelegate for and how do I know when to use it?

... I normally avoid the design approach implied by Andrew's use of the term "heart of your application". What I mean by this is that I think you should avoid lumping too many things in a central location -- good program design normall...
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Using OpenGl with C#? [closed]

... I don't think these functions are very representative, because they are all deprecated and removed from the OpenGl core profile. – Arne Apr 23 '13 at 16:55 6 ...
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How to remove the focus from a TextBox in WinForms?

...seems you cannot focus on a form for some reason. – Callum Rogers Jul 16 '09 at 21:05 7 Container...
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Bootstrap 3 breakpoints and media queries

... Bootstrap 4 Media Queries // Extra small devices (portrait phones, less than 576px) // No media query since this is the default in Bootstrap // Small devices (landscape phones, 576px and up) @media (min-width: 576px) { ... } // Medium devices (tablets, 768px a...
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Deep null checking, is there a better way?

...'d say cake?.frosting?.berries?.loader and the compiler would generate all the short-circuiting checks for you. It didn't make the bar for C# 4. Perhaps for a hypothetical future version of the language. Update (2014): The ?. operator is now planned for the next Roslyn compiler release. Note ...
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Using CMake, how do I get verbose output from CTest?

... which is using the Boost unit testing framework. This one binary contains all of the unit tests. I've added that binary to be run by CTest: ...