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Generate random string/characters in JavaScript
I want a 5 character string composed of characters picked randomly from the set [a-zA-Z0-9] .
77 Answers
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Draw text in OpenGL ES
I'm currently developing a small OpenGL game for the Android platform and I wonder if there's an easy way to render text on top of the rendered frame (like a HUD with the player´s score etc). The text would need to use a custom font also.
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java.lang.OutOfMemoryError: bitmap size exceeds VM budget - Android
I developed an application that uses lots of images on Android.
13 Answers
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How to use background thread in swift?
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How to append one file to another in Linux from the shell?
I have two files: file1 and file2 . How do I append the contents of file2 to file1 so that contents of file1 persist the process?
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Bash function to find newest file matching pattern
In Bash, I would like to create a function that returns the filename of the newest file that matches a certain pattern. For example, I have a directory of files like:
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Cannot ping AWS EC2 instance
I have an EC2 instance running in AWS. When I try to ping from my local box it is not available.
25 Answers
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Geometric Mean: is there a built-in?
I tried to find a built-in for geometric mean but couldn't.
9 Answers
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How to remove the querystring and get only the url?
Im using PHP to build the URL of the current page. Sometimes, URLs in the form of
16 Answers
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How do I use Java to read from a file that is actively being written to?
I have an application that writes information to file. This information is used post-execution to determine pass/failure/correctness of the application. I'd like to be able to read the file as it is being written so that I can do these pass/failure/correctness checks in real time.
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