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Getting one value from a tuple
...are immutable - you can't set the elements of a tuple to different values, or add or remove elements like you can from a list. But other than that, in most situations, they work pretty much the same.
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How to randomly sort (scramble) an array in Ruby?
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And if you want to implement it yourself: en.wikipedia.org/wiki/Fisher-Yates_shuffle
– Joey
Nov 29 '09 at 18:52
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phpmyadmin logs out after 1440 secs
In my local development Ubuntu box I use MySQL and phpmyadmin to work with the database.
24 Answers
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Google Play on Android 4.0 emulator
How can I install the Google Play .apk onto my Android 4.0 emulator?
8 Answers
8
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How to remove duplicate white spaces in string using Java?
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Like this:
yourString = yourString.replaceAll("\\s+", " ");
For example
System.out.println("lorem ipsum dolor \n sit.".replaceAll("\\s+", " "));
outputs
lorem ipsum dolor sit.
What does that \s+ mean?
\s+ is a regular expression. \s matches a space, tab, new line, carriage ...
List all developers on a project in Git
...sers & emails, and the number of commits in the CURRENT branch:
git shortlog --summary --numbered --email
Or simply:
git shortlog -sne
To show users from all branches (not only the ones in the current branch) you have to add --all flag:
git shortlog -sne --all
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Git / Bower Errors: Exit Code # 128 & Failed connect
I am using Bower to install several libraries. For demonstration purposes here, I am installing bootstrap. Regardless of the package, I receive the following errors:
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java.lang.NoClassDefFoundError: Could not initialize class XXX
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My best bet is there is an issue here:
static {
//code for loading properties from file
}
It would appear some uncaught exception occurred and propagated up to the actual ClassLoader attempting to load the class. We would need a stacktrace to confirm this though.
Either that o...
PHP - Modify current object in foreach loop
... it is possible to edit the current object that's being handled within a foreach loop
2 Answers
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Why is SSE scalar sqrt(x) slower than rsqrt(x) * x?
I've been profiling some of our core math on an Intel Core Duo, and while looking at various approaches to square root I've noticed something odd: using the SSE scalar operations, it is faster to take a reciprocal square root and multiply it to get the sqrt, than it is to use the native sqrt opcode!...