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Set transparent background using ImageMagick and commandline prompt
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I am using ImageMagick 6.6.9-7 on Ubuntu 12.04.
What worked for me was the following:
convert...
Write bytes to file
I have a hexadecimal string (e.g 0CFE9E69271557822FE715A8B3E564BE ) and I want to write it to a file as bytes. For example,
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Removing double quotes from variables in batch file creates problems with CMD environment
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Stop execution of Ruby script
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Either abort or exit will help.
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How to check if click event is already bound - JQuery
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How to install gem from GitHub source?
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How to send a simple string between two programs using pipes?
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A regular pipe can only connect two related processes. It is created by a process and will va...
Is there XNOR (Logical biconditional) operator in C#?
... also that this doesn't generalize to bitwise operations, where you want 0x1234 XNOR 0x5678 == 0xFFFFBBB3 (assuming 32 bits). For that, you need to build up from other operations, like ~(A^B). (Note: ~, not !.)
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What are the differences between segment trees, interval trees, binary indexed trees and range trees
...count per index can be increased in O(logn) time
Higher dimensions (d>1):
Segment tree - O(n(logn)^d) preprocessing time, O(k+(logn)^d) query time, O(n(logn)^(d-1)) space
Interval tree - O(n logn) preprocessing time, O(k+(logn)^d) query time, O(n logn) space
Range tree - O(n(logn)^d) preproce...
What are the best practices for JavaScript error handling?
...ise JavaScript Error Handling can be found at http://www.devhands.com/2008/10/javascript-error-handling-and-general-best-practices/
In short it summarizes:
Assume your code will fail
Log errors to the server
You, not the browser, handle errors
Identify where errors might occur
Throw your own erro...