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How to calculate the angle between a line and the horizontal axis?
...ative.
The sign of deltaY will tell you whether the sine described in step 4 is positive or negative.
The signs of deltaX and deltaY will tell you which quadrant the angle is in, in relation to the positive X axis at P1:
+deltaX, +deltaY: 0 to 90 degrees.
-deltaX, +deltaY: 90 to 180 degrees.
-delt...
How to format strings in Java
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In addition to String.format, also take a look java.text.MessageFormat. The format less terse ...
How do I split a multi-line string into multiple lines?
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inputString.splitlines()
Will give you a list with each item, the splitlines() method is des...
json_decode to array
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edited Apr 23 '14 at 17:29
Francisco Corrales Morales
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Get the client IP address using PHP [duplicate]
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edited Feb 17 '16 at 7:46
Cheok Yan Cheng
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How to output git log with the first line only?
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answered Dec 20 '10 at 10:43
GauthierGauthier
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Are the shift operators () arithmetic or logical in C?
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edited Oct 9 '16 at 17:43
Bulat M.
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answered Aug 11 '08 at 9:18
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How To: Execute command line in C#, get STD OUT results
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534
// Start the child process.
Process p = new Process();
// Redirect the output stream of the ch...
Is inline assembly language slower than native C++ code?
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– Adriano Repetti
Mar 7 '12 at 15:41
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@ja72 - no, it's not better at writing code. It's bette...
An example of how to use getopts in bash
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#!/bin/bash
usage() { echo "Usage: $0 [-s <45|90>] [-p <string>]" 1>&2; exit...