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How does UTF-8 “variable-width encoding” work?
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Measuring code execution time
I want to know how much time a procedure/function/order takes to finish, for testing purposes.
7 Answers
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Find full path of the Python interpreter?
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How to list files in an android directory?
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In order to access the files, the permissions must be given in the manifest file.
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
Try this:
String path = Environment.getExternalStorageDirect...
What's the best/easiest GUI Library for Ruby? [closed]
...native widgets on the various platforms it supports: Windows, OS X, Linux, etc.) SWT always appealed to me as a Java developer, but coding it was painful in the extreme. Glimmer makes the process a lot more straightforward by emphasizing convention over configuration, and by valuing DRYness and all ...
How do I use regex in a SQLite query?
...ction named "regexp" is added at run-time, that function will be called in order to implement the REGEXP operator. (sqlite.org/lang_expr.html#regexp)
– radicand
Jan 7 '12 at 0:49
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Remove Item from ArrayList
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In this specific case, you should remove the elements in descending order. First index 5, then 3, then 1. This will remove the elements from the list without undesirable side effects.
for (int j = i.length-1; j >= 0; j--) {
list.remove(i[j]);
}
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How do I update a Python package?
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In order to work on an Ubuntu 18.04 venv adapt as follows: pip install $(pip list --outdated | tail +3 | grep -v sdist | awk '{ print $1 }') --upgrade
– Alexander Remesch
Feb 16 at 6:15
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How to map atan2() to degrees 0-360
...buse atan2()
According to the docs atan2 takes parameters y and x in that order. However if you reverse them you can do the following:
double radians = std::atan2(x, y);
double degrees = radians * 180 / M_PI;
if (radians < 0)
{
degrees += 360;
}
2) Use atan2() correctly and convert after...
Eclipse: enable assertions
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