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What's the difference between isset() and array_key_exists()? [duplicate]
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123
Between array_key_exists and isset, though both are very fast [O(1)], isset is significantly f...
How to convert an int to string in C?
...o a string.
Here is an example:
int num = 321;
char snum[5];
// convert 123 to string [buf]
itoa(num, snum, 10);
// print our string
printf("%s\n", snum);
If you want to output your structure into a file there is no need to convert any value beforehand. You can just use the printf format spe...
Using CSS :before and :after pseudo-elements with inline CSS?
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123
You can't specify inline styles for pseudo-elements.
This is because pseudo-elements, like ps...
Haskell, Lisp, and verbosity [closed]
...:
almost anything you can do with macros you can do with a higher-order function (and I include monads, arrows, etc.), but it might require more thinking (but only the first time, and it's fun and you'll be a better programmer for it), and
the static system is sufficiently general that it never g...
How do I make a textbox that only accepts numbers?
...
And just because it's always more fun to do stuff in one line...
private void textBox1_KeyPress(object sender, KeyPressEventArgs e)
{
e.Handled = !char.IsDigit(e.KeyChar) && !char.IsControl(e.KeyChar);
}
NOTE: This DOES NOT prevent...
Convert string to title case with JavaScript
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123
Here's my version, IMO it's easy to understand and elegant too.
var str = "foo bar baz"
...
Is volatile expensive?
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
Create nice column output in python
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123
data = [['a', 'b', 'c'], ['aaaaaaaaaa', 'b', 'c'], ['a', 'bbbbbbbbbb', 'c']]
col_width = max(...
Format date and time in a Windows batch script
...: 20140.01_131612 , must be(2014.10.26_131612)
– waza123
Oct 26 '14 at 11:16
add a comment
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Android: I am unable to have ViewPager WRAP_CONTENT
...pec); call. Putting the extra super.onMeasure() call at the start of this function did the trick. Also check stackoverflow.com/questions/38492210/…
– southerton
Aug 17 '16 at 11:30
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