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In JavaScript, why is “0” equal to false, but when tested by 'if' it is not false by itself?
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253
The reason is because when you explicitly do "0" == false, both sides are being converted to nu...
Is there an equivalent for the Zip function in Clojure Core or Contrib?
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(map vector '(1 2 3) '(4 5 6))
does what you want:
=> ([1 4] [2 5] [3 6])
Haskell needs a collection of zipWith (zipWith3, zipWith4, ...) functions, because they all need to be of a specific type; in particular, the number of input lists they...
Is there a printf converter to print in binary format?
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52 Answers
52
Active
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Trim a string based on the string length
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edited Nov 12 '18 at 5:30
answered Dec 14 '11 at 5:16
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Lost connection to MySQL server at 'reading initial communication packet', system error: 0
...ean localhost?
– oneofakind
Apr 6 '15 at 1:56
6
@oneofakind He means to connect to 'localhost" in...
How to align a to the middle (horizontally/width) of the page [duplicate]
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1125
<body>
<div style="width:800px; margin:0 auto;">
centered content
&l...
Simple way to calculate median with MySQL
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answered Aug 31 '11 at 21:53
velcrowvelcrow
5,67644 gold badges2525 silver badges2121 bronze badges
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How do I style a dropdown with only CSS?
...idth:0\0) {
select {
background-image:none\9;
padding: 5px\9;
}
}
All together:
select {
margin: 50px;
width: 150px;
padding: 5px 35px 5px 5px;
font-size: 16px;
border: 1px solid #CCC;
height: 34px;
-webkit-appearance: none;
-moz-appearance: none;
appea...
pythonic way to do something N times without an index variable?
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15
@Hamish: My test with 2.6 says 32% faster (23.2 us vs 17.6 us for N=1000). But that is a really time time anyways. I would default to the OP...
Replace multiple characters in one replace call
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525
Use the OR operator (|):
var str = '#this #is__ __#a test###__';
str.replace(/#|_/g,''); // r...