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Singleton pattern in nodejs - is it needed?
...n and simple.
https://nodejs.org/api/modules.html#modules_caching
(v 6.3.1)
Caching
Modules are cached after the first time they are loaded. This means
(among other things) that every call to require('foo') will get
exactly the same object returned, if it would resolve to the same
f...
Javascript - How to extract filename from a file input control
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14 Answers
14
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How to convert array values to lowercase in PHP?
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10 Answers
10
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Can I change the fill color of an svg path with CSS?
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answered Mar 2 '12 at 7:17
Nicholas RileyNicholas Riley
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How to retrieve an element from a set without removing it?
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12 Answers
12
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Plot a bar using matplotlib using a dictionary
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154
You can do it in two lines by first plotting the bar chart and then setting the appropriate ti...
Java how to replace 2 or more spaces with single space in string and delete leading and trailing spa
...an do:
String[] tests = {
" x ", // [x]
" 1 2 3 ", // [1 2 3]
"", // []
" ", // []
};
for (String test : tests) {
System.out.format("[%s]%n",
test.replaceAll("^ +| +$|( )+", "$1")
);...
How to set a stroke-width:1 on only certain sides of SVG shapes?
Setting a stroke-width: 1 on a <rect> element in SVG places a stroke on every side of the rectangle.
3 Answers
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