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Log to the base 2 in python
...s the natural logarithm (base e) of x.
In [25]: math.log(8,2)
Out[25]: 3.0
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Official way to ask jQuery wait for all images to load before executing something
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10 Answers
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How do I set $PATH such that `ssh user@host command` works?
...n:/usr/bin:/sbin:/bin:/usr/games). The remote machine is running Ubuntu 8.04.
6 Answers
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do N times (declarative syntax)
... here's a way to do call something() 1, 2 and 3 times respectively:
It's 2017, you may use ES6:
[1,2,3].forEach(i => Array(i).fill(i).forEach(_ => {
something()
}))
or in good old ES5:
[1,2,3].forEach(function(i) {
Array(i).fill(i).forEach(function() {
something()
})
}))
In bo...
Checking from shell script if a directory contains files
...ob # To include hidden files
files=(/some/dir/*)
if [ ${#files[@]} -gt 0 ]; then echo "huzzah"; fi
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How do I concatenate two strings in C?
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edited Jun 22 '18 at 9:00
Gaurang Tandon
5,39799 gold badges3333 silver badges6868 bronze badges
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Remove portion of a string after a certain character
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301
$variable = substr($variable, 0, strpos($variable, "By"));
In plain english: Give me the par...
C++应用程序添加VBScript和JavaScript支持 - C/C++ - 清泛网移动版 - 专注C/C++及内核技术
...tParam(aParam)
{
var strPresent = "Parameter is : " + (aParam.length>0 ? "Present": "Not present");
return strPresent;
}
The same technique may be used in VBScript. This allows you to detect variable length argument at run time. To call a function without argument, a SAFERRAY is creat...
Regex replace uppercase with lowercase letters
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edited Jun 12 '18 at 15:10
answered Dec 23 '13 at 11:09
Al...
Batch script loop
I need to execute a command 100-200 times, and so far my research indicates that I would either have to copy/paste 100 copies of this command, OR use a for loop, but the for loop expects a list of items, hence I would need 200 files to operate on, or a list of 200 items, defeating the point.
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