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Tracking the script execution time in PHP
...
function rutime($ru, $rus, $index) {
return ($ru["ru_$index.tv_sec"]*1000 + intval($ru["ru_$index.tv_usec"]/1000))
- ($rus["ru_$index.tv_sec"]*1000 + intval($rus["ru_$index.tv_usec"]/1000));
}
$ru = getrusage();
echo "This process used " . rutime($ru, $rustart, "utime") .
" ms for it...
How to add an object to an array
...ing into an array using Array.push().
var a=[], b={};
a.push(b);
// a[0] === b;
Extra information on Arrays
Add more than one item at a time
var x = ['a'];
x.push('b', 'c');
// x = ['a', 'b', 'c']
Add items to the beginning of an array
var x = ['c', 'd'];
x.unshift('a', 'b');
// x = ['...
What is the scope of variables in JavaScript?
...isible outside of the loop because var has function scope:
for(var x = 0; x < 5; ++x) {}
console.log(x) // 5 (note this is outside the loop!)
...because of this behavior, you need to be careful about closing over variables declared using var in loops. There is only one instance of varia...
How to draw a line in android
...erride
public void onDraw(Canvas canvas) {
canvas.drawLine(0, 0, 20, 20, paint);
canvas.drawLine(20, 0, 0, 20, paint);
}
}
The activity to start it:
StartDraw.java
import android.app.Activity;
import android.graphics.Color;
import android.os.Bundle;
public class...
Javascript Array of Functions
...hen you want to execute a given function in the array:
array_of_functions[0]('a string');
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Force LF eol in git repo and working copy
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edited Mar 13 '16 at 10:11
answered Apr 2 '12 at 14:05
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What is the most efficient way to loop through dataframes with pandas? [duplicate]
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10 Answers
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How to change string into QString?
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answered Nov 29 '09 at 0:00
Kamil SzotKamil Szot
14.7k66 gold badges5353 silver badges6262 bronze badges
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OpenSSH升级后不能登录的问题 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...g/?release=$releasever&arch=$basearch&repo=centosplus
gpgcheck=1
enabled=0
gpgkey=http://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-6
#contrib - packages by Centos Users
[contrib]
name=CentOS-$releasever - Contrib - mirrors.aliyun.com
failovermethod=priority
baseurl=http://mirrors.aliyu...