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Lua简明教程 - 脚本技术 - 清泛IT论坛，有思想、有深度
...个实例：Window_Prototype = {x=0, y=0, width=100, height=100}
MyWin = {title="Hello"}
setmetatable(MyWin, {__index = Window_Prototype})复制代码
于是：MyWin中就可以访问x, y, width, height的东东了。（注：当表要索引一个值时如table[key], Lua会首先在table...
How can I get the corresponding table header (th) from a table cell (td)?
...
Pure JavaScript's solution:
var index = Array.prototype.indexOf.call(your_td.parentNode.children, your_td)
var corresponding_th = document.querySelector('#your_table_id th:nth-child(' + (index+1) + ')')
...
How can I specify a [DllImport] path at runtime?
...
private delegate int MessageBoxDelegate(
IntPtr hwnd, string title, string message, int buttons);
/// <summary>
/// This is the dynamic P/Invoke alternative
/// </summary>
static private MessageBoxDelegate MessageBox;
/// <summary>
/// Examp...
How to create a cron job using Bash automatically without the interactive editor?
...r (crontab -e). If so, What would be the code create a cronjob from a Bash script?
20 Answers
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Using a .php file to generate a MySQL dump
... I would choose the second one, which doesn't return the output to the PHP script -- no need for the PHP script to get the whole SQL dump as a string : you only need it written to a file, and this can be done by the command itself.
That external command will :
be a call to mysqldump, with the ri...
Git Remote: Error: fatal: protocol error: bad line length character: Unab
... .bashrc that produces output. I, for example had this:
[[ -s "$HOME/.rvm/scripts/rvm" ]] && source "$HOME/.rvm/scripts/rvm"
rvm use ruby-1.9.3-p194@rails32
In this case the output from the rvm use will be (wrongly) interpreted as coming from git. So replace it by:
rvm use ruby-1.9.3-p19...
Insert a line at specific line number with sed or awk
I have a script file which I need to modify with another script to insert a text at the 8th line.
9 Answers
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Which Python memory profiler is recommended? [closed]
...
For my usecase - a simple image manipulation script, not a complex system, which happened to leave some cursors open - this was the best solution. Very simple to drop in and figure out what's going on, with minimal gunk added to your code. Perfect for quick fixes and pr...
How to check if character is a letter in Javascript?
I am extracting a character in a Javascript string with:
14 Answers
14
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Powershell v3 Invoke-WebRequest HTTPS error
...-needs-force-parameter-to-ignore-ssl-errors
Basically, in your PowerShell script:
add-type @"
using System.Net;
using System.Security.Cryptography.X509Certificates;
public class TrustAllCertsPolicy : ICertificatePolicy {
public bool CheckValidationResult(
ServicePoi...