HTML5 classList API

	myDiv.classList.add('myCssClass');
	myDiv.classList.remove('myCssClass');
	myDiv.classList.toggle('myCssClass'); //now it's added
	myDiv.classList.toggle('myCssClass'); //now it's removed
	myDiv.classList.contains('myCssClass'); //returns true or false

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HTML5 classList API

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Generate Fake Files (產生自訂大小假檔案)

	fsutil file createnew 1MB.txt 1048576
	fsutil file createnew 5MB.txt 5242880
	fsutil file createnew 10MB.txt 10485760
	fsutil file createnew 20MB.txt 20971520
	fsutil file createnew 40MB.txt 41943040

view raw FakeFile.bat hosted with ❤ by GitHub

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使用fsutil file createnew快速產生虛胖檔案 - Level Up- 點部落 散人的備忘錄: 在 Windows 產生大檔案

Check Date (判斷日期有效性)

	function IsDate(strDate) {
	var eachNum = /(\d{4})\/(\d{2})\/(\d{2})/.exec(strDate);
	var year = parseInt(eachNum[1], 10);
	var month = parseInt(eachNum[2], 10) - 1;
	var day = parseInt(eachNum[3], 10);
	var d = new Date(year, month, day);
	return !(d.getFullYear() !== year || d.getMonth() !== month || d.getDate() !== day)
	}
	console.log(IsDate('2011/02/30')); //false
	console.log(IsDate('2012/02/29')); //true
	console.log(IsDate('2013/02/29')); //false

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Check date in JavaScript - Stack Overflow

Eventquery.vbs (指令查詢Event Log)

查詢MSSQLSERVER最新一筆錯誤記錄 C:\WINDOWS\system32>cscript eventquery.vbs /L Application /FO table /FI "Type eq Error" /FI "Source eq MSSQLSERVER" /r 1

	REM Get today's date
	set today=
	set month=%date:~5,2%
	set day=%date:~8,2%
	set year=%date:~0,4%
	REM Start query at midnight
	set today=%month%/%day%/%year%,12:00:00AM
	echo %today%
	C:
	CD C:\WINDOWS\system32\
	cscript eventquery.vbs /L Application /FO table /FI "Type eq Error" /FI "Datetime gt %today%" /r 10
	cscript eventquery.vbs /L SYSTEM /FO table /FI "Type eq Error" /FI "Datetime gt %today%" /r 10

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Eventquery.vbs Yay! A fix for EventQuery - Windows Security Logging and Other Esoterica - Site Home - MSDN Blogs

Using Transaction in VB.net

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