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...是很恐怖的事情。据说12306的高峰访问是10亿PV，集中在早8点到10点，每秒PV在高峰时上千万。
多说几句：
库存是B2C的恶梦，库存管理相当的复杂。不信，你可以问问所有传统和电务零售业的企业，看看他们管理库存是多么...
Notepad++ Setting for Disabling Auto-open Previous Files
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jhurtadojhurtado
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Xcode 6 beta 2 issue exporting .ipa: “Your account already has a valid iOS distribution certificate”
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answered Aug 28 '14 at 14:19
AdnanAdnan
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Programmatically change the src of an img tag
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answered Jul 30 '12 at 13:18
MatthiasMatthias
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Is there a UIView resize event?
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98
As Uli commented below, the proper way to do it is override layoutSubviews and layout the imageV...
SecurityError: Blocked a frame with origin from accessing a cross-origin frame
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8 Answers
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How to display HTML tags as plain text [duplicate]
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DarmDarm
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Printing the correct number of decimal points with cout
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edited Jan 19 '16 at 18:14
ismail
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answered M...
How do you get a timestamp in JavaScript?
...to get the UTC timestamp in milliseconds; a notable exception to this is IE8 and earlier (see compatibility table).
You can easily make a shim for this, though:
if (!Date.now) {
Date.now = function() { return new Date().getTime(); }
}
To get the timestamp in seconds, you can use:
Math.floor...
How do I show my global Git configuration?
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1798
You can use:
git config --list
or look at your ~/.gitconfig file. The local configuration wil...