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CDN（内容分发网络）技术原理 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...建良好的互联网价值链是有价值的，也是不可或缺的。
3．CDN新应用和客户
目前的CDN服务主要应用于证券、金融保险、ISP、ICP、网上交易、门户网站、大中型公司、网络教学等领域。另外在行业专网、互联网中都可以用到，甚...
Replace a string in a file with nodejs
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314
You could use simple regex:
var result = fileAsString.replace(/string to be replaced/g, 'repl...
Using “Object.create” instead of “new”
Javascript 1.9.3 / ECMAScript 5 introduces Object.create , which Douglas Crockford amongst others has been advocating for a long time. How do I replace new in the code below with Object.create ?
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How are people unit testing with Entity Framework 6, should you bother?
...and your data can only come from your database for the second part.
Edit 13/10/2014
I did say that I'd probably revise this model over the upcoming months. While I largely stand by the approach I advocated above I've updated my testing mechanism slightly. I now tend to create the entities in in th...
How do I implement a callback in PHP?
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173
The manual uses the terms "callback" and "callable" interchangeably, however, "callback" traditi...
CALayers didn't get resized on its UIView's bounds change. Why?
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Lukas Würzburger
5,83566 gold badges3232 silver badges6464 bronze badges
answered Nov 4 '10 at 15:37
Chadwick WoodChadwic...
Subtract 7 days from current date
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113
use dateByAddingTimeInterval method:
NSDate *now = [NSDate date];
NSDate *sevenDaysAgo = [now d...
Unix command to find lines common in two files
...sorted.txt
– Fedir RYKHTIK
Jun 11 '13 at 15:54
46
While comm needs sorted files, you may take gre...
python: SyntaxError: EOL while scanning string literal
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234
You are not putting a " before the end of the line.
Use """ if you want to do this:
""" a ve...
ssh: connect to host github.com port 22: Connection timed out
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lantrix
35755 silver badges1616 bronze badges
answered Mar 23 '13 at 17:13
Vihari PiratlaVihari Piratla
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