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Difference between objectForKey and valueForKey?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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force client disconnect from server with socket.io and nodejs
...dited Sep 12 '12 at 15:12
system64
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answered Mar 29 '12 at 6:18
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程序员之网络安全系列（二）：如何安全保存用户密码及哈希算法 - 更多技术 ...
...2.3 :006 > puts Digest::MD5.hexdigest('I love you !')
b2c63c3ca6019cff3bad64fcfa807361
=> nil
2.2.3 :007 > puts Digest::MD5.hexdigest('I love you')
e4f58a805a6e1fd0f6bef58c86f9ceb3
=> nil
2.2.3 :008 >
那么我们在使用MD5保存密码时候的验证流程是什么呢？
用户注册...
Xcode doesn't show the line that causes a crash
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ADB Install Fails With INSTALL_FAILED_TEST_ONLY
...stall command: adb install -t -r package.apk
– marioc64
Nov 7 '17 at 13:06
no need to push the apk anymore adding -t w...
How do I create a nice-looking DMG for Mac OS X using command-line tools?
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There's also node-appdmg which looks like a more modern and active effort based on Node.js; check it out as well.
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Deleting an object in java?
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Your C++ is showing.
There is no delete in java, and all objects are created on the heap. The ...
How can I convert string to datetime with format specification in JavaScript?
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Samuel Liew♦
64.4k4040 gold badges132132 silver badges216216 bronze badges
answered Jan 24 '09 at 15:10
Rafael Mue...
How do I disable the resizable property of a textarea?
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The following CSS rule disables resizing behavior for textarea elements:
textarea {
resize:...
Scraping html tables into R data frames using the XML package
...ruguay 72 33 19 20 127 93 45.8%
4 Chile 64 45 12 7 147 53 70.3%
5 Peru 39 27 9 3 83 27 69.2%
6 Mexico 36 21 6 9 69 34 58.3%
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