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How to get distinct values from an array of objects in JavaScript?
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@zhuguowei perhaps, although there's nothing really wrong with sparse arrays - and I also assumed that age is a relatively small integer (<120 surely)
– Niet the Dark Absol
Jun 12 '17 at 14:56
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程序员才能听得懂的笑话 - 轻松一刻 - 清泛网 - 专注C/C++及内核技术
...； 5.你清下缓存试试； 6.重启下电脑试试； 7.你装的什么版本的类库（jdk） 8.这谁写的代码； 9.尼玛怎么还在用360安全浏览器；10.用户不会像你这么操作的。
44、早晨一女生抱着一堆书进了阅览室，结果警报响了，大妈让女生...
Take a full page screenshot with Firefox on the command-line
I'm running Firefox on a Xvfb in a VPS. What I want to do is to take a full page screenshot of the page.
6 Answers
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Delete all local changesets and revert to tree
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Note that you may have to first enable strip in your Mercurial settings.
PS: an even smarter approach is to use the revset language, and do:
% hg strip 'roots(outgoing())'
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How to check if the string is empty?
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PS: In the PEP's defense, one could argue that saying "x is false" (lowercase false) already means that, rather than meaning x == False. But IMHO the clarification is still welcome given the target audience.
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Database Design for Tagging
...elated subquery for each term). Also lots of good stuff in the comments.
ps - The approach that everyone is talking about here is referred to as the "Toxi" solution in the article.
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Removing input background colour for Chrome autocomplete?
...sheet shows :-internal-autofill-previewed and :-internal-autofill-selected pseudoclasses instead of -webkit-autofill... Mysteriously however, -webkit-autofill still works. I personally didn't need the !important.
– Andy
Apr 12 '19 at 6:48
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Is “else if” faster than “switch() case”? [duplicate]
...solution is to use polymorphism. Find the behavior that's changing and encapsulate it. I've had to deal with huge, ugly switch case code like this before and generally it's not that difficult to simplify. But oh so satisfying.
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Linux下部署企业级邮件服务器(postfix + dovecot + extmail) - 开源 & Gith...
...录下docs目录中的extmail.sql和init.sql建立数据库
由于extman版本较早，其sql脚本是针对mysql-5.0的，对于现在mysql-5.5的语法稍有不适用
因此编辑extmaul.sql 将“TYPE=MyISAM”全部改为“ENGINE=MyISAM”，修改之后使用该脚本建立数据库
mysql -...
Best JavaScript compressor [closed]
...ves simple expressions when this leads to smaller code (1+3*4 ==> 13)
PS: Oh, it can "beautify" as well. ;-)
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