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What is a practical use for a closure in JavaScript?
...tion = function () {
alert('hello');
}
return {
publicfunction : function () {
privatefunction();
}
}
})();
As you can see there, a is now an object, with a method publicfunction ( a.publicfunction() ) which calls privatefunction, which only exists ...
1052: Column 'id' in field list is ambiguous
I have 2 tables. tbl_names and tbl_section which has both the id field in them. How do I go about selecting the id field, because I always get this error:
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How to edit log message already committed in Subversion?
Is there a way to edit the log message of a certain revision in Subversion? I accidentally wrote the wrong filename in my commit message which could be confusing later.
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How can I return two values from a function in Python?
I would like to return two values from a function in two separate variables.
For example:
8 Answers
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Advantages of std::for_each over for loop
...ach over for loop? To me, std::for_each only seems to hinder the readability of code. Why do then some coding standards recommend its use?
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Scala constructor overload?
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Jon McAuliffeJon McAuliffe
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How to get rspec-2 to give the full trace associated with a test failure?
...
You must run rspec with -b option to see full backtraces
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How can I convert ereg expressions to preg in PHP?
...e to know an easy way to convert the old expressions to PCRE (Perl Compatible Regular Expressions) (preg) .
4 Answers
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程序员之网络安全系列（五）：数字证书以及12306的证书问题 - 更多技术 - ...
...来说，就是指”Symantec Corporation”这个机构。
Not valid before, Not valid after (证书的有效期)
Public key (公钥)
这个我们在前面介绍公钥密码体制时介绍过，公钥是用来对消息进行加密的。
Subject (主题)
这个证书是发布给...
How do you create a Distinct query in HQL
Is there a way to create a Distinct query in HQL. Either by using the "distinct" keyword or some other method. I am not sure if distinct is a valid keywork for HQL, but I am looking for the HQL equivalent of the SQL keyword "distinct".
...