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Django in / not in query
...e(); Tbl2.objects.filter(id__in=IDs') This did not work because IDs is actually a QuerySet object. When I deleted the rows it originated from, it no longer worked with other queries. The solution is Tbl2.objects.filter(id__in=list(IDs)) -- turn it into a list
– Dakusan
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Getting the path of the home directory in C#?
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sigintsigint
1,53911 gold badge1616 silver badges2626 bronze badges
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Preserving signatures of decorated functions
... decorator that does something very generic. For example, it might convert all arguments to a specific type, perform logging, implement memoization, etc.
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Why does the MongoDB Java driver use a random number generator in a conditional?
...k && Math.random() <= 0.1)
return res;
The commit that originally introduced this logic had
if (_ok == true) {
_logger.log( Level.WARNING , "Server seen down: " + _addr, e );
} else if (Math.random() < 0.1) {
_logger.log( Level.WARNING , "Server seen down: " + _addr );
}
—a...
What characters are valid for JavaScript variable names?
...ou an idea of how wrong Anthony Mills' answer is: if you were to summarize all these rules in a single ASCII-only regular expression for JavaScript, it would be 11,236 characters long. Here it is:
// ES5.1 / Unicode 6.1
/^(?!(?:do|if|in|for|let|new|try|var|case|else|enum|eval|false|null|this|true|v...
苹果Mac OS怎么关闭Fn键？ - 更多技术 - 清泛网 - 专注C/C++及内核技术
苹果Mac OS怎么关闭Fn键？
Mac 关闭Fn键
Mac OS del键如何向后删除？win下的del键在mac下的哪个键可以实现？ - 更多...
Mac OS del键如何向后删除？win下的del键在mac下的哪个键可以实现？苹果的delete键相当于windows的backspace，Fn+delete才相当于windows的delete。苹果的delete键相当于windows的backspace，Fn+delete才相当于windows的delete。Mac del键 向后删除
mac os下如何获得root权限？ - 更多技术 - 清泛网 - 专注C/C++及内核技术
mac os下如何获得root权限？操作步骤：1.打开实用工具 －> 终端2.键入sudo passwd root 然后提示你输入当前登录用户密码，通过以后，提示你输入两遍root的密码。...操作步骤：
1.打开实用工具 －> 终端
2.键入sudo passwd root 然后提示你...
Mac OS 修改文件默认打开方式 - 更多技术 - 清泛网 - 专注C/C++及内核技术
Mac OS 修改文件默认打开方式首先选中你要修改默认打开方式的文件，右键单击这个文件，在弹出的菜单中，选择查看简介；在弹出的菜单中，找到打开方式选项，从下来的菜单...首先选中你要修改默认打开方式的文件，右键单...
第一个Hello,OS World操作系统源码下载 - c++1y / stl - 清泛IT社区，为创新赋能！
原文参见：《第一个Hello,OS World操作系统》。
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