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How can I get the current user's username in Bash?
I am writing a program in Bash that needs to get the user's username.
12 Answers
12
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Types in MySQL: BigInt(20) vs Int(20)
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See http://dev.mysql.com/doc/refman/8.0/en/numeric-types.html
INT is a four-byte signed integer.
BIGINT is an eight-byte signed integer.
They each accept no more and no fewer values than can be stored in their respective n...
Calling parent class __init__ with multiple inheritance, what's the right way?
...h invokes A's code which will also call super which invokes B's code. See http://rhettinger.wordpress.com/2011/05/26/super-considered-super for more detail on what can be done with super.
[Response question as later edited]
So it seems that unless I know/control the init's of the classes I
i...
How do I 'git diff' on a certain directory?
git diff actually runs a diff on all source code. How do I do this on a certain directory, so that I can view modifications on files underneath it?
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jQuery Date Picker - disable past dates
...tion, date);
}
});
Edit - from your comment now it works as expected http://jsfiddle.net/nicolapeluchetti/dAyzq/1/
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Debug Error \"pure virtual function call\" 原因解析 - 更多技术 - 清泛...
...虚函数，看看有没有在构造析构函数中调用。以下来自：http: www.kuqin.c...结论：一般在构造、析构函数中调用虚函数就可能出这个错误，检查纯虚函数，看看有没有在构造析构函数中调用。
以下来自：http://www.kuqin.com/languag...
Graph visualization library in JavaScript
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I've just put together what you may be looking for: http://www.graphdracula.net
It's JavaScript with directed graph layouting, SVG and you can even drag the nodes around. Still needs some tweaking, but is totally usable. You create nodes and edges easily with JavaScript code ...
Convert to binary and keep leading zeros in Python
I'm trying to convert an integer to binary using the bin() function in Python. However, it always removes the leading zeros, which I actually need, such that the result is always 8-bit:
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C multi-line macro: do/while(0) vs scope block [duplicate]
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http://bytes.com/groups/c/219859-do-while-0-macro-substitutions
https://groups.google.com/d/msg/comp.lang.C/xGZxls194mI/dEIpTKz2okMJ
Andrey Tarasevich:
The whole idea of using 'do/while' version is to make a macro which wil...
Make a bucket public in Amazon S3 [closed]
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You can set a bucket policy as detailed in this blog post:
http://ariejan.net/2010/12/24/public-readable-amazon-s3-bucket-policy/
As per @robbyt's suggestion, create a bucket policy with the following JSON:
{
"Version": "2008-10-17",
"Statement": [{
"Sid": "AllowPublicRea...