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How to get an absolute file path in Python
...resumed), there is no linkage between the argument to the abspath function and a real file. You could give any pathname- non-existent files and directory heirarchies are fine- and abspath will simply resolve the bits of the path (including the parent directory ".." element) and return a string. This...
what's the correct way to send a file from REST web service to client?
...at I don't know where I should even begin. My REST service is made on Java and I'm using Jersey, I'm sending all the data using the JSON format.
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Select first row in each GROUP BY group?
... BY p.customer) y ON y.customer = x.customer
AND y.max_total = x.total
GROUP BY x.customer, x.total
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#ifdef in C#
...defined");
#elif (DEBUG && VC_V7)
Console.WriteLine("DEBUG and VC_V7 are defined");
#else
Console.WriteLine("DEBUG and VC_V7 are not defined");
#endif
}
}
Only useful for excluding parts of methods.
If you use #if to exclude some method from compilation then you will h...
LINQ - Full Outer Join
I have a list of people's ID and their first name, and a list of people's ID and their surname. Some people don't have a first name and some don't have a surname; I'd like to do a full outer join on the two lists.
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Ruby Bundle Symbol not found: _SSLv2_client_method (LoadError)
I was doing attempting to do some updates to openssl using homebrew and I somehow managed to break everything. I can't do anything now, this is what I get when I try to do bundle install:
...
What is the proper way to display the full InnerException?
... This includes a load of other crap too, not just the exception message and inner exception messages
– ᴍᴀᴛᴛ ʙᴀᴋᴇʀ
Oct 25 '16 at 14:26
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致PHP路上的“年轻人” - PHP - 清泛IT社区，为创新赋能！
今晚在公司，又与一位刚做PHP工作一年的朋友聊了甚久。他与他们有一样的问题，比较迷茫。而我当年也有他们的困惑。虽然自己也还年轻，但作为一个阶段告以段落的“过来人”，还是想写点东西给“年轻人”。关于如何成长...
Are class names in CSS selectors case sensitive?
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CSS selectors are generally case-insensitive; this includes class and ID selectors.
But HTML class names are case-sensitive (see the attribute definition), and that's causing a mismatch in your second example. This has not changed in HTML5.1
This is because the case-sensitivity of selecto...
How do I use floating-point division in bash?
...$IMG_WIDTH/$IMG2_WIDTH") without $(( )) (double parentheses) ; which is expanded by the bash before executing command
– Nahuel Fouilleul
Oct 4 '12 at 7:32
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