大约有 45,000 项符合查询结果（耗时：0.0673秒） [XML]
Difference between Django's annotate and aggregate methods?
...think the comments on an eight-year-old question is the best place to ask. If you want to check when the queries run, then you can check connection.queries. Hint: check whether it's the book = q[0] or ` book.num_authors` that causes the query.
– Alasdair
Jul 31...
Accessing UI (Main) Thread safely in WPF
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@l46kok This can have different reasons (console app, hosting from winforms etc.). As @WolfgangZiegler said, you can use any UIElement for it. I just usually use Application.Current for it since it looks cleaner to me.
– Botz3...
How can I read a whole file into a string variable
...reported.
You will get a []byte instead of a string. It can be converted if really necessary:
s := string(buf)
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Copying text with color from Notepad++
...gin called NppExport that does just that in a couple of available formats. If you don't have NppExport yet, you can download it through the inbuilt plugin manager.
update As of version 6.1.5 (or maybe earlier) this ships with a standard install of Notepad++
update As of 2019 NppExport is not inc...
How should one use std::optional?
... //try to parse an int from the given string,
//and return "nothing" if you fail
}
The same thing might be accomplished with a reference argument instead (as in the following signature), but using std::optional makes the signature and usage nicer.
bool try_parse_int(std::string s, int& ...
How can sbt pull dependency artifacts from git?
I've heard (and I know I've seen examples too, if only I can remember where) that sbt can obtain dependencies from a git repo.
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How to file split at a line number [closed]
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If you're trying to do this on Windows and don't want to use Cygwin, this project provides all the needed utils as native win32 binaries - unxutils.sourceforge.net
– Jonathon Hill
Dec 30...
Is there a way to only install the mysql client (Linux)?
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Use this if you're on Ubuntu.
– duality_
Aug 27 '15 at 7:35
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How do I set up curl to permanently use a proxy? [closed]
...lution is to use (maybe the better solution) the ~/.curlrc file (create it if it does not exist) :
proxy = <proxy_host>:<proxy_port>
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How to convert 'binary string' to normal string in Python3?
...ecause the given string was made with ascii letters. You don't need to specify encoding if the encoding is utf-8 (default in Python 3.x according to str.encode, bytes.decode doc-string)
– falsetru
Mar 30 '16 at 8:28
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