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How can I filter a Django query with a list of values?
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From the Django documentation:
Blog.objects.filter(pk__in=[1, 4, 7])
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Verifying signed git commits?
...o get access to the raw gpg status information, which is machine-readable, allowing automated implementation of signing policy.
Add a --raw option to make verify-tag produce the gpg status information on standard error instead of the human-readable format.
Plus:
verify-tag exits success...
What are the big differences between TFVC (TFS Version Control) and Git for source control when usin
...for source control when using VS 2013?
MSDN has a very extensive page on all the features and differences between Team Foundation Version Control and Git.
Is the only benefit in my case a local repository (not saying that's insignificant) and IoS development support?
No, there's lot more, bu...
Postgresql 9.2 pg_dump version mismatch
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This only happens when you upgrade PostgreSQL. I just did a fresh install of the OS and didn't have any problems with this.
– Seth
May 1 '14 at 22:53
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push_back vs emplace_back
...h_back(Type&& _Val).
But the real C++0x form of emplace_back is really useful: void emplace_back(Args&&...);
Instead of taking a value_type it takes a variadic list of arguments, so that means that you can now perfectly forward the arguments and construct directly an object into a ...
How to change the default GCC compiler in Ubuntu?
I have installed gcc-3.3/g++-3.3 on ubuntu 11.04 which already has gcc/g++-4.4. So in my system both gcc-3.3 and 4.4 are available. I am able to call both compilers as I want. If I just call the command gcc then gcc-4.4 will get called. To call gcc-3.3, I have to use the command gcc-3.3 .
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How to change the default charset of a MySQL table?
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If you want to change the table default character set and all character columns to a new character set, use a statement like this:
ALTER TABLE tbl_name CONVERT TO CHARACTER SET charset_name;
So query will be:
ALTER TABLE etape_prospection CONVERT TO CHARACTER SET utf8;
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What is a reasonable code coverage % for unit tests (and why)? [closed]
...and she knows those
factors better than I do – it’s her
code after all. There is no single,
simple, answer, and she’s smart enough
to handle the truth and work with
that.”
“I see,” said the young apprentice,
“but if there is no single simple
answer, then why did you ...
Why do we need a pure virtual destructor in C++?
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Probably the real reason that pure virtual destructors are allowed is that to prohibit them would mean adding another rule to the language and there's no need for this rule since no ill-effects can come from allowing a pure virtual destructor.
Nope, plain old virtual is enough.
If...
Is there a list of screen resolutions for all Android based phones and tablets? [closed]
...p the extreme aspect ratios, that are rarely seen at phone size or larger, all the other devices fit a range from 1.3333 to 1.7778, which conveniently matches the current iPhone/iPad ratios (considering all devices in portrait mode). Note that there are quite a few variations within that range, so i...