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#include in .h or .c / .cpp?
...t up to protect against multiple declaration/definition errors, then a few extra seconds of build time isn't worth worrying about. Trying to manage dependencies manually is a pain in the ass.
Of course, you shouldn't be including files where you don't need to.
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Heroku Postgres - terminate hung query (idle in transaction)
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You can install the heroku-pg-extras add-on and run the following command to get the PID:
heroku pg:locks --app <your-app>
Then just do:
heroku pg:kill <pid> --app <your-app>
NOTE: --force option can be used to issue pg_terminate_...
Database development mistakes made by application developers [closed]
...ese cases and creates more overhead in your queries as you must include an extra join. I would say that it is safer to say that you probably ought to use a surrogate for user-specific data (thus, not countries, currencies and US States).
– Thomas
Aug 2 '10 at 1...
MFC Grid control 2.27 - C/C++ - 清泛网移动版 - 专注C/C++及内核技术
...too badly . Joe was kind enough to allow me to release the source with no strings attached (since it is based on his code) but since the project was such a marathon I am placing a couple of very minor conditions on the use of this code:
This code may be used in compiled form in any way you desi...
Why can't a text column have a default value in MySQL?
...XT column actually takes less total memory than storing the same data in a CHAR or VARCHAR column.
– David Cary
Sep 28 '12 at 17:35
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How to use Python to login to a webpage and retrieve cookies for later usage?
... Is 'action': 'login' actually necessary in this example, or is it just an extra parameter that's sent with the request?
– Ted
Jun 26 '14 at 16:08
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jQuery: $().click(fn) vs. $().bind('click',fn);
... calls on('click'). The way I see it, you might as well save yourself that extra function call by using on('click') directly.
– Nix
Mar 15 '12 at 13:58
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C#: Difference between List and Collection (CA1002, Do not expose generic lists) [duplicate]
...lity in mind it's very flexible. If in the future you decide you need some extra feature in the collection you can just extend it without any change to the public interface of the class. If you had used a list, you would have had to change it to a collection which means it would have broken all of t...
Git: can't undo local changes (error: path … is unmerged)
.../bar.txt <br/> $ git checkout -- foo/bar.txt <br/> (Notice the extra "--" in between)
– Jan
Aug 9 '11 at 17:37
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how to check if a file is a directory or regular file in python? [duplicate]
...if you've already got a stat structure, this allows you to avoid making an extra system call / disk seek via os.path.isfile or friends.
– Joshua Richardson
May 12 '14 at 18:39
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