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Static way to get 'Context' in Android?
...Context() {
return MyApplication.context;
}
}
Now everywhere call MyApplication.getAppContext() to get your application context statically.
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Why does Python code use len() function instead of a length method?
... on objects which have a length and use the built-in len() function, which calls it for you, similar to the way you would implement __iter__() and use the built-in iter() function (or have the method called behind the scenes for you) on objects which are iterable.
See Emulating container types for ...
Python Script execute commands in Terminal
... but. You should use subprocess for everything. It's way safer. subprocess.call() will get you a nice interface in order to replace the simple call form.
– Jorge Vargas
Mar 24 '11 at 20:35
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Override console.log(); for production [duplicate]
...guments, at the cost of a little extra complexity we could support that by calling oldCons.log.apply(arguments)
– python1981
Jan 28 '18 at 12:46
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How to avoid mysql 'Deadlock found when trying to get lock; try restarting transaction'
...etime <= now() - INTERVAL 900 SECOND
To
DELETE FROM onlineusers
WHERE id IN (
SELECT id FROM onlineusers
WHERE datetime <= now() - INTERVAL 900 SECOND
ORDER BY id
) u;
Another thing to keep in mind is that mysql documentation suggest that in case of a deadlock the client should...
AngularJS $http and $resource
I have some web services that I want to call. $resource or $http , which one should I use?
10 Answers
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How to “return an object” in C++?
...faster. It does require you have some way to construct the object prior to calling the function, which doesn't always make sense for all objects.
If you want to use dynamic allocation, the least that can be done is put it in a smart pointer. (This should be done all the time anyway) Then you don't ...
What is object slicing?
...questions/274626#274636 for an example of how slicing occurs during method calls (which underscores the danger a little better than the plain assignment example).
– Blair Conrad
Nov 8 '08 at 13:53
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json.dumps vs flask.jsonify
...sonify() handles lists now. See this commit.
– Jeff Widman
Jan 25 '16 at 19:14
3
But it still doe...
Is main() really start of a C++ program?
...
No, C++ does a lot of things to "set the environment" prior to the call of main; however, main is the official start of the "user specified" part of the C++ program.
Some of the environment setup is not controllable (like the initial code to set up std::cout; however, some of the environmen...