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Difference between staticmethod and classmethod

... Maybe a bit of example code will help: Notice the difference in the call signatures of foo, class_foo and static_foo: class A(object): def foo(self, x): print "executing foo(%s, %s)" % (self, x) @classmethod def class_foo(cls, x): print "executing class_foo(%s, %s...
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In Django, how do I check if a user is in a certain group?

...add(group) # user is now in the "Editor" group then user.groups.all() returns [<Group: Editor>]. Alternatively, and more directly, you can check if a a user is in a group by: if django_user.groups.filter(name = groupname).exists(): ... Note that groupname can also be the ac...
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How to print to stderr in Python?

...to make your code Python3-ready. I guess this could be why many people actually like it! – MarcH Nov 18 '14 at 19:00 18 ...
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ADB No Devices Found

I am attempting to install an Android app on my brand new Nexus 10 . I have a .apk file. I have downloaded the Android SDK, installed "Android SDK Tools", "Android SDK Platform-tools", and Google USB Driver. I have checked the setting on my Nexus 10 for "Unknown Sources". ...
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Deprecated: mysql_connect()

...ay mysqli_query($connection, 'CREATE TEMPORARY TABLE `table`'); Turn off all deprecated warnings including them from mysql_*: <?php error_reporting(E_ALL ^ E_DEPRECATED); The Exact file and line location which needs to be replaced is "/System/Startup.php > line: 2 " error_reporting(E_All)...
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Conditional compilation and framework targets

... are a few minor places where code for my project may be able to be drastically improved if the target framework were a newer version. I'd like to be able to better leverage conditional compilation in C# to switch these as needed. ...
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Timeout for python requests.get entire response

...As long as you don't set stream=True on that request, this will cause the call to requests.get() to timeout if the connection takes more than ten seconds, or if the server doesn't send data for more than ten seconds. share ...
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Reset Entity-Framework Migrations

... I used IgnoreChanges on the initial migration, but now I want to delete all my migrations and start with an initial migration with all of the logic. ...
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Iterating each character in a string using Python

... If that seems like magic, well it kinda is, but the idea behind it is really simple. There's a simple iterator protocol that can be applied to any kind of object to make the for loop work on it. Simply implement an iterator that defines a next() method, and implement an __iter__ method on a c...
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print call stack in C or C++

Is there any way to dump the call stack in a running process in C or C++ every time a certain function is called? What I have in mind is something like this: ...