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Cost of exception handlers in Python
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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How can I access “static” class variables within class methods in Python?
... @Mk12: When you've got class inheritance, a "class variable"could be in a base class or a subclass. Which do you want to refer to? Depends on what you're trying to do. Foo.bar would always refer to an attribute of the specified class--which might be a base class or a subclass. self.__class__.bar wo...
How can I make pandas dataframe column headers all lowercase?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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How to implement an STL-style iterator and avoid common pitfalls?
...ze size) { return ptr_iterator<T>(val) + size; }
Raw pointer range based loop workaround. Please, correct me, if there is better way to make range based loop from raw pointer.
template<typename T>
class ptr_range
{
T* begin_;
T* end_;
public:
ptr_range(T* ptr, size_t lengt...
How to detect user inactivity in Android
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I came up with a solution that I find quite simple based on Fredrik Wallenius's answer. This a base activity class that needs to be extended by all activities.
public class MyBaseActivity extends Activity {
public static final long DISCONNECT_TIMEOUT = 300000; // 5 min ...
Running a specific test case in Django when your app has a tests directory
... a method called build_test(label) that figures out what test cases to run based on the label. Looking into this method it turns out they're doing a getattr() on either the "models" or "test" module. This means if you return a suite the test runner isn't looking for your test cases in that suite, ...
SQL/mysql - Select distinct/UNIQUE but return all columns?
...ery:
SELECT * from table GROUP BY field1;
It will show all your results based on a single instance of field1.
For example, if you have a table with name, address and city. A single person has multiple addresses recorded, but you just want a single address for the person, you can query as follows...
What does “#pragma comment” mean?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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django urls without a trailing slash do not redirect
...mport HttpResponsePermanentRedirect, HttpRequest
from django.core.handlers.base import BaseHandler
from django.middleware.common import CommonMiddleware
from django.conf import settings
class HttpSmartRedirectResponse(HttpResponsePermanentRedirect):
pass
class CommonMiddlewareAppendSlashWith...
Auto layout constraints issue on iOS7 in UITableViewCell
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Yes this is the best answer based on my 3-hour googling. Other similar "solutions" don't provide the complete list of cell.contentView.autoresizingMask. Only this one works for my iPad 7.1 project created in Xcode 6.
– Golden Thumb...