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How to create module-wide variables in Python? [duplicate]
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Here is what is going on.
First, the only global variables Python really has are module-scoped variables. You cannot make a variable that is truly global; all you can do is make a variable in a particular scope. (If you make a variable inside the Python interpreter, and then import other mo...
Is it possible to use AutoLayout with UITableView's tableHeaderView?
...ib) and wasn't having success setting the frame, height, layoutIfNeeded(), etc. But this solution finally allowed me to set it.
– vikzilla
Jul 9 '19 at 18:51
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Referring to a file relative to executing script
...s: cd "${BASH_SOURCE%/*}" || exit, or read somevar < "${BASH_SOURCE%/*}/etc/somefile", Link Strongly Discourages $0 "Nothing that reads $0 will ever be bulletproof, because $0 itself is unreliable."
– ThorSummoner
Sep 29 '15 at 23:47
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Detect HTTP or HTTPS then force HTTPS in JavaScript
...esn't save this redirect.
You describe task for web-server (apache, nginx etc) http 301, http 302
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Can a decorator of an instance method access the class?
I have something roughly like the following. Basically I need to access the class of an instance method from a decorator used upon the instance method in its definition.
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How do exceptions work (behind the scenes) in c++
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Instead of guessing, I decided to actually look at the generated code with a small piece of C++ code and a somewhat old Linux install.
class MyException
{
public:
MyException() { }
~MyException() { }
};
void my_throwing_function(bool throwit)
{
if (...
Detect 7 inch and 10 inch tablet programmatically
...nd the height in pixels, so 1280x720 for the Galaxy SIII, the Galaxy Nexus etc.
This isn't usually helpful on its own, as when we're working on Android devices, we usually prefer to work in density independent pixels, dip.
You get the density of the screen using metrics again, in the form of a sc...
Underscore vs Double underscore with variables and methods [duplicate]
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Explanation:
People coming from a C++/Java background are especially prone to
overusing/misusing this "feature". But __private names don't work the
same way as in Java or C++. They just trigger a name mangling whose
purpose is to prevent accidental namespace collisions in subclasses...
d3 axis labeling
...eet to style these labels as you like, either together (.label) or individually (.x.label, .y.label).
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Vim: Creating parent directories on save
...nes the :W command. Ideally, I'd like to have all of :w!, :wq, :wq!, :wall etc work the same, but I'm not sure if it's possible without basically reimplementing them all with custom functions.
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