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correct way to define class variables in Python [duplicate]
...em = 666, then print c1.static_elem, c2.static_elem will produce 666, 999. From within the class, self.static_elm returns MyClass.static_elm until assigned self.static_elm = X. Then, a new self.static_elm is created, obscuring the class variable (still reachable through MyClass.static_elm)
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Avoid web.config inheritance in child web application using inheritInChildApplications
...hen I call the wcf service inside the "QA" folder, it takes the connection from parent config only (even I give <location> tag). Please let me know what would be the problem.
– superachu
Apr 30 '14 at 20:56
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How to implement a confirmation (yes/no) DialogPreference?
...hich means it is a part of Android's private APIs and you cannot access it from your application (private API classes are subject to change without notice, hence the reason why Google does not let you access them).
Solution: just re-create the class in your application's package by copy/pasting the...
Ternary operator is twice as slow as an if-else block?
...llows the X64 JIT to perform the inner loop entirely using registers aside from loading i from the array, while the X86 JIT places several stack operations (memory access) in the loop.
value is a 64-bit integer, which requires 2 machine instructions on X86 (add followed by adc) but only 1 on X64 (ad...
Print function log /stack trace for entire program using firebug
...rticular function name. I'm looking for a bug that sometimes stops a page from rendering, but doesn't cause any errors or warnings. The bug only appears about half the time. So how do I get a list of all the function calls for the entire program, or some kind of stack trace for the execution of t...
How to match, but not capture, part of a regex?
...:
123-(apple(?=-)|banana(?=-)|(?!-))-?456
The reason is that the answer from @op1ekun also matches "123-apple456", without the hyphen after apple.
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How to get access to HTTP header information in Spring MVC REST controller?
...thing like this:
@RequestHeader("Accept")
to get the Accept header.
So from the documentation:
@RequestMapping("/displayHeaderInfo.do")
public void displayHeaderInfo(@RequestHeader("Accept-Encoding") String encoding,
@RequestHeader("Keep-Alive") long keepAlive) {
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Difference between using Throwable and Exception in a try catch
... Throwable and instances of Throwable itself. There's nothing stopping you from writing throw new Throwable();, so it is the only way to truely catch everything.
– Antimony
Mar 21 '16 at 0:50
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Pip install Matplotlib error with virtualenv
...ng freetype did not solve anything, I investigated further.
The solution:
From github issue:
This bug only occurs if pkg-config is not installed;
a simple
sudo apt-get install pkg-config
will shore up the include paths for now.
After this installation proceeds smoothly.
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How to document Ruby code?
...or the RDoc processor, which can find your documentation and generate HTML from it. You've put your comment in the right place for that, but you should have a look at the RDoc documentation to learn about the kinds of tags that RDoc knows how to format. To that end, I'd reformat your comment as foll...