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Integrating the ZXing library directly into my Android application
... work it's magic [having issues?]
Enter Eclipse -> new Android Project, based on the android folder in the directory you just extracted
Right-click project folder -> Properties -> Java Build Path -> Library -> Add External JARs...
Navigate to the newly extracted folder and open the co...
Returning value that was passed into a method
... 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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What is a “callable”?
...allable is anything that can be called.
The built-in callable (PyCallable_Check in objects.c) checks if the argument is either:
an instance of a class with a __call__ method or
is of a type that has a non null tp_call (c struct) member which indicates callability otherwise (such as in functions,...
Byte order mark screws up file reading in Java
...ed in SUN's bug database. Incorporate it in your code and you're fine.
/* ____________________________________________________________________________
*
* File: UnicodeBOMInputStream.java
* Author: Gregory Pakosz.
* Date: 02 - November - 2005
* _____________________________________...
In log4j, does checking isDebugEnabled before logging improve performance?
...he call, and the framework can't do that for you. The thing with formatter-based log methods is that you can pass some Object(s) (which is essentially free), and the logger will call toString() only if required.
– SusanW
Feb 2 '17 at 14:00
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Is there a __CLASS__ macro in C++?
Is there a __CLASS__ macro in C++ which gives the class name similar to __FUNCTION__ macro which gives the function name
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Performance of foreach, array_map with lambda and array_map with static function
... 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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NSInvocation for Dummies?
... 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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CSS: Truncate table cells, but fit as much as possible
...instead prepending the widths to the <td> styles: jsfiddle.net/7CURQ/64
– Sam
Nov 12 '15 at 5:55
2
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Calling class staticmethod within the class body?
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staticmethod objects apparently have a __func__ attribute storing the original raw function (makes sense that they had to). So this will work:
class Klass(object):
@staticmethod # use as decorator
def stat_func():
return 42
_ANS = stat_func...