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How to step through Python code to help debug issues?
...ep is to make the Python interpreter to enter into the debugging mode.
A. From the Command Line
Most straight forward way, running from command line, of python interpreter
$ python -m pdb scriptName.py
> .../pdb_script.py(7)<module>()
-> """
(Pdb)
B. Within the Interpreter
While de...
How can I reverse a list in Python?
...bout twice as fast (when reversing a 10k elements list and creating a list from it). I did not test memory consumption though. reverse might be faster though, if you don't need to cast to list afterwards.
– Dakkaron
Aug 23 '16 at 14:01
...
CSS file not opening in Visual Studio 2010 SP1?
...
I found the solution from here:
I was having the same issue and found that by going to the Tools -> Extension Manager -> Online Gallery and search for/install the "Web Standards Update for Microsoft Visual Studio 2010 sp1" I was able to...
How do you iterate through every file/directory recursively in standard C++?
...entation as close as possible to the standard.
An example, taken straight from the website:
bool find_file( const path & dir_path, // in this directory,
const std::string & file_name, // search for this name,
path & path_found ) // pla...
How to check if a float value is a whole number
...e if a floating point value is within a configurable margin:
>>> from math import isclose
>>> isclose((4**3) ** (1.0/3), 4)
True
>>> isclose(10648 ** (1.0/3), 22)
True
For older versions, the naive implementation of that function (skipping error checking and ignoring in...
Accessing @attribute from SimpleXML
...e info at php.net
http://php.net/simplexmlelement.attributes
Example code from that page:
$xml = simplexml_load_string($string);
foreach($xml->foo[0]->attributes() as $a => $b) {
echo $a,'="',$b,"\"\n";
}
sha...
What is the difference between Android margin start/end and right/left?
...exists above API 17. However, I can't see why your left/right would differ from start/end; I'm curious.
– Liggliluff
Feb 5 '17 at 14:19
2
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UnboundLocalError on local variable when reassigned after first use
...es in functions differently depending on whether you assign values to them from inside or outside the function. If a variable is assigned within a function, it is treated by default as a local variable. Therefore, when you uncomment the line you are trying to reference the local variable c before ...
How to use the CancellationToken property?
...}
}
That's it. You always need to handle cancellation by yourself - exit from method when it is appropriate time to exit (so that your work and data is in consistent state)
UPDATE: I prefer not writing while (!cancelToken.IsCancellationRequested) because often there are few exit points where you ...
NSLog an object's memory address in overridden description method
...decided is relevant to debugging in any superclasses you may be inheriting from.
– Tommy
Jun 2 '13 at 20:03
7
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