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Problems with entering Git commit message with Vim
... sure that the changes you are trying to commit have been added to the Git index; this determines what is committed. See http://gitref.org/basic/ for details on this.
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How to check if an NSDictionary or NSMutableDictionary contains a key?
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if (keysByName[test] != nil)
NSLog(@"\nit works for key lookups using indexed syntax"); // OK
else
NSLog(@"\nsod it");
if ([keysByName doesContain:@"fred"])
NSLog(@"\n doesContain works literally");
else
NSLog(@"\nsod it"); // this one fails because of id comparison used by doesC...
Request format is unrecognized for URL unexpectedly ending in
...Post"/> elements to the web.config, which changed the error to:
System.IndexOutOfRangeException: Index was outside the bounds of the array.
at BitMeter2.DataBuffer.incrementCurrent(Int64 val)
at BitMeter2.DataBuffer.WindOn(Int64 count, Int64 amount)
at BitMeter2.DataHistory.windOnBuffer...
Real world example about how to use property feature in python?
...ef protein_folding_angle(self):
# number crunching, remote server calls, etc
# all results in an angle set in 'some_angle'
# It could also reference a cache, remote or otherwise,
# that holds the latest value for this angle
return some_angle
>>> f = ...
How to detect scroll position of page using jQuery
... btn */
CSS CODE
/*Scrool top btn*/
#toTop{
position: fixed;
z-index: 10000;
opacity: 0.5;
right: 5px;
bottom: 10px;
background-color: #ccc;
border: 1px solid black;
width: 40px;
height: 40px;
border-radius: 20px;
color: black;
font-size: 22px;
...
Declaring variables inside or outside of a loop
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The scope of local variables should always be the smallest possible.
In your example I presume str is not used outside of the while loop, otherwise you would not be asking the question, because declaring it inside the while loop would not be an option, since it would not comp...
How do you generate dynamic (parameterized) unit tests in python?
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This is called "parametrization".
There are several tools that support this approach. E.g.:
pytest's decorator
parameterized
The resulting code looks like this:
from parameterized import parameterized
class TestSequence(unittes...
What to put in a python module docstring? [closed]
...ngs; the module's own docstring should describe them very summarily (if at all) and rather concentrate on a concise summary of what the module as a whole can do for you, ideally with some doctested examples (just like functions and classes ideally should have doctested examples in their docstrings)....
Error: free(): invalid next size (fast):
...ny dynamic memory allocation in my program, but I was accessing a vector's index without allocating memory for it.
So, if the same case, better allocate some memory using resize() and then access vector elements.
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What is the difference between quiet NaN and signaling NaN?
...unit (FPU) or library if floating-point is implemented in software. A signalling NaN will produce a signal, usually in the form of exception from the FPU. Whether the exception is thrown depends on the state of the FPU.
C++11 adds a few language controls over the floating-point environment and pr...