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What's the difference between faking, mocking, and stubbing?
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When to create a new app (with startapp) in Django?
...were released publicly. This often encourages me to shrink the buckets and more clearly define its "purpose".
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How can I see what has changed in a file before committing to git?
...ng git diff --staged [filename] in your main answer as that is a situation more often needed.
– Lazarus Thurston
Nov 28 '17 at 11:55
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Keep only date part when using pandas.to_datetime
...g to screen
saving to csv
using the column to groupby
... and it is much more efficient, since the operation is vectorized.
EDIT: in fact, the answer the OP's would have preferred is probably "recent versions of pandas do not write the time to csv if it is 00:00:00 for all observations".
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Virtualizing an ItemsControl?
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There's actually much more to it than just making the ItemsPanelTemplate use VirtualizingStackPanel. The default ControlTemplate for ItemsControl does not have a ScrollViewer, which is the key to virtualization. Adding to the the default control t...
AngularJS toggle class using ng-class
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Add more than one class based on the condition:
<div ng-click="AbrirPopUp(s)"
ng-class="{'class1 class2 class3':!isNew,
'class1 class4': isNew}">{{ isNew }}</div>
Apply: class1 + class2 + class3 when i...
Maximum number of characters using keystrokes A, Ctrl+A, Ctrl+C and Ctrl+V
...aste, select, copy, paste and the latter is better since it leaves us with more in the clipboard. Once we've reached n, we have the desired result.
The complexity might appear to be O(N), but since the numbers grow at an exponential rate it is actually O(N2) due to the complexity of multiplying the...
Why use pointers? [closed]
...k of appropriate functionality, missing data types or for pure perfomance. More below...
When and where should I use pointers?
Short answer here is: Where you cannot use anything else. In C you don't have any support for complex datatypes such as a string. There are also no way of passing a var...
What is the difference between class and instance attributes?
... unique to that instance.
If coming from C++, attributes on the class are more like static member variables.
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Splitting templated C++ classes into .hpp/.cpp files--is it possible?
...epresent only data structures not the algorithms. This enables you to hide more valuable implementation details in separate non-templatized class libraries, the classes inside which would work on the template classes or just use them to hold data. The template class would actually contain less code ...