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How to declare std::unique_ptr and what is the use of it?
... to understand how std::unique_ptr works and for that I found this document. The author starts from the following example:
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Python regular expressions return true/false
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Match objects are always true, and None is returned if there is no match. Just test for trueness.
if re.match(...):
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AngularJS ng-click stopPropagation
...ll other event directives) creates $event variable which is available on same scope. This variable is a reference to JS event object and can be used to call stopPropagation():
<table>
<tr ng-repeat="user in users" ng-click="showUser(user)">
<td>{{user.firstname}}</td>
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Django CharField vs TextField
...he difference between CharField() and TextField() in Django? The documentation says that CharField() should be used for smaller strings and TextField() should be used for larger strings. Okay, but where is the line drawn between "small" and "large"? What's going on under the hood here t...
Binding a WPF ComboBox to a custom list
I have a ComboBox that doesn't seem to update the SelectedItem/SelectedValue.
4 Answers
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Color in git-log
...--pretty=oneline the output will have entries like (HEAD, refs/published/master, master) with coloration.
5 Answers
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Named regular expression group “(?Pregexp)”: what does “P” stand for?
In Python, the (?P<group_name>…) syntax allows one to refer to the matched string through its name:
3 Answers
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How exactly does a generator comprehension work?
What does generator comprehension do? How does it work? I couldn't find a tutorial about it.
6 Answers
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How to create empty text file from a batch file?
Can somebody remember what was the command to create an empty file in MSDOS using BAT file?
13 Answers
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Inherit from a generic base class, apply a constraint, and implement an interface in C#
This is a syntax question. I have a generic class which is inheriting from a generic base class and is applying a constraint to one of the type parameters. I also want the derived class to implement an interface. For the life of me, I cannot seem to figure out the correct syntax.
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