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Split Strings into words with multiple word boundary delimiters
... A common use case of string splitting is removing empty string entries from the final result. Is it possible to do that with this method? re.split('\W+', ' a b c ') results in ['', 'a', 'b', 'c', '']
– Scott Morken
Dec 6 '17 at 22:38
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What's the scope of the “using” declaration in C++?
...le, and gmock unit-testing was extra tedious because each test used things from a specific namespace, and I thought I had to qualify each and every variable. Using using inside a function (or even a gtest TEST macro!) makes my life so much better!
– dwanderson
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When to use: Java 8+ interface default method, vs. abstract method
...ith the deficiency that it restricts the implementor to single inheritance from the provided abstract implementation.
– Marko Topolnik
Nov 15 '13 at 10:43
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How do you set your pythonpath in an already-created virtualenv?
...h for, and place it in the site-packages directory. E.g.:
cd $(python -c "from distutils.sysconfig import get_python_lib; print(get_python_lib())")
echo /some/library/path > some-library.pth
The effect is the same as adding /some/library/path to sys.path, and remain local to the virtualenv set...
Reset CSS display property to default value
... any "default" style applied to that element (such as, e.g. display: block from the UA style sheet on block elements such as <div>) will also be blown away.
So I guess the only way right now using pure CSS is to look up the browser default value and set it manually to that:
div.foo { display:...
Can CSS force a line break after each word in an element?
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This is amazing. From years in the future, thanks a bunch :)
– Lucas Medina
Jun 23 '17 at 17:52
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How to return a part of an array in Ruby?
...turns a subarray specified by range. Negative indices count
backward from the end of the array (-1 is the last element).
Returns nil if the index (or starting index) are out of range.
a = [ "a", "b", "c", "d", "e" ]
a[2] + a[0] + a[1] #=> "cab"
a[6] ...
What is the difference between dynamic and static polymorphism in Java?
...Document’ as the base class and different document type
classes deriving from it. E.g. XMLDocument , WordDocument , etc.
Document class will define ‘ Serialize() ’ and ‘ De-serialize() ’
methods as virtual and each derived class will implement these
methods in its own way based on the actu...
What package naming convention do you use for personal/hobby projects in Java?
...he last several years, so I just had to move a few of my old projects over from Google Code before they shut down.
– Don Kirkby
Oct 6 '15 at 18:40
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Should an Enum start with a 0 or a 1?
...ue that you should be validating enums in the setter function and throwing from the getter if the setter was never called. That way you have one point of failure and you can plan on the field always having a valid value, which simplifies the design and code. My two cents anyway.
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