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How to remove all whitespace from a string?
...we want a solution that is vectorised, so here's a better test example:
whitespace <- " \t\n\r\v\f" # space, tab, newline,
# carriage return, vertical tab, form feed
x <- c(
" x y ", # spaces before, after and in between
" \u2190 \u2192 ", # contains...
What is an uber jar?
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Über is the German word for above or over (it's actually cognate with the English over).
Hence, in this context, an uber-jar is an "over-jar", one level up from a simple JAR (a), defined as one that contains both your package and all its dependencies in one single JA...
Why is “if not someobj:” better than “if someobj == None:” in Python?
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In the first test, Python try to convert the object to a bool value if it is not already one. Roughly, we are asking the object : are you meaningful or not ? This is done using the following algorithm :
If the object has a __nonzero__ special method (as do numeric built-ins, int and float), it...
instantiate a class from a variable in PHP?
I know this question sounds rather vague so I will make it more clear with an example:
5 Answers
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NUnit isn't running Visual Studio 2010 code
I'm trying to load a Visual Studio 2010 beta dll into the NUnit GUI. I get a popup error.
10 Answers
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You have not concluded your merge (MERGE_HEAD exists)
... made a branch called 'f' and did a checkout to master. When I tried the git pull command I got this message:
13 Answers
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Spring ApplicationContext - Resource leak: 'context' is never closed
In a spring MVC application, I initialize a variable in one of the service classes using the following approach:
16 Answers...
Android - border for button
How do I add a border to a button? Is it possible to do this without resorting to use of images?
8 Answers
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Can someone explain the right way to use SBT?
... getting out off the closet on this! I don't understand SBT. There, I said it, now help me please.
4 Answers
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How to divide flask app into multiple py files?
My flask application currently consists of a single test.py file with multiple routes and the main() route defined. Is there some way I could create a test2.py file that contains routes that were not handled in test.py ?
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