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(Mac) -bash: __git_ps1: command not found

...r - in git's development history this is after a commit that split out the __git_ps1 function from the completion functionality into a new file (git-prompt.sh). The commit that introduced this change, which explains the rationale, is af31a456. I would still suggest that you just source the version...
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Can you provide some examples of why it is hard to parse XML and HTML with a regex? [closed]

...HTML and XML are recursive structures which require counting mechanisms in order to properly parse. A true regex is not capable of counting. You must have a context free grammar in order to count. The previous paragraph comes with a slight caveat. Certain regex implementations now support the ide...
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Can I redirect the stdout in python into some sort of string buffer?

...ngIO import StringIO # Python3 use: from io import StringIO import sys old_stdout = sys.stdout sys.stdout = mystdout = StringIO() # blah blah lots of code ... sys.stdout = old_stdout # examine mystdout.getvalue() share ...
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Sankey Diagrams in R?

...it <- as.data.frame(Titanic) # 4d alluvial( tit[,1:4], freq=tit$Freq, border=NA, hide = tit$Freq < quantile(tit$Freq, .50), col=ifelse( tit$Class == "3rd" & tit$Sex == "Male", "red", "gray") ) share ...
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__init__ for unittest.TestCase

... Try this: class TestingClass(unittest.TestCase): def __init__(self, *args, **kwargs): super(TestingClass, self).__init__(*args, **kwargs) self.gen_stubs() You are overriding the TestCase's __init__, so you might want to let the base class handle the arguments ...
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React.js: Wrapping one component into another

... Or you can use a Higher-Order Component :) stackoverflow.com/a/31564812/82609 – Sebastien Lorber Jul 22 '15 at 13:41 add a c...
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When is JavaScript synchronous?

...ous means one at a time i.e. one line of code is being executed at time in order the code appears. So in JavaScript one thing is happening at a time. Execution Context The JavaScript engine interacts with other engines in the browser. In the JavaScript execution stack there is global context at th...
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How do I find the location of Python module sources?

... For a pure python module you can find the source by looking at themodule.__file__. The datetime module, however, is written in C, and therefore datetime.__file__ points to a .so file (there is no datetime.__file__ on Windows), and therefore, you can't see the source. If you download a python sour...
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Finding three elements in an array whose sum is closest to a given number

...e for that i, since we'd be summing the same elements, just in a different order. After that point, we try the next i and repeat. Eventually, we'll either exhaust the useful possibilities, or we'll find the solution. You can see that this is O(n2) since we execute the outer loop O(n) times and we e...
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How do I create a constant in Python?

...f you are in a class, the equivalent would be: class Foo(object): CONST_NAME = "Name" if not, it is just CONST_NAME = "Name" But you might want to have a look at the code snippet Constants in Python by Alex Martelli. As of Python 3.8, there's a typing.Final variable annotation that will tell ...