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An async/await example that causes a deadlock
I came across some best practices for asynchronous programming using c#'s async / await keywords (I'm new to c# 5.0).
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What does the 'standalone' directive mean in XML?
What does the ' standalone ' directive mean in an XML document?
5 Answers
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git --git-dir not working as expected
I am trying to run git from a different directory than I am in. So for example if I am in:
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What is the meaning of “… …” token? i.e. double ellipsis operator on parameter pack
While browsing through gcc's current implementation of new C++11 headers, I stumbled upon "......" token. You can check, that the following code compiles fine [via ideone.com].
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PHP & mySQL: Year 2038 Bug: What is it? How to solve it?
I was thinking of using TIMESTAMP to store the date+time, but I read that there is a limitation of year 2038 on it. Instead of asking my question in bulk, I preferred to break it up into small parts so that it is easy for novice users to understand as well. So my question(s):
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How do I limit the number of results returned from grep?
I would like to say 10 lines max from grep.
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Can dplyr package be used for conditional mutating?
Can the mutate be used when the mutation is conditional (depending on the values of certain column values)?
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What is the difference between exit() and abort()?
In C and C++, what is the difference between exit() and abort() ? I am trying to end my program after an error (not an exception).
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regex.test V.S. string.match to know if a string matches a regular expression
Many times I'm using the string match function to know if a string matches a regular expression.
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How to create a custom string representation for a class object?
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Implement __str__() or __repr__() in the class's metaclass.
class MC(type):
def __repr__(self):
return 'Wahaha!'
class C(object):
__metaclass__ = MC
print C
Use __str__ if you mean a readable stringification, use __repr__ for unambiguous representa...