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What is “lifting” in Haskell?
...g what a "lift" is? (I'm completely ignorant about monads, too :) Or can someone explain it to me with simple words?
5 Answ...
List all svn:externals recursively?
... your working copy:
svn propget svn:externals -R
As discussed in the comments below, this does not list externals in externals.
Note for TortoiseSVN users: there is an option in the TortoiseSVN installer to also install the SVN command line client. This option is not enabled by default.
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How can I call a custom Django manage.py command directly from a test driver?
...oes a backend operation on a database table. How would I invoke the management command directly from code?
5 Answers
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How do I pass extra arguments to a Python decorator?
...ef actual_decorator(func):
print("Decorating function {}, with parameter {}".format(func.__name__, param))
return function_wrapper(func) # assume we defined a wrapper somewhere
return actual_decorator
The outer function will be given any arguments you pass explicitly, and shou...
Import PEM into Java Key Store
I am trying to connect to an SSL server which requires me to authenticate myself. In order to use SSL over Apache MINA I need a suitable JKS file. However, I have only been given a .PEM file.
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Is there a difference between foo(void) and foo() in C++ or C?
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In C:
void foo() means "a function foo taking an unspecified number of arguments of unspecified type"
void foo(void) means "a function foo taking no arguments"
In C++:
void foo() means "a function foo taking no arguments"
void foo(v...
How does the MapReduce sort algorithm work?
...rstanding the basics of the sorting algorithm used in the MapReduce environment.
4 Answers
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What are the git concepts of HEAD, master, origin?
...o confusing. I've read so many tutorials on this and things like branching/merging, but still can't wrap my head around it.
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If unit testing is so great, why aren't more companies doing it? [closed]
... like and I was writing most of the unit tests. Since then I've run into some companies that do lots of testing, but it's chair testing: relies on a person being there, has low repeatibility and low chance of catching bugs. The other attitude is: it was something they wanted to get going with "in th...
What is an NP-complete in computer science?
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NP stands for Non-deterministic Polynomial time.
This means that the problem can be solved in Polynomial time using a Non-deterministic Turing machine (like a regular Turing machine but also including a non-deterministic "choice" function). Basically, a solution has to...