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Guards vs. if-then-else vs. cases in Haskell
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From a technical standpoint, all three versions are equivalent.
That being said, my rule of thumb for styles is that if you can read it as if it was English (read | as "when", | otherwise as "otherwise" and = as "is" or "be"), you're probably ...
Does name length impact performance in Redis?
...ET (10 keys)",cmd,len);
free(cmd);
- len = redisFormatCommand(&cmd,"SET foo:rand:000000000000 %s",data);
+ len = redisFormatCommand(&cmd,"SET foo %s",data);
benchmark("SET",cmd,len);
free(cmd);
- len = redisFormatCommand(&cmd,"GET foo:ran...
What does “1 line adds whitespace errors” mean when applying a patch?
I'm editing some markdown files of a cloned remote repository, and wanted to test creating and applying patches from one branch to another. However, every time I make any change at all, I get the following message during git apply :
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What is the difference between class and instance attributes?
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Only the mutable types are shared. Like for int and str they still attached with each instances rather than class.
– Babu
Jul 17 '14 at 11:59
11
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How can I prevent Visual Studio 2013 from closing my IIS Express app when I end debugging?
Previously in 2012, if I debugged in Chrome (for example), and then stopped the debugger, the website would remain running in IIS Express. This no longer seems to be the case in 2013.
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Generating a random & unique 8 character string using MySQL
...nsists of two very different sub-problems:
the string must be seemingly random
the string must be unique
While randomness is quite easily achieved, the uniqueness without a retry loop is not. This brings us to concentrate on the uniqueness first. Non-random uniqueness can trivially be achieved w...
Deleting an element from an array in PHP
...n use unset() or alternatively \array_splice().
Also if you have the value and don't know the key to delete the element you can use \array_search() to get the key.
unset()
Note that when you use unset() the array keys won't change/reindex. If you want to reindex the keys you can use \array_values() ...
Why do == comparisons with Integer.valueOf(String) give different results for 127 and 128?
...returning an Integer object, which may have its values cached between -128 and 127. This is why the first value returns true - it's cached - and the second value returns false - 128 isn't a cached value, so you're getting two separate Integer instances.
It is important to note that you are compari...
Python - doctest vs. unittest [closed]
I'm trying to get started with unit testing in Python and I was wondering if someone could explain the advantages and disadvantages of doctest and unittest.
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Asynchronous Requests with Python requests
...was written. However, you could just replace requests with grequests below and it should work.
I've left this answer as is to reflect the original question which was about using requests < v0.13.0.
To do multiple tasks with async.map asynchronously you have to:
Define a function for what yo...