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Shell equality operators (=, ==, -eq)
...eUploader: {
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Learning Python from Ruby; Differences and Similarities
...l read and write access to variables from the outer scope.
Python has list comprehensions, which are pretty expressive. For example, if you have a list of numbers, you can write
[x*x for x in values if x > 15]
to get a new list of the squares of all values greater than 15. In Ruby, you'd hav...
Why use sprintf function in PHP?
I am trying to learn more about the PHP function sprintf() but php.net did not help me much as I am still confused, why would you want to use it?
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Can I change all my http:// links to just //?
...hosted asset. Using a local web server like Apache or IIS to test against http://localhost addresses works fine though.
Apparently there's at least one iPhone feed reader app that does not handle the protocol-less URLs correctly. I'm not aware of which one has the problem or how popular it is. Fo...
Reverse a string in Python
There is no built in reverse function for Python's str object. What is the best way of implementing this method?
28 Ans...
Any way to limit border length?
... This still seems the best way to do it. It's cross browser compatible and easy in maintenance.
– Pim Schaaf
Apr 25 '12 at 8:40
1
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Check if multiple strings exist in another string
...[] around your argument to any(). any([x in str for x in a]) so that the comprehension returns an iterable. But maybe later versions of Python already do this.
– emispowder
Mar 27 '13 at 1:06
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What is the difference between memoization and dynamic programming?
... the results
of subproblems to avoid computing the same results again.
http://www.geeksforgeeks.org/dynamic-programming-set-1/
Memoization is an easy method to track previously solved solutions (often implemented as a hash key value pair, as opposed to tabulation which is often based on arrays)...
IOCTL Linux device driver [closed]
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Another method for heavier use is netlink, which is an IPC (inter-process communication) method to talk to your driver over a BSD socket interface. This is used, for example, by the WiFi drivers. You then communicate with it from userspace using the libnl or libnl3 libraries.
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Add params to given URL in Python
Suppose I was given a URL.
It might already have GET parameters (e.g. http://example.com/search?q=question ) or it might not (e.g. http://example.com/ ).
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