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Check if application is on its first run [duplicate]
I am new to android development and and I want to setup some of application's attributes based on Application first run after installation. Is there any way to find that the application is running for the first time and then to setup its first run attributes?
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find -exec a shell function in Linux?
Is there a way to get find to execute a function I define in the shell? For example:
14 Answers
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What is the difference between . (dot) and $ (dollar sign)?
What is the difference between the dot (.) and the dollar sign ($) ?
13 Answers
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How do I vertically center text with CSS? [duplicate]
.../div>
It only works for a single line of text though, because we set the line's height to the same height as the containing box element.
A more versatile approach
This is another way to align text vertically. This solution will work for a single line and multiple lines of text, but it ...
Calculate difference in keys contained in two Python dictionaries
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You can use set operations on the keys:
diff = set(dictb.keys()) - set(dicta.keys())
Here is a class to find all the possibilities: what was added, what was removed, which key-value pairs are the same, and which key-value pairs are ch...
Non-type template parameters
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How to determine the longest increasing subsequence using dynamic programming?
I have a set of integers. I want to find the longest increasing subsequence of that set using dynamic programming.
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Python Dictionary Comprehension
...(5)}
>>> print d
{0: 0, 1: 1, 2: 4, 3: 9, 4: 16}
If you want to set them all to True:
>>> d = {n: True for n in range(5)}
>>> print d
{0: True, 1: True, 2: True, 3: True, 4: True}
What you seem to be asking for is a way to set multiple keys at once on an existing dict...
How to center a subview of UIView
...y have your subview centered regardless of what your parent view center is set to.
– Old Name
Jul 23 '14 at 23:28
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Python argparse command line flags without arguments
... after -w on the command line. If you are just looking to flip a switch by setting a variable True or False, have a look at http://docs.python.org/dev/library/argparse.html#action (specifically store_true and store_false)
import argparse
parser = argparse.ArgumentParser()
parser.add_argument('-w',...