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Iterating over each line of ls -l output
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answered May 18 '10 at 18:50
Randy ProctorRandy Proctor
6,39011 gold badge2121 silver badges2626 bronze badges
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Iterate over the lines of a string
...n script confirms the three functions are equivalent. With timeit (and a * 100 for foo to get substantial strings for more precise measurement):
$ python -mtimeit -s'import asp' 'list(asp.f3())'
1000 loops, best of 3: 370 usec per loop
$ python -mtimeit -s'import asp' 'list(asp.f2())'
1000 loops, b...
Putting an if-elif-else statement on one line?
...ator does work, but I still think that it's less readable:
>>> i=100
>>> a = 1 if i<100 else 2 if i>100 else 0
>>> a
0
>>> i=101
>>> a = 1 if i<100 else 2 if i>100 else 0
>>> a
2
>>> i=99
>>> a = 1 if i<100 else ...
Count with IF condition in MySQL query
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@mojuba not 100% the same, your trick returns null when COUNT (no conditions) would've returned 0. When COUNT would've returned anything but 0, but the SUM does return 0, your trick returns 0.
– Robin Kanters
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Node.js: Difference between req.query[] and req.params
...to change it to another?
– John
Jun 10 '15 at 2:00
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show 1 more comment
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Cannot set boolean values in LocalStorage?
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answered Jul 16 '10 at 8:46
kennytmkennytm
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Ruby on Rails: How do you add add zeros in front of a number if it's under 10?
...003:0> sprintf '%02d', 1
=> "01"
irb(main):004:0> sprintf '%02d', 10
=> "10"
You might want to reference the format table for sprintf in the future, but for this particular example '%02d' means to print an integer (d) taking up at least 2 characters (2) and left-padding with zeros inst...
Is “argv[0] = name-of-executable” an accepted standard or just a common convention?
...utable? Or is this just a common convention and not guaranteed to be true 100% of the time?
8 Answers
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Running bash script from within python
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10
Make sure that sleep.sh has execution permissions, and run it with shell=True:
#!/usr/bin/pyth...