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Why does parseInt yield NaN with Array#map?
...e as not supplying the parameter, so it defaulted based on the input (base 10, in this case). Base 1 is an impossible number base, and 3 is not a valid number in base 2:
parseInt('1', 0); // OK - gives 1
parseInt('2', 1); // FAIL - 1 isn't a legal radix
parseInt('3', 2); // FAIL - 3 isn't legal in...
How is Pythons glob.glob ordered?
...
Order is arbitrary, but you can sort them yourself
If you want sorted by name:
sorted(glob.glob('*.png'))
sorted by modification time:
import os
sorted(glob.glob('*.png'), key=os.path.getmtime)
sorted by size:
import os
sorted(g...
How to Implement Custom Table View Section Headers and Footers with Storyboard
... above 200.
– Benjohn
Jul 15 '15 at 10:07
5
The difference is that with the hack from Tieme you c...
App store link for “rate/review this app”
...ad Zaid Pathan
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answered Jul 2 '10 at 15:20
elibudelibud
7,69922 gold bad...
Check variable equality against a list of values
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Is there a reason for the bitshift when you define len if you aren't actually shifting bits? Is there some implicit coercion going on here?
– jaredad7
Sep 4 '18 at 15:52
Meaning of tilde in Linux bash (not home directory)
...cond reads from the password file (approximately; NIS complicates things a bit) and finds that the password file says my home directory is /u/jleffler and changes to that directory.
The annoying stuff is that most software behaves as above (and the POSIX specification for the shell requires this be...
MySQL Conditional Insert
...lues (919191, 123, 456)
ON DUPLICATE KEY UPDATE user=123
the user=123 bit is a "no-op" to match the syntax of the ON DUPLICATE clause without actually doing anything when there are duplicates.
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Remove all whitespaces from NSString
...ntage of handling every whitespace character and not only spaces, but is a bit less efficient that the stringByReplacingOccurrencesOfString:withString:. So if you really only need to remove the space character and are sure you won't have any other whitespace character than the plain space char, use ...
How to return an empty ActiveRecord relation?
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where('1=2') might be bit more concise
– Marcin Raczkowski
Mar 14 '14 at 2:12
10
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Why do we need the “finally” clause in Python?
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try: #x = Hello + 20 x = 10 + 20 except: print 'I am in except block' x = 20 + 30 else: print 'I am in else block' x += 1 finally: print 'Finally x = %s' %(x)
– Abhijit Sahu
Oct 2 '17 at 6:3...