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Convert a negative number to a positive one in JavaScript
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742
You could use this...
Math.abs(x)
Math.abs() | MDN
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Good open source django project for learning [closed]
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94
A great resource is www.djangopackages.com, which lists a lot of the notable Django apps out the...
Why does Google prepend while(1); to their JSON responses?
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4333
It prevents JSON hijacking, a major JSON security issue that is formally fixed in all major b...
AES Encryption for an NSString on the iPhone
...oz reports that CommonCrypto is part of the Core OS on the iPhone. Both 10.4 and 10.5 have /usr/include/CommonCrypto, although 10.5 has a man page for CCCryptor.3cc and 10.4 doesn't, so YMMV.
EDIT: See this follow-up question on using Base64 encoding for representing encrypted data bytes as a str...
Java Naming Convention with Acronyms [closed]
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241
Since it looks like the answer is that there is no single standard for this in Java, I'd like t...
Share Large, Read-Only Numpy Array Between Multiprocessing Processes
...ariable.
From the discussion page you linked, it appears that support for 64-bit Linux was added to sharedmem a while back, so it could be a non-issue.
I don't know about this one.
No. Refer to example below.
Example
#!/usr/bin/env python
from multiprocessing import Process
import sharedmem
impor...
How to change navbar collapse threshold using Twitter bootstrap-responsive?
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14 Answers
14
Active
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Search and replace in bash using regular expressions
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Use sed:
MYVAR=ho02123ware38384you443d34o3434ingtod38384day
echo "$MYVAR" | sed -e 's/[a-zA-Z]/X/g' -e 's/[0-9]/N/g'
# prints XXNNNNNXXXXNNNNNXXXNNNXNNXNNNNXXXXXXNNNNNXXX
Note that the subsequent -e's are processed in order. Also, the g flag for the ex...
How to detect the end of loading of UITableView
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224
Improve to @RichX answer:
lastRow can be both [tableView numberOfRowsInSection: 0] - 1 or ((NSIn...
What's the difference between commit() and apply() in SharedPreferences
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edited Dec 22 '14 at 14:05
Micer
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