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Returning value from called function in a shell script
...also true for some other shells.
Here's how to do each of those options:
1. Echo strings
lockdir="somedir"
testlock(){
retval=""
if mkdir "$lockdir"
then # Directory did not exist, but it was created successfully
echo >&2 "successfully acquired lock: $lockdir"
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Get loop count inside a Python FOR loop
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edited Jun 21 '18 at 5:09
answered Jul 1 '10 at 23:02
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WAMP/XAMPP is responding very slow over localhost
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112
I had the same problem running on Windows 8 running on 64bit. Apache is really slow but when y...
Is there a Python Library that contains a list of all the ascii characters?
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164
The string constants may be what you want. (docs)
>>> import string
>>> st...
COUNT DISTINCT with CONDITIONS
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261
You can try this:
select
count(distinct tag) as tag_count,
count(distinct (case when entryI...
surface plots in matplotlib
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122
For surfaces it's a bit different than a list of 3-tuples, you should pass in a grid for the d...
Google Maps API v3: How do I dynamically change the marker icon?
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182
Call the marker.setIcon('newImage.png')... Look here for the docs.
Are you asking about the a...
How to create NS_OPTIONS-style bitmask enumerations in Swift?
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15 Answers
15
Active
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Maven dependency for Servlet 3.0 API?
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10 Answers
10
Active
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Simple (non-secure) hash function for JavaScript? [duplicate]
...o the 32 character hexadecimal string that's the typical output of MD5, SHA1, etc. It doesn't have to be cryptographically secure, just reasonably resistant to collisions. (My initial use case is URLs, but I'll probably want to use it on other strings in the future.)
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