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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...
How to initialize all members of an array to the same value?
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1276
Unless that value is 0 (in which case you can omit some part of the initializer
and the corre...
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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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...
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...
Turn a number into star rating display using jQuery and CSS
...ugin and was wondering how to adapt that plugin to turn a number (like 4.8618164) into a 4.8618164 stars filled out of 5. Basically interpreting a number
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How to test multiple variables against a value?
...bout the same comparison for all names here. You are looking for:
if x == 1 or y == 1 or z == 1:
x and y are otherwise evaluated on their own (False if 0, True otherwise).
You can shorten that using a containment test against a tuple:
if 1 in (x, y, z):
or better still:
if 1 in {x, y, z}:
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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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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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Example of Named Pipes
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174
using System;
using System.IO;
using System.IO.Pipes;
using System.Linq;
using System.Text;
us...