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Python multiprocessing pool.map for multiple arguments
In the Python multiprocessing library, is there a variant of pool.map which supports multiple arguments?
19 Answers
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How do I set a variable to the output of a command in Bash?
I have a pretty simple script that is something like the following:
14 Answers
14
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How to detect when facebook's FB.init is complete
The old JS SDK had a function called FB.ensureInit. The new SDK does not seem to have such function... how can I ensure that I do not make api calls until it is fully initiated?
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How to use filter, map, and reduce in Python 3
filter , map , and reduce work perfectly in Python 2. Here is an example:
7 Answers
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Select Multiple Fields from List in Linq
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Anonymous types allow you to select arbitrary fields into data structures that are strongly typed later on in your code:
var cats = listObject
.Select(i => new { i.category_id, i.category_name })
.Distinct()
.OrderByDescending(i => i.category_name)
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Converting from longitude\latitude to Cartesian coordinates
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I have recently done something similar to this using the
"Haversine Formula" on WGS-84 data, which is a derivative of the "Law of Haversines" with very satisfying results.
Yes, WGS-84 assumes the Earth is an ellipsoid, but I believe you only get about a 0.5% average error using an approach...
How to wait in bash for several subprocesses to finish and return exit code !=0 when any subprocess
How to wait in a bash script for several subprocesses spawned from that script to finish and return exit code !=0 when any of the subprocesses ends with code !=0 ?
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.keyCode vs. .which
I thought this would be answered somewhere on Stack Overflow, but I can’t find it.
7 Answers
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Split column at delimiter in data frame [duplicate]
I would like to split one column into two within at data frame based on a delimiter. For example,
6 Answers
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Reload an iframe with jQuery
I have two iframes on a page and one makes changes to the other but the other iframe doesn't show the change until I refresh. Is there an easy way to refresh this iframe with jQuery?
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