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Use of “global” keyword in Python
...in why global variables are not a good solution? I often hear this, but in my current project they seem to do just what I need them to do. Is there something more sinister I haven't thought of?
– Robin Newhouse
Oct 18 '13 at 13:05
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What does a \ (backslash) do in PHP (5.3+)?
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is it safe to remove it if my server is causing an error?
– Robert Sinclair
Apr 1 '16 at 3:29
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Group by multiple columns in dplyr, using string vector input
I'm trying to transfer my understanding of plyr into dplyr, but I can't figure out how to group by multiple columns.
9 Answ...
With Mercurial, how can I “compress” a series of changesets into one before pushing?
...in changesets 100 through 110, inclusive
Create a patch:
% hg export -o mypatch 100:110 --git
Update to 99:
% hg update 99
Apply the patch with --no-commit (otherwise you'll get all your changesets back):
% hg import --no-commit mypatch
Commit all changes at once:
% hg commit
You now have two ...
How can I verify if a Windows Service is running
..., this service typically takes some time to start. I'd like to check, from my code, if the service is running. How can I accomplish this?
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How do I translate an ISO 8601 datetime string into a Python datetime object? [duplicate]
...so8601 has a couple of issues (check their tracker) that I ran into during my usage and it hasn't been updated in a few years. dateutil, by contrast, has been active and worked for me:
import dateutil.parser
yourdate = dateutil.parser.parse(datestring)
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What is the difference between int, Int16, Int32 and Int64?
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For Matthew T. Baker and any others like myself who came here trying to decide which to use from a performance standpoint, you should check out this post that suggests Integer is more efficient than Int16 in many cases: stackoverflow.com/questions/129023/net-integer...
Where to place JavaScript in an HTML file?
.... Something like this:
<html>
<head>
<title>My awesome page</title>
<!-- CSS -->
<link rel="stylesheet" type="text/css" href="...">
<link rel="stylesheet" type="text/css" href="...">
<link rel="stylesheet" typ...
How can you determine a point is between two other points on a line segment?
... pretty inconsistent way to define betweenness. I posted an alternative in my answer.
– Darius Bacon
Nov 30 '08 at 19:21
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How to sum a variable by group
...uld end up as, for example, 1, 3, 4, 7 after collapsing with aggregate. In my case I like aggregate because it works over many columns automatically.
– QAsena
Jun 24 at 20:32
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