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Remove all occurrences of a value from a list?
... I wouldn't call this solution the best. List comprehensions are faster and easier to understand while skimming through code. This would rather be more of a Perl way than Python.
– Peter Nimroot
Aug 13 '16 at 15:25
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How to assign colors to categorical variables in ggplot2 that have stable mapping?
...ata frames can become tedious if they are being pulled from separate files and not all factor levels appear in each file.
One way to address this is to create a custom manual colour scale as follows:
#Some test data
dat <- data.frame(x=runif(10),y=runif(10),
grp = rep(LETTERS[1:5],each ...
Run certain code every n seconds [duplicate]
...at case you'd better set t = threading.Timer &c, then t.daemon = True, and only then t.start() right before the print "Hello, World!".
– Alex Martelli
Aug 3 '10 at 5:46
6
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Javascript regex returning true.. then false.. then true.. etc [duplicate]
...e for example 'betamax'. When I press 'Check Username' it passes the regex and sends the username to the server. The server behaves as expected and returns '2' to tell the javascript that they are submitting their own username.
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Python argparse mutual exclusive group
...ns within the group mutually exclusive.
What you're looking for is subcommands. Instead of prog [ -a xxxx | [-b yyy -c zzz]], you'd have:
prog
command 1
-a: ...
command 2
-b: ...
-c: ...
To invoke with the first set of arguments:
prog command_1 -a xxxx
To invoke with the sec...
sqlalchemy unique across multiple columns
...queConstraint or Index constructs explicitly.
As these belong to a Table and not to a mapped Class, one declares those in the table definition, or if using declarative as in the __table_args__:
# version1: table definition
mytable = Table('mytable', meta,
# ...
Column('customer_id', Integ...
Unable to find a locale path to store translations for file __init__.py
...h {% trans %} in my templates. However, when I execute the following command in my app folder, I receive an error message:
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Undocumented NSURLErrorDomain error codes (-1001, -1003 and -1004) using StoreKit
I'm writing StoreKit-related code, and I'm getting some rather troubling error codes when I try to add a purchase to the queue.
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How to enable C++11/C++0x support in Eclipse CDT?
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I found this article in the Eclipse forum, just followed those steps and it works for me. I am using Eclipse Indigo 20110615-0604 on Windows with a Cygwin setup.
Make a new C++ project
Default options for everything
Once created, right-click the project and go to "Properties"
C/C++ Build -&...
The following sections have been defined but have not been rendered for the layout page “~/Views/Sha
I'm new to ASP MVC and utilizing the Intro to ASP MVC 4 Beta tutorial http://www.asp.net/mvc/tutorials/mvc-4/getting-started-with-aspnet-mvc4/intro-to-aspnet-mvc-4
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