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Convert data.frame column to a vector?
... is a list. When you subset a data frame using the name of a column and [, what you're getting is a sublist (or a sub data frame). If you want the actual atomic column, you could use [[, or somewhat confusingly (to me) you could do aframe[,2] which returns a vector, not a sublist.
So try running th...
jQuery get specific option tag text
...looking for an element with id list which has a property value equal to 2.
What you want is the option child of the list:
$("#list option[value='2']").text()
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vs.
...bility with outdated browsers was that important, HTML would never evolve. What's important here is market share, specifically regarding browser versions.
– b1nary.atr0phy
Apr 7 '13 at 6:32
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gdb split view with code
...s interaction with the ui
highly configurable from Python: you can select what you want to output and how big each section is depending on what you are debugging.
The most useful views are already implemented: source, assembly, registers, stack, memory, threads, expressions... but it should be eas...
IOS 7 Navigation Bar text and arrow color
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This one took me about half a day to figure out but this is what worked for me.
Inside the rootViewController that initializes the navigationController, I put this code inside my viewDidAppear method:
//set bar color
[self.navigationController.navigationBar setBarTintColor:[UIColor c...
AngularJS: Basic example to use authentication in Single Page Application
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What if you want to display the username? Or if you're talking to a service with the username in the endpoint URLs?
– perrygeo
Sep 11 '13 at 11:28
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How to loop over files in directory and change path and add suffix to filename
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Since the Bash tag is used: that's what shopt nullglob is for! (or shopt failglob can be used too, depending on the behavior you want).
– gniourf_gniourf
Dec 18 '17 at 17:46
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A free tool to check C/C++ source code against a set of coding standards? [closed]
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I assume this is now whats called cpplint It can be found at github.com/google/styleguide/tree/gh-pages/cpplint , the link above to c++lint is broken.
– Zitrax
Dec 9 '15 at 15:30
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Flatten list of lists [duplicate]
... readable/intuitive. Since the OP is having trouble disambiguating between what lists are (sequences of data) and how lists are represented in code (with square brackets), I highly doubt a double list comprehension will make any sense to him/her.
– Platinum Azure
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How to write LDAP query to test if user is member of a group?
...st for immediate group memberships, and it will not test for membership in what is called the "primary group" (usually "cn=Users") in your domain. It does not handle nested memberships, e.g. User A is member of Group A which is member of Group B - that fact that User A is really a member of Group B ...