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How to remove all click event handlers using jQuery?
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Reshaping data.frame from wide to long format
...ed with r-faq, I felt it would be useful to share another alternative from base R: stack.
Note, however, that stack does not work with factors--it only works if is.vector is TRUE, and from the documentation for is.vector, we find that:
is.vector returns TRUE if x is a vector of the specified mo...
Deleting rows with MySQL LEFT JOIN
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How to install JSTL? The absolute uri: http://java.sun.com/jstl/core cannot be resolved
.../reuse the EL logic in plain JSP too).
So, fix the taglib URI accordingly based on JSTL documentation:
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
Further you need to make absolutely sure that you do not throw multiple different versioned JSTL JAR files together into t...
A Better Django Admin ManyToMany Field Widget
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Is there a download function in jsFiddle?
...wnloads the fiddle as well as its external resources. The steps given are based on using Google Chrome. Using other web browsers should work as well, but they may use different filenames.
Select the "Share/Embed" menu/link at the top of the JSFiddle edit page. In the dialog box that appears, co...
Start ssh-agent on login
...n Arch Linux, the following works really great (should work on all systemd-based distros):
Create a systemd user service, by putting the following to ~/.config/systemd/user/ssh-agent.service:
[Unit]
Description=SSH key agent
[Service]
Type=simple
Environment=SSH_AUTH_SOCK=%t/ssh-agent.socket
Exec...
Method can be made static, but should it?
...ct the message to non-virtual methods, since it would be very common for a base-class method to do practically nothing. Override methods would usually do something, but not always. Sometimes it's useful to have a class for something like an empty iEnumerable, whose methods essentially ignore the i...
How do I select an element in jQuery by using a variable for the ID?
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Large Numbers in Java
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