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git produces Gtk-WARNING: cannot open display
I've been working on my project remotely through the command line on a machine to which I don't have admin rights and after running git push origin master I get the following error message:
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Singletons vs. Application Context in Android?
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I very much disagree with Dianne Hackborn's response. We are bit by bit removing all singletons from our project in favor of lightweight, task scoped objects which can easiliy be re-created when you actually need them.
Singletons are a nightmare for testing and,...
When to use an object instance variable versus passing an argument to the method
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Since you're referring to instance variables, I'm assuming that you're working in an object-oriented language. To some degree, when to use instance variables, how to define their scope, and when to use local variables is subjective, but there are a couple of rules of thumb you can follow whenever...
How to produce a range with step n in bash? (generate a sequence of numbers with increments)
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I'd do
for i in `seq 0 2 10`; do echo $i; done
(though of course seq 0 2 10 will produce the same output on its own).
Note that seq allows floating-point numbers (e.g., seq .5 .25 3.5) but bash's brace expansion only allows intege...
Checking out Git tag leads to “detached HEAD state”
I'm developing a deployment script for my git project and I just started using tags. I've added a new tag called v2.0 :
2 ...
Algorithm to generate all possible permutations of a list?
Say I have a list of n elements, I know there are n! possible ways to order these elements. What is an algorithm to generate all possible orderings of this list? Example, I have list [a, b, c]. The algorithm would return [[a, b, c], [a, c, b,], [b, a, c], [b, c, a], [c, a, b], [c, b, a]].
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Converting dict to OrderedDict
I am having some trouble using the collections.OrderedDict class. I am using Python 2.7 on Raspbian, the Debian distro for Raspberry Pi. I am trying to print two dictionaries in order for comparison (side-by-side) for a text-adventure. The order is essential to compare accurately.
No matter what I...
jQuery on window resize
...u're just stylizing things on resize (media queries))
http://jsfiddle.net/CoryDanielson/LAF4G/
css
.footer
{
/* default styles applied first */
}
@media screen and (min-height: 820px) /* height >= 820 px */
{
.footer {
position: absolute;
bottom: 3px;
left:...
Completely cancel a rebase
I performed a rebase like this:
4 Answers
4
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Difference between .tagName and .nodeName
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The tagName property is meant specifically for element nodes (type 1 nodes) to get the type of element.
There are several other types of nodes as well (comment, attribute, text, etc.). To get the name of any of the various node types, you can use the nodeName propert...