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How is a non-breaking space represented in a JavaScript string?
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  is a HTML entity. When doing .text(), all HTML entities are decoded to their character values.
Instead of comparing using the entity, compare using the actual raw character:
var x = td.text();
if (x == '\xa0') { // Non-breakable space is char 0xa0 (160 de...
Advantages of stateless programming?
...ctional mindset, but there are some situations that just seem overly complex without the ability to save state in an easy way (I don't consider Haskell's monads 'easy').
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How to call one shell script from another shell script?
...e are a couple of different ways you can do this:
Make the other script executable, add the #!/bin/bash line at the top, and the path where the file is to the $PATH environment variable. Then you can call it as a normal command;
Or call it with the source command (alias is .) like this: source /pa...
How to get a group of toggle buttons to act like radio buttons in WPF?
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The easiest way is to style a ListBox to use ToggleButtons for its ItemTemplate
<Style TargetType="{x:Type ListBox}">
<Setter Property="ListBox.ItemTemplate">
<Setter.Value>
<DataTemplate>
<Tog...
Max or Default?
What is the best way to get the Max value from a LINQ query that may return no rows? If I just do
17 Answers
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How do I find which rpm package supplies a file I'm looking for?
As an example, I am looking for a mod_files.sh file which presumably would come with the php-devel package. I guessed that yum would install the mod_files.sh file with the php-devel x86_64 5.1.6-23.2.el5_3 package, but the file appears to not to be installed on my filesystem.
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Reshaping data.frame from wide to long format
...ou can use the same melt function as in the reshape2 package (which is an extended & improved implementation). melt from data.table has also more parameters that the melt-function from reshape2. You can for example also specify the name of the variable-column:
library(data.table)
long <- mel...
Cosine Similarity between 2 Number Lists
...d to calculate the cosine similarity between two lists , let's say for example list 1 which is dataSetI and list 2 which is dataSetII . I cannot use anything such as numpy or a statistics module. I must use common modules (math, etc) (and the least modules as possible, at that, to reduce tim...
How do I write JSON data to a file?
... - data is a dictionary and not yet JSON-encoded. Write it like this for maximum compatibility (Python 2 and 3):
import json
with open('data.json', 'w') as f:
json.dump(data, f)
On a modern system (i.e. Python 3 and UTF-8 support), you can write a nicer file with
import json
with open('data....
Octave-Gnuplot-AquaTerm error: set terminal aqua enhanced title “Figure 1”…unknown terminal type"
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I had to add setenv("GNUTERM","X11") to OCTAVE_HOME/share/octave/site/m/startup/octaverc (OCTAVE_HOME usually is /usr/local) to make it work permanently.
Solution found and more details on: http://www.mac-forums.com/forums/os-x-apps-games/242997-plots-oct...