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Is it possible to ping a server from Javascript?
...ther parts of the source but you get the idea).
function Pinger_ping(ip, callback) {
if(!this.inUse) {
this.inUse = true;
this.callback = callback
this.ip = ip;
var _that = this;
this.img = new Image();
this.img.onload = function() {_that.good();};
this.img.onerro...
Regular expression for exact match of a string
I want to match two passwords with regular expression. For example I have two inputs "123456" and "1234567" then the result should be not match (false). And when I have entered "123456" and "123456" then the result should be match (true).
...
Confusion between factor levels and factor labels
There seems to be a difference between levels and labels of a factor in R.
Up to now, I always thought that levels were the 'real' name of factor levels, and labels were the names used for output (such as tables and plots). Obviously, this is not the case, as the following example shows:
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`elif` in list comprehension conditionals
Can we use elif in list comprehension?
6 Answers
6
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Matplotlib different size subplots
I need to add two subplots to a figure. One subplot needs to be about three times as wide as the second (same height). I accomplished this using GridSpec and the colspan argument but I would like to do this using figure so I can save to PDF. I can adjust the first figure using the figsize ar...
How do I do an initial push to a remote repository with Git?
I've read through countless tutorials and I keep coming up short. Here's what I've got:
6 Answers
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How to load program reading stdin and taking parameters in gdb?
Question cribbed from here .
Unfortunately I don't understand the solution and am not sure what to do beyond compiling with the -g option and running the command M-x gdb.
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What's the best way to get the current URL in Spring MVC?
I'd like to create URLs based on the URL used by the client for the active request. Is there anything smarter than taking the current HttpServletRequest object and it's getParameter...() methods to rebuilt the complete URL including (and only) it's GET parameters.
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Install MySQL on Ubuntu without a password prompt
How do I write a script to install MySQL server on Ubuntu?
4 Answers
4
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git-svn: how do I create a new svn branch via git?
I have a git repository which tracks an svn repository. I cloned it using --stdlayout .
3 Answers
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