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How to search for occurrences of more than one space between words in a line
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This regex selects all spaces, you can use this and replace it with a single space
\s+
example in python
result = re.sub('\s+',' ', data))
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How to filter (key, value) with ng-repeat in AngularJs?
...s can only be applied to arrays and not objects, from angular's API -
"Selects a subset of items from array and returns it as a new array."
You have two options here:
1) move $scope.items to an array or -
2) pre-filter the ng-repeat items, like this:
<div ng-repeat="(k,v) in filterSecId(it...
What are the advantages of Sublime Text over Notepad++ and vice-versa? [closed]
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Sublime Text 2 has some neat features like multi cursor input, multiple selections etc that will make you immensely productive.
Good number of plugins and themes, and also support for those of Textmate means you can do anything with Sublime Text 2. I have moved from Notepad++ to Sublime Text 2 o...
How do I get the current username in Windows PowerShell?
...g the PowerShell instance)
$(Get-WMIObject -class Win32_ComputerSystem | select username).username -- @TwonOfAn on this other forum
Comparison
@Kevin Panko's comment on @Mark Seemann's answer deals with choosing one of the categories over the other:
[The Windows access token approach] is ...
How to check if a particular service is running on Ubuntu
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For Ubuntu (checked with 12.04)
You can get list of all services and select by color one of them with 'grep':
sudo service --status-all | grep postgres
Or you may use another way if you know correct name of service:
sudo service postgresql status
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retrieve links from web page using python and BeautifulSoup [closed]
...re anything not purely Python isn't allowed.
lxml.html also supports CSS3 selectors so this sort of thing is trivial.
An example with lxml and xpath would look like this:
import urllib
import lxml.html
connection = urllib.urlopen('http://www.nytimes.com')
dom = lxml.html.fromstring(connection.r...
pull out p-values and r-squared from a linear regression
... need. The beta, se, t and p vectors are stored in it. Get the p-values by selecting the 4th column of the coefficients matrix (stored in the summary object):
summary(fit)$coefficients[,4]
summary(fit)$r.squared
Try str(summary(fit)) to see all the info that this object contains.
Edit: I had ...
How to easily truncate an array with JavaScript?
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If you want to selectively pull elements out of an array, you can use the jQuery.grep method.
(from the jQuery docs)
var arr = [ 1, 9, 3, 8, 6, 1, 5, 9, 4, 7, 3, 8, 6, 9, 1 ];
$("div").text(arr.join(", "));
arr = jQuery.grep(arr, functi...
How to add anything in through jquery/javascript?
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You can select it and add to it as normal:
$('head').append('<link />');
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How to make grep only match if the entire line matches?
...ngs
Interpret PATTERN as a (list of) fixed strings
-x, --line-regexp
Select only those matches that exactly match the whole line.
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