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Array.push() if does not exist?
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http://api.jquery.com/jQuery.unique/
var cleanArray = $.unique(clutteredArray);
you might be interested in makeArray too
The previous example is best in saying that check if it exists before pushing.
I see in hindsight it...
Is there a way to check which CSS styles are being used or not used on a web page?
...the CSS audit tool in Chrome now for the same purpose. Some details here:
http://meeech.amihod.com/very-useful-find-unused-css-rules-with-google
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How do I run Python code from Sublime Text 2?
...ild
Fn + C (OSX)
You can find out where your Break key is here: http://en.wikipedia.org/wiki/Break_key.
Note: CTRL + C will NOT work.
What to do when Ctrl + Break does not work:
Go to:
Preferences -> Key Bindings - User
and paste the line below:
{"keys": ["ctrl+shift+c...
How to remove “disabled” attribute using jQuery?
....preventDefault();
$('.inputDisabled').removeAttr("disabled")
});
http://jsfiddle.net/ZwHfY/
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Retrieve column names from java.sql.ResultSet
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You can use the the ResultSetMetaData (http://java.sun.com/javase/6/docs/api/java/sql/ResultSetMetaData.html) object for that, like this:
ResultSet rs = stmt.executeQuery("SELECT * FROM table");
ResultSetMetaData rsmd = rs.getMetaData();
String firstColumnName = ...
New line in text area
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I've found String.fromCharCode(13, 10) helpful when using view engines.
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/fromCharCode
This creates a string with the actual newline characters in it and so forces the view engine to output a newline rather tha...
Git-Based Source Control in the Enterprise: Suggested Tools and Practices?
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I highly recommend http://code.google.com/p/gerrit/ for enterprise work. It gives you access control plus a built-in review based workflow. It authenticates against any LDAP system. You can hook it up to Hudson with http://wiki.hudson-ci.org...
Shuffling a list of objects
...ng sample(a, len(a)) is the solution, using len(a) as the sample size. See https://docs.python.org/3.6/library/random.html#random.sample for the Python documentation.
Here's a simple version using random.sample() that returns the shuffled result as a new list.
import random
a = range(5)
b = rando...
How to use if-else option in JSTL
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you have to use this code:
with <%@ taglib prefix="c" uri="http://www.springframework.org/tags/form"%>
and
<c:select>
<option value="RCV"
${records[0].getDirection() == 'RCV' ? 'selected="true"' : ''}>
<spring:message co...
Check if SQL Connection is Open or Closed
...then Re-opening the connection "will refresh the value of State."
See here http://msdn.microsoft.com/en-us/library/system.data.sqlclient.sqlconnection.state(v=vs.110).aspx
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