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jQuery’s .bind() vs. .on()

... Internally, .bind maps directly to .on in the current version of jQuery. (The same goes for .live.) So there is a tiny but practically insignificant performance hit if you use .bind instead. However, .bind may be removed from futu...
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How to select unique records by SQL

... answered Oct 29 '09 at 5:09 mjalldaymjallday 8,52877 gold badges4747 silver badges6868 bronze badges ...
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$(document).ready equivalent without jQuery

...ent if ( document.addEventListener ) { // Use the handy event callback document.addEventListener( "DOMContentLoaded", function(){ document.removeEventListener( "DOMContentLoaded", arguments.callee, false ); jQuery.ready(); }, false ); // If IE...
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Difference between Math.Floor() and Math.Truncate()

...seems, simply because it can round to a specific number of decimal places. All the others round to zero decimals always. For example: n = 3.145; a = System.Math.Round (n, 2, MidpointRounding.ToEven); // 3.14 b = System.Math.Round (n, 2, MidpointRounding.AwayFromZero); // 3.15 With the other...
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How do you search for files containing DOS line endings (CRLF) with grep on Linux?

...acters. By default it does this it if it decides it's a text file. -r read all files under each directory recursively. share | improve this answer | follow | ...
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How do I make a LinearLayout scrollable?

...it from the adapter functionality of the ListView, then you can simply add all the elements of your list in a LinearLayout wrapper to make it feel all streamlined in the scrollable box along with other elements. – Atharva Sep 19 '14 at 10:37 ...
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Append a NumPy array to a NumPy array

... Well, the error message says it all: NumPy arrays do not have an append() method. There's a free function numpy.append() however: numpy.append(M, a) This will create a new array instead of mutating M in place. Note that using numpy.append() involves c...
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What is the _snowman param in Ruby on Rails 3 forms for?

...net Explorer (5, 6, 7 and 8) to encode its parameters as unicode. Specifically, this bug can be triggered if the user switches the browser's encoding to Latin-1. To understand why a user would decide to do something seemingly so crazy, check out this google search. Once the user has put the web-sit...
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What are the special dollar sign shell variables?

... $3, ... are the positional parameters. "$@" is an array-like construct of all positional parameters, {$1, $2, $3 ...}. "$*" is the IFS expansion of all positional parameters, $1 $2 $3 .... $# is the number of positional parameters. $- current options set for the shell. $$ pid of the current shell (...
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How to upgrade Eclipse for Java EE Developers?

Is there any non-painful way to upgrade an Eclipse installation? I have tried browsing the eclipse site but I cannot find an useful description. ...