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JavaScript arrays braces vs brackets

... The first and third are equivalent and create a new array. The second creates a new empty object, not an array. var myArray = []; //create a new array var myArray = {}; //creates **a new empty object** var myArray = new Array(); //create a new array ...
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Does Ruby regular expression have a not match operator like “!~” in Perl?

I just want to know whether ruby regex has a not match operator just like !~ in perl. I feel it's inconvenient to use (?!xxx) or (?<!xxxx) because you cannot use regex patterns in the xxx part. ...
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presentModalViewController:Animated is deprecated in ios6

I am using the following code for an image picker. But when I run it in the simulator, I have a memory leak and I get a warning about presentModalViewcontroller:animated being deprecated in iOS6. I also get dismissModalViewController:animated deprecated. I'm using the SDK 6.1. ...
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Understand homebrew and keg-only dependencies

I've recently started using homebrew, and I'm a bit confused as to what happens when I brew something onto my system, but its brewed dependencies are keg-only, meaning that they are linked under /usr/local . ...
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Keyboard shortcuts in WPF

I know about using _ instead of & , but I'm looking at all the Ctrl + type shortcuts. 10 Answers ...
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SQL function as default parameter value?

I tried changing a default parameter value with this: 6 Answers 6 ...
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express 4.0 , express-session with odd warning message

I am trying to work through setting up a nodejs app using express 4.x. After stumbling through the middleware-removal issues, I finally got it working. ...
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How to use the CSV MIME-type?

In a web application I am working on, the user can click on a link to a CSV file. There is no header set for the mime-type, so the browser just renders it as text. I would like for this file to be sent as a .csv file, so the user can directly open it with calc, excel, gnumeric, etc. ...
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How to test if one java class extends another at runtime?

How to I test if a is a subclass of b ? 3 Answers 3 ...
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How do you turn off auto-capitalisation in HTML form fields in iOS?

By default, iOS’s keyboard sets the first letter in text form fields (including type=email ) to uppercase. (At least prior to iOS 5.) ...