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jQuery.inArray(), how to use it right?

... The right way of using inArray(x, arr) is not using it at all, and using instead arr.indexOf(x). The official standard name is also more clear on the fact that the returned value is an index thus if the element passed is the first one you will get back a 0 (that is falsy in Javascr...
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How do I update pip itself from inside my virtual environment?

...ate pip itself? According to pip --version , I currently have pip 1.1 installed in my virtualenv and I want to update to the latest version. ...
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How to read from a file or STDIN in Bash?

... The following solution reads from a file if the script is called with a file name as the first parameter $1 otherwise from standard input. while read line do echo "$line" done < "${1:-/dev/stdin}" The substitution ${1:-...} takes $1 if defined otherwise the file name of t...
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Storing Images in PostgreSQL

...we see that image sizes, and number of images, are growing and growing, in all applications... We need some distinction between "original image" and "processed image", like thumbnail. As Jcoby's answer says, there are two options, then, I recommend: use blob (Binary Large OBject): for original imag...
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Open multiple Eclipse workspaces on the Mac

...but I have an app copy per workspace, and then add this to Info.plist: <string>-data</string><string>pathto/workspaces/myworkspace</string>. That plus a plugin to add icon badges based on workspace name, and I'm a happy camper. – Danny Thomas ...
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Is there a better way of writing v = (v == 0 ? 1 : 0); [closed]

I want to toggle a variable between 0 and 1. If it's 0 I want to set it to 1, else if it's 1 I want to set it to 0. 31 Answ...
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Scale image to fit a bounding box

...ed answer, the answer below is more accurate and is currently supported in all browsers if you have the option of using a background image. No, there is no CSS only way to do this in both directions. You could add .fillwidth { min-width: 100%; height: auto; } To the an element to always...
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Proper way to exit iPhone application?

... it to exit due to certain user actions. After cleaning up memory the app allocated, what's the appropriate method to call to terminate the application? ...
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Java lib or app to convert CSV to XML file? [closed]

...stream.XStream; public class CsvToXml { public static void main(String[] args) { String startFile = "./startData.csv"; String outFile = "./outData.xml"; try { CSVReader reader = new CSVReader(new FileReader(startFile)); String[] line = nul...
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How to create GUID / UUID?

...random() * 16 | 0, v = c == 'x' ? r : (r & 0x3 | 0x8); return v.toString(16); }); } console.log(uuidv4()); Update, 2015-06-02: Be aware that UUID uniqueness relies heavily on the underlying random number generator (RNG). The solution above uses Math.random() for brevity, how...