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Get the device width in javascript

... than the device screen size. Typically, when dealing with mobile devices AND desktop browsers I use the following: var width = (window.innerWidth > 0) ? window.innerWidth : screen.width; share | ...
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Test if a variable is set in bash when using “set -o nounset”

... I tried this and I'm surprised this works... Everything is correct except according to "info bash", "${WHATEVER-}" should have a ":" (colon) before the "-" (dash) like: "${WHATEVER:-}", and "${WHATEVER+defined}" should have a colon before...
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how do I initialize a float to its max/min value?

...? I want to search out the max/min of an array by simply iterating through and catching the largest. 5 Answers ...
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How do I correctly detect orientation change using Phonegap on iOS?

...s works correctly in the iOS simulator on mobile Safari but doesn’t get handled correctly in Phonegap. My project is running into the same issue that is killing this test page. Is there a way to sense the orientation change using JavaScript in Phonegap? ...
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Differences between lodash and underscore [closed]

...nsistent cross-environment iteration support for arrays, strings, objects, and arguments objects1. It has since become a superset of Underscore, providing more consistent API behavior, more features (like AMD support, deep clone, and deep merge), more thorough documentation and unit tests (tests whi...
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Which comment style should I use in batch files?

I've been writing some batch files, and I ran into this user guide , which has been quite informative. One thing it showed me was that lines can be commented not just with REM , but also with :: . It says: ...
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MongoDB vs. Cassandra [closed]

...e hot data set fits in memory. Both also emphasize join-less data models (and encourage denormalization instead), and both provide indexes on documents or rows, although MongoDB's indexes are currently more flexible. Cassandra's storage engine provides constant-time writes no matter how big your d...
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How do I use vimdiff to resolve a git merge conflict?

I just merged a branch into my master in git and I got Automatic merge failed; fix conflicts and then commit the result. Now I ran git mergetool and vimdiff opened with the image below. I don't know how to use vimdiff. What does each panel here mean and how should I proceed to fix the merge conf...
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HttpListener Access Denied

...es.Add("http://*:4444/"); must match EXACTLY with the one in the netsh command. For example, I had httpListener.Prefixes.Add("http://127.0.0.1:80/"); and the same netsh command you have, and the HttpListenerException will still be thrown. I needed to change httpListener.Prefixes.Add("http://+:80/"...
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Getting reference to the top-most view/window in iOS application

...IAlertView. When I init the manager that listens for NSNotification events and adds views in response, I need to get a reference to the top-most view in the application. This is what I have at the moment: ...