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How to determine if Javascript array contains an object with an attribute that equals a given value?

... You don't need a flag if all you need to know is whether or not "something" is in, you can just check the value of the scan index with the size of array. For this to work the index var needs to be declared before the for statement of course. – A...
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How to tell if UIViewController's view is visible

I have a tab bar application, with many views. Is there a way to know if a particular UIViewController is currently visible from within the UIViewController ? (looking for a property) ...
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Animate scrollTop not working in firefox

.... var element = ( html.scrollTop === newY ) ? 'html' : 'body'; // now reset back to the starting position window.scrollTo(0, startingY); return element; } // store the element selector name in a global var - // we'll use this as the selector for our page scrolling animation. scrol...
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Retrieving the last record in each group - MySQL

... MySQL 8.0 now supports windowing functions, like almost all popular SQL implementations. With this standard syntax, we can write greatest-n-per-group queries: WITH ranked_messages AS ( SELECT m.*, ROW_NUMBER() OVER (PARTITION BY nam...
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Return first N key:value pairs from dict

... This answer is no longer correct. Python dicts now preserve insertion order, and this is explicitly documented. – Konrad Rudolph Sep 22 at 12:30 1 ...
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Margin while printing html page

... This works now in Chrome 18 and IE9 (didn't test earlier versions). Still not working in Firefox 12, but you could do a server-side detection and add a body class <body class="firefox"> so in your css you can do body.firefox {mar...
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check android application is in foreground or not? [duplicate]

...regroud = new ForegroundCheckTask().execute(context).get(); Also let me know if I misunderstand.. UPDATE: Look at this SO question Determining the current foreground application from a background task or service fore more information.. Thanks.. ...
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Launching Google Maps Directions via an intent on Android

... Navigation intents seem to be officially supported now: developers.google.com/maps/documentation/android/… – Sanketh Katta Feb 15 '15 at 1:59 ...
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Expand/collapse section in UITableView in iOS

... headers that are already there will be a pain. Based on the way they work now, I am not sure you can easily get actions out of them. You could set up a cell to LOOK like a header, and setup the tableView:didSelectRowAtIndexPath to manually expand or collapse the section it is in. I'd store an arra...
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How to send a GET request from PHP?

...ng is just part of the string. There's no reason a server would ignore it. Now, obviously, file_get_contents doesn't let you make the request with custom cookies, headers, and other things that a browser would typically send, so you might not get the response you were looking for. In that case, you'...