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UICollectionView inside a UITableViewCell — dynamic height?

...mic number of items, resulting in a height which must be calculated dynamically as well. However, I am running into problems trying to calculate the height of the embedded UICollectionView . ...
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Difference between Convert.ToString() and .ToString()

... var arg = Request.Params.Get("__EVENTARGUMENT"); string _arg = Convert.ToString(arg); _arg is not returing String.Empty when arg is null. why? – vml19 Mar 12 '12 at 3:33 ...
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Uploading images using Node.js, Express, and Mongoose

...b. // Expose modules in ./support for demo purposes require.paths.unshift(__dirname + '/../../support'); /** * Module dependencies. */ var express = require('../../lib/express') , form = require('connect-form'); var app = express.createServer( // connect-form (http://github.com/visionmedia...
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How can I tell if I'm running in 64-bit JVM or 32-bit JVM (from within a program)?

... 64 bit version is running, you'll get a message like: java version "1.6.0_18" Java(TM) SE Runtime Environment (build 1.6.0_18-b07) Java HotSpot(TM) 64-Bit Server VM (build 16.0-b13, mixed mode) A 32 bit version will show something similar to: java version "1.6.0_41" Java(TM) SE Runtime Environm...
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How to check if a number is a power of 2

...nd only if both its operands are true. Now let's take a look at how this all plays out: The function returns boolean (true / false) and accepts one incoming parameter of type unsigned long (x, in this case). Let us for the sake of simplicity assume that someone has passed the value 4 and called ...
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How are echo and print different in PHP? [duplicate]

... From: http://web.archive.org/web/20090221144611/http://faqts.com/knowledge_base/view.phtml/aid/1/fid/40 Speed. There is a difference between the two, but speed-wise it should be irrelevant which one you use. echo is marginally faster since it doesn't set a return value if you really want to ge...
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Get User's Current Location / Coordinates

...hod you can get user's current location coordinates: func locationManager(_ manager: CLLocationManager, didUpdateLocations locations: [CLLocation]) { guard let locValue: CLLocationCoordinate2D = manager.location?.coordinate else { return } print("locations = \(locValue.latitude) \(locValue....
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$PHP_AUTOCONF errors on mac os x 10.7.3 when trying to install pecl extensions

...imilar errors. This is on MAC OS X 10.7.3 (lion) and I also have XCODE installed on it. I also installed Zend Server community edition before running these commands and have CFLAGS='-arch i386 -arch x86_64' environment variables set. So please help with what I need to do ...
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Detecting when the 'back' button is pressed on a navbar

...to work under certain scenarios in iOS 8+. I can't verify that that is actually the case without further details. For those of you however in that situation there's an alternative. Detecting when a view controller is being popped is possible by overriding willMove(toParentViewController:). The basi...
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Purpose of Django setting ‘SECRET_KEY’

... Why didn't they call it a salt then? ;) – datenwolf Jun 15 '13 at 18:00 30 ...