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What does “default” mean after a class' function declaration?

...don't want the compiler to generate that function automatically. With the introduction of move constructors and move assignment operators, the rules for when automatic versions of constructors, destructors and assignment operators are generated has become quite complex. Using = default and = delete...
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Is there a setting on Google Analytics to suppress use of cookies for users who have not yet given c

...et('clientId')); }); ga('send', 'pageview'); Also check out this code at Convert Google Analytics cookies to Local/Session Storage This script will not set any cookies, but still track via google analytics. This will actually have the same effect on privacy as using cookies, because google still ...
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Async image loading from url inside a UITableView cell - image changes to wrong image while scrollin

...ta = data if error == nil { // Convert the downloaded data in to a UIImage object let image = UIImage(data: data!) // Store the image in to our cache self.previewImg[indexPath.row] = d...
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When should I use a table variable vs temporary table in sql server?

...ables were those implicitly created through a UNIQUE or PRIMARY KEY constraint. SQL Server 2014 introduced inline index syntax for a subset of the options available in CREATE INDEX. This has been extended since to allow filtered index conditions. Indexes with INCLUDE-d columns or columnstore indexes...
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How does BLAS get such extreme performance?

... A good starting point is the great book The Science of Programming Matrix Computations by Robert A. van de Geijn and Enrique S. Quintana-Ortí. They provide a free download version. BLAS is divided into three levels: Level 1 defines a set of...
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How to concatenate two MP4 files using FFmpeg?

...eg. I need this to be an automatic process hence why I chose ffmpeg. I'm converting the two files into .ts files and then concatenating them and then trying to encode that concated .ts file. The files are h264 and aac encoded and I'm hoping to keep the quality the same or as close to original as ...
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Modify file in place (same dest) using Gulp.js and a globbing pattern

I have a gulp task that is attempting to convert .scss files into .css files (using gulp-ruby-sass) and then place the resulting .css file into the same place it found the original file. The problem is, since I'm using a globbing pattern, I don't necessarily know where the original file is stored. ...
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Downloading all maven dependencies to a directory NOT in repository?

I started to convert my project to maven because I needed to use a library that was distributed in binary form over maven only, but after banging my head against the wall on it for far too long I've decided to stop hurting myself and just use Ant. I'd like to just have maven download the jar and al...
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Best practice: AsyncTask during orientation change

... I usually solve this by having my AsyncTasks fire broadcast Intents in the .onPostExecute() callback, so they don't modify the Activity that started them directly. The Activities listen to these broadcasts with dynamic BroadcastReceivers and act accordingly. This way the AsyncTasks ...
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What is declarative programming? [closed]

...e it into subprograms, but not so much on the domain model. Often, we can convert from imperative to declarative by adding context. E.g. from "Turn left. (... wait for it ...) Turn Right." to "Bob will turn left at intersection of Foo and Bar at 11:01. Bob will turn right at the intersection of Ba...