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AngularJS ng-click stopPropagation

... ngClick directive (as well as all other event directives) creates $event variable which is available on same scope. This variable is a reference to JS event object and can be used to call stopPropagation(): <table> <tr ng-repeat="user in users...
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Stack vs heap allocation of structs in Go, and how they relate to garbage collection

...le stack-based programming where automatic variables live on the stack and allocated memory lives on the heap and and Python-style stack-based-programming where the only thing that lives on the stack are references/pointers to objects on the heap. ...
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Computed / calculated / virtual / derived columns in PostgreSQL

...(Not in Postgres 13, yet) . Related: Attribute notation for function call gives error Until then, you can emulate VIRTUAL generated columns with a function using attribute notation (tbl.col) that looks and works much like a virtual generated column. That's a bit of a syntax oddity which exi...
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Using isKindOfClass with Swift

... Another approach using the new Swift 2 syntax is to use guard and nest it all in one conditional. guard let touch = object.AnyObject() as? UITouch, let picker = touch.view as? UIPickerView else { return //Do Nothing } //Do something with picker ...
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How to determine if an NSDate is today?

...ethod anyway. NOTE as with many answers on SO, after 7 years this is totally out of date. In Swift now just use .isDateInToday share | improve this answer | follow ...
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How to make a copy of a file in android?

... To copy a file and save it to your destination path you can use the method below. public static void copy(File src, File dst) throws IOException { InputStream in = new FileInputStream(src); try { OutputStream out = new File...
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How to use redis PUBLISH/SUBSCRIBE with nodejs to notify clients when data values change?

...o, node_redis and last but not least the sample code from media fire. Install node.js+npm(as non root) First you should(if you have not done this yet) install node.js+npm in 30 seconds (the right way because you should NOT run npm as root): echo 'export PATH=$HOME/local/bin:$PATH' >> ~/.bas...
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Difference between a “coroutine” and a “thread”?

...the baton among each other more fluidly). Threads are (at least conceptually) a form of concurrent processing: multiple threads may be executing at any given time. (Traditionally, on single-CPU, single-core machines, that concurrency was simulated with some help from the OS -- nowadays, since so...
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Creating a jQuery object from a big HTML-string

...d to the dom. If you take a look at my fiddle (jsfiddle.net/MCSyr/2), I'm calling find on the jQuery object, and it returns a result as expected: $jQueryObject.find("#theAnswer").html() – kiprainey Nov 18 '13 at 22:55 ...
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Detect if Android device has Internet connection

... The best way to check if there is an active Internet connection is to try and connect to a known server via http. public static boolean hasActiveInternetConnection(Context context) { if (isNetworkAvailable(context)) { try { HttpURLConnection urlc = (HttpURLConnection) (new...