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Applying a function to every row of a table using dplyr?

... the intersection of purrr and dplyr. They have been removed from purrr in order to make the package lighter and because they have been replaced by other solutions in the tidyverse. So, you will need to install + load that package to make the code below work. Original post Hadley frequently chan...
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How many Activities vs Fragments?

...lication component that provides a screen with which users can interact in order to do something, ". I do see an error in my original statement, I didn't mean to put "are another screen", – EFlisio May 24 '15 at 17:10 ...
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Does use of final keyword in Java improve the performance?

...arlier tests will warmup the JVM and benefit the later test invocations. Reorder your tests and see what happens. You need to run each test in its own JVM instance. – Steve Kuo Jun 5 '14 at 21:56 ...
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How to get the url parameters using AngularJS

... In Angular 1.5.8, I did not have to configure $locationProvider in order for this to work. http://example.com/path#?someKey=someVal, then $location.search().someKey // => 'someVal' – jiminikiz Mar 31 '17 at 20:33 ...
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What really happens in a try { return x; } finally { x = null; } statement?

... statement is executed, but the return value isn't affected. The execution order is: Code before return statement is executed Expression in return statement is evaluated finally block is executed Result evaluated in step 2 is returned Here's a short program to demonstrate: using System; class ...
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Python vs Bash - In which kind of tasks each one outruns the other performance-wise? [closed]

...ntain. Bash requires the imposition of good practices learned elsewhere in order to be maintainable. In so doing, and using a GUI dialog utility or Python for UI, gives superior performance (via extremely fast utility programs called from Bash) as well as a good UX. – DocSalvag...
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Using PHP with Socket.io

...eck this one. This is really important! You need this javascript libary in order for you client.php or client.html to communicate with the server.php when you run it. https://github.com/walkor/phpsocket.io/tree/master/examples/chat/public/socket.io-client I just copy and pasted that socket.io-clie...
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Why is “if not someobj:” better than “if someobj == None:” in Python?

...mp__ method, it is called. This function must return an int indicating the order of the two object (-1 if self < other, 0 if self == other, +1 if self > other). Otherwise, the object are compared for identity (ie. they are reference to the same object, as can be tested by the is operator). T...
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Android TextView with Clickable Links: how to capture clicks?

...xt_view.setText( Html.fromHtml( str_links ) ); have you tried in reverse order as shown below? text_view.setText( Html.fromHtml( str_links ) ); text_view.setMovementMethod(LinkMovementMethod.getInstance()); and without: text_view.setLinksClickable(true); ...
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Android: How can I pass parameters to AsyncTask's onPreExecute()?

... .... } 2) Passing methods to async-task In order to avoid coding the async-Task infrastructure (thread, messagenhandler, ...) multiple times you might consider to pass the methods which should be executed in your async-task as a parameter. Following example outlines t...