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What is a practical use for a closure in JavaScript?
...rating instrumentation (counting calls) from semantics (an error-reporting API). Other uses include:
Passing parameterised behaviour into an algorithm (classic higher-order programming):
function proximity_sort(arr, midpoint) {
arr.sort(function(a, b) { a -= midpoint; b -= midpoint; return a*...
“Ago” date/time functions in Ruby/Rails
...time_in_words(from_time, to_time)
time_ago_in_words(from_time)
Check the API for details and more options.
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How to convert a scala.List to a java.util.List?
...er luck with asScalaBuffer() in the JavaConverters package: scala-lang.org/api/2.12.1/scala/collection/JavaConverters$.html
– Sarah Messer
Sep 4 '19 at 13:43
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How can I test https connections with Django as easily as I can non-https connections using 'runserv
...est secure connections? for ex, if you want to test against Facebook Graph API? developers.facebook.com/docs/graph-api/webhooks#setup
– frednikgohar
Apr 17 at 5:35
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Android: show soft keyboard automatically when focus is on an EditText
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It's in the Dialog class API level 8.
– tidbeck
Oct 21 '11 at 14:19
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Testing javascript with Mocha - how can I use console.log to debug a test?
...t asynchronous code. I had that issue when testing http requests to a REST API.
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iOS - How to set a UISwitch programmatically
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If you are using a UISwitch, then as seen in the developer API, the task setOn: animated: should do the trick.
- (void)setOn:(BOOL)on animated:(BOOL)animated
So to set the switch ON in your program, you would use:
Objective-C
[switchName setOn:YES animated:YES];
Swift
switchN...
Java 8: Lambda-Streams, Filter by Method with Exception
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No sane API should deliver undeclared checked exceptions to the client, that's for sure. Within the API there can be an understanding, though, that checked exception can leak. They don't cause harm as long as they are just another si...
JavaScript string newline character?
...carriage return. CR should never be used on its own, although most Windows apis and apps will parse it as a newline. LF works just as well in Windows too. CR is just an artifact from the time when computers were merely electronic typewriters.
– GolezTrol
Jul 18...
What is so bad about singletons? [closed]
...ur objects can secretly get hold of things which are not declared in their APIs, and, as a result, Singletons make your APIs into pathological liars.
Where have all the Singletons Gone makes the point that dependency injection has made it easy to get instances to constructors that require them, wh...