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How do you check if a variable is an array in JavaScript? [duplicate]
...ressed by the outcome. Array.prototype, is actually an array. you can read more about it here https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/isArray
variable instanceof Array
This method runs about 1/3 the speed as the first example. Still pretty solid, loo...
How do I align views at the bottom of the screen?
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Enabling WiFi on Android Emulator
...ccess point ("AndroidWifi"), and Android
automatically connects to it.
More Information:
https://developer.android.com/studio/run/emulator.html#wifi
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Why and How to avoid Event Handler memory leaks?
...de is to set the event to null once you're sure that you won't fire it any more. This will implicitly remove all of the subscribers, and can be useful when certain events are only fired during certain stages of the object's lifetime.
– JSBձոգչ
Dec 24 '10 at...
What exactly does git's “rebase --preserve-merges” do (and why?)
...selected for replay and how that replaying works for merge commits.
To be more explicit about the main differences between normal and merge-preserving rebase:
Merge-preserving rebase is willing to replay (some) merge commits, whereas normal rebase completely ignores merge commits.
Because it's wi...
jQuery - Get Width of Element when Not Visible (Display: None)
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What is a classpath and how do I set it?
...e global, there would be no need to change the variable, other than adding more packages.
– Josie Thompson
Jun 22 '16 at 8:36
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Difference between res.send and res.json in Express.js
...replacer and json spaces application settings, so you can format JSON with more options. Those options are set like so:
app.set('json spaces', 2);
app.set('json replacer', replacer);
And passed to a JSON.stringify() like so:
JSON.stringify(value, replacer, spacing);
// value: object to format
//...
Is there any overhead to declaring a variable within a loop? (C++)
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Defining a function with multiple implicit arguments in Scala
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There is another (IMO simpler and more flexible) way to achieve a similar effect:
// Note the implicit is now a Tuple2
def myFun(arg: String)(implicit p: (String, Int) ): Unit = {
println(arg + p._1 + p._2)
/*otherwise your actual code*/
}
// These impl...