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How do I remove a property from a JavaScript object?
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46 Answers
46
Active
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QuotaExceededError: Dom exception 22: An attempt was made to add something to storage that exceeded
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374
This can occur when Safari is in private mode browsing. While in private browsing, local storage...
What is the difference between map and flatMap and a good use case for each?
... values from those that return a Some:
val rdd = sc.parallelize(Seq(1,2,3,4))
def myfn(x: Int): Option[Int] = if (x <= 2) Some(x * 10) else None
rdd.flatMap(myfn).collect
res3: Array[Int] = Array(10,20)
(noting here that an Option behaves rather like a list that has either one element, ...
Named capturing groups in JavaScript regex?
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141
ECMAScript 2018 introduces named capturing groups into JavaScript regexes.
Example:
const a...
git diff two files on same branch, same commit
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84
You don't need git for that, just use diff fileA.php fileB.php (or vimdiff if you want side by s...
MySQL Cannot Add Foreign Key Constraint
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804
To find the specific error run this:
SHOW ENGINE INNODB STATUS;
And look in the LATEST FOREIG...
How to increase storage for Android Emulator? (INSTALL_FAILED_INSUFFICIENT_STORAGE)
... "additional emulator command line options," add this:
-partition-size 1024
Then CLOSE the emulator (and remove any devices), and click the debug icon, which will launch the preferred emulator you selected. This is important: Eclipse needs to launch the debugger, not AVD.
That fixed the problem ...
Getting a random value from a JavaScript array
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24 Answers
24
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Create space at the beginning of a UITextField
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This is what I am using right now:
Swift 4.2
class TextField: UITextField {
let padding = UIEdgeInsets(top: 0, left: 5, bottom: 0, right: 5)
override open func textRect(forBounds bounds: CGRect) -> CGRect {
return bounds.inset(by: padding)
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