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Why can't strings be mutable in Java and .NET?
... design, implement, and use than mutable classes. They are less prone
to error and are more secure.
[...]
"Immutable objects are simple. An immutable object can be in
exactly one state, the state in which it was created. If you make sure
that all constructors establish class invarian...
How do I shuffle an array in Swift?
...0 at the top of the mutating array function, to prevent receiving a "fatal error: Can't form Range with end < start" when it is passed an empty array.
– Carl Smith
Jun 30 '15 at 0:00
...
Populating spinner directly in the layout xml
...
In regards to the first comment: If you do this you will get an error(in Android Studio). This is in regards to it being out of the Android namespace. If you don't know how to fix this error, check the example out below. Hope this helps!
Example -Before :
<string-array name="roomSize...
Detecting when the 'back' button is pressed on a navbar
...tionItem.leftBarButtonItem = nil
someData.saveInBackground { (success, error) -> Void in
if success {
self.navigationController?.popViewControllerAnimated(true)
// Don't forget to re-enable the interactive gesture
self.navigationController?.interact...
std::unique_ptr with an incomplete type won't compile
...ile, but declaring an object of that type anywhere results in the original error ("invalid application of 'sizeof'...").
– Jeff Trull
Sep 30 '12 at 19:45
40
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When is it right for a constructor to throw an exception?
... constructor knows that the object is not ready to be used and there is an error somewhere that needs to be fixed.
Objects that are half-initialised and half-dead just cause problems and issues, as there really is no way for the caller to know. I'd rather have my constructor throw an error when thi...
How to find/identify large commits in git history?
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One liner to do same thing: git gc && join -e ERROR -a 2 -j 1 -o 2.1,2.3,1.2 --check-order <( git rev-list --objects --all | sort -k 1 ) <( git verify-pack -v .git/objects/pack/pack-*.idx | gawk '( NF == 5 && $2 == "blob" ){print}' | sort -k1 ) | sort -k2gr...
async/await - when to return a Task vs void?
...I got clear idea from this statements.
Async void methods have different error-handling semantics. When an exception is thrown out of an async Task or async Task method, that exception is captured and placed on the Task object. With async void methods, there is no Task object, so any exceptions th...
How to call a method defined in an AngularJS directive?
... the directive's methods and don't have a control attr will start throwing errors about not being able to set attributes on undefined
– CheapSteaks
Mar 16 '14 at 0:55
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Why does SSL handshake give 'Could not generate DH keypair' exception?
...rovider.BouncyCastleProvider did work better, putting it on 1. resulted in errors in default software.
– TinusSky
Jul 7 '15 at 13:42
1
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