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How do I get the key at a specific index from a Dictionary in Swift?
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@Max, this is old Swift syntax. Now you can use: dict.enumerated().forEach { (index, element) in ... }
– Matthew Korporaal
Jan 15 '19 at 10:28
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How to redirect to a different domain using NGINX?
...tead of $scheme). This is for the same reasons protocol-relative links are now considered deprecated - paulirish.com/2010/the-protocol-relative-url
– mahemoff
Apr 29 '15 at 8:36
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What are some compelling use cases for dependent method types?
...pendent method types, which used to be an experimental feature before, has now been enabled by default in the trunk , and apparently this seems to have created some excitement in the Scala community.
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Check if image exists on server using JavaScript?
...request.
$.get(image_url)
.done(function() {
// Do something now you know the image exists.
}).fail(function() {
// Image doesn't exist - do something else.
})
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Make child visible outside an overflow:hidden parent
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Hmm! Clever, I am just now experimenting with it. What I am currently getting is that the generated content behaves correctly, being preserved in the flow of the layout, however the parent will still ignore it and layer ontop of the floating elemen...
Rolling back local and remote git repository by 1 commit
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is there a way to know if somebody has pulled the repo?
– Pinkerton
Jul 5 '16 at 19:26
4
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Python Empty Generator Function
...should go to Unutbu for giving the first correct version of this answer.)
Now, you may find the above clearer, but I can imagine situations in which it would be less clear. Consider this example of a long list of (contrived) generator function definitions:
def zeros():
while True:
yiel...
Why does JQuery have dollar signs everywhere?
...on = function() {
alert('a function');
}
window.Myf = yourFunction;
Now you can call yourFunction like:
Myf(); // definitely a short syntax
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startActivityForResult() from a Fragment and finishing child Activity, doesn't call onActivityResult
...tResult(Activity.RESULT_OK);
getActivity().finish();
Now Getting Result to Fragment with
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (resultCode == Activity.RESULT_OK &...
Regular expression to match URLs in Java
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The best way to do it now is:
android.util.Patterns.WEB_URL.matcher(linkUrl).matches();
EDIT: Code of Patterns from https://github.com/android/platform_frameworks_base/blob/master/core/java/android/util/Patterns.java :
/*
* Copyright (C) 2007...