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Check if a subview is in a view
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You will end up with a code like :
Objective-C
- (IBAction)showPopup:(id)sender {
if(![self.myView isDescendantOfView:self.view]) {
[self.view addSubview:self.myView];
} else {
[self.myView removeFromSuperview];
}
}
Swift 3
@IBAction func showPopup(sender: AnyObj...
Android: Go back to previous activity
I want to do something simple on android app.
How is it possible to go back to a previous activity.
23 Answers
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How do you make a LinearLayout scrollable?
...lt;?xml version="1.0" encoding="utf-8"?>
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="fill_parent"
xmlns:android="http://schemas.android.com/apk/res/android">
<ScrollView
android:layout_width="fill_parent"
a...
Docker - how can I copy a file from an image to a host?
..., create a temporary container, copy the file from it and then delete it:
id=$(docker create image-name)
docker cp $id:path - > local-tar-file
docker rm -v $id
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Why is using the rails default_scope often recommend against?
...the internet people mention that using the rails default_scope is a bad idea, and the top hits for default_scope on stackoverflow are about how to overwrite it. This feels messed up, and merits an explicit question (I think).
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Pass an array of integers to ASP.NET Web API?
...mUri] before parameter, looks like:
GetCategories([FromUri] int[] categoryIds)
And send request:
/Categories?categoryids=1&categoryids=2&categoryids=3
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Removing Data From ElasticSearch
...asticsearch.
Using cURL
curl -XDELETE localhost:9200/index/type/documentID
e.g.
curl -XDELETE localhost:9200/shop/product/1
You will then receive a reply as to whether this was successful or not. You can delete an entire index or types with an index also, you can delete a type by leaving out...
Override setter with arc
Did I correctly override the setter when ARC is enabled?
3 Answers
3
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Jquery mouseenter() vs mouseover()
... the behavior when your target element contains child elements:
http://jsfiddle.net/ZCWvJ/7/
Each time your mouse enters or leaves a child element, mouseover is triggered, but not mouseenter.
$('#my_div').bind("mouseover mouseenter", function(e) {
var el = $("#" + e.type);
var n = +el.t...
What is a .pid file and what does it contain?
I recently come across a file with the extension .pid and explored inside it but didn't find much. The documentation says:
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