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IOS: verify if a point is inside a rect
...edited Oct 11 '19 at 11:30
denis_lor
5,10144 gold badges1717 silver badges4141 bronze badges
answered Nov 7 '11 at 14:23
...
How do I copy an object in Java?
...can use Java Object Serialization to make a deep copy. Unfortunately, this approach has some problems too(detailed examples).
Possible Problems:
clone is tricky to implement correctly.
It's better to use Defensive copying, copy constructors(as @egaga reply) or static factory methods.
If you hav...
UICollectionView spacing margins
...ake(top, left, bottom, right)];
Updated for Swift 5
func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, insetForSectionAt section: Int) -> UIEdgeInsets {
return UIEdgeInsets(top: 25, left: 15, bottom: 0, right: 5)
}
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What's the “big idea” behind compojure routes?
I'm new to Clojure and have been using Compojure to write a basic web application. I'm hitting a wall with Compojure's defroutes syntax, though, and I think I need to understand both the "how" and the "why" behind it all.
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Perform an action in every sub-directory using Bash
... command, this is more concise:
for D in *; do [ -d "${D}" ] && my_command; done
Or an even more concise version (thanks @enzotib). Note that in this version each value of D will have a trailing slash:
for D in */; do my_command; done
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How to make a smooth image rotation in Android?
... that I'm using as a custom cyclical spinner in Android. Here's my rotate_indefinitely.xml file, which I placed in res/anim/ :
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Why so red? IntelliJ seems to think every declaration/method cannot be found/resolved
...nfigure
In my case, the JDK path was incorrect (pointed on /opt/jdk1.7.0_51 instead of /opt/jdk1.7.0_65)
Click on the ... and browse to the right JDK path
Let's clear the cache:
And everything should be back to life :)
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Good Free Alternative To MS Access [closed]
Consider the need to develop a lightweight desktop DB application on the Microsoft platforms.
28 Answers
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Purge Kafka Topic
...yi, for kafka v. 0.9.0.0, it says: ubuntu@ip-172-31-21-201:/opt/kafka/kafka_2.10-0.9.0.0-SNAPSHOT$ bin/kafka-topics.sh --zookeeper localhost:2181 --alter --topic room-data --config retention.ms=1000 WARNING: Altering topic configuration from this script has been deprecated and may be removed in futu...
Why shouldn't all functions be async by default?
...ime.
Async makes it much harder to reason about when a side effect will happen. Before async, if you said:
M();
N();
and M() was void M() { Q(); R(); }, and N() was void N() { S(); T(); }, and R and S produce side effects, then you know that R's side effect happens before S's side effect. But i...