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Arrow operator (->) usage in C
...eading a book called "Teach Yourself C in 21 Days" (I have already learned Java and C# so I am moving at a much faster pace). I was reading the chapter on pointers and the -> (arrow) operator came up without explanation. I think that it is used to call members and functions (like the equivale...
If list index exists, do X
... exception handling in these instances is the style Python promotes that C/Java/C# don't. See stackoverflow.com/questions/11360858/…
– Tinister
Jan 9 '15 at 21:49
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Remove characters except digits from string using Python?
... as THE text string type, instead of byte strings as in Py2 -- same reason Java and C# have always had the same "string means unicode" meme... some overhead, maybe, but MUCH better support for just about anything but English!-).
– Alex Martelli
Sep 21 '09 at 2:...
How to match “anything up until this sequence of characters” in a regular expression?
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For regex in Java, and I believe also in most regex engines, if you want to include the last part this will work:
.+?(abc)
For example, in this line:
I have this very nice senabctence
select all characters until "abc" and also inclu...
How do I keep the screen on in my App? [duplicate]
...d:
we can use keepScreenOn
1. implementation using setKeepScreenOn() in java code:
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
View v = getLayoutInflater().inflate(R.layout.drive...
Thread-safe List property
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Java? One of the few features I miss about it. But it's usually written as: Collections.synchronizedList(new ArrayList());
– Nick
May 29 '18 at 21:21
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How to define Gradle's home in IDEA?
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For Arch Linux it is: /usr/share/java/gradle
– SirWojtek
Jan 4 '19 at 8:35
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show 2 more comments
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setMaxResults for Spring-Data-JPA annotation?
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If you are using Java 8 and Spring Data 1.7.0, you can use default methods if you want to combine a @Query annotation with setting maximum results:
public interface UserRepository extends PagingAndSortingRepository<User,Long> {
@Quer...
Is there a way to list task dependencies in Gradle?
...some" of the tasks. Looking at
http://gradle.org/docs/current/userguide/java_plugin.html there are hidden ones not listed. Also, other plugins will not have such a nice pretty graph of the dependencies between tasks.
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Declaring Multiple Variables in JavaScript
In JavaScript, it is possible to declare multiple variables like this:
17 Answers
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