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What does the arrow operator, '->', do in Java?
...I came across the arrow operator, what exactly does it do? I thought Java did not have an arrow operator.
5 Answers
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How to compare two dates?
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Creating an official github mirror
...github". Each fork gets a directory in there, like torvalds_subsurface. Inside the directory there will be some files, like torvalds_subsurface/watchers. There may be further directories, like for comments: torvalds_subsurface/comments/1.
You can follow the commits to the github branch to see w...
How to see full symlink path
...evice: 801h/2049d Inode: 25297409 Links: 1
Access: (0777/lrwxrwxrwx) Uid: ( 1000/ sumon) Gid: ( 1000/ sumon)
Access: 2017-09-26 16:41:18.985423932 +0600
Modify: 2017-09-25 15:48:07.880104043 +0600
Change: 2017-09-25 15:48:07.880104043 +0600
Birth: -
Hope this may help someone.
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What is the difference between gmake and make?
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When does static class initialization happen?
...initializers are executed in a textual order as defined in the class.
Consider the example:
public class Test {
static String sayHello() {
return a;
}
static String b = sayHello(); // a static method is called to assign value to b.
// but its a ha...
What is the maximum depth of the java call stack?
...
I tested on my system and didn't find any constant value, sometimes stack overflow occurs after 8900 calls, sometimes only after 7700, random numbers.
public class MainClass {
private static long depth=0L;
public static void main(String[] ar...
Using Vim's persistent undo?
...
Thanks Kyle, it's a good idea to create .vim if it doesn't exist. Unfortunately the -p flag doesn't exist on Windows so I edited the answer to call mkdir twice to ensure Windows compatibility.
– Matthias Braun
F...
Difference between `data` and `newtype` in Haskell
...T erased, which is a memory word that is used for dictionary lookups to decide what instance method to use for a given piece of data. People argue that this word isn't a "type", which I think depends on your perspective, but there you go.
– Gabriel L.
Aug 28 '1...
How to use php serialize() and unserialize()
...mplex data structure cannot be transported or stored or otherwise used outside of a running PHP script. If you want to persist such a complex data structure beyond a single run of a script, you need to serialize it. That just means to put the structure into a "lower common denominator" that can be h...