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What is a regular expression which will match a valid domain name without a subdomain?
...y important component: the support for IDN domain names.
IDN domain names start with xn--. They enable extended UTF-8 characters in domain names. For example, did you know "♡.com" is a valid domain name? Yeah, "love heart dot com"! To validate the domain name, you need to let http://xn--c6h.com/ ...
Is .NET/Mono or Java the better choice for cross-platform development? [closed]
...d this opinion in 2014. However, I'll qualify this by saying I'm just now starting to pay some attention to Mono after a long while of not really caring, so there may be improvements in the Mono runtime (or ecosystem) that I haven't been made aware of. AFAIK, there is still no support for WPF, WCF,...
How to change the commit author for one specific commit?
...(for vim, this would be pressing Esc and then typing :wq).
Once the rebase started, it would first pause at C
You would git commit --amend --author="Author Name <email@address.com>"
Then git rebase --continue
It would pause again at D
Then you would git commit --amend --author="Author Name <...
Squash my last X commits together using Git
... suffices:
git reset --soft HEAD~3 &&
git commit
If you want to start editing the new commit message with a concatenation of the existing commit messages (i.e. similar to what a pick/squash/squash/…/squash git rebase -i instruction list would start you with), then you need to extract th...
Hudson or Teamcity for continuous integration? [closed]
...ide community of users and an active users mailing list, is really easy to start with, is easy to use, has been used on huge, very huge, projects (JBoss, JAX-WS, etc) and thus has proven records of success, offers very nice advanced features (e.g. build matrix, build clustering, etc), is open source...
What is the difference between exit and return? [duplicate]
... exit().
In most C implementations, main is a real function called by some startup code that does something like int ret = main(argc, argv); exit(ret);. The C standard guarantees that something equivalent to this happens if main returns, however the implementation handles it.
Example with return:
#...
Why does this go into an infinite loop?
... LoopingThread t = new LoopingThread();
System.out.println("Starting background thread...");
t.start();
while (true) {
x = x++;
}
}
}
class LoopingThread extends Thread {
public @Override void run() {
while (true) {
Sys...
Why is the minimalist, example Haskell quicksort not a “true” quicksort?
...w, then putStrLn. A function's arguments are computed before that function starts running.
In Haskell, it's the opposite. The function starts running first. The arguments are only computed when the function actually uses them. And a compound argument, like a list, is computed one piece at a time, a...
How to pass a function as a parameter in Java? [duplicate]
...u can create a new thread very quickly:
new Thread(() -> someMethod()).start();
And use the method reference syntax to make it even cleaner:
new Thread(this::someMethod).start();
Without lambda expressions, these last two examples would look like:
new Thread(new Runnable() { someMethod(); ...
How to deal with persistent storage (e.g. databases) in Docker
...llowing compose file will create a data image which will persist between restarts (or even removal) of parent containers:
Here is the blog announcement: Compose 1.6: New Compose file for defining networks and volumes
Here's an example compose file:
version: "2"
services:
db:
restart: on-fa...