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How can I get the current date and time in UTC or GMT in Java?
...
@Mr. Cat: How are you determining that? Is it by writing System.out.println(new Date())? If so, you should be aware that it's the toString() method which is applying the time zone there... if that's not it, please give more detail...
How do I undo 'git add' before commit?
...t add you want to recover (61/3AF3... -> object id 613AF3...), then git cat-file -p <object-id> (might be worth it to recover several hours of work but also a lesson to commit more often...)
– Peter Schneider
Jul 31 '17 at 14:03
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What's the difference between HEAD^ and HEAD~ in Git?
...0dd from git’s own history is a merge commit, as git show 89e4fcb0dd indicates with the Merge header line that displays the immediate ancestors’ object names.
commit 89e4fcb0dd01b42e82b8f27f9a575111a26844df
Merge: c670b1f876 649bf3a42f b67d40adbb
Author: Junio C Hamano <gitster@pobox.com>...
What is an example of the simplest possible Socket.io example?
...(believe me I have looked for hours and hours), has extra stuff that complicates things. A lot of the examples do a bunch of things that confuse me, or connect to some weird database, or use coffeescript or tons of JS libraries that clutter things up.
...
Is there a performance difference between i++ and ++i in C?
...e this by looking at the code for this function,
both with ++i and i++.
$ cat i++.c
extern void g(int i);
void f()
{
int i;
for (i = 0; i < 100; i++)
g(i);
}
The files are the same, except for ++i and i++:
$ diff i++.c ++i.c
6c6
< for (i = 0; i < 100; i++)
---
>...
What is the difference between DAO and Repository patterns?
...Data Access Objects (DAO) and Repository patterns? I am developing an application using Enterprise Java Beans (EJB3), Hibernate ORM as infrastructure, and Domain-Driven Design (DDD) and Test-Driven Development (TDD) as design techniques.
...
event Action vs event EventHandler
...ile still using Action<T1, T2, T2... >".
Secondly, consistency implications. If you have a large system you're already working with, it's nearly always better to follow the way the rest of the system is designed unless you have an very good reason not too. If you have publicly facing events t...
Why is React's concept of Virtual DOM said to be more performant than dirty model checking?
... not the optimal solution, it gives us a very nice way to express our applications. We just declare exactly what we want and React/virtual-dom will work out how to make your scene look like this. We don't have to do manual DOM manipulation or get confused about previous DOM state. We don't have to r...
How to delete images from a private docker registry?
...ed the solution listed below from a blog page. It works.
Step 1: Listing catalogs
You can list your catalogs by calling this url:
http://YourPrivateRegistyIP:5000/v2/_catalog
Response will be in the following format:
{
"repositories": [
<name>,
...
]
}
Step 2: Listing tags...
How Do I 'git fetch' and 'git merge' from a Remote Tracking Branch (like 'git pull')
...your commit-tree, but how git decides what pointers to move is a bit complicated.
As mentioned in another answer, neither
git pull remoteR branchB
nor
git fetch remoteR branchB
would move refs/remotes/branches/branchB, and the latter certainly cannot move refs/heads/branchB. However, ...