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Update Item to Revision vs Revert to Revision
...ected revision (in your example rev. 96,97,98,99,100)
Your working copy is now in modified state.
The file content of both scenarions is same, however in first case you have an unmodified working copy and you cannot commit your changes(as your workingcopy is not pointing to HEAD rev 100) in second...
Using do block vs braces {}
...ctures (if, while, case, etc.)
The second, less-frequently seen style is known as semantic, or "Weirich Braces", proposed by the late, great rubyist Jim Weirich:
Use do end for procedural blocks
Use braces { } for functional blocks
This means that when the block is evaluated for its return valu...
What is causing ERROR: there is no unique constraint matching given keys for referenced table?
...atching given keys for referenced table, and having stared at it for while now I can't figure out why this error arises in this situation.
...
All falsey values in JavaScript
...nt zero (0n):
0n == false // true
-0n == false // true
So with this, we now have 7 "falsy" values in total (not including document.all as mentioned by user above since it's part of DOM and not JS).
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API Keys vs HTTP Authentication vs OAuth in a RESTful API
... @TomDoe Hi Tom - Yes that makes sense. You probably want to use OAuth2 now. If your server is in Python (Django or Flask) take a look at github.com/omab/python-social-auth
– Sid
Aug 18 '15 at 19:43
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How to share my Docker-Image without using the Docker-Hub?
...e reference, the link to the docker registry image is outdated. You should now use Docker Registry 2.0 and the code on github/docker/distribution
– RoelAdriaans
Jun 6 '15 at 17:31
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Getting and removing the first character of a string
...ht back" "r" "ight back"
[[3]]
[1] "at yah" "a" "t yah"
Now, we can use the trusty sapply + [ method to pull out the desired substrings.
myFirstStrings <- sapply(myStrings, "[", 2)
myFirstStrings
[1] "h" "r" "a"
mySecondStrings <- sapply(myStrings, "[", 3)
mySecondStrings
[...
git --git-dir not working as expected
...
You have to define the working dir as well. Confusing I know but it's a flexibility thing.
git --git-dir=/mycode/.git --work-tree=/mycode status
You can read a little more here
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How to start two threads at “exactly” the same time
...he gate.
// Since we gave "3" as the argument, gate is not opened yet.
// Now if we block on the gate from the main thread, it will open
// and all threads will start to do stuff!
gate.await();
System.out.println("all threads started");
This doesn't have to be a CyclicBarrier, you could also use...
Line-breaking widget layout for Android
... @JakeWilson801 It worked in scrolling container for me. But now there is FlexboxLayoutManager in RecyclerView, so maybe it solve your issue.
– Lukas Novak
Feb 22 '17 at 11:46
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