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How to update Ruby to 1.9.x on Mac?
... Wandering between posts which lead me to other problems, I found this one very helpful as it explains how to use RVM, not only use it.
– Hector Ordonez
Feb 25 '15 at 10:12
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PostgreSQL - how to quickly drop a user with existing privileges
...
Addition:
Apparently, trying to drop a user by using the commands mentioned here will only work if you are executing them while being connected to the same database that the original GRANTS were made from, as discussed here:
https://www.postgresql.org/message-id/83894A1821034948BA27FE4DAA474279...
Safely turning a JSON string into an object
...sing JSON.parse if it exists, so the only reason to use this over the real one is if you need a fallback for <IE7. It was changed way back in jQuery 1.6: james.padolsey.com/jquery/#v=1.6.0&fn=jQuery.parseJSON
– Karl-Johan Sjögren
Apr 5 '16 at 20:49
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What is the use of “assert” in Python?
...thon, it's roughly equivalent to this:
if not condition:
raise AssertionError()
Try it in the Python shell:
>>> assert True # nothing happens
>>> assert False
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
AssertionError
Assertions ca...
What does !important mean in CSS?
...s the normal concerns as regards the 'later' rule overriding the 'earlier' ones.
Also, ordinarily, a more specific rule will override a less-specific rule. So:
a {
/* css */
}
Is normally overruled by:
body div #elementID ul li a {
/* css */
}
As the latter selector is more specific...
What difference between Jersey vs jax-rs
..... But,we always need others classes for implement jax-rs,right? Like this one,jersey..
– user1851366
Jul 26 '13 at 19:27
10
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Undoing a git rebase
...nd merge all save your original HEAD pointer into ORIG_HEAD so, if you've done any of those commands since the rebase you're trying to undo then you'll have to use the reflog.
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append to url and refresh page
...ll example with a variable name and a variable parameter with encodeURIComponent().
– xavierm02
May 13 '11 at 20:41
An...
Node.js or Erlang
...
I can't speak for Erlang, but a few things that haven't been mentioned about node:
Node uses Google's V8 engine to actually compile javascript into machine code. So node is actually pretty fast. So that's on top of the speed benefits offered by event-driven programming and non-blocking io...
How to Execute SQL Server Stored Procedure in SQL Developer?
...proc_name paramValue1, paramValue2
(and you need commas as Misnomer mentioned)
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