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How to copy Java Collections list
...a deep copy, the List, via either mechanism, would have to have intricate knowledge of the underlying type. In the case of Strings, which are immutable in Java (and .NET for that matter), you don't even need a deep copy. In the case of MySpecialObject, you need to know how to make a deep copy of it ...
Format LocalDateTime with Timezone in Java8
...= DateTimeFormatter.ofPattern("yyyyMMdd HH:mm:ss.SSSSSS Z");
ZonedDateTime.now().format(FORMATTER);
=> "20140829 14:12:22.122000 +09"
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How to check status of PostgreSQL server Mac OS X
...o get them to take effect, remember to source it like so:
$ . ~/.bashrc
Now, try it and you should get something like this:
$ show-pg-status
pg_ctl: server is running (PID: 11030)
/usr/local/Cellar/postgresql/9.2.4/bin/postgres
...
How to disable JavaScript in Chrome Developer Tools?
...gt; Settings > "Disable Javascript" -> Refresh works! Would love to know WHY it's not working in regular mode. I haven't found any tickets for this issue. Seems to only happen to certain users.
– Phil Tune
Oct 29 '14 at 19:16
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Why are there two ways to unstage a file in Git?
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"git status" advises now: use "git restore --staged <file>..." to unstage
– yucer
Aug 28 '19 at 11:25
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jQuery - setting the selected value of a select control via its text description
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Note that jQuery 1.4 has now changed this behavior to select by value if the attribute has been specified, and only select by text if the value attribute is missing. So in this example $('select').val('Two') will select the second option in 1.3.x, bu...
Programmatically creating Markdown tables in R with KnitR
...ng (sort of like xtable , but with Markdown instead of LaTeX or HTML). I know that I can just embed the HTML output from xtable, but I was wondering if there were any Markdown-based solutions?
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What does iterator->second mean?
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I'm sure you know that a std::vector<X> stores a whole bunch of X objects, right? But if you have a std::map<X, Y>, what it actually stores is a whole bunch of std::pair<const X, Y>s. That's exactly what a map is - it pai...
Automatic post-registration user authentication
...ion')->set('_security_main', serialize($token));
// The user is now logged in, you can redirect or do whatever.
}
}
Symfony 2.6.x - Symfony 3.0.x
As of symfony 2.6 security.context is deprecated in favor of security.token_storage. The controller can now simply be:
use Symfony\Com...
Pandas: Setting no. of max rows
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+1 for the pd.describe_option('display'), I did not know all the options
– nom-mon-ir
May 8 '13 at 19:08
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