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What JSON library to use in Scala? [closed]
...m.codahale.jerkson.Json._
scala> val l = List(
Map( "id" -> 1, "name" -> "John" ),
Map( "id" -> 2, "name" -> "Dani")
)
scala> generate( l )
res1: String = [{"id":1,"name":"John"},{"id":2,"name":"Dani"}]
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What is your single most favorite command-line trick using Bash? [closed]
...l know how to use <ctrl>-R to reverse search through history, but did you know you can use <ctrl>-S to forward search if you set stty stop "" ? Also, have you ever tried running bind -p to see all of your keyboard shortcuts listed? There are over 455 on Mac OS X by default.
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Vim: What's the difference between let and set?
...Autowrap mode off tw=" . &textwidth
endif
endfunction
noremap _A :call Toggle_autowrap_mode()<CR>
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Why should I use tags vs. release/beta branches for versioning?
...d like to know is why use tagging at all if I can just create a new branch called 1.1.0 and not have to cloud my mind with a whole new set of git commands?
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Do sealed classes really offer performance Benefits?
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The JITter will sometimes use non-virtual calls to methods in sealed classes since there is no way they can be extended further.
There are complex rules regarding calling type, virtual/nonvirtual, and I don't know them all so I can't really outline them for you, but...
Why does this assert throw a format exception when comparing structures?
...rly broken, as we weren't expecting foo nor was the actual value bar!
Basically this is like a SQL injection attack, but in the rather less scary context of string.Format.
As a workaround, you can use string.Formatas StriplingWarrior suggests. That avoids the second level of formatting being perfo...
jQuery Scroll To bottom of the page
... $(document).height()-$(window).height() });
To scroll to a particular ID, use its .scrollTop(), like this:
$("html, body").animate({ scrollTop: $("#myID").scrollTop() }, 1000);
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Can I call a constructor from another constructor (do constructor chaining) in C++?
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C++11: Yes!
C++11 and onwards has this same feature (called delegating constructors).
The syntax is slightly different from C#:
class Foo {
public:
Foo(char x, int y) {}
Foo(int y) : Foo('a', y) {}
};
C++03: No
Unfortunately, there's no way to do this in C++03, but t...
JSP tricks to make templating easier?
...HTML files into a simple JSP project. It's really all static, no serverside logic to program. I should mention I'm completely new to Java. JSP files seem to make it easy to work with common includes and variables, much like PHP , but I'd like to know a simple way to get something like template i...
How to customize an end time for a YouTube video?
...to figure out how I can specify a custom end time for an embedded YouTube video. I know that I can customize the start time by adding &start=30 , but I haven't seen anything relating to the end time.
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