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Any reason not to use '+' to concatenate two strings?
... matter of other Python implementations, such as pypy, jython, ironpython, etc...
– jsbueno
Apr 6 '12 at 13:50
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How to tell if a string is not defined in a Bash shell script
... value, ${foo:?error message} to display an error message if foo is unset, etc.
– Jouni K. Seppänen
Oct 23 '08 at 4:54
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DESTDIR and PREFIX of make
...hat it's worth, in a cmake-based build you can emulate "case 4" (for stow, etc) by running cmake -DCMAKE_INSTALL_PREFIX=/foo/bar/baz -P cmake_install.cmake in the build directory.
– Ryan Pavlik
Sep 6 '12 at 17:12
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jQuery .hasClass() vs .is()
... is is multi-purpose, you can for example do is('.class'), is(':checked'), etc which means is has more to do where is hasClass is limited which only checks for a class being set or not.
Hence, hasClass should be faster if performance at any level is your priority.
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How can I get nth element from a list?
...hat the standard library contains some such partial functions (head, last, etc.). For safety, use an option type Maybe, or the Safe module.
Example of a reasonably efficient, robust total (for indices ≥ 0) indexing function:
data Maybe a = Nothing | Just a
lookup :: Int -> [a] -> Maybe a
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What is the difference between “def” and “val” to define a function
... x % 2 == 0)" function (not any other statement before i.e. println("val") etc. Invoking event2 with different parameters will actually invoke "(x => x % 2 == 0)" code, as only that is saved with event2.
scala> even2(2)
res7: Boolean = true
scala> even2(3)
res8: Boolean = false
Just to ...
jQuery: keyPress Backspace won't fire?
...is; setTimeout( function(){
/** Code that processes backspace, etc. **/
}, 100 );
} );
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Should the .gradle folder be added to version control?
...radle folder will contain generic information such as dependency mappings, etc and uploaded it on version control. I then tried setting up a new machine with a different OS flavor and Java version using code from the version control including the .gradle folder and ran into errors. Turned out that t...
Reflecting parameter name: abuse of C# lambda expressions or syntax brilliance?
...e calls to an Attribute("style", "display:none").Attribute("class", "foo") etc)
If C# had a less verbose syntax for dictionary literals, then I wouldn't have bothered including this syntax in the grid component :)
I also want to point out that the use of this in MvcContrib is completely optional -...
Contributing to project on github, how to “rebase my pull request on top of master”
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You only show a fetch on the upstream repo. That doesn't actually update any of your local branches. It only updates your knowledge of upstream. You'd need to ensure upstream/master is fully merged into your master, like with a git pull, prio...