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Preferred way to create a Scala list
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That is, you can now work on that IndexedSeq:
scala> list.foldLeft(0)(_+_)
res0: Int = 55
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How do I get bash completion to work with aliases?
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As stated in the comments above,
complete -o default -o nospace -F _git_checkout gco
will no longer work. However, there's a __git_complete function in git-completion.bash which can be used to set up completion for aliases like so:
__git_complete gco _git_checkout
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What does -D_XOPEN_SOURCE do/mean?
... the gcc man page, but did not find this specific option. I did find XOPEN_SOURCE , but there was little explanation of what it does.
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Why do we always prefer using parameters in SQL statements?
... the SQL statement is not going to be the same
– marc_s
Sep 21 '11 at 20:57
1
that means sql inje...
Sort a list by multiple attributes?
... how, you can wrap your criteria (functions) in parenthesis:
s = sorted(my_list, key=lambda i: ( criteria_1(i), criteria_2(i) ), reverse=True)
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Best way to check if a URL is valid
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You can use a native Filter Validator
filter_var($url, FILTER_VALIDATE_URL);
Validates value as URL (according to » http://www.faqs.org/rfcs/rfc2396), optionally with required components. Beware a valid URL may not specify the HTTP protocol http:// so further val...
Difference between String replace() and replaceAll()
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Replace all occurrences of the character x with o.
String myString = "__x___x___x_x____xx_";
char oldChar = 'x';
char newChar = 'o';
String newString = myString.replace(oldChar, newChar);
// __o___o___o_o____oo_
Example 2
Replace all occurrences of the string fish with sheep.
String mySt...
phonegap open link in browser
...estion, use JavaScript to call window.open with the target argument set to _system, as per the InAppBrowser documentation:
<a href="#" onclick="window.open('http://www.kidzout.com', '_system'); return false;">www.kidzout.com</a>
This should work, though a better and more flexible solu...
How to get all registered routes in Express?
...t app.routes :-)
express 4.x
Applications - built with express()
app._router.stack
Routers - built with express.Router()
router.stack
Note: The stack includes the middleware functions too, it should be filtered to get the "routes" only.
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Python unit test with base and sub class
...g SubTest2:testSub2'
sub = 4
self.assertEquals(sub, 4)
if __name__ == '__main__':
unittest.main()
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