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JavaScript replace/regex
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edited Jul 22 '09 at 2:43
answered Jul 22 '09 at 1:02
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Lambda function in list comprehensions
... calls it ten times.
The second one doesn't call the function. It creates 10 different lambda functions. It puts all of those in a list. To make it equivalent to the first you need:
[(lambda x: x*x)(x) for x in range(10)]
Or better yet:
[x*x for x in range(10)]
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Deleting array elements in JavaScript - delete vs splice
... myArray = ['a', 'b', 'c', 'd']
["a", "b", "c", "d"]
> delete myArray[0]
true
> myArray[0]
undefined
Note that it is not in fact set to the value undefined, rather the property is removed from the array, making it appear undefined. The Chrome dev tools make this distinction clear by pr...
How can I scale an entire web page with CSS?
...{
zoom: 3;
-moz-transform: scale(3);
-moz-transform-origin: 0 0;
}
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Why does git revert complain about a missing -m option?
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CB BaileyCB Bailey
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git shallow clone (clone --depth) misses remote branches
... shallow-description in the technical documentation, a "git-clone --depth 20 repo [...] result[s in] commit chains with a length of at most 20." A shallow clone therefore should contain the requested depth of commits, from the tip of a branch.
As - in addition - the documentation of git clone for t...
Can clearInterval() be called inside setInterval()?
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Yes you can. You can even test it:
var i = 0;
var timer = setInterval(function() {
console.log(++i);
if (i === 5) clearInterval(timer);
console.log('post-interval'); //this will still run after clearing
}, 200);
In this example, this timer clears whe...
setup cron tab to specific time of during weekdays
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Same as you did for hours:
*/2 09-18 * * 1-5 /path_to_script
0 and 7 stand for Sunday
6 stands for Saturday
so, 1-5 means from Monday to Friday
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Boolean operators && and ||
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350
The shorter ones are vectorized, meaning they can return a vector, like this:
((-2:2) >= 0) ...
How to cherry pick from 1 branch to another
...8
Paolo
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answered Mar 14 '11 at 20:59
CanSpiceCanSpice
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