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Determining whether jQuery has not found any element
...t(0) !== undefined
$('#my_selector')[0] !== undefined
This is the basic, now do whatever you want.
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A Regex that will never be matched by anything
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Interestingly, my original with a simple literal that I "know" won't appear in my input turns out to be fastest, in Python. With a 5MB input string, and using this in a sub() operation, (?!x)x takes 21% longer, (?!()) is 16%, and ($^) 6% longer. May be significant in some cases, t...
angularjs newline filter with no other html
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You can now skip the noHtml filter if you want and just add the newLines filter to ng-bind-html. ngSanitize will take care of the rest.
– Dave Merwin
Aug 1 '14 at 20:20
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jQuery removing '-' character from string
...el.text().replace('-', '');
if you have done it that way variable string now holds "123456"
you can also (i guess the better way) do this...
$mylabel.text("-123456");
$mylabel.text(function(i,v){
return v.replace('-','');
});
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How do I wrap text in a pre tag?
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I know this I'm late to this game, but why is this solution better than setting it once in the stylesheet? I have multiple divs on one HTML output screen that would need this. Seems like a single fix to the element in the styles...
How to load all modules in a folder?
...lobals())
del module
Then, from your code do this:
import Foo
You can now access the modules with
Foo.bar
Foo.eggs
Foo.spam
etc. from Foo import * is not a good idea for several reasons, including name clashes and making it hard to analyze the code.
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Merge/flatten an array of arrays
... native method called flat to do this exactly.
(As of late 2019, flat is now published in the ECMA 2019 standard, and core-js@3 (babel's library) includes it in their polyfill library)
const arr1 = [1, 2, [3, 4]];
arr1.flat();
// [1, 2, 3, 4]
const arr2 = [1, 2, [3, 4, [5, 6]]];
arr2.flat();
/...
What's the point of 'const' in the Haskell Prelude?
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Blog link in the answer is dead. It should now point here: brandon.si/code/…
– nsxt
Jul 11 '15 at 3:46
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How can I reset or revert a file to a specific revision?
...file which has been committed a few times as part of a group of files, but now want to reset/revert the changes on it back to a previous version.
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Why am I getting error for apple-touch-icon-precomposed.png
... I found a nice article that details everything I wanted to know (and more): mathiasbynens.be/notes/touch-icons
– Alexis
May 22 '13 at 15:02
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