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Does Ruby have a string.startswith(“abc”) built in method?
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340
It's called String#start_with?, not String#startswith: In Ruby, the names of boolean-ish methods...
Newline in markdown table?
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edited Jan 13 '15 at 20:41
answered Aug 25 '12 at 5:03
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How to increment a pointer address and pointer's value?
...else?
– felipemaia
Nov 21 '11 at 15:03
@Lundin Hi, is the answer above corrected now? Thanks.
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How to get a DOM Element from a JQuery Selector
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You can access the raw DOM element with:
$("table").get(0);
or more simply:
$("table")[0];
There isn't actually a lot you need this for however (in my experience). Take your checkbox example:
$(":checkbox").click(function() {
if ($(this).is(":checked")) {
// do stuff
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How can I create a UIColor from a hex string?
How can I create a UIColor from a hexadecimal string format, such as #00FF00 ?
47 Answers
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Making interface implementations async
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answered Jan 22 '13 at 13:00
svicksvick
205k4747 gold badges335335 silver badges455455 bronze badges
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What is the “main file” property when doing bower init?
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60
According to the Bower.io documentation
main
Recommended Type: String or Array of ...
FragmentPagerAdapter Exists Only In Android.Support.V4.App (and not Android.App)
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202
There is one that is in android.support.v13.app.FragmentPagerAdapter, which should do what you ...
In tmux can I resize a pane to an absolute value
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answered Apr 23 '13 at 0:26
dcatdcat
1,09699 silver badges66 bronze badges
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Join strings with a delimiter only if strings are not null or empty
...ple:
[...].filter(x => typeof x === 'string' && x.length > 0)
will only keep non-empty strings in the list.
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(obsolete jquery answer)
var address = "foo";
var city;
var state = "bar";
var zip;
text = $.grep([address, city, state, zip], Boolean).join(", "); // foo, bar
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