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Iterate over object keys in node.js
Since Javascript 1.7 there is an Iterator object, which allows this:
5 Answers
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“Inspect” a hover element?
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If the hover effect is given with CSS then yes, I normally use two options to get this:
One, to see the hover effect when the mouse leave the hover area:
Open the inspector in docked window and increase the width until reach your HTML element, then right click and the popup men...
How to prevent buttons from submitting forms
...just plain idiotic, and a huge mistake in the spec. I use buttons in forms all the time, and even if it were an edge case (which it isn't), it'd still make sense to have the default type be submit.
– dudewad
Oct 27 '15 at 22:54
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jQuery pitfalls to avoid [closed]
...ed");
});
I found this the enlightening moment when I realized how the call stacks work.
Edit: incorporated suggestions in comments.
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How do I iterate through children elements of a div using jQuery?
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Use children() and each(), you can optionally pass a selector to children
$('#mydiv').children('input').each(function () {
alert(this.value); // "this" is the current element in the loop
});
You could also just use the immediate child selector:
$('#mydiv >...
MySQL integer field is returned as string in PHP
...row array had appropriate data types. Now I'm having to write code to manually cast every element to the data type I'm expecting.
– GordonM
Mar 25 '11 at 10:14
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The key must be an application-specific resource id
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That's the best way to get unique tag id ? Really Android ?
– jimmy0251
Mar 13 '15 at 10:24
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How to change language settings in R
... of the abbreviations can be found here.
Sys.getenv() gives you a list of all the environment variables that are set.
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Fastest way to replace NAs in a large data.table
....805 12.301 134.985
system.time(a_andrie = f_andrie(dt1))
Error: cannot allocate vector of size 305.2 Mb
Timing stopped at: 14.541 7.764 68.285
system.time(f_dowle(dt1))
user system elapsed
7.452 4.144 19.590 # EDIT has faster than this
identical(a_gdata, dt1)
[1] TRUE
Note th...
Lists in ConfigParser
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It's awesome because it does automatically "cast" values which can be useful if you don't know the types beforehand.
– LeGBT
Oct 26 '14 at 21:26
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