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Why do browsers match CSS selectors from right to left?
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Keep in mind that when a browser is doing selector matching it has one element (the one it's trying to determine style for) and all your rules and their selectors and it needs to find which rules match the element. This is different from the usual jQuery th...
std::next_permutation Implementation Explanation
...ements as digits and the permutations as numbers. Viewing the problem in this way we want to order the permutations/numbers in "ascending" order.
When we order numbers we want to "increase them by the smallest amount". For example when counting we don't count 1, 2, 3, 10, ... because there are stil...
How to set breakpoints in inline Javascript in Google Chrome?
...le to set breakpoints both in js files and within html and javascript code is missing! I tried to use the javascript console, which itself is buggy - for example, once it encounters a JS error, I cannot get out of it unless I refresh the whole page. Can someone help?
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Detect Retina Display
...provides an easy way to check if the currentDevice has an high-resolution display (retina) ?
14 Answers
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The data-toggle attributes in Twitter Bootstrap
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It is a Bootstrap data attribute that automatically hooks up the element to the type of widget it is. Data-* is part of the html5 spec, and data-toggle is specific to Bootstrap.
Some Examples:
data-toggle="modal"
data-toggle="...
Android Studio Editor Font Sizing
Is there any way to make the editor text larger in Android Studio?
10 Answers
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What's wrong with foreign keys?
...lps the Optimizer plan your queries for most efficient execution, since it is able to get better estimates on join cardinality.
FKs give a pretty big hint on what statistics are most important to collect on the database, which in turn leads to better performance
they enable all kinds of auto-genera...
parseInt vs unary plus, when to use which?
What are the differences between this line:
5 Answers
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How to delete multiple values from a vector?
...LSE FALSE
> a [! a %in% remove]
[1] 10 7 1 6 4 8 9
Note that this will silently remove incomparables (stuff like NA or Inf) as well (while it will keep duplicate values in a as long as they are not listed in remove).
If a can contain incomparables, but remove will not, we can use matc...
Matplotlib discrete colorbar
I am trying to make a discrete colorbar for a scatterplot in matplotlib
7 Answers
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