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How do Google+ +1 widgets break out of their iframe?
...me. This JavaScript widget is running within the context of your website and therefore is not constrained by the Origin Inheritance Rules for iframes. Therefore this JavaScript widget can set whatever DOM events it wants on the parent site even though it appears to be just a simple iframe.
Anot...
Fastest way to duplicate an array in JavaScript - slice vs. 'for' loop
...or blink browsers slice() is the fastest method, concat() is a bit slower, and while loop is 2.4x slower.
for other browsers while loop is the fastest method, since those browsers don't have internal optimizations for slice and concat.
This remains true in Jul 2016.
Below are simple scripts that ...
memory_get_peak_usage() with “real usage”
... the number of bytes requested by calls to emalloc (plus bytes for headers and memory alignment). It doesn't reflect memory wasted due to blocks not fitting into space remaining in already allocated segments. If you change your example to allocate (1024 * 256) bytes and a 2M limit, the difference of...
LIKE vs CONTAINS on SQL Server
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The second (assuming you means CONTAINS, and actually put it in a valid query) should be faster, because it can use some form of index (in this case, a full text index). Of course, this form of query is only available if the column is in a full text index. If it isn...
How to merge two sorted arrays into a sorted array? [closed]
This was asked of me in an interview and this is the solution I provided:
31 Answers
3...
What is the best method of handling currency/money?
...on.
If you insist on using integers, you will have to manually convert to and from BigDecimals everywhere, which will probably just become a pain.
As pointed out by mcl, to print the price, use:
number_to_currency(price, :unit => "€")
#=> €1,234.01
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Difference between 'self' and 'total' in Chrome CPU Profile of JS
What is the difference between the 'self' and 'total' columns in the Chrome CPU profiling of JS code?
2 Answers
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Strip Leading and Trailing Spaces From Java String
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what all does it replace? Spaces and newlines maybe ?
– Someone Somewhere
Sep 9 '14 at 22:19
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Adding rounded corner and drop shadow to UICollectionViewCell
... to add it in UICollectionViewCell . I subclassed UICollectionViewCell , and here is my code where I add various UI elements to the cell's content view and adding shadow to the layer:
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How can I round down a number in Javascript?
... by JavaScript - can be emulated by using Math.ceil() for negative numbers and Math.floor() for positive numbers.
+3.5 => +3.0 using Math.floor()
-3.5 => -3.0 using Math.ceil()
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