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parseInt(null, 24) === 23… wait, what?
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240
It's converting null to the string "null" and trying to convert it. For radixes 0 through 23, th...
How do you calculate log base 2 in Java for integers?
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10 Answers
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Is there a library function for Root mean square error (RMSE) in python?
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answered Sep 4 '13 at 20:56
GregGreg
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How do you get the footer to stay at the bottom of a Web page?
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203
To get a sticky footer:
Have a <div> with class="wrapper" for your content.
Right befor...
PHP Pass by reference in foreach [duplicate]
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edited Feb 10 '14 at 13:51
Boaz
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an...
What is the performance cost of having a virtual method in a C++ class?
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104
I ran some timings on a 3ghz in-order PowerPC processor. On that architecture, a virtual functi...
What does T&& (double ampersand) mean in C++11?
...evelopers.
CAUTION: the linked article on MSDN ("Rvalue References: C++0x Features in VC10, Part 2") is a very clear introduction to Rvalue references, but makes statements about Rvalue references that were once true in the draft C++11 standard, but are not true for the final one! Specifically, ...
Installing Python packages from local file system folder to virtualenv with pip
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How do I Sort a Multidimensional Array in PHP [duplicate]
...mething like this:
foreach ($mdarray as $key => $row) {
// replace 0 with the field's index/key
$dates[$key] = $row[0];
}
array_multisort($dates, SORT_DESC, $mdarray);
For PHP >= 5.5.0 just extract the column to sort by. No need for the loop:
array_multisort(array_column($mdarra...
Create tap-able “links” in the NSAttributedString of a UILabel?
...linkAttributes = @{ NSForegroundColorAttributeName : [UIColor colorWithRed:0.05 green:0.4 blue:0.65 alpha:1.0],
NSUnderlineStyleAttributeName : @(NSUnderlineStyleSingle) };
[attributedString setAttributes:linkAttributes range:linkRange];
// Assign attributedText to...