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Performance of FOR vs FOREACH in PHP
...ing slower for reference there as well. Did the foreach change in 5.3.0 to convert any array() to a object (eg. SplFixedArray)?
– srcspider
Aug 7 '10 at 14:12
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Check if string contains only digits
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however if you don't use a float rather int it will return false maybe using "?" after ".\" solved that. I suggest this /^\d+[\.,\,]?\d+$/.test(value) to allow both comma and point decimal (later maybe can transform comma to point)
– Lucke
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Why static classes cant implement interfaces? [duplicate]
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Interfaces can't have static methods. A class that implements an interface needs to implement them all as instance methods. Static classes can't have instance methods. QED.
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How do I put a variable inside a string?
I would like to put an int into a string . This is what I am doing at the moment:
8 Answers
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What is DOM Event delegation?
...ript library
Closures vs Event delegation: takes a look at the pros of not converting code to use event delegation
Interesting approach PPK uncovered for delegating the focus and blur events (which do not bubble)
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Why em instead of px?
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There is no way to convert between ems and pixels, unless you know what the size of an 'em' is in pixels, in that context. That can depend on the inherited font size of that element, which can in turn depend on the font size of the document as...
Numpy array dimensions
...mally defined as the minimum number of coordinates needed to specify any point within a space. But in Numpy, according to the numpy doc, it's the same as axis/axes:
In Numpy dimensions are called axes. The number of axes is rank.
In [3]: a.ndim # num of dimensions/axes, *Mathematics definitio...
How to set a Fragment tag by code?
...ion of the compatibility sources as I briefly looked for similar at some point in the past.
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Using HTML5/Canvas/JavaScript to take in-browser screenshots
...representation of that using canvas. I have been working on a script which converts HTML into a canvas image. Decided today to make an implementation of it into sending feedbacks like you described.
The script allows you to create feedback forms which include a screenshot, created on the client's b...
Random hash in Python
...f you want a random one:
import random
hash = random.getrandbits(128)
print("hash value: %032x" % hash)
I don't really see the point, though. Maybe you should elaborate why you need this...
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