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CSS performance relative to translateZ(0)

A number of blogs have expressed the performance gain in 'tricking' the GPU to think that an element is 3D by using transform: translateZ(0) to speed up animations and transitions. I was wondering if there are implications to using this transform in the following manner: ...
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In Python, how do you convert seconds since epoch to a `datetime` object?

The time module can be initialized using seconds since epoch: 4 Answers 4 ...
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jQuery - select all text from a textarea

How can I make it so when you click inside a textarea, its entire content gets selected? 6 Answers ...
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HTML span align center not working?

... A div is a block element, and will span the width of the container unless a width is set. A span is an inline element, and will have the width of the text inside it. Currently, you are trying to set align as a CSS property. Align is an attribute. <span align="center" style="border:1...
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How can I increment a char?

I'm new to Python, coming from Java and C. How can I increment a char? In Java or C, chars and ints are practically interchangeable, and in certain loops, it's very useful to me to be able to do increment chars, and index arrays by chars. ...
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What does it mean in shell when we put a command inside dollar sign and parentheses: $(command)

I just want to understand following line of code in shell. It is used to get the current working directory. I am aware that $(variable) name return the value inside the variable name, but what is $(command) supposed to return? Does it return the value after executing the command? In that case, w...
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What's the difference between lists enclosed by square brackets and parentheses in Python?

...e brackets are lists while parentheses are tuples. A list is mutable, meaning you can change its contents: >>> x = [1,2] >>> x.append(3) >>> x [1, 2, 3] while tuples are not: >>> x = (1,2) >>> x (1, 2) >>> x.append(3) Traceback (most recent ...
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How to percent-encode URL parameters in Python?

... Python 2 From the docs: urllib.quote(string[, safe]) Replace special characters in string using the %xx escape. Letters, digits, and the characters '_.-' are never quoted. By default, this function is intended for quoting the path section of the URL....
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Reading a string with scanf

I'm a little bit confused about something. I was under the impression that the correct way of reading a C string with scanf() went along the lines of ...
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Is there a way to use two CSS3 box shadows on one element?

I'm trying to replicate a button style in a Photoshop mock-up that has two shadows on it. The first shadow is an inner lighter box shadow (2px), and the second is a drop shadow outside the button (5px) itself. ...