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Select every Nth element in CSS
...metic expression using the n variable in addition to constant numbers. You can perform addition (+), subtraction (-) and coefficient multiplication (an where a is an integer, including positive numbers, negative numbers and zero).
Here's how you would rewrite the above selector list:
div:nth-child...
Show data on mouseover of circle
I have a set of data that I am plotting in a scatter. When I mouseover one of the circles I would like it to popup with data (like x, y values, maybe more). Here is what I tried using:
...
Difference between Apache CXF and Axis
...m completely biased (PMC Chair of CXF), but my thoughts:
From a strictly "can the project do what I need it to do" perspective, both are pretty equivalent. There some "edge case" things that CXF can do that Axis 2 cannot and vice versa. But for 90% of the use cases, either will work fine.
Thus, ...
What exactly is Java EE?
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Is Java EE just a specification? What I mean is: Is EJB Java EE?
Java EE is indeed an abstract specification. Anybody is open to develop and provide a working implementation of the specification. The concrete implementations are the so-called applic...
When would I use Task.Yield()?
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When you use async/await, there is no guarantee that the method you call when you do await FooAsync() will actually run asynchronously. The internal implementation is free to return using a completely synchronous path.
If you're making an API where it's critical that you don't block and you...
How to properly add cross-site request forgery (CSRF) token using PHP
...29 bits of entropy
md5() doesn't add entropy, it just mixes it deterministically
Try this out:
Generating a CSRF Token
PHP 7
session_start();
if (empty($_SESSION['token'])) {
$_SESSION['token'] = bin2hex(random_bytes(32));
}
$token = $_SESSION['token'];
Sidenote: One of my employer's open...
What are the advantages of NumPy over regular Python lists?
...s in reading and writing items is also faster with NumPy.
Maybe you don't care that much for just a million cells, but you definitely would for a billion cells -- neither approach would fit in a 32-bit architecture, but with 64-bit builds NumPy would get away with 4 GB or so, Python alone would nee...
What is the fastest method for selecting descendant elements in jQuery?
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Method 1 and method 2 are identical with the only difference is that method 1 needs to parse the scope passed and translate it to a call to $parent.find(".child").show();.
Method 4 and Method 5 both need to parse the selector and then just call: $('#paren...
Difference between UTF-8 and UTF-16?
...its, Latin characters with no accents, etc. occupy one byte which is identical to US-ASCII representation. This way all US-ASCII strings become valid UTF-8, which provides decent backwards compatibility in many cases.
No null bytes, which allows to use null-terminated strings, this introduces a grea...
How to have no pagebreak after \include in LaTeX
My LaTeX makes me pagebreaks after each subsection because my subsections are in separate files. I use the command \include{file} which adds a pagebreak after the use of it.
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