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display:inline vs display:block [duplicate]
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display: block means that the element is displayed as a block, as paragraphs and headers have always been. A block has some whitespace above and below it and tolerates no HTML elements next to it, except when ordered otherwise (by add...
Floating elements within a div, floats outside of div. Why?
...r"></span>
</div>
CSS
span.clear { clear: left; display: block; }
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Using 'return' in a Ruby block
...mbedded scripting language, so that "end-user" code gets written in a Ruby block. One issue with this is that I'd like the users to be able to use the 'return' keyword in the blocks, so they don't need to worry about implicit return values. With this in mind, this is the kind of thing I'd like to ...
When should I use a composite index?
...starts with longitude so that the useful rows are likely to be in the same block. A Stored Routine orchestrates the messy code for doing order by... limit... and for growing the 'square' around the target until you have enough coffee shops (or whatever). It also takes care of the great-circle calc...
HTML5 Canvas vs. SVG vs. div
...vas, but not as much as SVG got improved. Also there is a "new kid" on the block that is available in almost all browsers today and that is WebGL. To use the same words that Simon used above: It beats both Canvas and SVG hands down. This doesn't mean it should be the go-to technology, though, since ...
How do I match any character across multiple lines in a regular expression?
..., but there should be a modifier that you can add to the regex pattern. In PHP it is:
/(.*)<FooBar>/s
The s at the end causes the dot to match all characters including newlines.
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How do I hide javascript code in a webpage?
...s say you are worried about exposing a secret. Let's say you put it into a PHP file and call it via Ajax. Then anyone can call that PHP file and find the secret. There is probably a way to protect secrets using PHP, and I've been struggling to find it. Generate a random number and require that all a...
Does a finally block always get executed in Java?
Considering this code, can I be absolutely sure that the finally block always executes, no matter what something() is?
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Getting DOM elements by classname
I'm using PHP DOM and I'm trying to get an element within a DOM node that have a given class name. What's the best way to get that sub-element?
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Java exception not caught?
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From the Java Language Specification 14.20.2.:
If the catch block completes abruptly for reason R, then the finally block is executed. Then there is a choice:
If the finally block completes normally, then the try statement completes abruptly for reason R.
If the finally block comple...