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What is the purpose of the “role” attribute in HTML?
...porting specs like HTML-AAM. Some of the new HTML5 elements (dialog, main, etc.) are even based on the original ARIA roles.
http://www.w3.org/TR/wai-aria/
There are a few primary reasons to use roles in addition to your native semantic element.
Reason #1. Overriding the role where no host language e...
scp or sftp copy multiple files with single command
... Does this work if my destination is root and I'm doing the etc directory like for example: scp -r /backups/etc root@linuxbox:/ where my source is a very sparse directory with things like "hosts" and nginx/sites-available etc ?
...
What are enums and why are they useful?
... even though they don't make much sense for the singleton: ord and values, etc. (There's actually a trickier simulation where Color extends Integer that will work with switch, but it's so tricky that it even more clearly shows why enum is a better idea.)
Thread safety
Thread safety is a potential...
How do you configure Django for simple development and deployment?
...
settings as well: different logging locations / intensities,
media paths, etc.
14 Answers
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Unit test, NUnit or Visual studio?
...nning those
tests is slow, whether it's running a
test suite, single tests etc.
The need to keep a Test-Metadata file
which always leads to complications
when several developers are working
on it (recreating e.g. the metadata
etc.). Every other test suite doesn't
need a metadata file. It is kind of
...
Android Archive Library (aar) vs standard jar
... Jar and a AAR is that AARs include
resources such as layouts, drawables etc. This makes it a lot easier
to create self-contained visual components. For example if you have
multiple apps that use the same login screen, with Jars you could
share classes but not the layout, styles, etc., you s...
What is the standard naming convention for html/css ids and classes?
...ace where hyphens work, because they're almost always in quotes or in css, etc. But the shortcut thing still applies.
In addition to variables, class names, and ids, you also want to look at file name conventions. And Git Branches.
My office's coding group actually had a meeting a month or two a...
How does a language expand itself? [closed]
...hole story. PCs, for example, commonly address serial ports, disk drives, etc using the x86's "I/O ports", a whole different mechanism. (The video buffer is usually memory-mapped, but video modes etc are typically controlled via I/O ports.)
– cHao
Jul 28 '14 ...
Javascript foreach loop on associative array object
...hat the Object.keys() function is available on modern browsers and in Node etc. That function returns the "own" keys of an object, as an array:
Object.keys(arr_jq_TabContents).forEach(function(key, index) {
console.log(this[key]);
}, arr_jq_TabContents);
The callback function passed to .forEach...
Convert a bitmap into a byte array
...Marshal.Copy for a simple fast copy without any intermediate memorystreams etc.
– deegee
Jun 21 '13 at 21:31
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