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Black transparent overlay on image hover with only CSS?
...ightness(50%);
}
JSFiddle Demo
References
https://dvcs.w3.org/hg/FXTF/raw-file/tip/filters/index.html
http://www.html5rocks.com/en/tutorials/filters/understanding-css/
https://developer.mozilla.org/en-US/docs/Web/CSS/filter
http://davidwalsh.name/css-filters
http://net.tutsplus.com/tutorials/ht...
Check if database exists in PostgreSQL using shell
...-f1 | grep -qxF "$DB_NAME"
The -t and -A options make sure the output is raw and not "tabular" or whitespace-padded output. Columns are separated by the pipe character |, so either the cut or the grep has to recognize this. The first column contains the database name.
EDIT: grep with -x to preven...
How to detect if multiple keys are pressed at once using JavaScript?
...or myself in this example, the concept works just as well when working in 'raw' Javascript.
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How to inspect FormData?
...
console.log(...fd)
Longer answer
If you would like to inspect what the raw body would look like then you could use the Response constructor (part of fetch API)
var fd = new FormData
fd.append("key1", "value1")
fd.append("key2", "value2")
new Response(fd).text().then(console.log)
...
How can I get useful error messages in PHP?
... get a blank screen use IEs "view" -> "source" menu options to view the raw output.
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How to randomize (shuffle) a JavaScript array?
...om element for each original array element, and excludes it from the next draw, like picking randomly from a deck of cards.
This clever exclusion swaps the picked element with the current one, then picks the next random element from the remainder, looping backwards for optimal efficiency, ensuring ...
How does free know how much to free?
...mory region in whatever form relevant to the allocator in use, for example raw size, or a node in a binary tree used to track allocations, or a count of memory "units" in use.
free will not fail if you "rename" the pointer, or duplicate it in any way. It is not however reference counted, and only t...
Collections.emptyMap() vs new HashMap()
...Y_SET etc.) is that they play nicely with generics. Plus, using a feature (raw types) that has been deprecated since Java 5 isn't a good teaching aid.
– Daniel Pryden
Feb 13 '13 at 6:07
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Why does pthread_cond_wait have spurious wakeups?
...ng the predicate solves the problem. IMO, in general, users shouldn't use raw POSIX mutexes and conditionals.
– CubicleSoft
May 23 '16 at 9:40
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ByteBuffer.allocate() vs. ByteBuffer.allocateDirect()
...e
byte elements in a memory area that a
channel can use for direct, or raw,
access by using native code to tell
the operating system to drain or fill
the memory area directly.
Direct byte buffers are usually the
best choice for I/O operations. By
design, they support the most
ef...