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In what situations would AJAX long/short polling be preferred over HTML5 WebSockets?
... between clients and is transport-agnostic, so it can use UDP, TCP or even more abstract layers. This is generally used for high volume data transfer, such as video/audio streaming, where reliability is secondary and a few frames or reduction in quality progression can be sacrificed in favour of res...
Determine the number of lines within a text file
... write:
var lineCount = File.ReadAllLines(@"C:\file.txt").Length;
For a more efficient method you could do:
var lineCount = 0;
using (var reader = File.OpenText(@"C:\file.txt"))
{
while (reader.ReadLine() != null)
{
lineCount++;
}
}
Edit: In response to questions about effi...
Get querystring from URL using jQuery [duplicate]
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Determine whether an array contains a value [duplicate]
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HTTP redirect: 301 (permanent) vs. 302 (temporary)
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How to find all the tables in MySQL with specific column names in them?
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@Ken : is there a way to add one more filter to your query ? Indeed, selecting the tables where de columnA has a specific value.
– Fred FLECHE
Oct 8 '14 at 12:15
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Should I use pt or px?
... dot it can display measures about 1/100th of an inch (0.25mm) or a little more. The px unit got its name from those screen pixels.
Nowadays there are devices that could in principle display smaller sharp dots (although you might need a magnifier to see them). But documents from the last century tha...
Android error: Failed to install *.apk on device *: timeout
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When to use AtomicReference in Java?
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Why does PHP 5.2+ disallow abstract static class methods?
... see abstract static is back, for good or ill. (see http://php.net/lsb for more info)
CORRECTION (by philfreo)
abstract static is still not allowed in PHP 5.3, LSB is related but different.
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