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My Understanding of HTTP Polling, Long Polling, HTTP Streaming and WebSockets
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There are more differences than the ones you have identified.
Duplex/directional:
Uni-directional: HTTP poll, long poll, streaming.
Bi-direcitonal: WebSockets, plugin networking
In order of increasing latency (approximate):
WebS...
How do I get the number of days between two dates in JavaScript?
...ad the documentation for the Date object and its methods, and for anything more complicated, strongly consider using a library that offers more safe and powerful APIs for date manipulation.
Numbers and Dates -- MDN JavaScript Guide
Date -- MDN JavaScript reference
Also, for illustration purposes...
Something like 'contains any' for Java set?
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169
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What is the Swift equivalent to Objective-C's “@synchronized”?
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You can use GCD. It is a little more verbose than @synchronized, but works as a replacement:
let serialQueue = DispatchQueue(label: "com.test.mySerialQueue")
serialQueue.sync {
// code
}
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Read entire file in Scala?
...o thank you for turning scala.io into something decent and worthy. I'll be more vocal in my thanks from now on, but I still hate the name, sorry.
– Daniel C. Sobral
Aug 26 '09 at 17:50
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PostgreSQL disable more output
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This answer was more helpful than anything about -P in the man pages. Thanks!
– nortally
May 5 '16 at 22:55
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Detect all changes to a (immediately) using JQuery
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124
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How to make IntelliJ IDEA insert a new line at every end of file?
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Is it possible to force only one? I.e. if there is 2 or more it deletes the extra newlines?
– Pylinux
Oct 25 '14 at 11:28
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PostgreSQL: Is it better to use multiple databases with one schema each, or one database with multip
...ingle schema of those, though. I'm running a single postgres database with more than 3000 schemas and pg_dump just fails with an out of memory error if you try to dump a single schema. I wonder if this would be any different had I 3000 databases instead.
– Machisuji
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Convert integer into its character equivalent, where 0 => a, 1 => b, etc
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Will be more portable in case of extending to other alphabets:
char='abcdefghijklmnopqrstuvwxyz'[code]
or, to be more compatible (with our beloved IE):
char='abcdefghijklmnopqrstuvwxyz'.charAt(code);
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