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What are Long-Polling, Websockets, Server-Sent Events (SSE) and Comet?
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Tieme put a lot of effort into his excellent answer, but I think the core of the OPs question is how these technologies relate to PHP rather than how each technology works.
PHP is the most used language in web development besides the obvious client side html...
How to detect if a specific file exists in Vimscript?
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@metaphy that's an excellent comment, I've added an answer based on that to give it more visibility, but if you want the credit feel free to add your own answer and I'll delete mine.
– icc97
Nov 8 '18 at 1...
Why are unnamed namespaces used and what are their benefits?
...ce is that the a1 in the anonymous namespace gets a unique name.
Read the excellent article at comeau-computing Why is an unnamed namespace used instead of static? (Archive.org mirror).
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How do I reset a sequence in Oracle?
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Upvoted because this is an excellent approach. Only downside is that it can result in unpredictable behaviour in a RAC system, where l_current may be one of various values, depending on which node the script is run; re-running the script can result in ...
Convert generic List/Enumerable to DataTable?
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This is an excellent answer. I would love to see this example expanded out to handle a group by list that would contain an item property and have columns created in the same way above.
– Unknown Coder
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Netty vs Apache MINA
...tionality we already had on MINA, we did so from scratch. By following the excellent documentation and examples we ended up with more functionality in much, much less code.
The Netty Pipeline worked better for us. It is somehow simpler than MINAs, where everything is a handler and it is up to you t...
Detect rotation of Android phone in the browser with JavaScript
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two-bit-fool's excellent answer provides all the background, but let me attempt a concise, pragmatic summary of how to handle orientation changes across iOS and Android:
If you only care about window dimensions (the typical scenario) - an...
Load “Vanilla” Javascript Libraries into Node.js
...irty is what you need. Between this and David's answer, this SO page is an excellent resource.
– Michael Scheper
Feb 26 '15 at 2:47
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What is the difference between Tomcat, JBoss and Glassfish?
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+1, excellent answer, though I subscribe to @Arjan's comment: really the memory used by these servers themselves is not that important as compared to how much memory a deployed application will need (and THAT depends strongly on ...
When should I use uuid.uuid1() vs. uuid.uuid4() in python?
...bad random-number generator makes it more likely to have collisions.
This excellent answer by Bob Aman sums it up nicely. (I recommend reading the whole answer.)
Frankly, in a single application space
without malicious actors, the
extinction of all life on earth will
occur long before you...