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Differences between socket.io and websockets
...between WebSocket and Socket.IO:
https://www.npmjs.com/package/websocket-vs-socket.io
https://github.com/rsp/node-websocket-vs-socket.io
It is a simple example of server-side and client-side code - the client connects to the server using either WebSocket or Socket.IO and the server sends three m...
Find() vs. Where().FirstOrDefault()
...formances on using the .Find() in specific scenarios Performance of Find() vs. FirstOrDefault()
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JavaScript property access: dot notation vs. brackets?
...tion is faster (for me at least) test your browser jsperf.com/dot-notation-vs-bracket-notation/2
– Dave Chen
May 23 '13 at 16:55
4
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jQuery.inArray(), how to use it right?
...= new Array("php", "tutor");
if( $.inArray("php", myArray) !== -1 ) {
alert("found");
}
Reference
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MSBuild doesn't copy references (DLL files) if using project dependencies in solution
... contain any code that explicitly uses assembly B (e.g. B.SomeFunction()), VS/MSBuild doesn't detect that B is required by X, and thus doesn't copy it over into project Y's bin directory; it only copies the X and A assemblies.
Solution
You have two options to solve this problem, both of which will...
IPN vs PDT in Paypal
...'t guarantee message delivery. Here is link to doc covering that topic PDT vs IPN.
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ping response “Request timed out.” vs “Destination Host unreachable”
When I ping an IP address, what is the difference between Request timed out and Destination host unreachable returned from the command?
...
System.Timers.Timer vs System.Threading.Timer
... just same as asked in this question: Thread-safety of System.Timers.Timer vs System.Threading.Timer, or perhaps everyone just means that:
it's easy to write race conditions when you're using timers. E.g. see this question:
Timer (System.Threading) thread safety
re-entrancy of timer notifications,...
WaitAll vs WhenAll
...rdering a takeaway and then standing by the door waiting for it to arrive, vs ordering a takeaway, doing other stuff and then opening the door when the courier arrives...
– Jon Skeet
Dec 1 '15 at 21:37
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What is the purpose of setting a key in data.table?
... 20,000 joins like this on a full table of zip codes. With data tables the script took about 20 min. to run. I didn't even try it with data frames because it would have taken more than 2 weeks.
IMHO you should not just read but study the FAQ and Intro material. It's easier to grasp if you have an a...