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How to send a message to a particular client with socket.io
I'm starting with socket.io + node.js, I know how to send a message locally and to broadcast socket.broadcast.emit() function:- all the connected clients receive the same message.
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@Resource vs @Autowired
Which annotation, @Resource ( jsr250 ) or @Autowired (Spring-specific) should I use in DI?
11 Answers
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How to test that no exception is thrown?
I know that one way to do it would be:
15 Answers
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Are arrays in PHP copied as value or as reference to new variables, and when passed to functions?
1) When an array is passed as an argument to a method or function, is it passed by reference, or by value?
8 Answers
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When to use IList and when to use List
I know that IList is the interface and List is the concrete type but I still don't know when to use each one. What I'm doing now is if I don't need the Sort or FindAll methods I use the interface. Am I right? Is there a better way to decide when to use the interface or the concrete type?
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How to sleep for five seconds in a batch file/cmd [duplicate]
Windows's Snipping tool can capture the screen, but sometimes I want to capture the screen after five seconds, such as taking an image being displayed by the webcam. (Run the script and smile at the camera, for example.)
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Is there a short contains function for lists?
I see people are using any to gather another list to see if an item exists in a list, but is there a quick way to just do?:
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Why doesn't Objective-C support private methods?
I've seen a number of strategies for declaring semi-private methods in Objective-C , but there does not seem to be a way to make a truly private method. I accept that. But, why is this so? Every explanation I've essentially says, "you can't do it, but here's a close approximation."
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Java volatile reference vs. AtomicReference
Is there any difference between a volatile Object reference and AtomicReference in case I would just use get() and set() -methods from AtomicReference ?
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Curl GET request with json parameter
I am trying to send a "GET" request to a remote REST API from Command Prompt via cURL like this:
7 Answers
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