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Send message to specific client with socket.io and node.js
I'm working with socket.io and node.js and until now it seems pretty good, but I don't know how to send a message from the server to an specific client, something like this:
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PHP: exceptions vs errors?
... of Error VS the descendants of Exception.
– XedinUnknown
Oct 1 '18 at 14:58
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How do I delete an Azure storage account containing a leased blob?
...Containers tab at the top > click vhds > choose the blob to delete. Now you can delete the storage account.
– chdev77
Jan 17 '16 at 5:41
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Convert a Git folder to a submodule retrospectively?
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filter-branch is deprecated nowadays. You can use git clone --filter, but your Git server must be configured to allow filtering, otherwise you'll get warning: filtering not recognized by server, ignoring.
– Matthias Braun
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Explain how finding cycle start node in cycle linked list work?
...he loop length. After mu additional steps past the meeting point, you are now at X_(i + mu). But we have shown that X_(i + mu) = X_(mu + i) = X_mu, because of this special property of i, so mu steps past the meeting point must take you to X_mu, the start of the cycle. Basically modular arithmetic,...
Session variables in ASP.NET MVC
...his object to be accessed from any part of the website and I don't really know the best way to accomplish this. I know that one solution is to use session variables but I don't know how to use them in asp .net MVC. And where would I declare a session variable? Is there any other way?
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How can I find where I will be redirected using cURL?
...p follow the redirect. I dont want to follow the redirect, I just want to know the url of the redirected page.
– Thomas Van Nuffel
Aug 19 '10 at 8:50
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MySQL case insensitive select
...ic because of certain column values having insensitive case. We needed to know the difference between "GE1234" and "ge1234", they needed to be unique and stay logged that way. We set our column in create table statement this way instead: varchar(20) CHARACTER SET utf8 COLLATE utf8_bin
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how to stop browser back button using javascript
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It's worth mentioning that things have now changed in modern browsers: see stackoverflow.com/questions/19926641/…
– devrobf
Jun 10 '16 at 12:25
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How to remove last n characters from every element in the R vector
...ar_array,"data2"=1:4)
a$data = substr(a$data,1,nchar(a$data)-3)
a should now contain:
data data2
1 foo_ 1
2 bar_ 2
3 ap 3
4 b 4
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