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socket.io rooms or namespacing?
...WebSocket) connection
The server will transmit messages over the wire only to those clients that connected to / joined a nsp / room, i.e. it's not just client-side filtering
The differences:
namespaces are connected to by the client using io.connect(urlAndNsp) (the client will be added to that n...
How can I make a weak protocol reference in 'pure' Swift (without @objc)
weak references don't seem to work in Swift unless a protocol is declared as @objc , which I don't want in a pure Swift app.
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C pointer to array/array of pointers disambiguation
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int* arr[8]; // An array of int pointers.
int (*arr)[8]; // A pointer to an array of integers
The third one is same as the first.
The general rule is operator precedence. It can get even much more complex as function pointers come into the picture.
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What is std::move(), and when should it be used?
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Wikipedia Page on C++11 R-value references and move constructors
In C++11, in addition to copy constructors, objects can have move constructors.
(And in addition to copy assignment operators, they have move assignment operators.)
The move constructor is used instead of the copy cons...
How to get the separate digits of an int number?
I have numbers like 1100, 1002, 1022 etc. I would like to have the individual digits, for example for the first number 1100 I want to have 1, 1, 0, 0.
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Add custom icons to font awesome
I love the Font Awesome icon font and want to use it for most of the icons on my site but there are a few custom svg icons that I'd need in addition to what's offered.
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What is the basic difference between the Factory and Abstract Factory Design Patterns? [closed]
What is the basic difference between the Factory and Abstract Factory Patterns?
19 Answers
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Reverting to a specific commit based on commit id with Git? [duplicate]
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Do you want to roll back your repo to that state? Or you just want your local repo to look like that?
if you do
git reset --hard c14809fa
It will make your local code and local history be just like it was at that commit. But then if...
Add context path to Spring Boot application
I am trying to set a Spring Boot applications context root programmatically. The reason for the context root is we want the app to be accessed from localhost:port/{app_name} and have all the controller paths append to it.
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Store pictures as files or in the database for a web app?
My question is fairly generic and I know there might not be an 100% answer to it. I'm building an ASP .NET web solution that will include a lot of pictures and hopefully a fair amount of traffic. I do really want to achieve performance.
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