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Socket.io rooms difference between broadcast.to and sockets.in
Socket.io's readme contains the following example:
5 Answers
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Pointers in C: when to use the ampersand and the asterisk?
I'm just starting out with pointers, and I'm slightly confused. I know & means the address of a variable and that * can be used in front of a pointer variable to get the value of the object that is pointed to by the pointer. But things work differently when you're working with arrays, string...
Order of event handler execution
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Currently, they are executed in the order they are registered. However, this is an implementation detail, and I would not rely on this behavior staying the same in future versions, since it is not required by specifications.
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How to assert output with nosetest/unittest in python?
I'm writing tests for a function like next one:
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When to use PNG or JPG in iPhone development?
I have an app that will display a bunch of images in a slideshow. Those images will be part of the bundle, thus distributed with the app.
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Append a NumPy array to a NumPy array
I have a numpy_array. Something like [ a b c ] .
9 Answers
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Auto line-wrapping in SVG text
I would like to display a <text> in SVG what would auto-line-wrap to the container <rect> the same way as HTML text fills <div> elements. Is there a way to do it? I don't want to position lines sparately by using <tspan> s.
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How can I selectively escape percent (%) in Python strings?
I have the following code
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Insert, on duplicate update in PostgreSQL?
...d from an answer on Stack Overflow how to perform multiple updates at once in MySQL using the following syntax:
16 Answers
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What's the difference between comma separated joins and join on syntax in MySQL? [duplicate]
... to have a table "Person" with a column "id" that references a column "id" in table "Worker"
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