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What does dot (.) mean in a struct initializer?
I don't understand this C syntax well. I can't even search because I don't know the syntax's name. What's that?
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How do I configure a Python interpreter in IntelliJ IDEA with the PyCharm plugin?
There is a tutorial in the IDEA docs on how to add a Python interpreter in PyCharm, which involves accessing the "Project Interpreter" page. Even after installing the Python plugin, I don't see that setting anywhere.
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Difference between repository and service?
What's the difference between a repository and a service? I don't seem to grasp it.
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How do you write a migration to rename an ActiveRecord model and its table in Rails?
I'm terrible at naming and realize that there are a better set of names for my models in my Rails app. Is there any way to use a migration to rename a model and its corresponding table?
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How to send commands when opening a tmux session inside another tmux session?
A typical situation may be:
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What is the difference between a static and a non-static initialization code block
My question is about one particular usage of static keyword. It is possible to use static keyword to cover a code block within a class which does not belong to any function. For example following code compiles:
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How do I test which class an object is in Objective-C?
How do I test whether an object is an instance of a particular class in Objective-C? Let's say I want to see if object a is an instance of class b, or class c, how do I go about doing it?
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Enumerable.Empty() equivalent for IQueryable
When a method returns IEnumerable<T> and I do not have anything to return, we can use Enumerable.Empty<T>() .
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Where does Git store the SHA1 of the commit for a submodule?
I know that when you add a submodule to a git repository it tracks a particular commit of that submodule referenced by its sha1.
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How to pass command line argument to gnuplot?
I want to use gnuplot to draw figure from data file, say foo.data . Currently, I hardcoded the data file name in the command file, say foo.plt , and run command gnuplot foo.plg to plot data. However, I want to pass the data file name as a command argument, e.g. running command gnuplot foo.plg f...