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How can I tell PyCharm what type a parameter is expected to be?

When it comes to constructors, and assignments, and method calls, the PyCharm IDE is pretty good at analyzing my source code and figuring out what type each variable should be. I like it when it's right, because it gives me good code-completion and parameter info, and it gives me warnings if I try t...
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How do you truncate all tables in a database using TSQL?

... EXEC sp_MSForEachTable 'TRUNCATE TABLE ?' Couple more links for 2000 and 2005/2008.. share | improve this answer | follow | ...
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How does the HyperLogLog algorithm work?

I've been learning about different algorithms in my spare time recently, and one that I came across which appears to be very interesting is called the HyperLogLog algorithm - which estimates how many unique items are in a list. ...
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How to convert a string to an integer in JavaScript?

...k for you, then there are the parseInt, unary plus, parseFloat with floor, and Math.round methods. parseInt: var x = parseInt("1000", 10); // you want to use radix 10 // so you get a decimal number even with a leading 0 and an old browser ([IE8, Firefox 20, Chrome 22 and older][1]) unary plu...
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What does void mean in C, C++, and C#?

Looking to get the fundamentals on where the term " void " comes from, and why it is called void. The intention of the question is to assist someone who has no C experience, and is suddenly looking at a C-based codebase. ...
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How do you render primitives as wireframes in OpenGL?

... glPolygonMode( GL_FRONT_AND_BACK, GL_LINE ); to switch on, glPolygonMode( GL_FRONT_AND_BACK, GL_FILL ); to go back to normal. Note that things like texture-mapping and lighting will still be applied to the wireframe lines if they're enabled, w...
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How do RVM and rbenv actually work?

I am interested in how RVM and rbenv actually work. 5 Answers 5 ...
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Difference between staticmethod and classmethod

What is the difference between a function decorated with @staticmethod and one decorated with @classmethod ? 27 Answers ...
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How do I put an already-running process under nohup?

I have a process that is already running for a long time and don't want to end it. 11 Answers ...
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What's the best practice for primary keys in tables?

...signing tables, I've developed a habit of having one column that is unique and that I make the primary key. This is achieved in three ways depending on requirements: ...