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Should import statements always be at the top of a module?

...an prevent circular dependencies. For example, if you have 2 modules, X.py and Y.py, and they both need to import each other, this will cause a circular dependency when you import one of the modules causing an infinite loop. If you move the import statement in one of the modules then it won't try to...
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How far can memory leaks go?

...erating system maintains: memory, open files, network connections, window handles... That said, if the program is running on an embedded system without an operating system, or with a very simple or buggy operating system, the memory might be unusable until a reboot. But if you were in that situatio...
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What is the use of the @ symbol in PHP?

... I had time to correct my suppress spelling after posting ... and damn you for enhancing with a link at the same time rages :P – Aiden Bell Jun 23 '09 at 12:12 1 ...
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How to format time since xxx e.g. “4 minutes ago” similar to Stack Exchange sites

...answered Jul 5 '10 at 7:45 Sky SandersSky Sanders 32k55 gold badges6161 silver badges8686 bronze badges ...
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How do I print debug messages in the Google Chrome JavaScript Console?

... Improving on Andru's idea, you can write a script which creates console functions if they don't exist: if (!window.console) console = {}; console.log = console.log || function(){}; console.warn = console.warn || function(){}; console.err...
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Undefined reference to vtable

...nswered Jun 17 '10 at 20:06 Alexandre HamezAlexandre Hamez 6,34322 gold badges2525 silver badges3434 bronze badges ...
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Replace all elements of Python NumPy Array that are greater than some value

I have a 2D NumPy array and would like to replace all values in it greater than or equal to a threshold T with 255.0. To my knowledge, the most fundamental way would be: ...
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How to change CSS using jQuery?

... @Ender: using css() all the css is reset and only the css mentioned in this function persists. How can I only add css which is to be changed and retain previous css ? – SimpleGuy Sep 2 at 5:46 ...
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What is an NP-complete in computer science?

... NP stands for Non-deterministic Polynomial time. This means that the problem can be solved in Polynomial time using a Non-deterministic Turing machine (like a regular Turing machine but also including a non-deterministic "choice"...
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Why is printing to stdout so slow? Can it be sped up?

...ement. After some recent painfully slow logging I decided to look into it and was quite surprised to find that almost all the time spent is waiting for the terminal to process the results. ...