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Heavy usage of Python at Google [closed]

Google's heavy usage of Python, is it just a matter of taste or does it give them a competitive advantage? 4 Answers ...
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When to use volatile with multi threading?

...le volatile to prevent the compiler caching the variable in a register and it thus not getting updated correctly. However two threads both accessing a shared variable is something which calls for protection via a mutex isn't it? But in that case, between the thread locking and releasing the mutex t...
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Assignment in an if statement

I have a class Animal , and its subclass Dog . I often find myself coding the following lines: 17 Answers ...
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How to create a directory if it doesn't exist using Node.js?

Is this the right way to create a directory if it doesn't exist. It should have full permission for the script and readable by others. ...
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When to choose checked and unchecked exceptions

In Java (or any other language with checked exceptions), when creating your own exception class, how do you decide whether it should be checked or unchecked? ...
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vector::at vs. vector::operator[]

I know that at() is slower than [] because of its boundary checking, which is also discussed in similar questions like C++ Vector at/[] operator speed or ::std::vector::at() vs operator[] << surprising results!! 5 to 10 times slower/faster! . I just don't understand what the at() met...
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Managing CSS Explosion

I have been heavily relying on CSS for a website that I am working on. Right now, all the CSS styles are being applied on a per tag basis, and so now I am trying to move it to more of an external styling to help with any future changes. ...
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“Keep Me Logged In” - the best approach

...ged in, and to maintain that information as they travel from page to page within the app. In this specific application, I'm storing the user_id , first_name and last_name of the person. ...
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What are the differences between struct and class in C++?

...ween class and struct is defined in (11.2): Member of a class defined with the keyword class are private by default. Members of a class defined with the keywords struct or union are public by default. Additional difference: the keyword class can be used to declare template parameters, ...
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What is the preferred syntax for defining enums in JavaScript?

... Since 1.8.5 it's possible to seal and freeze the object, so define the above as: const DaysEnum = Object.freeze({"monday":1, "tuesday":2, "wednesday":3, ...}) or const DaysEnum = {"monday":1, "tuesday":2, "wednesday":3, ...} Object.free...