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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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“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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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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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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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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Using a strategy pattern and a command pattern

Both design patterns encapsulate an algorithm and decouple implementation details from their calling classes. The only difference I can discern is that the Strategy pattern takes in parameters for execution, while the Command pattern doesn't. ...
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Why not use tables for layout in HTML? [closed]

It seems to be the general opinion that tables should not be used for layout in HTML. 66 Answers ...
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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...
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Is object empty? [duplicate]

... I'm assuming that by empty you mean "has no properties of its own". // Speed up calls to hasOwnProperty var hasOwnProperty = Object.prototype.hasOwnProperty; function isEmpty(obj) { // null and undefined are "empty" if (obj == null) return true; // Assume if it has a...