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What is eager loading?

...on't do any calculations until you access an element of the result matrix; and Over-eager loading: this is where you try and anticipate what the user will ask for and preload it. I hope that makes sense in the context you're seeing it. Let me give you a "Webby" example. Imagine a page with rollo...
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Twitter bootstrap 3 two columns full height

...ull-height columns (due to the custom css-table properties which we added) and with ratio 1:3 (Navigation:Content) for medium screen widths and above - (due to bootstrap's default classes: col-md-3 and col-md-9) NB: 1) In order not to mess up bootstrap's native column classes we add another clas...
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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. ...
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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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How do I get PHP errors to display?

I have checked my PHP ini file ( php.ini ) and display_errors is set and also error reporting is E_ALL . I have restarted my Apache webserver. ...
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How to handle multiple cookies with the same name?

...recedence based on other attributes, including the domain, is unspecified, and may vary between browsers. This means that if you have set cookies of the same name against “.example.org” and “www.example.org”, you can’t be sure which one will be sent back. Edit: this information from 2010 ...
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Initialize class fields in constructor or at declaration?

I've been programming in C# and Java recently and I am curious where the best place is to initialize my class fields. 15 An...
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How to install a node.js module without using npm?

... You need to download their source from the github. Find the main file and then include it in your main file. An example of this can be found here > How to manually install a node.js module? Usually you need to find the source and go through the package.json file. There you can find which i...