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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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trying to align html button at the center of the my page [duplicate]

... position: absolute; top: 50%; } There are many ways to skin a cat, and this is just one. share | improve this answer | follow | ...
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Error: The processing instruction target matching “[xX][mM][lL]” is not allowed

...s can happen when XML files are combined programmatically or via cut-and-paste. There can only be one <?xml ?> declaration in an XML file, and it can only be at the top. Resolution: Search for <?xml in a case-insensitive manner, and remove all but the top XML declaration from the...
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Is null reference possible?

Is this piece of code valid (and defined behavior)? 4 Answers 4 ...
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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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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 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. ...