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Why use #ifndef CLASS_H and #define CLASS_H in .h file but not in .cpp?
...ny files #included by it, concatenate them all into one massive text file, and then perform syntax analysis and finally it will convert it to some intermediate code, optimize/perform other tasks, and finally generate the assembly output for the target architecture. Because of this, if a file is #in...
How do I obtain crash-data from my Android application?
How can I get crash data (stack traces at least) from my Android application? At least when working on my own device being retrieved by cable, but ideally from any instance of my application running on the wild so that I can improve it and make it more solid.
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How to choose the right bean scope?
... represents the scope (the lifetime) of the bean. This is easier to understand if you are familiar with "under the covers" working of a basic servlet web application: How do servlets work? Instantiation, sessions, shared variables and multithreading.
@Request/View/Flow/Session/ApplicationScoped
A @...
DateTime.Now vs. DateTime.UtcNow
...nciples of how the two properties work. I know the second one is universal and basically doesn't deal with time zones, but can someone explain in detail how they work and which one should be used in what scenario?
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What's the difference between HEAD, working tree and index, in Git?
Can someone tell me the difference between HEAD, working tree and index, in Git?
5 Answers
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What is a plain English explanation of “Big O” notation?
I'd prefer as little formal definition as possible and simple mathematics.
41 Answers
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Best PHP IDE for Mac? (Preferably free!) [closed]
.... Be prepared to allow half a gig of memory then you'll need to shut down and restart.
Komodo
A step above a Text Editor. Does not support database connections or split views. Color coding and syntax checking are there to an extent. The project control on Komodo is very unwieldy and strange compar...
How do I choose between Tesseract and OpenCV? [closed]
I recently came across Tesseract and OpenCV . It looks like Tesseract is a full-fledged OCR engine and OpenCV can be used as a framework to create an OCR application/service.
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AngularJS : Factory and Service? [duplicate]
...gets attention. Since asking this I've completed a few AngularJS projects, and for those I mostly used factory , built up an object and returned the object at the end. My statements below are still true, however.
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Render a string in HTML and preserve spaces and linebreaks
...As part of that I have a description (retrieved from a db) that has spaces and new lines. When it is rendered the new lines and spaces are ignored by the html. I would like to encode those spaces and new lines so that they aren't ignored.
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