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Why are private fields private to the type, not the instance?

...this); } } Can the compiler necessarily figure out that other is actually this? Not in all cases. One could argue that this just shouldn't compile then, but that means we have a code path where a private instance member of the correct instance isn't accessible, which I think is even worse. On...
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Why is this inline-block element pushed downward?

... and I want to understand that why #firstDiv is being pushed downward by all browsers. I really want to understand the inner workings of the fact that why its being pushed downward rather than pulling it upward by one way or another. (and I know how to align their tops :)) ...
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C# vs Java Enum (for those new to C#)

...tances of that class: using System; using System.Collections.Generic; namespace ConsoleApplication1 { class Program { static void Main(string[] args) { Planet planetEarth = Planet.MERCURY; double earthRadius = pEarth.Radius; // Just threw it in to s...
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Difference between Covariance & Contra-variance

...ng function that associates one member of a set with another. More specifically, a mapping can be covariant or contravariant with respect to a relation on that set. Consider the following two subsets of the set of all C# types. First: { Animal, Tiger, Fruit, Banana }. And second, this c...
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What happens when a computer program runs?

... It really depends on the system, but modern OSes with virtual memory tend to load their process images and allocate memory something like this: +---------+ | stack | function-local variables, return addresses, return values, e...
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How can I view the source code for a function?

...a.frame" x="Raster", y="Extent" x="Raster", y="matrix" x="Raster", y="SpatialLines" x="Raster", y="SpatialPoints" x="Raster", y="SpatialPolygons" x="Raster", y="vector" To see the source code for one of these methods the entire signature must be supplied, e.g. getMethod("extract" , signature = c(...
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What are the differences between git branch, fork, fetch, merge, rebase and clone?

... Subversion and DVCSs like Git is that in Git, when you clone, you are actually copying the entire source repository, including all the history and branches. You now have a new repository on your machine and any commits you make go into that repository. Nobody will see any changes until you push tho...
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Functional, Declarative, and Imperative Programming [closed]

...ve expression is the referential transparency (RT) of its sub-expressions. All other attributes are either shared between both types of expressions, or derived from the RT. A 100% declarative language (i.e. one in which every possible expression is RT) does not (among other RT requirements) allow th...
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How do I prevent site scraping? [closed]

...es, these work by extracting data from pages based on patterns in HTML, usually ignoring everything else. For example: If your website has a search feature, such a scraper might submit a request for a search, and then get all the result links and their titles from the results page HTML, in order t...
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How to detect reliably Mac OS X, iOS, Linux, Windows in C preprocessor? [duplicate]

... Apple platform" #endif #elif __linux__ // linux #elif __unix__ // all unices not caught above // Unix #elif defined(_POSIX_VERSION) // POSIX #else # error "Unknown compiler" #endif The defined macros depend on the compiler that you are going to use. The _WIN64 #ifdef can be nes...