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The static keyword and its various uses in C++
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std::cout << DesignNumber::m_anyNumber++ << "\n"; //prints 100
std::cout << DesignNumber::m_anyNumber++ << "\n"; //prints 101
return 0;
}
In this example, the static variable m_designNum retains its value and this single private member variable (because it's stat...
What is Node.js? [closed]
...e with locking.
Con: If a compute-intensive request runs for, for example, 100 ms, it will stall processing of other requests that are being handled in the same Node.js process ... AKA, cooperative-multitasking. This can be mitigated with the Web Workers pattern (spinning off a subprocess to deal w...
Relational table naming convention [closed]
...one of them. Be precise.
Diagram_E
Prefix
Where you have more than say 100 tables, prefix the table names with a Subject Area:
REF_ for Reference tables
OE_ for the Order Entry cluster, etc.
Only at the physical level, not the logical (it clutters the model).
Suffix
Never use suffixes on t...
What exactly does git's “rebase --preserve-merges” do (and why?)
...ink about, I have taken a few liberties. (e.g. I don't try to capture with 100% accuracy the precise order in which computations take place, and ignore some less central-seeming topics, e.g. what to do about commits that have already been cherry-picked between branches).
First, note that a non-merg...
Logging best practices [closed]
... Calling something an anti-pattern doesn't mean it's always 100% a bad idea -- just that it creates a tendency to paint yourself into a corner if you're not careful. Also, ILog/LogManager is itself a well written wrapper mini-library in the image of commons-logging that's bundled in ...
What to do Regular expression pattern doesn't match anywhere in string?
...ailing test cases (left :): I’ve successfully run this code on more than 100,000 HTML files — every single one I could quickly and easily get my hands on. Beyond those, I’ve also run it on files specifically constructed to break naïve parsers.
This is not a naïve parser.
Oh, I’m sure it is...
How do SO_REUSEADDR and SO_REUSEPORT differ?
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+100
Welcome to the wonderful world of portability... or rather the lack of it. Before we start analyzing these two options in detail and...
How do I pass a unique_ptr argument to a constructor or a function?
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+100
Here are the possible ways to take a unique pointer as an argument, as well as their associated meaning.
(A) By Value
Base(std::un...
What optimizations can GHC be expected to perform reliably?
...ork duplication. Consider:
let v = rhs
l = \x-> v + x
in map l [1..100]
there inlining v would be dangerous because the one (syntactic) use would translate into 99 extra evaluations of rhs. However, in this case, you would be very unlikely to want to inline it manually either. So essential...
What are Aggregates and PODs and how/why are they special?
...[2] are value initialized, in this case with the default-ctor
int Array1[1000] = {0}; //All elements are initialized with 0;
int Array2[1000] = {1}; //Attention: only the first element is 1, the rest are 0;
bool Array3[1000] = {}; //the braces can be empty too. All elements initialized with fa...