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Performant Entity Serialization: BSON vs MessagePack (vs JSON)
...of "a" from 1 to 2000.
With MessagePack, 1 uses only 1 byte but 2000 uses 3 bytes. So "b" must be moved backward by 2 bytes, while "b" is not modified.
With BSON, both 1 and 2000 use 5 bytes. Because of this verbosity, you don't have to move "b".
MessagePack has RPC
MessagePack, Protocol Buffers,...
How to make the division of 2 ints produce a float instead of another int?
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313
Just cast one of the two operands to a float first.
v = (float)s / t;
The cast has higher p...
What is the difference between 'typedef' and 'using' in C++11?
...s be used in contexts which allows initialization statements
// C++11 (C++03) (init. statement in for loop iteration statements).
for(typedef int Foo; Foo{} != 0;) {}
// C++17 (if and switch initialization statements).
if (typedef int Foo; true) { (void)Foo{}; }
// ^^^^^^^^^^^^^^^ init-statement
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Apply function to all elements of collection through LINQ [duplicate]
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13
Yes, I generally prefer a foreach loop myself. On the other hand, if you've already been presented with a delegate to apply to each element,...
Factors in R: more than an annoyance?
...] setosa setosa setosa setosa setosa setosa setosa setosa setosa setosa
# [31] setosa setosa setosa setosa setosa setosa setosa setosa setosa setosa
# [41] setosa setosa setosa setosa setosa setosa setosa setosa setosa setosa
# Levels: setosa
s[s == 'setosa', drop=FALSE]
# [1] setosa setosa setosa ...
How to subtract date/time in JavaScript? [duplicate]
...e() - new Date(dateStr.replace(/-/g,'/')));
i.e. turning "2011-02-07 15:13:06" into new Date('2011/02/07 15:13:06'), which is a format the Date constructor can comprehend.
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PDOException SQLSTATE[HY000] [2002] No such file or directory
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31 Answers
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Why is the time complexity of both DFS and BFS O( V + E )
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273
Your sum
v1 + (incident edges) + v2 + (incident edges) + .... + vn + (incident edges)
can be ...
How can I make a Python script standalone executable to run without ANY dependency?
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neurinoneurino
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iOS 7 status bar back to iOS 6 default style in iPhone app?
...in #4), the UINavigationController will draw your image in the frame (0,20,320,44), leaving 20 points of opaque black space above your custom image. This may confuse you into thinking you are a clever developer who bypassed rule #1, but you are mistaken. The navigation bar is still 64 points tall. E...