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Why does C++ need a separate header file?
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105
You seem to be asking about separating definitions from declarations, although there are other ...
How dangerous is it to access an array out of bounds?
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10 Answers
10
Active
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No == operator found while comparing structs in C++
...res.
– fredoverflow
Apr 21 '11 at 8:07
16
@Jonathan The "modern" languages I know do provide a ==...
Check synchronously if file/directory exists in Node.js
...are the historical answers in chronological order:
Original answer from 2010
(stat/statSync or lstat/lstatSync)
Update September 2012
(exists/existsSync)
Update February 2015
(Noting impending deprecation of exists/existsSync, so we're probably back to stat/statSync or lstat/lstatSync)
Update Dece...
Do on-demand Mac OS X cloud services exist, comparable to Amazon's EC2 on-demand instances? [closed]
...rious pricing options, as you mention the all day pass, monthly plans at $20, and their is a pay as you go plan at $1/hr. I'd probably go with pay as you go based on my usage. The pay as you go is based on prepaid credits (1 credit = 1 hour, billed at 30 credit increments). One caveat is that you ne...
RE error: illegal byte sequence on Mac OS X
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308
A sample command that exhibits the symptom: sed 's/./@/' <<<$'\xfc' fails, because byt...
How can I know which parts in the code are never used?
... never read (even though used).
-Wunreachable-code (older GCC, removed in 2010) should warn about local blocks that are never accessed (it happens with early returns or conditions that always evaluate to true)
there is no option I know of to warn about unused catch blocks, because the compiler gener...
Why is list initialization (using curly braces) better than the alternatives?
... val; // if val==7.9, x2 becomes 7 (bad)
char c2 = val2; // if val2==1025, c2 becomes 1 (bad)
int x3 {val}; // error: possible truncation (good)
char c3 {val2}; // error: possible narrowing (good)
char c4 {24}; // OK: 24 can be represented exactly as a char (good)
char c5 {2...
Android Game Keeps Getting Hacked [closed]
...f the interest for hacking the game.
Freemium model
1) Make the first 5-10 levels free so people can learn the game and have some fun without paying. Less will want to hack the first level and the game will spread even further by Freemium model.
Shareware/clustered levelpacks
2) Let part of the ...
Polymorphism in C++
...2; }
Virtual dispatch:
struct Base { virtual Base& operator+=(int) = 0; };
struct X : Base
{
X(int n) : n_(n) { }
X& operator+=(int n) { n_ += n; return *this; }
int n_;
};
struct Y : Base
{
Y(double n) : n_(n) { }
Y& operator+=(int n) { n_ += n; return *this; }
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