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Most efficient way to create a zero filled JavaScript array?
... are medium fast for small arrays
solution based on Array.apply (P) throws error for big arrays
function P(n) {
return Array.apply(null, Array(n)).map(Number.prototype.valueOf,0);
}
try {
P(1000000);
} catch(e) {
console.error(e.message);
}
Code and example
Below code presents s...
Is there a goto statement in Java?
... @Deduplicator Usage of goto, judicious as it may be, is always prone to error.
– Çelebi Murat
Jan 25 '17 at 14:02
...
Convert char to int in C and C++
...rn (unsigned char)c; }
char chr(int n) {
assert(0 <= n); // Or other error-/sanity-checking.
assert(n <= UCHAR_MAX);
return (unsigned char)n;
}
// Ord and chr are named to match similar functions in other languages
// and libraries.
ord(c) always gives you a non-negative value – ev...
Loading local JSON file
...
I tried this, but no luck. No error in console as well :(
– Govind Kailas
Feb 15 '14 at 11:21
11
...
File Upload without Form
...ntType: false to the settings object or else you will receive Uncaught TypeError: Illegal invocation
– jsmiff
Jan 26 '15 at 20:58
2
...
How do I declare an array of weak references in Swift?
...
I get a compiler error with MyProtocol: class and NSHashTable<MyProtocol>.weakObjects(). "'NSHashTable' requires that 'MyProtocol' be a class type.
– Greg
Oct 24 '18 at 16:35
...
Rename master branch for both local and remote Git repositories
...o track branch renames. If the new master doesn't exist yet, git pull will error out. If the new master has been created. the pull will attempt to merge master and master-old. So it's generally a bad idea unless you have the cooperation of everyone who has checked out the repository previously.
Not...
Oracle PL/SQL - How to create a simple array variable?
...you try to extend a varray(3) 4 times - you get a "subscript out of limit" error.
– Tony Andrews
Jun 15 '16 at 16:29
2
...
const char * const versus const char *?
...lf however is not const.
Example.
const char *p = "Nawaz";
p[2] = 'S'; //error, changing the const data!
p="Sarfaraz"; //okay, changing the non-const pointer.
const char * const p = "Nawaz";
p[2] = 'S'; //error, changing the const data!
p="Sarfaraz"; //error, changing the const pointer.
...
How to redirect cin and cout to files?
...tions one by one and avoid using namespace std; as it would give ambiguity error:
error: reference to 'cin' is ambiguous
cin >> a >> b;
^
note: candidates are:
std::ifstream cin
ifstream cin("input.txt");
^
In file test.cpp
std::istream std::cin
exter...