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How to unescape HTML character entities in Java?
...ce
{"\u00A1", "iexcl"}, // inverted exclamation mark
{"\u00A2", "cent"}, // cent sign
{"\u00A3", "pound"}, // pound sign
{"\u00A4", "curren"}, // currency sign
{"\u00A5", "yen"}, // yen sign = yuan sign
{"\u00A6", "brvbar"}, // broken bar = broken vert...
C++ equivalent of java's instanceof
...nclude <memory>
#include "DemoClassHierarchy.hpp"
int main() {
A *a2aPtr = new A;
A *a2bPtr = new B;
std::shared_ptr<A> a2cPtr(new C);
C *c2dPtr = new D;
std::unique_ptr<A> a2dPtr(new D);
std::cout << "a2aPtr->instanceOf<A>(): expected=1, value=" <&l...
Separating class code into a header and cpp file
... I have omitted the private, by default C++ class members are private.
// A2DD.h
#ifndef A2DD_H
#define A2DD_H
class A2DD
{
int gx;
int gy;
public:
A2DD(int x,int y);
int getSum();
};
#endif
and the implementation goes in the CPP file:
// A2DD.cpp
#include "A2DD.h"
A2DD::A2DD(int x,...
How many bytes does one Unicode character take?
...2 82 AC
UTF-16: 20 AC
U+2122 TRADE MARK SIGN: ™
Nº: 8482
UTF-8: E2 84 A2
UTF-16: 21 22
U+2603 SNOWMAN: ☃
Nº: 9731
UTF-8: E2 98 83
UTF-16: 26 03
U+260E BLACK TELEPHONE: ☎
Nº: 9742
UTF-8: E2 98 8E
UTF-16: 26 0E
U+2614 UMBRELLA WITH RAIN DROPS: ☔
Nº: 9748
UTF-8: E2 98 94
UTF-16: 26 ...
How to determine if one array contains all elements of another array
... This the the way to go. It might just be a bit shortened to (a2-a1).empty?
– Holger Just
Sep 12 '11 at 12:43
9
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How to emulate C array initialization “int arr[] = { e1, e2, e3, … }” behaviour with std::array?
...
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edited May 24 '11 at 17:40
answered May 24 '11 at 17:17
...
Convert data.frame column to a vector?
...equence and maybe things will be clearer:
avector <- as.vector(aframe['a2'])
class(avector)
avector <- aframe[['a2']]
class(avector)
avector <- aframe[,2]
class(avector)
share
|
improv...
How to find the kth smallest element in the union of two sorted arrays?
... return arr1[k]
mida1 = len(arr1) // 2 # integer division
mida2 = len(arr2) // 2
if mida1 + mida2 < k:
if arr1[mida1] > arr2[mida2]:
return kthlargest(arr1, arr2[mida2+1:], k - mida2 - 1)
else:
return kthlargest(arr1[mida1+1:], arr2, k ...
Git Tag list, display commit sha1 hashes
....0
591eceaf92f99f69ea402c4ca639605e60963ee6 refs/tags/1.2.0
40414f41d0fb89f7a0d2f17736a906943c05acc9 refs/tags/1.3.0
Each line is the SHA1 hash of the tag, followed by the tag name prefixed with refs/tags/.
If you want the SHA1 hash of the commit, instead of the tag object, you can run:
git show...
From inside of a Docker container, how do I connect to the localhost of the machine?
..._UP> mtu 1500 qdisc noqueue state UP group default
link/ether 56:84:7a:fe:97:99 brd ff:ff:ff:ff:ff:ff
inet 172.17.42.1/16 scope global docker0
valid_lft forever preferred_lft forever
inet6 fe80::5484:7aff:fefe:9799/64 scope link
valid_lft forever preferred_lft forever
...