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Java ByteBuffer to String
...ch would be reasonable if you knew the bytes are in the platform's default charset. In your example, this is true because k.getBytes() returns the bytes in the platform's default charset.
More frequently, you'll want to specify the encoding. However, there's a simpler way to do that than the questi...
Executing a command stored in a variable from PowerShell
...h was included, verify that the path is correct and try again. At :line:14 char:1 + & <<<< $cmd1
– Travis
Aug 28 '10 at 23:29
...
On select change, get data attribute value
...
You need to find the selected option:
$(this).find(':selected').data('id')
or
$(this).find(':selected').attr('data-id')
although the first method is preferred.
shar...
How to get std::vector pointer to the raw data?
I'm trying to use std::vector as a char array.
3 Answers
3
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What is a non-capturing group in regular expressions?
...over it:
\b(\S)(\S)(\S)(\S*)\b
This regex matches words with at least 3 characters, and uses groups to separate the first three letters. The result is this:
Match "Lorem"
Group 1: "L"
Group 2: "o"
Group 3: "r"
Group 4: "em"
Match "ipsum"
Group 1: "i"
Group 2: "p"
...
How to add reference to a method parameter in javadoc?
...ass:
/**
* Allocates a new <code>String</code> that contains characters from
* a subarray of the character array argument. The <code>offset</code>
* argument is the index of the first character of the subarray and
* the <code>count</code> argument specifies t...
What does void* mean and how to use it?
...
Before void pointers were available "char *" was used instead. But void is better as it cannot actually be used to alter anything directly.
– user50619
Jun 4 '19 at 13:08
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What's the difference between backtracking and depth first search?
...to searching tree structures. From Wikipedia:
One starts at the root (selecting some node as the root in the graph case) and explores as far as possible along each branch before backtracking.
It uses backtracking as part of its means of working with a tree, but is limited to a tree structure....
boost自定义composite_key_compare比较函数 - C/C++ - 清泛网 - 专注C/C++及内核技术
...st::multi_index_container;
using namespace boost::multi_index;
typedef char IDType[81];
struct TParam
{
IDType ID;
bool IsValid;
};
typedef TParam* TParam_p;
struct TParamIDIndex { };
struct TParamValidIndex { };
struct customize_compare
{
int operator()(const IDType l, cons...
C++ where to initialize static const
... static const string s; // Can never be initialized here.
static const char* cs; // Same with C strings.
static const int i = 3; // Integral types can be initialized here (*)...
static const int j; // ... OR in cpp.
};
foo.cpp
#include "foo.h"
const string foo::s = "foo string";
...