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Can an int be null in Java?
Can an int be null in Java?
15 Answers
15
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Check if at least two out of three booleans are true
An interviewer recently asked me this question: given three boolean variables, a, b, and c, return true if at least two out of the three are true.
...
Why use double indirection? or Why use pointers to pointers?
...clude <stdio.h>
#include <stdlib.h>
#include <string.h>
int wordsinsentence(char **x) {
int w = 0;
while (*x) {
w += 1;
x++;
}
return w;
}
int wordsinmono(char ***x) {
int w = 0;
while (*x) {
w += wordsinsentence(*x);
x++;
...
boost Composite keys - C/C++ - 清泛网 - 专注C/C++及内核技术
...forward manner:
struct street_entry
{
// quadrant coordinates
int x;
int y;
std::string name;
street_entry(int x,int y,const std::string& name):x(x),y(y),name(name){}
};
typedef multi_index_container<
street_entry,
indexed_by<
hashed_non_unique< // indexed by...
Check if a class has a member function of a given signature
...NAE<U, &U::used_memory>*);
template<typename U> static int Test(...);
static const bool Has = sizeof(Test<T>(0)) == sizeof(char);
};
template<typename TMap>
void ReportMemUsage(const TMap& m, std::true_type)
{
// We may call used_memory() on m here.
}...
INT 10H 中断介绍 - C/C++ - 清泛网 - 专注C/C++及内核技术
INT 10H 中断介绍int_10h_instructionsINT 10H 是由 BIOS 对屏幕及显示器所提供的服务程序，而后倚天公司针对倚天中文提供了许多服务程序，这些服务程序也加挂在 INT 10H ...
INT 10H 是由 BIOS 对屏幕及显示器所提供的服务程序。使用 INT 10H...
Why does the C preprocessor interpret the word “linux” as the constant “1”?
Why does the C preprocessor in GCC interpret the word linux (small letters) as the constant 1 ?
5 Answers
...
How to display Base64 images in HTML?
...age = 'http://images.itracki.com/2011/06/favicon.png';
// Read image path, convert to base64 encoding
$imageData = base64_encode(file_get_contents($image));
// Format the image SRC: data:{mime};base64,{data};
$src = 'data: '.mime_content_type($image).';base64,'.$imageData;
// Echo out a sample im...
What does InitializeComponent() do, and how does it work in WPF?
...dComponent() loads the XAML file that is located at the passed in URI, and converts it to an instance of the object that is specified by the root element of the XAML file.
In more detail, LoadComponent creates an instance of the XamlParser, and builds a tree of the XAML. Each node is parsed by the ...
Trying to fix line-endings with git filter-branch, but having no luck
...s from the previous command and runs them through the utility 'fromdos' to convert the line-endings.
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