ashwin

// Adapted from Trie code in Algorithms (4 Ed) by Sedgewick

#include <iostream>
#include <string>

// Size of alphabet
constexpr int R = 256;

struct Node
{

ashwin

#include <unordered_set>
#include <iostream>

using IntHashTable = std::unordered_set<int>;

void PrintBuckets(const IntHashTable& htab)
{
    for (auto bi = 0; bi < htab.bucket_count(); ++bi)
    {
        std::cout << "B[" << bi << "]:";

ashwin

/* Define _USE_MATH_DEFINES before including math.h to expose these macro
 * definitions for common math constants.  These are placed under an #ifdef
 * since these commonly-defined names are not part of the C/C++ standards.
 */

/* Definitions of useful mathematical constants
 * M_E        - e
 * M_LOG2E    - log2(e)
 * M_LOG10E   - log10(e)
 * M_LN2      - ln(2)

ashwin

#include <cstdint>
#include <iostream>

int main()
{
    std::cout << "Precise" << std::endl;

    std::cout << sizeof(int8_t  ) << std::endl;
    std::cout << sizeof(int16_t ) << std::endl;
    std::cout << sizeof(int32_t ) << std::endl;

ashwin

const char * GetGLErrorStr(GLenum err)
{
    switch (err)
    {
    case GL_NO_ERROR:          return "No error";
    case GL_INVALID_ENUM:      return "Invalid enum";
    case GL_INVALID_VALUE:     return "Invalid value";
    case GL_INVALID_OPERATION: return "Invalid operation";
    case GL_STACK_OVERFLOW:    return "Stack overflow";
    case GL_STACK_UNDERFLOW:   return "Stack underflow";

ashwin

std::string GetMatDepth(const cv::Mat& mat)
{
    const int depth = mat.depth();

    switch (depth)
    {
    case CV_8U:  return "CV_8U";
    case CV_8S:  return "CV_8S";
    case CV_16U: return "CV_16U";
    case CV_16S: return "CV_16S";

ashwin

http://google.com/

Web URL

Local file

Local filename with spaces

ashwin

#! /bin/sh 
# listppa Script to get all the PPA installed on a system ready to share for reininstall
# From: http://askubuntu.com/questions/148932/how-can-i-get-a-list-of-all-repositories-and-ppas-from-the-command-line

for APT in `find /etc/apt/ -name \*.list`; do
    grep -o "^deb http://ppa.launchpad.net/[a-z0-9\-]\+/[a-z0-9\-]\+" $APT | while read ENTRY ; do
        USER=`echo $ENTRY | cut -d/ -f4`
        PPA=`echo $ENTRY | cut -d/ -f5`
        echo sudo apt-add-repository ppa:$USER/$PPA
    done

ashwin

#include <iostream>
using namespace std;

template <typename Derived>
struct Creature
{
    int eye_num;

    friend bool operator == (const Derived& lhs, const Derived& rhs)
    {

ashwin

#include <limits>

std::numeric_limits<int>::max()    // INT_MAX
std::numeric_limits<int>::min()    // INT_MIN
std::numeric_limits<int>::lowest() // INT_MIN

std::numeric_limits<float>::max()    // FLT_MAX
std::numeric_limits<float>::min()    // FLT_MIN
std::numeric_limits<float>::lowest() // -FLT_MAX