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iamazeem / qt_urls_organization.cpp
Created February 3, 2020 06:18
Qt URL Organization
// Ref: https://stackoverflow.com/questions/60023890/organize-all-urls-in-one-place-inside-a-class
#include <QDebug>
#include <QString>
#include <QUrl>
namespace url {
static constexpr auto default_ip = "localhost";
static constexpr auto default_port = "8080";
@iamazeem
iamazeem / find_nearest.cpp
Created February 2, 2020 17:16
Find nearest value to the given index
// Ref: https://stackoverflow.com/questions/60023221/finding-the-closest-true-value-for-an-index
#include <iostream>
#include <vector>
#include <algorithm>
#include <tuple>
#include <limits>
using Result = std::tuple<bool, std::size_t, std::string>; // result (T/F), index, message
Result find_nearest( const std::vector<int>& v, const std::size_t index, const int value )
@iamazeem
iamazeem / qt_concurrent_example.cpp
Created April 19, 2019 06:32
Qt: QtConcurrent::run() example (https://stackoverflow.com/a/51587626/7670262)
// https://stackoverflow.com/a/51587626/7670262
#include <QDebug>
#include <QtConcurrent>
#include <QFuture>
#include <QThread>
#define LOG() qDebug() << __func__ << ": "
void test()
@iamazeem
iamazeem / std_async_example.cpp
Created April 19, 2019 06:31
C++: std::async example (https://stackoverflow.com/a/51587626/7670262)
#include <iostream>
#include <future>
#include <thread>
#include <chrono>
#define LOG() std::cout << __func__ << " : "
void test()
{
LOG() << "IN\n";
@iamazeem
iamazeem / istream_iterator_example.cpp
Last active April 19, 2019 06:28
C++: std::istream_iterator example (https://stackoverflow.com/a/51889159/7670262)
// https://stackoverflow.com/a/51889159/7670262
#include <iterator>
#include <iostream>
struct data
{
data() = default;
int num1 = 0;
int num2 = 0;
@iamazeem
iamazeem / dir_iteration.cpp
Last active April 19, 2019 06:12
Qt: Iterator a directory (https://stackoverflow.com/a/44558860/7670262)
// https://stackoverflow.com/a/44558860/7670262
/*
Directory structure:
C:\Test
-- A
---- a.txt
-- B
---- b.tx
@iamazeem
iamazeem / qt_qmap_iteration.cpp
Created April 19, 2019 06:10
Qt: Iterate a QMap (https://stackoverflow.com/a/55187379/7670262)
// https://stackoverflow.com/a/55187379/7670262
#include <QDebug>
#include <QMap>
#include <QMapIterator>
#include <QString>
int main()
{
using InnerMap = QMap<int, QString>;
@iamazeem
iamazeem / self_delete.cpp
Created April 19, 2019 06:08
Qt: Run self-deleting .BAT file using QProcess (https://stackoverflow.com/a/51742823/7670262)
// https://stackoverflow.com/a/51742823/7670262
#include <QProcess>
int main()
{
QProcess process;
process.setProgram( "cmd.exe" );
process.setArguments( { "/C", R"(E:\deleteme.bat)" } );
process.setWorkingDirectory( R"(E:\)" );
@iamazeem
iamazeem / go_substring_search.go
Last active May 22, 2019 07:11
Go: Check multiple substrings in string
package main
import (
"fmt"
"strings"
)
func checkSubstrings(str string, subs ...string) (bool, int) {
matches := 0
@iamazeem
iamazeem / qt_json_so_answer.cpp
Created April 19, 2019 06:02
// https://stackoverflow.com/a/55297349/7670262
#include <QDebug>
#include <QJsonDocument>
#include <QJsonObject>
#include <QJsonArray>
int main()
{
const auto data = R"({ "Name": "45", "Path": "C:\file.json" })";