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Vladimir Prus vprus

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@vprus
vprus / anscombe-education.csv
Created January 21, 2020 09:21
country education income young urban
ME 189 2824 350.7 508
NH 169 3259 345.9 564
VT 230 3072 348.5 322
MA 168 3835 335.3 846
RI 180 3549 327.1 871
CT 193 4256 341 774
NY 261 4151 326.2 856
NJ 214 3954 333.5 889
PA 201 3419 326.2 715
@vprus
vprus / Go C++.md
Last active April 1, 2016 10:54

Definining data

C++ 11

  std::vector<std::vector<std::string>> fields = {
      {"a", "b"},
      {"c", "d"}
 };
@vprus
vprus / main.cpp
Created October 30, 2015 12:41
Exception on double ::get
#include <QCoreApplication>
#include <QTimer>
#include <QDebug>
#include <QThread>
#define BOOST_THREAD_VERSION 4
#define BOOST_THREAD_PROVIDES_FUTURE 1
#define BOOST_THREAD_PROVIDES_FUTURE_CONTINUATION 1
#define BOOST_THREAD_PROVIDES_EXECUTORS 1
@vprus
vprus / main.cpp
Last active October 30, 2015 07:04
QFuture on top of boost::future, try 2
#include <QCoreApplication>
#include <QTimer>
#include <QDebug>
#include <QThread>
#define BOOST_THREAD_VERSION 4
#define BOOST_THREAD_PROVIDES_FUTURE 1
#define BOOST_THREAD_PROVIDES_FUTURE_CONTINUATION 1
#define BOOST_THREAD_PROVIDES_EXECUTORS 1
@vprus
vprus / main.cpp
Created October 29, 2015 09:04
Qt + boost::future experiment
#include <QCoreApplication>
#include <QTimer>
#include <QDebug>
#include <QThread>
#define BOOST_THREAD_VERSION 4
#define BOOST_THREAD_PROVIDES_FUTURE 1
#define BOOST_THREAD_PROVIDES_FUTURE_CONTINUATION 1
#define BOOST_THREAD_PROVIDES_EXECUTORS 1
@vprus
vprus / Image.qml
Created October 13, 2015 15:30
import QtQuick 2.4
import QtQuick.Controls 1.2
import QtQuick.Layouts 1.1
ColumnLayout {
spacing: 0
Image { source: "file:///C:/Build/selection-assets/bugs.jpeg"; height: 10; width: 10; }
@vprus
vprus / main.cpp
Created September 28, 2015 08:23
QSqlQuery + SQLite not reporting undefined named placeholders
#include <QCoreApplication>
#include <QSqlDatabase>
#include <QSqlQuery>
#include <QSqlError>
#include <QTemporaryFile>
#include <QDebug>
int main(int argc, char *argv[])
@vprus
vprus / Margins.qml
Last active September 8, 2022 12:51
QML Component that adds a margin around item in layout.
import QtQuick 2.0
/* Adds a margin around any item that is meant to be placed into layout.
Instantiate this component with a single children item.
*/
Item {
id: root
property int margins: 0
@vprus
vprus / color.min.js
Last active September 9, 2015 09:40
Material Colors
"undefined"==typeof Map?(Map=function(){this.clear()},Map.prototype={set:function(t,e){return this._[t]=e,this},get:function(t){return this._[t]},has:function(t){return t in this._},"delete":function(t){return t in this._&&delete this._[t]},clear:function(){this._=Object.create(null)},get size(){var t=0;for(var e in this._)++t;return t},forEach:function(t){for(var e in this._)t(this._[e],e,this)}}):function(){var t=new Map;t.set(0,0)!==t&&(t=t.set,Map.prototype.set=function(){return t.apply(this,arguments),this})}(),function(t,e){"object"==typeof exports&&"undefined"!=typeof module?e(exports):"function"==typeof define&&define.amd?define(["exports"],e):e(t.color={})}(this,function(t){"use strict";function e(t,e){var s=t-e;return s>180||-180>s?s-360*Math.round(s/360):s}function s(){}function n(t){var e;return t=(t+"").trim().toLowerCase(),(e=j.exec(t))?(e=parseInt(e[1],16),i(e>>8&15|e>>4&240,e>>4&15|240&e,(15&e)<<4|15&e)):(e=C.exec(t))?r(parseInt(e[1],16)):(e=$.exec(t))?i(e[1],e[2],e[3]):(e=H.exec(t))?i(2.55*e[
@vprus
vprus / gist:a64cd0ea5a6e17149ad4
Created July 24, 2015 08:51
#include <QCoreApplication>
#include <QTimer>
struct Test : public QObject
{
void foo() {}
};
int main(int argc, char *argv[])
{