Tutorial by Examples: v

This example splits cubic and bezier curves in two. The function splitCurveAt splits the curve at position where 0.0 = start, 0.5 = middle, and 1 = end. It can split quadratic and cubic curves. The curve type is determined by the last x argument x4. If not undefined or null then it assumes the curv...

git clean -i Will print out items to be removed and ask for a confirmation via commands like the follow: Would remove the following items: folder/file1.py folder/file2.py *** Commands *** 1: clean 2: filter by pattern 3: select by numbers 4: ask each 5: quit...

A default valued command line argument can be specified easily: // declare options desc.add_options() ("name", po::value<std::string>()->required(), "Type your name to be greeted!") ("rank", po::value<std::string>()->default_value("Dark Kn...

Introduction: Swagger is a set of rules/specifications for a format describing REST APIs. It provides a powerful and actively developed ecosystem of tools around this formal specification like code generators and editors. The best part of Swagger is that the documentation of methods, parameters, an...

If you're using an icon to add some extra decoration or branding, it does not need to be announced to users as they are navigating your site or app aurally. Additionally, if you're using an icon to visually re-emphasize or add styling to content already present in your HTML, it does not need to be r...

Rather than use clearRect which makes all pixels transparent you may want a background. To clear with a gradient // create the background gradient once var bgGrad = ctx.createLinearGradient(0,0,0,canvas.height); bgGrad.addColorStop(0,"#0FF"); bgGrad.addColorStop(1,"#08F"); ...

This example show you how to trim a bezier. The function trimBezier trims the ends off of the curve returning the curve fromPos to toPos. fromPos and toPos are in the range 0 to 1 inclusive, It can trim quadratic and cubic curves. The curve type is determined by the last x argument x4. If not undef...

An incomplete type; it is not possible for an object to have type void, nor are there arrays of void or references to void. It is used as the return type of functions that do not return anything. Moreover, a function may redundantly be declared with a single parameter of type void; this is equivale...

Given the 4 points of a cubic Bezier curve the following function returns its length. Method: The length of a cubic Bezier curve does not have a direct mathematical calculation. This "brute force" method finds a sampling of points along the curve and calculates the total distance spanne...

PM> uninstall-Package EntityFramework -Version 6.1.2

A type qualifier; when applied to a type, produces the volatile-qualified version of the type. Volatile qualification plays the same role as const qualification in the type system, but volatile does not prevent objects from being modified; instead, it forces the compiler to treat all accesses to suc...

string[] portNames = SerialPort.GetPortNames();

using System.IO.Ports; namespace TextEchoService { class Program { static void Main(string[] args) { var serialPort = new SerialPort("COM1", 9600, Parity.Even, 8, StopBits.One); serialPort.Open(); string message = &quot...

using System; using System.Collections.Generic; using System.IO.Ports; using System.Text; using System.Threading; namespace AsyncReceiver { class Program { const byte STX = 0x02; const byte ETX = 0x03; const byte ACK = 0x06; const byte NAK = 0x15...

When we use @SpringApplicationConfiguration it will use configuration from application.yml [properties] which in certain situation is not appropriate. So to override the properties we can use @TestPropertySource annotation. @TestPropertySource( properties = { "spring...

1-You need to connect your device to your computer via USB cable. Make sure USB debugging is working. You can check if it shows up when running adb devices(or tns device). 2-Run adb tcpip 5555 3-Disconnect your device (remove the USB cable). 4-Go to the Settings -> About phone -> Status...

While working on the development of an R package it is often necessary to install the latest version of the package. This can be achieved by first building a source distribution of the package (on the command line) R CMD build my_package and then installing it in R. Any running R sessions with p...

If we want to test JavaScript on a website, we'll need to use something a bit more powerful than Goutte (which is just cURL via Guzzle). There are a couple of options such as ZombieJS, Selenium and Sahi. For this example I'll use Selenium. First you'll need to install the drivers for Mink: $ compo...

The predicate function matches can be used to evaluate strings on the fly without use of any object declarations. IF matches( val = 'Not a hex string' regex = '[0-9a-f]*' ). cl_demo_output=>display( 'This will not display' ). ELSEIF matches( val = '6c6f7665' reg...

The latest version of the Oracle Java style guide mandates that the "then" and "else" statements in an if statement should always be enclosed in "braces" or "curly brackets". Similar rules apply to the bodies of various loop statements. if (a) { //...