Tutorial by Examples: io

SVG Patterns behave significantly differently than CSS background images when filling equivalent shapes. This can lead to significant surprises for new-comers to SVG. Below are examples of a pattern defined in all possible combinations of patternUnits and patternContentUnits - showing how these sett...

Detailed instructions on getting virtualbox set up or installed.

Scoped enumerations: ... enum class Status; // Forward declaration Status doWork(); // Use the forward declaration ... enum class Status { Invalid, Success, Fail }; Status doWork() // Full declaration required for implementation { return Status::Success; } Unscoped enumerations:...

Detailed instructions on getting oauth-2.0 set up or installed.

For live demo click.. App index ts import {bootstrap} from '@angular/platform-browser-dynamic'; import {MyForm} from './my-form.component.ts'; bootstrap(MyForm); Custom validator import {Control} from @'angular/common'; export class CustomValidators { static emailFormat(control: Cont...

This is a basic example of a C Extension using C++ and Boost. C++ Code C++ code put in hello.cpp: #include <boost/python/module.hpp> #include <boost/python/list.hpp> #include <boost/python/class.hpp> #include <boost/python/def.hpp> // Return a hello world string. st...

Downloading the Bundle: The easiest way to download the required GTK Bundle is to search and download it using this link: https://git.gnome.org/browse/gtk+ (GNOME GIT Repository) GNOME GIT Repository provides the bundles for different versions and you can easily find the desired version by scrolli...

This example will show how to make and use animation clips for game objects or players. Note, the models used in this example are downloaded from Unity Asset Store. The player was downloaded from the following link: https://www.assetstore.unity3d.com/en/#!/content/21874. To create animations, firs...

Vim has its own built-in Python interpreter. Thus it could use a different version of the default interpreter for the operating system. To check with which version of Python Vim was compiled, type the following command: :python import sys; print(sys.version) This imports the sys module and prin...

To animate the transition between fragments, or to animate the process of showing or hiding a fragment you use the FragmentManager to create a FragmentTransaction. For a single FragmentTransaction, there are two different ways to perform animations: you can use a standard animation or you can suppl...

public class ViewAnimationUtils { public static void expand(final View v) { v.measure(LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT); final int targtetHeight = v.getMeasuredHeight(); v.getLayoutParams().height = 0; v...

Add the following method to check whether an email address is valid or not: private boolean isValidEmailId(String email){ return Pattern.compile("^(([\\w-]+\\.)+[\\w-]+|([a-zA-Z]{1}|[\\w-]{2,}))@" + "((([0-1]?[0-9]{1,2}|25[0-5]|2[0-4][0-9])\\.([0-1]?" ...

DP to Pixel: private int dpToPx(int dp) { return (int) (dp * Resources.getSystem().getDisplayMetrics().density); } Pixel to DP: private int pxToDp(int px) { return (int) (px / Resources.getSystem().getDisplayMetrics().density); }

Set High resolution programmatically. Camera mCamera = Camera.open(); Camera.Parameters params = mCamera.getParameters(); // Check what resolutions are supported by your camera List<Size> sizes = params.getSupportedPictureSizes(); // Iterate through all available resolutions and choos...

By default stored procedures and functions or not generated by mysqldump, you will need to add the parameter --routines (or -R): mysqldump -u username -p -R db_name > dump.sql When using --routines the creation and change time stamps are not maintained, instead you should dump and reload the ...

This example demonstrates how to do compile time checking of an annotated element. The annotation The @Setter annotation is a marker can be applied to methods. The annotation will be discarded during compilation not be available afterwards. package annotation; import java.lang.annotation.Eleme...

This combines queries such that the best (that is, highest-scoring) match of it's subqueries contributes to the final score. List<Query> disjuncts = new ArrayList<Query>(); disjuncts.add(new TermQuery(new Term("fieldname", "hello"))); disjuncts.add(new TermQuery(...

The authentic Adobe PostScript interpreters are available in high-end printers, the Display PostScript (DPS) product, and the Acrobat Distiller product. As authors of the standard, these products are considered "the standard implementation" for the purpose of describing differences among P...

There different flavors of DB2. One of them is LUW: Linux, UNIX and Windows. DB2 LUW in Linux / UNIX can be installed with or without root. When installed with root, you can create different instances associating them to different users. When installing DB2 LUW without root privileges, you can ins...

For those of us using Maven as a build system, we can use the Maven Archetype to create a new application. First consult the maven archetype catalog mvn archetype:generate -DarchetypeCatalog=http://struts.apache.org/ you can use one of the following achetypes: The Blank Convention Archetype (s...