Tutorial by Examples: re

To receive push notifications we are supposed to tell the plugin to listen to incoming push notifications. This step is done after initialization & registration import { Push, NotificationEventResponse} from "ionic-native"; //the push element is created in the initial...

The Maven Surefire plugin runs during the test phase of the Maven build process or when test is specified as a Maven goal. The following directory structure and minimum pom.xml file will configure Maven to run a test. Directory structure inside the project's root directory: ─ project_root ├─ p...

Most of linux distros stores its version info in the /etc/lsb-release (debian) or /etc/redhat-release (RPM based) file. Using below generic command should get you past most of the Debian and RPM derivatives as Linux Mint and Cent-Os. Example on Ubuntu Machine: cat /etc/*release DISTRIB_ID=Ubuntu ...

DASH is the most widely deployed adaptive streaming technology in modern solutions, used to deliver video in a wide variety of scenarios. The best way to understand DASH presentations is to observe the network activity that takes place during playback. This example uses Fiddler to capture and analy...

Log on to the Azure classic portal. In the left navigation pane of the portal, click Service Bus. In the lower pane of the portal, click Create. In the Add a new namespace dialog, enter a namespace name. The system immediately checks to see if the name is available. After...

Log on to the Azure classic portal. In the left navigation pane of the portal, click Service Bus. Select the namespace that you would like to create the queue in. In this case, it is “mytestns1.” Select Queues. Select New in the bottom left corner, then select Quick Creat...

Create a new console application and add a reference to the Service Bus NuGet package, similar to the sending application above. Add the following using statement to the top of the Program.cs file. using Microsoft.ServiceBus.Messaging; Add the following code to the Main method, set ...

To restore a file to the latest updated svn version, i.e. undo the local changes, you can use revert: svn revert file To restore a file to an older version (revision XXX) use update: svn update -r XXX file Warning: in both cases you will lose any local changes in the file because it will be ...

If you have predefined ranges and want to use specific colors for those ranges you can declare custom colormap. For example: import matplotlib.pyplot as plt import numpy as np import matplotlib.colors x = np.linspace(-2,2,500) y = np.linspace(-2,2,500) XX, YY = np.meshgrid(x, y) Z = np.sin(...

A shader program, in the OpenGL sense, contains a number of different shaders. Any shader program must have at least a vertex shader, that calculates the position of the points on the screen, and a fragment shader, that calculates the colour of each pixel. (Actually the story is longer and more co...

To create a new project use the following command (HelloWorld is the name of the project and play-java is the template) $ ~/activator-1.3.10-minimal/bin/activator new HelloWorld play-java You should get an output similar to this one Fetching the latest list of templates... OK, application &...

Calling the function string InvoiceHtml = myFunction.RenderPartialViewToString("PartialInvoiceCustomer", ToInvoice); // ToInvoice is a model, you can pass parameters if needed Function to generate HTML public static string RenderPartialViewToString(string viewName, object model) { ...

Recursive use of make means using make as a command within a makefile. This technique is useful when a large project contains sub-directories, each having their respective makefiles. The following example will help understand advantage of using .PHONY with recursive make. /main |_ Makefile ...

This sample demonstrates how to import the worksheet Azure Excel file blob to DB on the Azure SQL Server and how to export it from DB to Azure Excel blob. Prerequisites: Microsoft Visual Studio 2015 version Open XML SDK 2.5 for Microsoft Office An Azure storage account Azure SQL Server Add...

Julia supports regular expressions1. The PCRE library is used as the regex implementation. Regexes are like a mini-language within a language. Since most languages and many text editors provide some support for regex, documentation and examples of how to use regex in general are outside the scope of...

The substrings captured by capture groups are accessible from RegexMatch objects using indexing notation. For instance, the following regex parses North American phone numbers written in (555)-555-5555 format: julia> phone = r"\((\d{3})\)-(\d{3})-(\d{4})" and suppose we wish to ext...

Assume having a method returning IEnumerable<T>, f.e. private IEnumerable<T> GetData() { try { // return results from database } catch(Exception exception) { throw; } } Creates an Observable and starts a method asynchronously. Sel...

R-markdown code chunks R-markdown is a markdown file with embedded blocks of R code called chunks. There are two types of R code chunks: inline and block. Inline chunks are added using the following syntax: `r 2*2` They are evaluated and inserted their output answer in place. Block chunks hav...

=QUERY(QUERY(A1:D6,"select C,SUM(D) group by C",1),"select Col2>0",1)

Preemptive basic authentication is the practice of sending http basic authentication credentials (username and password) before a server replies with a 401 response asking for them. This can save a request round trip when consuming REST apis which are known to require basic authentication. As descr...