Tutorial by Topics: co

Often you need to execute commands under a different user or get root privileges. Those options allow you to become another user in the guest system. become: can be set to true or yes and triggers the user escalation settings. become_user: set to the desired user in the remote host. become_metho...

Topics should be made as simple as possible, but not simpler. This one suggests some organizing principles seen on Stack Overflow Documentation.

A concurrent collection is a [collection][1] which permits access by more than one thread at the same time. Different threads can typically iterate through the contents of the collection and add or remove elements. The collection is responsible for ensuring that the collection doesn't become cor...

This manual contains the various ways in which portlet can co-ordinate or communicate amongst each other and the various scenarios for which a particular approach is used. References: Public render param JSR 286 specs Portlet session

Protractor/WebDriverJS has this mechanism called Control Flow - it is an internal queue of promises, it keeps the code execution organized.

We know that spring-boot by default runs using H2 database. In this article, we will see how to tweak the default configuration to work with MySQL database. As a pre-requisite, make sure that MySQL is already running on port 3306 and has your database created.

This topic shows the latest status of NancyFx compatibility with .Net Core. Community support is highly welcome to update this.

Platform based conditional compiling comes in two forms in Go, one is with file suffixes and the other is with build tags. After "// +build", a single platform or a list can follow Platform can be reverted by preceding it by ! sign List of space separated platforms are ORed togethe...

Conditional variables are useful in cases where you want a thread to wait for something that happens in another thread. For instance, in a producer/consumer scenario with one or or more producing threads and one consuming thread, conditional variables can be used to signal the consuming thread that ...

A demonstration of how the producer-consumer pattern is implemented in Ada. function Scalar'Image (Argument : Scalar'Base) return String; task Task_Name; task Task_Name is Entries end; task body Task_Name is Declarations begin Code end; entry Entry_Name; accept Entry_Name; exit; T...

Sometimes you need to generate the skeleton for the test cases based on the classes you have in your project.

Asp.net core provides configuration abstractions. They allow you to load configuration settings from various sources and build a final configuration model which can then be consumed by your application. IConfiguration string this[string key] { get; set; } IEnumerable<IConfigurationSection...

In this post I am giving an example on how to connect to Couchbase over SSL/TLS to establish a secure connection to protect data on wire. Hopefully, you have enabled SSL on Couchbase side. For Information on enabling SSL on Couchbase side you can refer to http://docs.couchbase.com/developer/dotnet-...

This section provides an overview of what dicom is, and why a developer might want to use it. It should also mention any large subjects within dicom, and link out to the related topics. Since the Documentation for dicom is new, you may need to create initial versions of those related topics. D...

In the App Programming Guide for iOS: Remove sensitive information from views before moving to the background. When an app transitions to the background, the system takes a snapshot of the app’s main window, which it then presents briefly when transitioning your app back to the foreground. A...

These examples demonstrate various ways to load and compile shaders. All examples must include error handling code. Shader objects, as created from glCreateShader do not do much. They contain the compiled code for a single stage, but they do not even have to contain the complete compiled code ...

Typical database backed, annotation base spring security setup. configureGlobal() configure the auth object. The later two SQLs may be optional. configure() method tells spring mvc how to authenticate request some url we do not need to authenticate others will redirect to /login if not yet...