Tutorial by Topics: me

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...

One of the hardest things to do in C and C++ is resource management. Thankfully, in C++, we have many ways to go about designing resource management in our programs. This article hopes to explain some of the idioms and methods used to manage allocated resources.

The Rust Standard Library (std) is compiled against only a handful of architectures. So, to compile to other architectures (that LLVM supports), Rust programs could opt not to use the entire std, and instead use just the portable subset of it, known as The Core Library (core).

This topic will be an overview of the rules and functionality regarding streams in Perforce.

The Date Time Picker allows a user to choose both a date (month/date/year) as well as a time of day (hours/minutes/seconds). A user can then output the date format and return format based on [PHP date()][1] acceptable methods. This is helpful for querying custom post types like events, tour dates, o...

A DataFrame is an abstraction of data organized in rows and typed columns. It is similar to the data found in relational SQL-based databases. Although it has been transformed into just a type alias for Dataset[Row] in Spark 2.0, it is still widely used and useful for complex processing pipelines mak...

Topic should include information specifically related to named ranges in Excel including methods for creating, modifying, deleting, and accessing defined named ranges.

We will learn how to create Error objects and how to throw & handle errors in Node.js Future edits related to best practices in error handling.

With node 6 becoming the new LTS version of node. We can see an number of improvements to the language through the new ES6 standards introduces. We'll be walking through some of the new features introduced and examples of how to implement them.

How to append data to an already existing Excel document.

In Haskell, all expressions (which includes numerical constants and functions operating on those) have a decidable type. At compile time, the type-checker infers the type of an expression from the types of the elementary functions that compose it. Since data is immutable by default, there are no &qu...

A customization of the Android RangeSeekBar proposed by Alex Florescu at https://github.com/anothem/android-range-seek-bar It allows to define a step value (increment), when moving the seek bar 1- Add the increment attribute in attrs.xml <attr name="increment" format="integ...

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...

Atom's packages allow you to customize the editor to your needs. This topic will explains how packages and themes are created, published, and installed.

PowerShell Package Management allows you to find, install, update and uninstall PowerShell Modules and other packages. PowerShellGallery.com is the default source for PowerShell modules. You can also browse the site for available packages, command and preview the code.

Cryptography is used for security purposes. There are not so many examples of Encryption/Decryption in Python using IDEA encryption MODE CTR. Aim of this documentation : Extend and implement of the RSA Digital Signature scheme in station-to-station communication. Using Hashing for integrity of mess...

How to merge cells

Strict Mode is a special class introduced in Android 2.3 for debugging. This developer tools detect things done accidentally and bring them to our attention so that we can fix them. It is most commonly used to catch the accidental disk or network access on the applications’ main thread, where UI ope...

Pygame is the go-to library for making multimedia applications, especially games, in Python. The official website is http://www.pygame.org/. pygame.mixer.init(frequency=22050, size=-16, channels=2, buffer=4096) pygame.mixer.pre_init(frequency, size, channels, buffer) pygame.mixer.quit() pyg...

Recording test scenarios is one of the most convenient ways to create test scripts. This is because test recordings let you mimic realistic user workflows, instead of having to manually create a test script. The recordings capture all browser requests to the web application, and then automatically c...