Tags
A tag is a keyword or label that categorizes your question with other, similar questions. Using the right tags makes it easier for others to find and answer your question.
ggplot2 is an actively maintained open-source chart-drawing package for R, written by Hadley Wickham, based upon the principles of "Grammar of Graphics". It partially replaces R's basic plot and the …
56914 questions
Data types for "pointing" at other values: A pointer's value is a memory address where the pointed-to value is stored. This tag should be used for questions involving the use of pointers, not referenc…
56839 questions
C++11 is the version of C++ after C++03. This tag should be used (along with the [C++] tag) for questions about C++ features specific to C++11.
56757 questions
Topics relating to application security and attacks against software. Please don't use this tag alone, that results in ambiguity.
If your question is not about a specific programming problem, please …
56633 questions
Implementation questions about machine learning algorithms. General questions about machine learning (concepts, theory, methodology, terminology, etc.) should be posted to their specific communities.
56195 questions
Ruby on Rails is an open-source web development framework written in Ruby. Ruby on Rails follows the principle of convention over configuration, freeing you from having to re-invent things to stay pro…
55946 questions
Flask is a lightweight framework for developing web applications using Python.
55862 questions
Nginx is a web and proxy server. Note that questions on the use and configuration of server software may be off-topic and subject to closure if they do not directly involve a programming context. Othe…
55660 questions
Do NOT share spreadsheets/images as the only source of data. Use markdown TEXT tables instead. Use this tag for questions about programmatically interacting with Google Sheets. Use with: [google-apps-…
55562 questions
used in multiple contexts: generic programming (especially C++), and data/document generation using template engines, web template for a pre-designed webpage, or set of HTML webp…
55344 questions
Use for questions about Google Apps Script, Google's server side Javascript V8-based cloud scripting platform for automating tasks across Google products and third-party services. Use in addition to r…
54973 questions
THIS IS AMBIGUOUS; USE SPECIFIC-LANGUAGE TAGS WHENEVER APPLICABLE. A variable is a named data storage location in memory. Using variables, a computer program can store numbers, text, binary data, or a…
53987 questions
An exception is an unusual condition that requires deviation from the program's normal flow. Normally, an exception should not result in total failure, but instead be attended by an exception handler.…
53807 questions
for questions specific to the 2008 version of Microsoft's SQL Server.
53760 questions
Debugging is a methodical process of finding and fixing bugs in a computer program. **IMPORTANT NOTE:** This tag is ONLY for questions about debugging techniques or the process of debugging itself, NO…
52722 questions
A ListView is a graphical screen control or widget provided by UI libraries in a majority of modern operating systems to show items in a list form.
52696 questions
Tkinter is the standard Python interface to the "tcl/tk" graphical user interface toolkit.
In Python 3, the name of the module changed from Tkinter to tkinter.
52550 questions
Gradle is a project build automation tool that uses a Groovy DSL. Gradle build scripts support Maven and Ivy repositories as well as plain file system for dependency management.
52525 questions
The Jakarta Persistence API (formerly Java Persistence API) (JPA) is a Java specification for accessing, persisting, and managing data between Java objects/classes and a relational database. JPA was d…
52203 questions
Delphi is a language for rapid development of native Windows, macOS, Linux, iOS, and Android applications through use of Object Pascal. The name refers to the Delphi language as well as its libraries,…
52102 questions
JSP (Jakarta Server Pages, formerly JavaServer Pages) is a Java-based view technology running on the server machine which allows you to write template text in client side languages (like HTML, CSS, Ja…
51988 questions
Asynchronous programming is a strategy for deferring operations with high latency or low priority, usually in an attempt to improve performance, responsiveness, and / or composability of software. Suc…
51899 questions
A batch file is a text file containing a series of commands that are executed by the command interpreter on MS-DOS, IBM OS/2, or Microsoft Windows systems.
51720 questions
Portable Document Format (PDF) is an open standard for electronic document exchange maintained by the International Organization for Standardization (ISO). Questions can be about creating, reading, ed…
51709 questions
Haskell is a purely functional programming language featuring strong static typing, lazy evaluation, extensive parallelism and concurrency support, and unique abstraction capabilities.
51427 questions
Secure Sockets Layer (SSL) is a cryptographic protocol, now superseded by Transport Layer Security (TLS) that provides secure communications over the Internet. Often, SSL is used as a blanket term and…
51397 questions
Web scraping is the process of extracting specific information from websites that do not readily provide an API or other methods of automated data retrieval. Questions about "How To Get Started With S…
51030 questions
Amazon S3 (simple storage service) is an online object storage service from Amazon Web Services. QUESTIONS MUST BE ABOUT PROGRAMMING. Questions about general S3 support, functionality, configuration, …
50981 questions
Jenkins is an open source continuous integration tool written in Java, that has packages for Linux, Mac OS X, Windows, FreeBSD and OpenBSD. The project was forked from Hudson.
50911 questions
Xamarin is a platform consisting of Xamarin.iOS, Xamarin.Android, Xamarin.Mac and Xamarin Test Cloud. It allows you to write cross-platform native Apps for iOS, Android and Mac and follow your app thr…
50854 questions
Windows Communication Foundation is a part of the .NET Framework that provides a unified programming model for rapidly building service-oriented applications.
50778 questions
Software testing is any activity aimed at evaluating an attribute or capability of a program or system and determining that it meets its required results.
50602 questions
Google Cloud Platform provides cloud computing services that let you build applications and websites, store data, and analyze data on Google's infrastructure.
50399 questions
npm is the package manager shipped with Node.js. It can be used to install and publish CommonJS and ECMAScript modules, jQuery plugins, reusable JavaScript code (libraries), JavaScript-based CLI progr…
50301 questions
Generics are a form of parametric polymorphism found in a range of languages, including .NET languages, Java, Swift, Rust and Go (since 1.18).
49972 questions
Ionic is a front-end framework for developing native-feeling hybrid mobile apps with HTML and Sass. Traditionally, it runs on top of Cordova and Angular, but since Ionic 4 it supports Angular, React, …
48677 questions