Tutorial by Topics: go

var result = possibleNullObject ?? defaultValue; ParameterDetailspossibleNullObjectThe value to test for null value. If non null, this value is returned. Must be a nullable type.defaultValueThe value returned if possibleNullObject is null. Must be the same type as possibleNullObject. The n...
ParameterDetailsGoogleMapthe GoogleMap is an object that is received on a onMapReady() eventMarkerOptionsMarkerOptions is the builder class of a Marker, and is used to add one marker to a map. Requirements Google Play Services SDK installed. A Google Console Account. A Google Maps API Key o...
Go is an open-source, compiled, statically typed language in the tradition of Algol and C. It boasts features such as garbage collection, limited structural typing, memory safety features, and easy-to-use CSP-style concurrent programming. The latest major version release is in bold below. Full...
Django advertises itself as "the web framework for perfectionists with deadlines" and "Django makes it easier to build better Web apps more quickly and with less code". It can be seen as an MVC architecture. At it's core it has: a lightweight and standalone web server for de...
@interface ClassName (categoryName) // ClassName is the class to be extended // Method and property declarations @end To avoid method name clashes, it is recommended to use prefixes (like xyz_ in the example). If methods with the same name exist, it is undefined which one will...
Data in the world started to grow tremendously after mobile application came in the market. This huge amount of data became almost impossible to handle with traditional relational database - SQL. NoSQL databases are introduced to handle those data where much more flexibility came like variable n...
Introduction to Algorithms Algorithms are ubiquitous in Computer Science and Software Engineering. Selection of appropriate algorithms and data structures improves our program efficiency in cost and time. What is an algorithm? Informally, an algorithm is a procedure to accomplish a specific ta...
TODO: Short description of Chrome Extensions Official documentation What are extensions? (documentation hub) Getting Started tutorial (basic tutorial) Overview JavaScript APIs (comprehensive list of chrome.* APIs) Further reading TODO: Populate with links to important overview t...
There are two ways to get the GAE SDK (the standalone GAE SDK vs Google Cloud SDK gcloud). There are slight differences when the deploying the app using gcloud. If you are using gcloud, you can use gcloud app deploy ~/my_app/app.yaml. The behaviour is different from using the old appcfg.py. If you...
Cargo is Rust's package manager, used to manage crates (Rust's term for libraries/packages). Cargo predominantly fetches packages from crates.io and can manage complex dependency trees with specific version requirements (using semantic versioning). Cargo can also help build, run and manage R...
The official overview for Google Apps Script is published at http://www.google.com/script/start, from there Google Apps Script is a JavaScript cloud scripting language that provides easy ways to automate tasks across Google products and third party services and build web applications. From h...
Mongoose is a MongoDB object modeling tool designed to work in an asynchronous environment. Everything in Mongoose starts with a Schema. Each schema maps to a MongoDB collection and defines the shape of the documents within that collection. Mongoose makes it painlessly easy to work with ...
Google Analytics and the Google Analytics developer platform allows you to collect, configure, and analyze your data to reach the right audience. Libraries and SDKs for tracking Web Tracking (analytics.js): Measure user interaction with websites or web applications. Android: Measure user in...
Google Cloud Storage is a service for durable and highly available storage of objects of any size. You can use Google Cloud Storage for a range of scenarios including serving website content, storing data for archival and disaster recovery, or distributing large data objects to users via direct do...
NameDescriptionASCII()Return numeric value of left-most characterBIN()Return a string containing binary representation of a numberBIT_LENGTH()Return length of argument in bitsCHAR()Return the character for each integer passedCHAR_LENGTH()Return number of characters in argumentCHARACTER_LENGTH()Syno...

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