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Query Parameters are part of the Query String - a section of the URL that contains key-value pairs of parameters. Typically, parameters are sent alongside GET requests to further specify filters on the operation: www.example.com/search?name=John&location=Miami The parameters are defined after the ? character...
David Landup
Flask is a great micro-framework for Web Development in Python, and allows you to be extremely minimal. A working REST API can be served up in seconds through a few lines of code: from flask import Flask, request app = Flask(__name__) @app.route('/') def hello(): return 'Hello!...
A stream represents a sequence of elements and supports different kinds of operations that lead to the desired result. The source of a stream is usually a Collection or an Array, from which data is streamed from. Streams differ from collections in several ways; most notably in that the streams...
Branko Ilic
Java is an object-oriented language, imperative in its essence (contrasting with the declarative practice that is functional programming). Nonetheless, it was possible to apply functional principles to Java programs prior to version 8, however it required additional work to bypass the innate structure of the language and resulted in convoluted...
Cansın Güler
Mapping elements from one collection to another, applying a transformative function between them is a fairly common and very powerful operation. Java's functional API supports both map() and flatMap(). If you'd like to read more about map(), read our Java 8 - Stream.map() Examples! The flatMap() operation is similar...
Hiram Kamau
undefined and null values sneak their way into code flow all the time. Whether we lose a reference through side-effects, forget to assign a reference variable to an object in memory, or we get an empty response from another resource, database or API - we have to deal with undefined...
Today, the Java Streams API is in extensive use, making Java more functional than ever. Thus, models like MapReduce have emerged for easier stream handling. Although these models made using streams effortless, they've also introduced efficiency concerns. The built-in parallel() operation is simple enough to deploy, and allows you to...
Merge Conflicts arise when multiple agents modify the same part of a file and push their changes to a remote branch. When you attempt to merge, pull from or push to these branches - there's a conflict, and Git isn't sure which set of changes to accept and which to...
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