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Conventional Software Engineering PrinciplesThere are several descriptions of "old-school" engineering software. The software industry has learned many lessons and established numerous principles during the years of software development. This part introduces the fundamental ideas explored throughout the rest of the book by describing one perspective on today's software engineering principles. A small paper titled "Fifteen Principles of Software Engineering" [Davis, 1994] is the benchmark I've chosen. The paper was then expanded into a book [Davis, 1995], which lists 201 principles. Despite its title, the piece outlines the top 30 principles, and it's as excellent a description as any of the ... Read More
Penetration TestingPenetration testing, often known as pen testing, is a sort of security testing which is used to find flaws, hazards, and dangers that an intruder may abuse in software applications, networks, or online applications. The goal of penetration testing is to find and evaluate all potential security flaws in a software program. Pen Test is another name for penetration testing.The chance that an intruder would damage or obtain unauthorized access to a network or any data held inside it is referred to as vulnerability. Vulnerabilities are typically found by chance during the software planning and implementation phases. Common threats ... Read More
What exactly is Non-Destructive Software Testing?Non Destructive Testing is a sort of software testing that comprises evaluating and appropriately engaging with the software program. To put it another way, Non-Destructive Software Testing (NDT) is also known as Positive Testing or Happy Path Testing. It produces the required outcomes and demonstrates that the software program behaves as predicted.Putting the necessary info into a login module and testing to see if it recognizes credentials and moves onto another step is an example.In the previous example, input numeric characters in the username text field to undertake non-destructive testing. As a result of entering ... Read More
What is the definition of software development?Phones, televisions, automobiles, vending machines, coffee makers, even pet toys all have software-based functions these days. All of these items were developed by groups of people who banded together with the purpose of causing electrical signals to behave in a predictable manner. In a nutshell, software development refers to the entire process of bringing a software project from idea to completion.A software deliverable's design, documentation, programming, testing, and continuing maintenance are all part of this process. These elements are combined to form a workflow pipeline, which is a set of actions that, when followed, ... Read More
Plan for the testA Test Plan is a thorough document that outlines the test strategy, objectives, timetable, estimation, deliverables, and resources needed to accomplish software testing. The Test Plan assists us in determining the amount of work required to confirm the quality of the application being tested. The test plan is a blueprint for conducting software testing operations as a defined procedure, which the test manager closely monitors and controls."A test plan is a document detailing the scope, strategy, resources, and timetable of expected test activities, " according to the ISTQB definition.Let's look at an example/scenario of a Test Plan: ... Read More
The scipy.cluster.hierarchy module provides functions for hierarchical clustering and its types such as agglomerative clustering. It has various routines which we can use to −Cut hierarchical clustering into the flat clustering.Implement agglomerative clustering.Compute statistics on hierarchiesVisualize flat clustering.To check isomorphism of two flat cluster assignments.Plot the clusters.The routine scipy.cluster.hierarchy.fcluster is used to cut hierarchical clustering into flat clustering, which they obtain as a result an assignment of the original data point to single clusters. Let’s understand the concept with the help of below given example −Example#Importing the packages from scipy.cluster.hierarchy import ward, fcluster from scipy.spatial.distance import pdist #The cluster ... Read More
Software testing is the process of determining the performance of the developed program. It is also made to improve the product and reduce faults and difficulties with it. We have something called the STLC, or Software Testing Life Cycle, for professional software testing endeavors.Software testers are experts that are in charge of the testing process. Smaller and simpler software products need just a few, or perhaps a single, testers, while large, complete software products necessitate a professional testing staff.Software testing job descriptions range from testers and test analysts to testing managers and test designers. There are several software testing certifications ... Read More
What is an artifact, exactly?No, we're not talking about ancient relics. The sort of artifact we're discussing is one that has to do with software development.Whether you're a novice or a seasoned developer, you'll encounter software artifacts. They're critical components of any piece of software, from a simple webpage to a more complicated application.The software development process will be significantly more difficult than it needs to be if artifacts are not correctly produced and preserved.Continue reading to discover all you need to know about software artifacts and what you'll need to know going ahead.ArtifactAn artifact is a by-product of software ... Read More
The linear function named scipy.linalg.solve_banded is used to solve the banded matrix equation. The form of this function is as follows −scipy.linalg.solve_banded(l_and_u, ab, b, overwrite_ab=False, overwrite_b=False, debug=None, check_finite=True)This linear function will solve the equation ax = b for x where a is a banded matrix.The banded matrix a is stored in ab by using the matrix diagonal ordered form as follows −ab[u + i - j, j] == a[i, j]The example of ab is given as follows −* a01 a12 a23 a34 a45 a00 a11 a22 a33 a44 a55 a10 a21 a32 a43 a54 * a20 a31 ... Read More
scipy.cluster.hierarchy.fcluster(Z, t, criterion=’inconsistent’depth=2, R=None, monocrat=None)− The fcluster() method forms flat clusters from the hierarchical clustering. This hierarchical clustering is defined by the given linkage matrix, identifying a link between clustered classes.Below is given the detailed explanation of its parameters −ParametersZ− ndarrayIt represents the hierarchical clustering which is encoded with the linkage matrix.t− scalarThe value of t depends on the type of criteria. For ‘inconsistent’, ‘distance’, and ‘monocrit’ criteria, the value of t represents the threshold to apply when forming flat clusters. On the other hand, for ‘maxclust’, and ‘maxclust_monocrit’ criteria, the value of t represents the maximum number of clusters ... Read More