When building any kind of application, it is often seen that a certain functionality is needed again and again at different points. It could be the functionality to display something in a certain way or retrieve data from a source, to name a few examples. Such a common case like this can appear in all kinds of development, be it front-end or back-end. A robust front-end development framework like Angular... Read more ›
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Impressive web development is the result of a successful synergy of robust back-end and an appealing front-end. Usually, the back-end is thought to be the ‘brains’ of a webpage and the front-end is merely the shiny exterior. However, with the right front-end development framework, powerful computations can happen directly on the front-end as well. Angular happens to be one of such impressive front-end development frameworks. Through its templates, Angular offers... Read more ›
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All the popular frameworks used in the world of front-end development have different approaches to the tools offered for development. However, almost all frameworks focus on providing as much encapsulation as possible. More encapsulation would mean that the developer does not need to worry about nitty-gritty details and the client does not see what they don’t need to see. This leads to a smoother development and an easy-to-understand view of... Read more ›
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The PVS-Studio website turns 15 this year. This is quite significant for any internet resource. Back then, when our website was born, Russia announced 2006 as a year of humanities. That same year, in June, Denis Kryuchkov established a new platform, "Habrhabr" (now known as Habr). In November, Microsoft officially completed OS Windows Vista. That same month we registered the viva64.com domain.We celebrated our domain's 10th anniversary with the website's... Read more ›
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The idea to build a 4th order low-pass filter looks simple: add one more feedback loop. But there are pitfalls, as always.Read more → Read more ›
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Do you like the '?.' operator? Well, who doesn't? Many people like these concise null checks. However, today's article shows that the '?.' operator may be tricky sometimes. That is, it can create an illusion of safety when used in the foreach loop. Read more → Read more ›
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![[Translation] Application performance monitoring and health metrics without APM](https://times42.com/media/7/7/1/2305771_640x200.jpg "[Translation] Application performance monitoring and health metrics without APM")
I have already written about AIOps and machine learning methods in working with IT incidents, about hybrid umbrella monitoring and various approaches to service management. Now I would like to share a very specific algorithm, how one can quickly get information about functioning conditions of business applications using synthetic monitoring and how to build, on this basis, the health metric of business services at no special cost. The story is... Read more ›
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Nowadays a lot of product managers have to confirm most of their decisions with AB-tests. Yet, it is far not always clear how to choose the parameters for the test. A particularly difficult parameter to tune is often the level of statistical significance. If we choose too high level - tests will fail even though improvements do exist. If we choose too low level - we'll be getting lots of... Read more ›
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New issue of DataScienceDigest is here! OpenAI is launching a $100 million startup fund, Albumentations 1.0 has been released, lessons on ML platforms, image cropping on Twitter, and more. Read more Read more ›
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A basic data structure in computer science is the “associative array” known as a “map”. This structure is called a “dictionary”. Dictionaries are being used when you have key-value pairs of the information. Inputs are called keys, and outputs are called values. A dictionary is the abstract data type that can store elements so that they can be positioned quickly by using keys. Dictionary is like a container that will... Read more ›
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We continue to develop PVS-Studio as a SAST solution. Thus, one of our major goals is expanding OWASP coverage. You might ask, what's the use when there's no taint analysis? That's exactly what we thought — and decided to implement taint analysis in the C# analyzer. Curious about what we accomplished? Read on! Read more → Read more ›
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Angular is one of the most popular front-end development frameworks out there. It is a leading choice for personal as well as industry-level development of web applications due to its robust capabilities. While Angular is popular for many different reasons, one of the main ones is its modular nature. Modularity makes it easy for the developer to keep track of all the different elements being used to program functionalities. It... Read more ›
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From the earliest days, we used MSVC to compile the PVS-Studio C++ analyzer for Windows - then, in 2006, known as Viva64, version 1.00. With new releases, the analyzer's C++ core learned to work on Linux and macOS, and we modified the project's structure to support CMake. However, we kept using the MSVC compiler to build the analyzer's version for Windows. Then, in 2019, on April 29th, Visual Studio developers... Read more ›
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Data structures are classified into linear and non-linear data structures. A tree is a non-linear data structure. Data is stored hierarchically in a non-linear data structure. So the tree is a way of organizing data hierarchically. A tree grows from top to bottom. In a tree, there are different kinds of nodes that are linked with each other. A tree consists of the following elements: Читать далее Read more ›
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It is a collection of edges and vertices. It can be used to display any form of network.The following graph contains a total of 4 vertices and 5 edges. In this graph, vertices are A, B, C and D while edges are AB, BD, DC, CA and AD. Vertices are also known as nodes. The line connecting these vertices is the edge. Vertices are like objects and edges indicate the... Read more ›
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Sorting is the process that is used to arrange the elements in a specific manner. A sorting algorithm is used to rearrange a given array according to the specific order. It can sort an array in either ascending or descending order. We need a sorting algorithm because it helps us to easily and fastly locate elements in the array list. The key purpose of sorting algorithms is to get the... Read more ›
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Recursion is a strategy that algorithms use to solve specific problems. A recursive algorithm is an algorithm that solves the main problem by using the solution of a simpler sub-problem of the same type. Recursion is a particular way of solving a problem by having a function calling itself repeatedly. It is always applied to a function only. By using recursion, we can reduce the size of the program or... Read more ›
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@tracefile_read_last_by_mask filemask [regexp] [ignore_regexp]– finds last trace by filemask and filters rows by regexp and filters out rows by ignore_regexp: Read more Read more ›
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We describe the implementation of a custom Domain Name System (DNS) by using C socket programming for network communication, together with SQLite3 database for the storage of Internet Protocol (IP) for Uniform Resource Locator (URL). Then we provide a performance analysis of our implementation. Our code is available publicly [1]. Read more Read more ›
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On implementing streaming algorithms, counting of events often occurs, where an event means something like a packet arrival or a connection establishment. Since the number of events is large, the available memory can become a bottleneck: an ordinary -bit counter allows to take into account no more than events.One way to handle a larger range of values using the same amount of memory would be approximate counting. This article provides... Read more ›
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Most popular sources
Business Insider
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31% 8 |
Eurogamer.net
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14% 3 |
MacRumors
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12% 11 |
CNET
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9% 4 |
Android Authority
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5% 2 |
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06.10.2024 16:24
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