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Articles on Trending Technologies
Technical articles with clear explanations and examples
Review the Right Way!
Reviews are a prominent part of the Software Development Life Cycle (SDLC). A review is a process of looking over a document/ piece of code for the purpose of evaluation, for examining the quality or for approval.Types of ReviewsThe reviews are done in various ways. But there are majorly three types of reviews. Informal reviews, Formal reviews and Walkthroughs.Informal ReviewsInformal reviews are also known as Peer reviews. In this type of reviews, the reviewer gets his/ her documents or code verified by a peer (a co-worker). The findings of this type of review is not documented. This is majorly done ...
Read MoreOnline Tutoring Trends
If you want to succeed in your career, you need to keep learning and be up-to-date with the new technologies. To remain in touch with the upcoming technologies and concepts, you need to learn. The easiest and best way to learn new skills is to learn in your own time and in your own comfort. Most of the online teaching is done using videos, as it is a great medium to make it interactive. To enable the learning online, we have some good tutoring websites, let us see few of them −TutorialsPointTutorialsPoint gives you space where you can learn using ...
Read MorePrint all subsequences of a string using ArrayList in C++
In this problem, we are given a string and we have to print all subsequences of the string. The substring is formed by deleting elements. Also, the order of string should not be altered.Let’s take an example to understand the problem better −Input: string = “xyz” Output: x y xy z xz yz xyzTo solve this problem, we will find all substring starting from freezing the first character of the string and find subsequence accordingly, then going for the next character in string and subsequence.Examplepublic class Main { public static void printSubString(String sub, String subSeq){ if ...
Read MoreNginx WebServer Best Security Practices
NGINX is a free, open-source, high-performance HTTP server and a reverse proxy, also known as IMAP/POP3 proxy server. NGINX is famous for its high performance, stability, rich feature set, simple configuration, and low resource consumption. In this article, we will explain about ” Nginx WebServer Best Security Practices”.sysctl.conf is a simple file containing sysctl values to be read in and set by sysctl. To open sysctl.conf, use the following command –$ sudo vim /etc/sysctl.confThe sample output should be like this –## /etc/sysctl.conf - Configuration file for setting system variables # See /etc/sysctl.d/ for additional system variables. # See sysctl.conf (5) ...
Read MoreNetdata – A Real-Time Performance Monitoring Tool for Linux Systems
Netdata is an enormously optimized Linux utility that presents real-time (per 2nd) efficiency monitoring for Linux techniques, applications, SNMP devices, etc. And shows full interactive charts that certainly renders all collected values over the web browser to investigate them. This article explains about how to find a real-time performance monitoring tool for Linux Systems.FeaturesIt monitors total and per Core CPU usage, interrupts, softirqs and frequency.It monitors Memory, RAM, Swap and Kernel usage.It monitors Disk I/O (per disk: bandwidth, operations, backlog, utilisation, etc).It monitors Network interfaces including: bandwidth, packets, errors, drops, etc).It monitors Netfilter / iptables Linux firewall connections, events, errors, ...
Read MorePrint all subsequences of a string in C++
In this problem, we are given a string and we have to print all the subsequences of the string. The substring generated is created by deleting the elements of the string but the order remains the same(i.e. Order cannot be changed).Let’s take an example to understand the topic better −Input: xyz Output: x, y, z, xy, yz, xz, xyzExplanation − In the above example, we can see the only characters are deleted to create substring. No, rearranging takes place.There can be multiple methods to solve this problem, here we will discuss a few of them to understand methods.One is by ...
Read MorePopular Mobile Apps for Better Deals in 2016
With the advent of online shopping, it is becoming easier than ever to do shopping. Not only do people shop from their comfort zone, they can easily check the hottest prices in multiple catalogs, availability of products, compare prices, check special promotions, discounts, reviews and get the lowest prices on their smartphones which in turn saves time and energy.Now we have mobile apps which provides comparative analysis of pricing of products or services which helps the users to avoid visiting multiple websites for price comparison. The below are some selected mobile app picks which helps buyers to get the best ...
Read MoreThe Story of Captcha and its Variants
Coined by a creatively influential and inventive team of Carnegie Mellon professors comprising Luis von Ahn, Nicholas J. Hopper, John Langford and Manuel Blum, CAPTCHA stands for Completely Automated Public Turing Test to tell Computers and Humans Apart. Captchas was first put to use in the early 2000 by the reputed search engine giants Alta Vista and Yahoo. Touted as one of the most powerful weapons that helps fight web spams and dubious chat bots, Captcha is a befitting solution to prevent fraud URL submissions as well.Turing TestTuring test is a test named after the father of modern computer science- ...
Read MorePESTEL Analysis
Before launching any new project or service, it is always prudent that organizations analyze their external marketing environment. PESTEL analysis is a useful measure to monitor the macro-environmental (external marketing environment) factors that can impact an organization.PESTEL analysis analyzes the Political, Eonomic, Social, Technological, Environmental, and Legal aspects of an organization. It is a very important tool for measuring market growth, market position and direction in which a business is moving.Let us try to understand the importance of PESTEL analysis taking an example of a healthcare center.Political FactorsPolitical factors include Taxation policies, foreign trade regulations, political stability, labor laws, environmental ...
Read MoreThe Scrum Ceremonies – Must To Follow
On various occasions when we perform some religious activities, we strictly follow all the rituals without any fail. Whether we follow those rituals fearing GOD or due to our faith and devotions towards the GOD, that’s a separate topic to debate. But our common belief says that the rituals must be followed with full sincerity to get the desired blessings from supreme power.Similarly, while following any frameworks, we must follow all of its methods and processes to get the required benefits from it; Scrum is no exception from them. Scrum has certain principles and processes, when followed completely we will ...
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