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Why the Razr 2025 Ultra is worth the premium price tag for me

A smartphone that costs over $1000 is nothing new. Apple set the standard with the $999 iPhone X in 2017 (The phone could cost well over $1000 internationally), and since then, it’s common to see a manufacturer launch their flagship phone with a quadruple-digit price point. However, a high price comes with high expectations, and if you’re suspicious of the Motorola Razr Ultra (2025), we completely understand. Motorola isn’t exactly a byword for reliability. Its resurrection of the flip phone with the Motorola Razr in 2019 was met with lukewarm reception, and over the following years, Samsung took the lead […]

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Smallest subarray with product divisible by k

Given an array of non-negative numbers, find length of smallest subarray whose product is a multiple of k. Examples :  Input : arr[] = 1, 9, 16, 5, 4, 3, 2 k = 720 Output: 3 The smallest subarray is 9, 16, 5 whose product is 720. Input : arr[] = 1, 2, 4, 5, 6 K = 96 Output : No such subarray exists The idea is simple. We traverse through all subarrays. For each subarray, we compute its product. If the product is multiple of k, we check if length of the subarray is smaller than current result. […]

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Score serious savings as this ultra-compact Chromebook drops to just $299

Your changes have been saved Email is sent Email has already been sent Acer Chromebook Spin 312 $299 $449 Save $150 The Acer Chromebook Spin 312 delivers a touchscreen with 2-in-1 ergonomics, as well as some upgarded specs over most entry-level Chromebooks. $299 at Best Buy If you’re someone that uses a laptop casually, then a Chromebook may be a good option. Not only are the most modern Chromebooks quite powerful, but you’re also getting excellent bang for your buck when you can find top models on sale. The Acer Chromebook Spin 312 features a 2-in-1 design that’s quite portable […]

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How to Root Xiaomi Redmi Note 13 4G – Six Easy METHODS!

To unlock the full potential of your Xiaomi Redmi Note 13 4G phone, it is recommended to root it and obtain full administrative access. Rooting your Xiaomi Redmi Note 13 4G gives you complete control to customize and optimize your phone beyond the limitations set by the manufacturer. This guide provides six easy rooting methods, suitable for both beginners and advanced Xiaomi phone users. We walk through each method in detail, allowing you to choose the one that best fits your needs and technical skills. Rooting your Xiaomi device comes with risks if not done properly, so we emphasize following […]

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When to use PreventDefault() vs Return false in JavaScript ?

In Javascript, there are two methods- preventDefault() and Return false, that are used to stop default browser behaviour but their functionalities and uses are little different. This article shows how these two are different. JavaScript preventDefault() Method: This method stops the event if it is stoppable, meaning that the default action that belongs to the event will not occur. It just prevents the default browser behaviour. Developers use preventDefault() in many cases For example, When clicking on a link, prevent the link from following the URL When clicking on a checkbox, prevent Toggling a checkbox When clicking on a “Submit” […]

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How To Install InfluxDB on Debian 11 / Debian 10

InfluxDB is an Open Source time series database designed for monitoring metrics and events while providing a real-time visibility into stacks. InfluxDB is a product developed by InfluxData as part of TICK Stack – which comprises of Telegraf, InfluxDB, Chronograf and Kapacitor. It is a fast Go time series database designed for high availability. InfluxDB can be easily configured using the configuration file (influxdb.conf) and environment variables. Without much theory, let’s dive into the installation of InfluxDB on Debian 11 / Debian 10 Linux distribution. Install InfluxDB on Debian 11 / Debian 10 Add InfluxDB APT repository. sudo apt update […]

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Water Jug problem using BFS

You are given an m liter jug and a n liter jug. Both the jugs are initially empty. The jugs don’t have markings to allow measuring smaller quantities. You have to use the jugs to measure d liters of water where d is less than n.  (X, Y) corresponds to a state where X refers to the amount of water in Jug1 and Y refers to the amount of water in Jug2 Determine the path from e initial state (xi, yi) to the final state (xf, yf), where (xi, yi) is (0, 0) which indicates both Jugs are initially empty and […]

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Program to implement standard error of mean

Standard error of mean (SEM) is used to estimate the sample mean dispersion from the population mean. The standard error along with sample mean is used to estimate the approximate confidence intervals for the mean. It is also known as standard error of mean or measurement often denoted by SE, SEM or SE. Examples: Input : arr[] = 78.53, 79.62, 80.25, 81.05, 83.21, 83.46 Output : 0.8063 Input : arr[] = 5, 5.5, 4.9, 4.85, 5.25, 5.05, 6.0 Output : 0.1546 Sample mean   Sample Standard Deviation   Estimate standard error of mean Explanation: given an array arr[] = {78.53, […]

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Install TWRP Recovery on Samsung Metro 312? [Easy Steps]

In this article, I will show you how to install TWRP Recovery on Samsung Metro 312 phone. The step to install TWRP Recovery is basic and by the end of this guide, you will be successfully able to install TWRP on your Samsung smartphone. Page Contents 1 What is TWRP Recovery? 1.1 Advantages of Installing TWRP Recovery on the Samsung Metro 312? 1.2 Disadvantages of Installing TWRP Recovery on the Samsung Metro 312? 2 Let’s Install TWRP Recovery on the Samsung Metro 312 2.1 Prerequisite 3 Steps to Install TWRP Recovery on Samsung Metro 312 4 Conclusion What is TWRP Recovery? […]

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Java Program to Demonstrate How User Authentication is Done

Authentication is the process of verifying the identity of users or information. User authentication is the process of verifying the identity of the user when that user logs in to a computer system. The main objective of authentication is to allow authorized users to access the computer and to deny access to unauthorized users. Example Default Assumption: User name = Geeks For Geeks , Password = Geeks For Geeks Input: User name = Geeks For Geeks, Password = Geeks For Geeks Output: Authentication Successful Input: User name = Geeks For Geeks, Password = Hello world Output: User name/ Password not […]

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Cydia update v1.1.32 resolves a known app crashing issue

Cydia, the default package manager installed alongside the checkra1n and unc0ver jailbreak tools, received a minor update last night that brought it up to version 1.1.32. Checkra1n co-developer Sam Bingner broke the news about the update on /r/jailbreak, noting that this release is officially no longer marked a beta since the update fixed the last known issue with the app. From what we can gather, Cydia v1.1.32 resolves a crash that could happen when opening the app if there was a corruption in the metadata.cb0 file. With the crashing issue now resolved, users should find Cydia to be substantially more […]

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Improving Online Experiment Capacity by 4X with Parallelization and Increased Sensitivity

Originally posted here by Doordash. Data-driven companies measure real customer reactions to determine the efficacy of new product features, but the inability to run these experiments simultaneously and on mutually exclusive groups significantly slows down development. At DoorDash we utilize data generated from user-based experiments to inform all product improvements. When testing consumer-facing features, we encountered two major challenges that constrained the number of experiments we were able to run per quarter, slowing the development and release of new product features: – Our legacy experiment platform prevented us from running multiple mutually exclusive experiments. As a result, there was additional […]

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Difference between TreeMap and TreeSet in Java

TreeSet is mainly an implementation of SortedSet in java where duplication is not allowed and objects are stored in sorted and ascending order. Some important features of the TreeSet are: In TreeSet duplicate values are not allowed because it implements the SortedSet interface. Objects in a TreeSet are stored in ascending order. In TreeSet the insertion order of elements does not maintain. TreeMap is an implementation of Map Interface. TreeMap is also an implementation of NavigableMap along with AbstractMap class. Some important features of the TreeMap are: In TreeMap null keys(like Map) are not allowed and thus a NullPointerException is […]

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What is BSON ?

BSON stands for Binary JSON. It is a binary file format that is used to store serialized JSON documents in a binary-encoded format. It was developed in 2009 by MongoDB. The MongoDB database had several scalar data formats that were of special interest only for MongoDB, hence they developed the BSON data format to be used while transferring files over the network. Although the format was developed specifically for MongoDB, it can be used anywhere as per business requirements independently.   It has several similarities with JSON for instance BSON too supports nested documents and arrays within other documents, but […]

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Instant minusNanos() method in Java with Examples

minusNanos() method of Instant class subtracts nanoseconds value passed as parameter from this instant and return the result as an instant object. This returned Instant is immutable.Syntax:   public Instant minusNanos(long nanosToSubtract) Parameters: This method accepts one parameter nanosToSubtract which is nanoseconds to be subtracted.Returns: This method returns Instant after subtraction of nanoseconds.Exception: This method throws following exceptions:   DateTimeException: if the result exceeds the maximum or minimum instant. ArithmeticException: if numeric overflow occurs. Below programs illustrate the minusNanos() method:Program 1:   Java // Java program to demonstrate // Instant.minusNanos() method   import java.time.*;   public class GFG {     public static void main(String[] […]

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Count of obtuse angles in a circle with ‘k’ equidistant points between 2 given points

A circle is given with k equidistant points on its circumference. 2 points A and B are given in the circle. Find the count of all obtuse angles (angles larger than 90 degree) formed from /_ACB, where C can be any point in circle other than A or B. Note : A and B are not equal. A < B. Points are between 1 and K(both inclusive).  Examples :   Input : K = 6, A = 1, B = 3. Output : 1 Explanation : In the circle with 6 equidistant points, when C = 2 i.e. /_123, we get obtuse angle. Input : […]

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6 things I learned from revisiting the Pixel 8a one year later

After months of rumors, Google finally unveiled the Pixel 9a last month, only for a last-second delay to bounce the company’s latest launch unceremoniously into April. I took the setback as an opportunity; rather than pace around the house waiting for any sign of my suddenly-delayed Pixel 9a review unit, it was finally time to revisit last year’s Pixel 8a. I quite liked Google’s A-series entry for 2024, despite the never-ending conversation over its price point. And, in fact, in a post-Pixel 9 world, this phone simply made all the more sense to me. But nearly 12 months after its […]