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  Why using + to concatenate string in Java loop is not a good option

String concatenation is a common operation in Java programming. It is to concatenate multiple strings into a single string. Java provides a String class which is an immutable class which means the object cannot be mutated once instantiated. Once a String object is instantiated, its properties cannot be changed anymore, so when concatenating strings, it's actually create a new String instance to store the concatenated string values. For example, below is a simple string concatenation example. Str...

   JAVA,STRING,JAVA 8     2019-01-18 22:07:12

  Write Your Own R Packages

Introduction A set of user-defined functions (UDF) or utility functions are helpful to simplify our code and avoid repeating the same typing for daily analysis work. Previously, I saved all my R functions to a single R file. Whenever I want to use them, I can simply source the R file to import all functions. This is a simple but not perfect approach, especially when I want to check the documentation of certain functions. It was quite annoying that you can’t just type ?func&n...

   DATA SCIENCE,R PROGRAMMING,DATA ENGINEERING     2019-10-19 07:20:52

  1) How to Reset a Mac Computer

Why do you want to reset your Mac computer? Probably, you are thinking about selling it. Alternatively, maybe the computer has become too slow thus frustrating you most of the time. Additionally, you may simply be considering freeing up some space. Regardless of your reasons, the first thing you should realize is that resetting the machine is a demanding task. Additionally, it would be great to remember that in resetting the machine, you are basically formatting the hard drive fully while reins...

       2019-05-30 19:13:20

  Design Trends That Can Help You Boost Ecommerce Sales

Since the beginning of 2016, a considerable growth in the eCommerce sector has been experienced across the globe. There are certain trends that were accepted globally but as liking, preferences and monetary conditions of people vary from region to region, we can say that different places have their own trends when it comes to Ecommerce software solutions. In this blog we have brought to you some of the most significant eCommerce design trends that are lingering around the development world.&nbs...

   BUSINESS, ECOMMERCE,ECOMMERCE DEVELOPMENT COMPANY,ECOMMERCE SOFTWARE SOLUTIONS,OUTSOURCING IT     2016-02-22 23:58:18

  What have been Facebook’s greatest technical accomplishments?

To maintain a large website which gets billions of requests er day and keeps very fast response speed is not an easy task. Many big companies are trying best to improve user experience by adopting different techniques. There is a question on Quora which asks "What have been Facebook’s greatest technical accomplishments?". There is a person who worked in Facebook before provided an answer which helps us understanding how Facebook handles huge amount of traffic each day. Here is the answer f...

   Facebook, Design, Efficiency     2013-01-15 07:32:07

  Load html content properly in iframe

When loading content in an ifrasme, there are normally two ways: loading with src or creating iframe dynamically and set content dynamically. In this post, we will talk about how to properly load content in a dynamically created iframe element, especially on how to fix some issue we faced while in Firefox. To create an iframe dynamically, we would normally use JavaScript and with below piece of cod: let iframe = document.createElement("ifrasme"); iframe.innerHTML = "this is some text"; document...

   IFRAME,HTML,BLANK,FIREFOX,FIX     2021-04-10 02:17:27

  Guide to Help Launch Your Startup Faster

You try, you fail you learn you succeed. It is not as easy as it seems to be because startup is not just an idea; it is a series of processes. Turning the idea into a profitable business and leading all the way through cannot be achieved overnight. An astounding 90% of startups fail to lift their business off the ground. While only a few manage to achieve success and survive for many years. The reason for failure is that most of the entrepreneurs do not know how to take business from start to e...

   STARTUP SOLUTIONS,STARTUP DEVELOPMENT ,MVP DEVELOPMENT ,MVP SOLUTIONS     2017-09-14 04:40:43

  What to Know About Windows 11

Windows 11 launched in October, with Microsoft bringing some changes to the operating system. It was the first name change in six years, and the rollout began on October 5. The rollout is being phased on eligible devices.  You can download it if you don’t want to wait for it to be your device’s turn.  Some businesses are opting to defer upgrades to Windows 11, as are some individuals. Others are excited to take advantage. The following are some things to know about impleme...

   MICROSOFT,WINDOWS 11     2021-12-06 10:41:04

  Why does Symbian collapse?

On 24th January, Nokia announces a disappointing news that they would give up Symbian. The 808 PureView released last year will be its last Symbian model.  Symbian was born in 1998, it was supported by the then three mobile giants : Sony Ericson, Motorola and Nokia after its birth, later Samsung and LG also joined the Symbian camp. In 2000, the first Symbian model in the world Ericoson R380 was released, in 20006, there were over 100 million Symbian handphones on the market. But in 2007, t...

   Nokia, Symbian, Collapse, Analysis     2013-01-28 03:06:09

  Cybersecurity | The New Dangers That Lurk Online and Their Solutions

(Image source: Pexels) Data is one of the most important things to us. While robbers that steal valuables like laptops, phones, or money are still a threat, cybercrimes are also more dangerous than ever. That’s because your data is far more valuable than you might think. Companies benefit from users’ data by applying it for their indexing, marketing, and accumulation needs. They actively use this information to sell you more products. Have you ever visited Amazon and instantly got a ...

   DATA SECURITY,VPN     2020-04-23 06:47:37

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