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Implementation of +,-,*,/ with bitwise operator
There is a question asked on Stackoverflow : Divide a number by 3 without using *,/,+,-,% operators. This question is an Oracle interview question. Some people give excellent answers. You can go there and take a look. Usually we need to use bitwise operators to do this kind of implementations. Here I want to show you ways to implement +,-,*,/ with bitwise operators. A bitwise operation operates on one or more bit patterns or binary numerals at the level of their individual bits. It is a fast, pr...
Bitwise operator,Shift,Add,Subtract,Multiplication,Division 2012-08-05 01:52:47
Is Shared Hosting Secure?
Shared hosting is incredibly popular with users who are looking for the cheapest hosting available – the problem is that along with the low price you get poor performance and even more concerning – questionable security. When running on a shared host dozens if not hundreds of other sites are running on the same servers – this means any single security flaw in any of those applications can compromise the entire server. This dramatically increases the odds of your ...
Shared hosting,Virtual host,Security,Data security 2012-02-14 10:48:59
jQuery 2.0 gives up IE 6/7/8
jQuery 2.0 is released after 10 months development. jQuery 2.0 is customized for modern web browsers and also considers about mobile devices. But one big change is that jQuery 2.0 will not be compatible with old versions of IE and its size is 10% less than the version 1.9.1. The execution efficiency is higher as well. jQuery 1.9.x will still be maintained by jQuery team, they will also provide update for it. Those websites which want to be compatible with all browsers should not upgrade to...
jQuery 2.0,IE support 2013-04-20 07:58:16
Database Testing – Practical Tips and Insight on How to Test Database
Database is one of the inevitable parts of a software application these days. It does not matter at all whether it is web or desktop, client server or peer to peer, enterprise or individual business, database is working at backend. Similarly, whether it is healthcare of finance, leasing or retail, mailing application or controlling spaceship, behind the scene a database is always in action. Moreover, as the complexity of application increases the need of stronger and secure database emerge...
Embrace open source
In past few days, there are many tech news which are related to open source. For example, Microsoft enables Linux on its Windows Azure cloud, Facebook open sourced its C++ library Folly and Samsung joined Linux foundation. Now more and more big companies realize the power of open source and are willing to contribute to the open source community. It will benefit not only developers but also these big companies as well.By providing some open source libraries or projects, developer may reduce their...
Open source,Microsoft,Samsung,Facebook,Linux 2012-06-06 05:37:59
Basic Mistakes Developers Make When Creating APIs
Today, there are many tools that developers can use to create an API, meaning that some of them can come up with an API within a matter of minutes. However, there is a vast difference between just creating an API and building one that meets all your expectations, is reliable and secure. Some developers create APIs that work well but forget some basic things that, within no time, bring a lot of issues to the API users. In this article, we are going to talk about the basic mistakes that developers...
API,API DESIGN,RESTFUL API 2020-08-19 07:54:03
How to Be an Optimist in a Pessimistic Time: A Techonomy Manifesto
Gapminder WorldIt’s no secret that technology is changing the world. Unfortunately, there are a surprising number of people who don’t get it. Many of them, even more unfortunately, are important leaders in business, other powerful instutitions, and governments. To meet the challenges that face us—whether as leaders of organizations, as leaders of countries, or as the global community addressing our collective challenge—we will only be successful if we unreservedly emb...
Technology,World,Evolution,Dominant 2011-11-21 03:00:33
6 Reasons Why Devs Should Learn Ruby on Rails
Ruby on Rails has during the last ten years become an increasingly popular framework for web app development. The current shaky economy and rapidly changing tech environment requires the art of app building to be faster and more cost-effective. That's why becoming fluent in Rails might be a great way for developers to expand their knowledge, which can land them a number of great jobs or interesting projects, as well as grant access to a thriving community. Let's start with the basics – wha...
Ruby on Rails,Advantage 2014-07-25 10:56:29
Practice of using spinlock instead of mutex
Spinlock and mutex are two important concepts in multithreading programs. They are used to lock some shared resource to prevent concurrent access which may affect data consistency. But they do have differences, what are the differences? when should we use spinlock instead of mutex? The Theory In theory, when a thread tries to lock a mutex and it does not succeed, because the mutex is already locked, it will go to sleep, immediately allowing another thread to run. It will continue to sleep until...
Spinlock,Mutex,Concurrency 2014-04-19 21:54:12
What is your opinion on WordPress hosting providers?
WordPress is a popular content management system (CMS) used by millions of websites around the world. According to data from W3Techs.com, at least 64.2% of websites that have CMS use WordPress’s system. However, to run a WordPress website, you need a hosting provider that can support it. There are many hosting providers that offer specialized WordPress hosting. For example, they would provide seamless, one-click WordPress migrations, or dedicate a team of experts to address any WordPress-r...
WORDPRESS,HOSTING PROVIDER 2023-02-27 06:45:29
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