SEARCH KEYWORD -- Business model
Microsoft wakes up to Open Source … in a big way!
Contrary to popular belief, Microsoft loves open-source. No, really! Don’t believe me? Read on: Today, Microsoft announced that it is open-sourcing all of its flagship web/cloud platform: ASP.NET MVC Web Pages (aka Razor), Web API. Importantly … these projects will be publicly hosted and that the team will continue development in the open (you’ll be able to view the repository and see the code commits as they happen) and that Microsoft will even cons...
Oepn source,Microsoft,Ruby 2012-04-01 04:23:42
When and How to Use the Go Channel
Go’s concise structure and powerful native library enable us to hit the ground running easily. It is more efficient than Java or Python when implementing the same functions, especially its concurrent programming, which is very handy and widely admired due to its goroutine and channel. goroutine and channel has much to dig into, and let’s start with channel, which I used to consider narrowly as a message queue to transfer data between gorouti...
Eleven Equations True Computer Science Geeks Should (at Least Pretend to) Know
This idea is a complete rip off an article that appeared in Wired a little while ago and it got me thinking what would my list for Computer Science look like? Plus I thought it might be a fun post and unlike the Wired list this one goes to eleven. So here they are in no particular order: Binomial Coefficient The Binomial Coefficient equation generates Pascal’s Triangle and gives you the coefficients for the Binomial Theorem these ideas are often attributed to Pa...
Algorithms,Computer science,Euler formula,Fermat 2011-11-29 08:42:50
Baidu is in a deadly crisis
In past few days, there was some news about Baidu(China's Google) which put this search engine giant in China in a devastating position. The news is about that the owners of a Tieba(Similar to Google Group) were replaced by a sponsored organization without notifying the original owners. This irritated the original owners of the Tieba and also the public. People are complaining that Baidu is doing something ridiculous and evil. The name of the Tieba group which was sold by Ba...
The Most Effective Stretches and Yoga Poses for Programmers
Programming software takes a tremendous amount of focus and effort. Working hard to transform code into software is an exciting feeling. It’s easy to get lost in your work as the hours fly by. I’ve done this many times. However, writing code can also be frustrating in many cases. I’ve been a programmer for many years, and I still spend hours debugging. Most of the time this level of debugging requires sitting down and focusing. After many years of this, you will be a prime ca...
YOGA FOR PROGRAMMERS,STRETCHING GUIDE FOR PROGRAMMERS,YOGA FOR DEVELOPERS 2018-07-14 07:20:25
JavaScript Attack/Defend
As developers and designers we work hard to build visually attractive, fast and easy to maintain applications. Our goals are to make sure the applications we build stick to users and keep them coming back for more. Security is not always at the forefront of our minds. No one intentionally builds insecure software but often a lack of security knowledge leads developers to build vulnerabilities into their applications. In this article we are going to examine two web security attacks, how they are ...
JavaScript,Attack,Defend,Security,Cross site 2011-10-13 13:09:11
4 deployment modes of Redis
As a high-performance in-memory database, Redis is widely used in current mainstream distributed architecture systems. To improve system fault tolerance, using multiple instances of Redis is also inevitable, but the complexity is much higher than that of a single instance. This article mainly introduces the four deployment modes of Redis and their advantages and disadvantages. Standalone Standalone mode is to install a Redis, start it, and business connects to it and that's all. The specific ...
REDIS,STANDALONE,MASTER-SLAVE,SENTINEL,CLUSTER 2023-03-03 21:35:09
IBM acquires Ustream to propel its cloud business
On January 21, 2016, IBM acquired Ustream, a leading live and on-demand video solution company, to propel its cloud service business. This acquisition will make IBM capable of providing enterprise live video stream service to the world. With this, a new member joining the IBM cloud service family. Ustream provides cloud-based video streaming to enterprises and broadcasters for everything from corporate keynotes to live music concerts. The company streams live and on-demand video to about 80 mil...
The four key figures behind the success of JavaScript - Douglas Crockford
JavaScript's success can be attributed to at least four key figures: Brendan Eich, the creator of JavaScript Douglas Crockford, the creator of JSLint and JSON John Resig, the creator of jQuery Ryan Dahl, the creator of Node.js. We are already very familiar with Brendan Eich and the invention process of JavaScript, so let's start with Douglas Crockford, the second in command of JavaScript. Alliance In the 1990s, Microsoft's dominance overshadowed the whole world. At this time, two challengers e...
JAVASCRIPT,DOUGLAS CROCKFORD,HISTORY 2023-05-07 06:42:30
Why (offset, limit) is slow in database select?
Starting from a problem Five years ago when I was working at Tencent, I found that MySQL request speed was very slow in the pagination scenario. With only 100,000 data, a select query on a single machine took about 2-3 seconds. I asked my mentor why, and he asked in return, "In an indexing scenario, what is the time complexity to get the nth largest number in MySQL?" The pursuit of the answer Confirming the scenario Assuming there is an index on the "status" column, a query like "select * from t...
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