What is Isomorphisms?We have a value x, then apply function 'to' and 'from' to value 'x', the result we should still get 'x'. // from(to(x)) == x // to(from(y)) == y So Isomorphisms is kind of opreation able to tranform a value back and forward witho…
I have 2 servers, each in two separate locations. I need to host an application on one, and the database server on the other. From the app server, if I ping the database server, on average I get about 30ms. My question is: When I query the database f…
We don't always control the data we need in our applications, and that means we often find ourselves massaging and transforming our data. In this lesson, we'll learn how to transform objects in a declarative way using ramda's evolve function. Assume…
Reading related data¶ 9 of 9 people found this helpful The Contoso University sample web application demonstrates how to create ASP.NET Core 1.0 MVC web applications using Entity Framework Core 1.0 and Visual Studio 2015. For information about the tu…
John's trip Language:Default John's trip Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 11092 Accepted: 3796 Special Judge Description Little Johnny has got a new car. He decided to drive around the town to visit his friends. Johnny wante…
出处:http://highscalability.com/blog/2014/2/3/how-google-backs-up-the-internet-along-with-exabytes-of-othe.html How Google Backs Up The Internet Along With Exabytes Of Other Data Raymond Blum leads a team of Site Reliability Engineers charged with keep…