When Did Java Come Out

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Java programmers master the system knowledge of the CPU

Last year in the investigation of a lot of java applications, see some of the phenomenon is the programmer to run on their own environment to read the program rarely lead to troubleshooting problems will be more frustrating, so think of writing this series of articles, procedures To provide functionality to end-users, the code is only one part of it, and it needs to be relied on for jvm, os, server hardware, networking, load balancing, etc. In this series of articles, Several parts, more is only a science role, because os I use are linux, this series ...

Java thread pool management and distributed Hadoop scheduling framework

Multithreading is the problem that programmers often face in the interview, the level of mastery and understanding of multithreading concept is often used to measure a person's programming strength. Yes, ordinary multithreading is not easy, then when multithreading encounter "elephants" will produce what kind of sparks?   Here we share the Java thread Pool management and distributed Hadoop scheduling framework with 严澜, the Shanghai Creative Technology director. Usually the development of the thread is a thing, such as Tomcat in the servlet is the threads, no thread how we provide more ...

Manage Java thread pool and build distributed Hadoop scheduling framework

Usually the development of the thread is a thing, such as Tomcat is a servlet in the threads, there is no thread how do we provide multi-user access? But many developers who have just started to touch threads have suffered a lot.   How to do a set of simple threading Development Mode framework for everyone from the single thread development into multithreaded development, this is really a relatively difficult project. What is the specific thread? First look at what the process is, the process is a system executed a program, this program can use memory, processor, file system and other related resources ...

is open source Hadoop really cheap? To figure out your IT costs

&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; Speaking at the TDWI summit of the 2014 Data Warehousing Institute in the United States, Richard Winter, a consultant with rich experience in data lifecycle management, pointed out that when using an open-source Hadoop architecture, it was important to calculate the cost of the data. Because many hidden costs lurk in the surface free architecture, ...

The station has come all the way.

Intermediary transaction http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest cloud host technology Hall today by the school request to the Tripartite employment agreement, from the school back to stay, immediately turn on the computer, Landing just finished the site backstage, and plans in these two days, put all the uploaded articles are uploaded, let it like a decent site. Suddenly feel the eyes sour and a little pain, pick up the computer next to the mirror look, eyeful of blood ...

Debu Panda's strengths, challenges and recommendations for the PaaS development team

Debu Panda, head of product management at BMC Software, a Houston-based provider of business-service management products, is able to cite numerous benefits when it comes to PaaS, arguing that PaaS makes applications Revolutionary changes have taken place in the development and deployment methods. Debu Panda said: "PaaS benefits most of the benefits of cloud computing such as no-start costs, complete application integration, and flexible facility pricing." Debu Panda In order for developers to ...

Shrimp Wang Hao: how do I venture in the hardest industry to carry out the music in the end?

Intermediary transaction SEO diagnosis Taobao guest Cloud host technology Lobby I black Horse Note: Wang Hao is the CEO of shrimp, but also China's earliest and most determined digital music pay advocates and executives.   This is the 12 floor of Block B to Wang Hao's interview, in this article he shared his own entrepreneurial journey: How to change from the code farmers to the CEO, shrimp is how to solve a problem to have the present achievements.   Part 1: From the code farmers to the founder of the 12 floor King Hao Hello, welcome to participate in our sharing. Wang Hao everyone good, I am Wang Hao. ...

10 programming languages that could change the way IT industry moves

Do we really need so many new programming languages? There is no doubt that the choices currently being made by developers are quite rich. command-type languages, functional languages, object-oriented languages, dynamic languages, compiled language interpretive languages, and scripting languages and so on seem to have completely covered all the tasks we might face, and few professionals today have been able to understand all the languages. However, new languages are still springing up at an alarming rate. Some are designed by students or enthusiasts in the form of personal projects, others from large it vendors. Not even ...

15 kinds of technologies that change the way developers work

In the past, assembly code written by developers was lightweight and fast. If you are lucky, they can hire someone to help you finish typing the code if you have a good budget. If you're in a bad mood, you can only do complex input work on your own. Now, developers work with team members on different continents, who use languages ​​in different character sets, and worse, some team members may use different versions of the compiler. Some code is new, some libraries are created from many years ago, the source code has been ...

Set up the various problems encountered in the Hadoop cluster, sorted as follows:

&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; Together with the partners to build Hadoop cluster encountered various problems, sorted as follows: Preface in the winter vacation a period of time, began to investigate Hadoop2.2.0 build process, at that time suffer from no machine, just in 3 notebooks, Jane ...

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