Iven Yin

The zookeeper is a popular configuration management and coordination centralized service supported by Apache. It manages the metadata based on a tree-like, hierarchical structure which make it respond quickly and integrally even in a huge distributed system like Kafka. It is required for Kafka by default, but most enterprises will have their own Zookeeper system. […]

The Kafka became more and more popular as a famous real-time message delivering and communication system for a period of years. It was born in LinkedIn and contributed to Apache in 2011. Then it grew to be one of the top Apache projects. For now, it has been accepted by thousands of enterprises as the […]

The Kafka is a stable and real-time communication and message delivery distribution system. Usually the enterprise Kafka application and system will ask for several machine servers supports. But for proof-of-concept or for special circumstances, we want to show you a simpler way to use the Kafka application. Below, I will show you how to install a Kafka […]

Abstract: Bing Maps is an online mapping service that enables users to search, discover, explore, plan and share information about specific locations. It provides a variety of service API to support a lot kinds of the map application. I believe you can find a one that will be useful for your applications and systems. Introduction […]

Abstract: CAML is a dialect of the ML programming language family like may descendants of ML. It has been applied in lots of popular platforms like SharePoint. It has been more and more popular. However, I cannot find the way to apply CAML to query database. In this article, I will introduce one way to […]

Abstract: Apache Log4Net framework is very popular logging library which has been used in thousands of systems. It provides several to populate the logger instance. In general, we use the XML configuration to set the logger instance property. And the framework will load and parse the configuration quickly and easily. However, this way is fixed […]

Abstract: Owl Carousel is one of the popular jQuery plugins that lets you create a beautiful responsive carousel slider. It has been used for many website application systems. At present, the latest version of Owl Carousel 2 was released. However, there is a shortage for Owl Carousel animation functionality. For now, the plugin did not […]

JSONP is always a popular way to use the open policy of SCRIPT HTML element to implement the cross-domain access by a lot of developers. However, most of their knowledge blogs are just the segments of one of the integrated solutions. In this article, we will introduce a whole integrated solution to implement the cross-domain […]

JSONP is always a popular way to use the open policy of the SCRIPT HTML element to implement the cross-domain access by a lot of developers. However, most of their knowledge blogs are just the segments of one of the integrated solutions. In this article, we will introduce a whole integrated solution to implement the […]

JSONP is always a popular way to use the open policy of SCRIPT HTML elements to implement the cross-domain access by a lot of developers. However, most of their knowledge blogs are just the segments of one of the integrated solutions. In this article, we will introduce a whole integrated solution to implement the cross-domain access […]

For the most application, to post data to service is very common and popular. However, it will be hard to across domain post data to a WCF service especially from SharePoint Site Collection by SSL REST request. You may have an authorization problem on this. You may also miss the data posted by web client. […]