The LUA Cjson is a fast JSON parsing and coding tool for Lua. It features a faster 10 to 20 times times faster than the fastest LUA library, full support for JSON UTF-8, no dependencies except Lua/luajit, easy to install. The software has been tested by Linux, FreeBSD, OS X and Windows platforms, and users can use it with ease. The Lua Cjson version 1.0.3 Fixes an object encoding error. Software Information: Http://ww ...
This article is my second time reading Hadoop 0.20.2 notes, encountered many problems in the reading process, and ultimately through a variety of ways to solve most of the. Hadoop the whole system is well designed, the source code is worth learning distributed students read, will be all notes one by one post, hope to facilitate reading Hadoop source code, less detours. 1 serialization core Technology The objectwritable in 0.20.2 version Hadoop supports the following types of data format serialization: Data type examples say ...
Today we announced the release of C++asablanca, Casablanca release: A local class library that accesses the cloud in C + +. The Casablanca project opens up to how best to support c++http://www.aliyun.com/zixun/aggregation/7155.html > developers (those who want to take advantage of Windows The discovery that Azure represents the transformation of the software architecture of C + + developers. Use Casa ...
Juc++e (Jules ' Utility class Extensions) is a set of C + + Cross-platform application Framework class libraries (Windows, Materialsoftware) released by Raw Mac,linux. Juce is unique in its user-friendly user interface and powerful audio and image processing capabilities. Juce is for developers who want to use clean, fast, high-level APIs rather than wasting time using different classes of libraries for different platforms. Juce can ...
C + + Sockets 2.3.9.6 This version separates the issue of a timing has been resolved. More configuration options have been added. Now sockethanhttp://www.aliyun.com/zixun/aggregation/16504.html ">dler retrieves the missing status flag. The AJP client socket has been updated. The JSON parser has been updated. C + + Sockets is a cross-platform Sockets library, implementation includes TC ...
Working with text is a common usage of the MapReduce process, because text processing is relatively complex and processor-intensive processing. The basic word count is often used to demonstrate Haddoop's ability to handle large amounts of text and basic summary content. To get the number of words, split the text from an input file (using a basic string tokenizer) for each word that contains the count, and use a Reduce to count each word. For example, from the phrase the quick bro ...
Blockchain is currently a relatively popular new concept, containing two concepts of technology and finance. From a technical point of view, this is a distributed database that sacrifices consistency efficiency and guarantees eventual consistency. Of course, this is one-sided. From an economic point of view, this kind of fault-tolerant peer-to-peer network just meets a necessary requirement of the sharing economy - a low-cost trusted environment.
As a software developer or DBA, one of the essential tasks is to deal with databases, such as MS SQL Server, MySQL, Oracle, PostgreSQL, MongoDB, and so on. As we all know, MySQL is currently the most widely used and the best free open source database, in addition, there are some you do not know or useless but excellent open source database, such as PostgreSQL, MongoDB, HBase, Cassandra, Couchba ...
In our daily life, we are inseparable from the application of position recognition class. Apps like Foursquare and Facebook help us share our current location (or the sights we're visiting) with our family and friends. Apps like Google Local help us find out what services or businesses we need around our current location. So, if we need to find a café that's closest to us, we can get a quick suggestion via Google Local and start right away. This not only greatly facilitates the daily life, ...
This paper is an excerpt from the book "The Authoritative Guide to Hadoop", published by Tsinghua University Press, which is the author of Tom White, the School of Data Science and engineering, East China Normal University. This book begins with the origins of Hadoop, and integrates theory and practice to introduce Hadoop as an ideal tool for high-performance processing of massive datasets. The book consists of 16 chapters, 3 appendices, covering topics including: Haddoop;mapreduce;hadoop Distributed file system; Hadoop I/O, MapReduce application Open ...
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