Discussion on the security of Open source Web program backstage

First, the preface somehow recently miss the campus life, miss the canteen fried rice. At that time will go to a variety of security BBS brush posts, like to see others write some of the security skills or experience of the summary; At that time BBS on a lot of article title are: Successful infiltration of XXX, successfully took xxx. Here is an invasion of a university in the Philippines article leads to the theme of the article, we first briefly look at the process. The university website uses the open source Web program called Joomla, (1) The youth uses a Joomla already public loophole to enter the Web backstage (2) youth makes ...

Ma Quan: Docker,hadoop's competitor is coming!

CSDN "Open source technology assembly 2014" (OSTC 2014) will be held at the Beijing Pavilion Garden Hotel on March 30, 2014.   We will publish a series of interviews with the lecturer and discuss what they will share in the event.   In this issue, we are interviewing Docker, the initiator of the Chinese community in Ma Quan. About Docker:docker is DotCloud open source, can be any application packaging in the Linux container running tools, 2 ...

To be a part of what a PHP expert needs to experience

This article is the 1th of 4 posts in the "Becoming a PHP Professional" series. When browsing various PHP-related blogs, such as Quora, Google Groups, newsletters, and magazines, I often notice the level of skill differentiation. The question is similar to "How do I connect to the MySQL database?" Or how do I extend my messaging system to send more than 10,000 messages per hour without introducing new servers? "I divide PHP capabilities into 4 levels, which may apply ...

R language for Hadoop injection of statistical blood

R is a GNU open Source Tool, with S-language pedigree, skilled in statistical computing and statistical charting. An open source project launched by Revolution Analytics Rhadoop the R language with Hadoop, which is a good place to play R language expertise. The vast number of R language enthusiasts with powerful tools Rhadoop, can be in the field of large data, which is undoubtedly a good news for R language programmers.   The author gave a detailed explanation of R language and Hadoop from a programmer's point of view. The following is the original: former ...

The success of Linux comes from the community, not the superior technology

2013, in all respects, is a Linux year. Jim Zemlin, executive director of the Linux Foundation, announced that Linux has spread to every corner of the computing.   Zemlin says Linux is almost ubiquitous from smartphones, tablets, consumer electronics and cars to open clouds and high-performance computers, as well as gaming platforms. How does Linux spread to every corner of the technology world? After all, Linux does not really realize its original commitment to become a replacement for http://...

NuoDB tell you what the future database looks like.

When a big client wants to continue to invest more in your company, that's a good sign, and that's what the database start-up NuoDB is going through today, announcing the 14.2 million-dollar financing. Dassault Systèmes, Europe's second-largest software company (after SAP), has a strong interest in NuoDB and has been an investor. Dassault is a supplier of development tools for the 3D printing industry. Rather than letting customers run their software in their own data center, Dassault would prefer to ...

Easy to handle terabytes of data, open source Graphlab breakthrough human Graph Computing "limit value"

Figure http://www.aliyun.com/zixun/aggregation/14345.html "> Data processing in the past has been the patent of data scientists, as the application of data is more and more extensive, large data analysis has become an essential part of the field of data analysis, There is a growing need for easy access to simple graph data analysis tools. Graphlab is a very popular open source project, Graphlab developers are constantly pursuing the innovation and development of graph computing, so that it can cater to a large amount of ...

Oversharekit: Open source iOS social sharing tool Library

Oversharekit is an open source ioshttp://www.aliyun.com/zixun/aggregation/10211.html "> Social sharing Tool Library, based on the MIT protocol release, and the code is already hosted on GitHub."   By Oversharekit, developers will no longer have to worry about writing social-sharing controls for applications, directly referencing them through methods. Oversharekit Advantages: Sharing interface Cloth ...

Real-time computing practices: architecture and algorithms

In today's era, data is no longer expensive, but getting value from massive data becomes expensive, and getting value in time is more expensive, which is why real-time computing is becoming more and more popular. In percentile companies, for example, nearly million HTTP requests are sent to the percentile server at peak intervals, which include user behavior and personalized referral requests. How do you quickly tap the user's preferences and make good recommendations from these data? This is the top priority for the percentage point recommendation engine. This paper will introduce the experience of the company in real-time computing from the system architecture and algorithm.

MongoDB production environment performance and reliability considerations

This article is the MongoDB Production notes section of the translation http://www.aliyun.com/zixun/aggregation/13461.html ">mongodb Manuel. This section focuses on the various considerations that affect performance and reliability in the production environment, and is worth the attention of workers who are deploying MongoDB. This article describes in detail the key system configurations that affect MongoDB, especially the production environment. The following are ...

Facebook Open source Flint: A C + + static code analyzer written in D language

Recently, http://www.aliyun.com/zixun/aggregation/1560.html ">facebook Open source flint--a c++++ Static code analyzer written in D language, That's more consistent with Facebook's style.   Facebook Open Flint Software source code, not only through the user and the programmer's feedback to flint constantly update and improve the performance of flint. Why not ...

MongoDB Core Contributors: No no no, you don't understand!

Recently MongoDB in hack news is frequently shot. Many people even claim to hate Mongodb,david Mytton on his blog to expose MongoDB many existing problems. But those who hate have a lot in common, as a comeback: Russell Smith brings a summary of years of work experience. Russell Smith has worked as an OPS and a large website scaling advisor and has helped Guardian, Experian and many other companies, MongoDB Lond ...

Introduction of MEAYUNDB Embedded Speed memory Database

The cloud platform is composed of n>=1 meayundb subset groups, and the applications on each subset group are identical, and the only difference is that the data stored by each MEAYUNDB subset group is different.   All of your data is distributed to each subset of the cloud platform, and each subset group stores only a portion of your data. The number of MEAYUNDB instances in the Meayundb subset group requires >=1 (the number of instances is determined by the user), and the MEAYUNDB instance data in the same subset group is exactly the same, providing the same externally ...

How to use MongoDB as a pure memory database

This usage is very practical for the following applications: write-intensive cache embedded systems that precede a slow RDBMS system require a lightweight database and a unit test that data in the library can easily be purged without the need for a persistent data-compliant PCI system (testing) If all this could be done, it would be elegant: we would be able to manipulate http://www.aliyun.com/zixun/aggregati without involving disk operations ...

JavaScript: Detailed BASE64 encoding and decoding

Base64 is one of the most commonly used encodings, such as the development of passing parameters, the <img/> tags in modern browsers to render pictures directly through Base64 strings, and for messages and so on.  The BASE64 encoding is defined in RFC2045, which is defined as: Base64 content transfer encoding is designed to describe the 8-bit byte of any sequence as a form that is not easily recognized directly by the person. We know that any data is stored in binary form on the computer. One byte is 8 bits, one character is stored in the computer ...

Open source system new Linux kernel 3.13.2 officially released

Greg Kroah-hartman yesterday announced the release of the second maintenance version of Linux Kernel 3.13, which brought a lot of updates and fixes that users can now download for free. Linux kernel 3.13.2 Releases the architecture updates for arm, s390, PowerPC, Pa-risc, and x86, as well as extensive drive updates for MMC, wireless, RTC, SCSI, TTY, USB, IPV4 and Http://www.aliy ...

Hadoop issues and solutions for handling large numbers of small files

Small files refer to files that are smaller than the block size (default 64M) of size HDFs. If you store small files in a HDFs, there will certainly be a lot of such small files in HDFs (otherwise you won't be using Hadoop).  The problem with HDFs is that you can't handle a lot of small files efficiently. Any file, directory, and block, in HDFs, is represented as an object stored in the Http://www.aliyun.com/zixun/aggrega ...

Why open source Enterprise's banner is fading

The writer, Matt Asay, is vice president of MongoDB's business development and corporate strategy. In his article, he focuses on why it is increasingly difficult to see open source in open source enterprises, in addition to the impact of some of the companies, but also the open source enterprise autonomy to reduce the dependence on open source. (The following is compiled content) Peter Levine, a former open-source entrepreneur and venture capitalist, believes it would be a foolish thing for entrepreneurs to emulate Red Hat's already mature open source route. ...

12 free and open source NoSQL database Introduction

Naresh Kumar, a software engineer and enthusiastic blogger, has great interest in programming and new things, and is happy to share technical research results with other developers and programmers.   Recently, Naresh wrote about 12 well-known free, open source NoSQL databases, and analyzed the characteristics of these databases. Now that the NoSQL database is becoming more and more popular, I'm here to summarize some of the great, free and open source NoSQL databases. In these databases, MongoDB the top, with considerable ...

15 core chip + data platform, Intel software and hardware Hadoop strategy

Recently, the launch of the new Xeon processor has once again aroused concern about Intel. Intel's foray into the big data market is no longer news, and last year Intel began to improve hardware and software to meet the needs of "big data" processing, which recently injected large sums of money into the Chinese market and built a data platform aimed at communications, finance and IoT industries.  From a series of actions that show Intel's vows to compete with Microsoft, Google and Amazon, Saroj Kar, an analyst, has brought us his insights into Intel's data platform. Intel officially launches ...

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