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Software
Software/os
version
Hadoop
2.6.3
Eclipse
Kepler 4.3
1. Download data from NOAA
FTP addressFtp://ftp.ncdc.noaa.gov/pub/data/gsod
All data for 1944Ftp://ftp.ncdc.noaa.gov/pub/data/gsod/1944/gsod_1944.tar 2. Creating a Maven Project
3. Configuring the Eclipse plug-in
Hadoop-eclipse-plugin-2.6.0.jar
Copy to plugins directory, restart eclipse
Windows->preferences->hadoop Map/reduce->hadoop installation directory
Windows->open
business and user requirements require applications that connect more and more of the world's data, but still expect high levels of performance and data reliability. Many future applications will be built using a graphical database like neo4j. today's CIOs and CTO not only need to manage large amounts of data, they also need insights from existing data. In this case, the relationships between data points are more important than the individual points themselves. To take advantage of data relati
, local or remote access to the service is available. Higher performance: Higher performance (and better cost-to-value) than a centralized computer network cluster. Troubleshooting: Troubleshooting and diagnosing problems. Software: Less software support is a major disadvantage of distributed computing systems. Network: Network infrastructure issues, including: transmission problems, high load, information loss, etc. Security: The characteristics of the development system have the problems of da
name implies, data is stored in columns. The biggest feature is the convenient storage of structured and semi-structured data, easy to do data compression, for a column or a few columns of the query has a very large IO advantage.Document storageMongodbCouchdbDocument storage is typically stored in a JSON-like format, and the stored content is document-based. This also gives you the opportunity to index certain fields and implement certain functions of the relational database.Key-value StorageTo
I. Introduction to Node. js to persuade you to read this simple instruction, it is necessary to advertise Node. js first. First, let's see who is using Node. js. It's always a big difference to be mixed with industry leaders. First, Microsoft's cloud service Azure has started to Support Node. js and E... SyntaxHighlighter. all ()
1. Introduction to Node. jsTo persuade you to read this simple instruction, it is necessary to advertise Node. js first. First, let's see who is using Node. js. It's al
. Run perl code: perl poc. pl2. Right Click on any file and select "add to archive ..."3. Select "Create SFX archive"4. Go to the Advanced Menu and select "SFX options ..."5. Go to the "Text and icon" Menu6. Copy this perl output (HTML) and past on "Text to display in SFX window"7. Click OK -- OK8. Your SFX file Created9. Just open sfx file10. Your Link Download/Execute on your target11. Successful reproduce of the code execution vulnerability!PoC: Exploit Code#! /Usr/bin/perl# Title: WinRaR SFX
supervised and unsupervised learning, and stepping into core technologies such as classification, regression, clustering, and dimensionality reduction, and then explaining the more commonly used and classic algorithms, as well as advanced content such as feature selection and model validation. After completing this tutorial, participants will have a clearer understanding of the machine learning itself and the Scikit-learn library. The entire process is done using the API of the Scikit-learn lib
for Firefox desktop hacking tool.
: FaceNiffDroidsheep
Droidsheep is a very efficient hacker application that performs security analysis on Wi-Fi networks. This application can hijack Web sessions on the network and is applicable to almost all services and websites.
After the Droidsheep application is started, it uses a routing mechanism to monitor and intercept all Wi-Fi network traffic, and extracts summary information from active sessions. With the help of this application, we will be able
Library: is proven, scalable, fast, and robustYUI is the largest JavaScript library in this list. It has countless powerful functions, plug-ins, and extensions. Of course it takes a long time to master it.
Latest Version:3(September 2009)
Entire Development Kit size:5.7 MB(Including source code, debugging files, examples, etc)
Development Company: Yahoo! Developer Network
Famous users: LinkedIn, wipers, NewsVine ,...
9. ArchetypeArchetype
I. recognize node. js(i) BirthFounded in 2008 by Ryan Dahl, the goal: to create a server platform that is extensible and suitable for modern Web application Communication (ii) application at home and abroad1.LinkedIn Mobile from RoR to node. js, base on Joyent 2. Paypal from Java to node. JS 3. Twitter queue: Collects the tweets that need to be saved and passes it to process 4 responsible for writing. Know-how push 5. NetEase 6. Ali 7. A variety of en
the number of partitions?It? The answer is: depending on the situation. Basically you still need to pass a series of experiments and tests to determine. Of course, the test should be based on throughput. Although LinkedIn has done a benchmark test of Kafka, its results do not mean much to you, because different hardware, software, and load test results will inevitably vary. I often encounter problems similar to, the official website said can go to 10
Social-share, as its terse "support (QR code), Weibo, Github, google++, LinkedIn, Twitter, Facebook, RSS ..., supports four size settings", simple enough, beautiful enough. Before using the "Baidu share" component, but found that the nasty implanted backstage ads, the page refreshed once, the ads will be loaded once, let life boring. Today, it is fortunate to find this lightweight social-share, so it is very attractive, so take this opportunity to pro
Visit Some websites often see the right side hanging a sharing bar, so that users can share their own station QQ space, and so on, so he also studied the next, put him on his own website , like can first look at the effect: to the turntable net , not much to say, directly on the code:Window._bd_share_config = { "common": { "Bdsnskey": {}, "Bdtext": "", "Bdmini": "2", "bdminilist": ["Qzone", "sqq", "Weixin", "Tsina", "Tqq", "Douban", "Renren", "Bdxc", "kaixin001", "BDYSC", " Mshare "," Tqf "," Ty
the Alkido e-book reader is designed very well. We can use it to read our own e-books and access their download stores.Evernote
Application address
The Evernote portal is filled with brand styles. They set a beautiful separation line to differentiate different types of pointing icons. The New note and Snapshot icons are used to add New content, while other regions are used to read old content.
In the bottom area, they set a simple Auto Hide bar to notify users of the real-time status of the ap
tools
Spider simulator: this tool can analyze your page and provide some optimization suggestions.
Image SEO tool: this tool can check the alt tags of images and provide some optimization suggestions.
Request Checker: Find the resources and services to be loaded on the page.
Link Checker: Checks internal, external, and invalid links on the page.
HTTP header check: displays the HTTP Response Headers of web pages or resources.
Social Checker: checks social components on pages, such as Goo
N Reasons to choose Nodejsauthor Madequi released on September 25, 2014Caleb Madrigal is a software consultant from Milwaukee, USA. Four years ago, when he heard the phrase "use JavaScript as a server-side language," he thought it was a ridiculous idea. There are so many server-side languages to choose from, why Choose JavaScript? That was what he thought at the time. But now he has chosen Javascript/node.js in the current project. He has recently written an explanation of this change.First, man
with the Insights API
2. Yahoo YSlowYSlow is a browser plugin that Yahoo has launched to help you analyze your site's pages and provide you with some optimization suggestions to improve the performance of your site.
Firefox plugin
Chrome Plugin
YSlow for Mobile/bookmarklet
Source
3. Other analysis optimization tools
Spider Simulator: This tool can analyze your page and provide some suggestions for optimization.
Image SEO Tool: This tool can check the
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