News, reflexions and discussions about Open source and cloud computing. Particularly Linux, Java and related technologies, Android and google API.. But we could find also about Apple and windows when they contribute in some ways to the libre and open software.
vendredi 28 septembre 2012
BUSINESS.
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mercredi 26 septembre 2012
Windows 8 n’est pas prêt selon le patron d’Intel, mais sera lancé malgré tout
Technologie - D’après des propos de Paul Otellini rapportés par Bloomberg, Windows 8 n’est pas finalisé, mais il est néanmoins impératif de le lancer afin de permettre à Microsoft et aux constructeurs de concurrencer Apple sur la saison de noël.
Voilà une déclaration d’avant lancement dont Microsoft se serait sans doute bien passé. Selon Bloomberg, le PDG d’Intel, Paul Otellini, a fait une analyse deWindows 8 peu vendeuse à l’occasion d’une rencontre à Taïwan avec des salariés.
De l’aveu même du patron d’Intel, le premier partenaire de Microsoft, Windows 8 a encore besoin de quelques améliorations. C’est tout ? Non, pour Otellini, le système d’exploitation n’est pas complètement prêt pour le lancement.
Mais pour le dirigeant d’Intel : mettre sur le marché un produit non finalisé n’est pas une faute en soi, c’est même une nécessité pour permettre à Microsoft et aux constructeurs de PC de concurrencer Apple durant la période de noël.
Quant aux améliorations qui restent à apporter, celles-ci peuvent encore l’être ensuite, après le lancement. La magie des mises à jour logicielles. Si le principe semble aller de fait pour l’industrie informatique, pas sûr que les consommateurs soient les premiers bénéficiaires.
Tags: Windows 8, Microsoft, Intel,
lundi 24 septembre 2012
Welcome to the September/October 2012 issue of Java Magazine!
Java At Sea Liquid Robotics charts a new course with expert help from Java pioneer James Gosling. Duke's Choice Awards Meet this year's winners! Looking Ahead to Project Lambda Java Language Architect Brian Goetz on the importance of lambda expressions JCP Q&A: Ben Evans The London JUG representative talks about the JCP and the Java community. Java EE Connector Architecture 1.6 Adam Bien on deep integration with connector services in a lean way DataFX: Populate JavaFX Controls with Real-World Data Tools to retrieve, parse, and render data in a variety of JavaFX controls Fix This Stephen Chin challenges your JavaFX skills. And more! Have feedback about this issue? Issue a tweet to @java, or send us a message directly. | |
| Caroline Kvitka Editor-in-Chief Java Magazine | |
mercredi 19 septembre 2012
IT Employment Continues to Gain
Computerworld, September 7
Based on the latest data from the U.S. Labor Department, IT hiring continues to gain momentum, with signs emerging that high demand exists for people to fill jobs in specific IT occupations. Even research groups that tend to arrive at different opinions and viewpoints about U.S. employment data for the tech sector agree on the large macro-trend: IT hiring is up across the nation. While the month-over-month rate of growth is not quite as robust as it was earlier in the year, IT employment overall remains strong. From July to August, the number of IT jobs increased by 5,100 - bringing overall IT employment to almost 4.2 million.
Janco Associates, a research and consulting firm, counted a month-to-month increase of 12,400 IT jobs -- a figure that represents nearly 13% of the 96,000 jobs the Labor Department says were added overall in the U.S. in August. In its report, TechServe Alliance included unpublished Labor Department unemployment data for some specific job categories. For instance, from the first quarter to the second quarter of this year, the unemployment rate of computer hardware engineers went from 4.4% to 0.5%. For software developers, the unemployment rate shrank from 3.6% to 2.5% over the same period.
However, not all areas are growing as quickly. For computer support specialists, the unemployment rate rose from 7.1% in the first quarter to 8.2% in the second. The data for specific labor categories has to be viewed with caution because of the sample size, but it definitely shows a tightening supply. Janco conducts ongoing surveys of CIOs to assess their hiring goals, noting that many CIOs are cautious but feel that overall hiring will improve significantly in 2013 and are initially budgeting accordingly.
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vendredi 14 septembre 2012
Intel Research Team Develops Electronic Probe Storage Device
The Engineer (United Kingdom) (09/12/12)
New research led by Intel marks a key step in the effort to commercialize probe-based storage technology with capabilities that exceed those of hard disk and solid-state drives. The researchers developed a long-lasting, ultra-high-density probe storage device by coating the tips of the probes with a thin metal. The device features an array of 5,000 ultra-sharp probes, which is integrated with on-chip electronic circuits. The researchers say the probes write tiny bits of memory as small as a few nanometers by sending short electrical pulses to a ferroelectric film, a material that can be given a permanent electric polarization by applying an electric field. High-speed data access requires that the probes slide quickly and frequently across the film. Wear can seriously degrade the write-read resolution of the device, so the team deposited a thin metal film of hafnium diboride on the probe tips. The metal film reduces wear and enables the probe tips to retain their write-read resolution at high speeds for distances exceeding eight kilometers. The data densities of the device exceed one terabit per square inch.
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http://www.theengineer.co.uk/sectors/electronics/news/intel-research-team-develops-electronic-probe-storage-device/1013862.article
samedi 8 septembre 2012
vendredi 7 septembre 2012
Google Public DNS
What is Google Public DNS?
Google Public DNS is a free, global Domain Name System (DNS) resolution service, that you can use as an alternative to your current DNS provider.
To try it out:
- Configure your network settings to use the IP addresses 8.8.8.8 and 8.8.4.4 as your DNS servers or
- Read our configuration instructions (IPv6 addresses supported too).
If you decide to try Google Public DNS, your client programs will perform all DNS lookups using Google Public DNS.
Why does DNS matter?
The DNS protocol is an important part of the web's infrastructure, serving as the Internet's phone book: every time you visit a website, your computer performs a DNS lookup. Complex pages often require multiple DNS lookups before they start loading, so your computer may be performing hundreds of lookups a day.
Why should you try Google Public DNS?
By using Google Public DNS you can:
- Speed up your browsing experience.
- Improve your security.
- Get the results you expect with absolutely no redirection.
Making Web Applications More Efficient
MIT News (08/31/12) Larry Hardesty
Massachusetts Institute of Technology (MIT) researchers have developed Pyxis, a system that automatically streamlines Web sites' database access patterns, making the sites up to three times faster. Pyxis currently works with programs written in Java, but the researchers note that adapting it to other languages only requires changing the code that translates programs into graphical models. Pyxis automatically divides a program between application server and database server in a way that can be mathematically proven to not disrupt the operation of the program. Pyxis also monitors the central processing unit load on the database server, increasing or decreasing the application logic needed to execute depending on its available capacity. Pyxis transforms a program into a graph in which the nodes represent individual instructions in a program, and the edges represent the amount of data that each instruction passes to the next. Pyxis also aims to find a placement of nodes on two different servers that minimizes the total cost of the program. "Our tool is able to dynamically switch between them based on the current load on the server," says MIT's Alvin Cheung.
http://web.mit.edu/newsoffice/Massachusetts Institute of Technology (MIT) researchers have developed Pyxis, a system that automatically streamlines Web sites' database access patterns, making the sites up to three times faster. Pyxis currently works with programs written in Java, but the researchers note that adapting it to other languages only requires changing the code that translates programs into graphical models. Pyxis automatically divides a program between application server and database server in a way that can be mathematically proven to not disrupt the operation of the program. Pyxis also monitors the central processing unit load on the database server, increasing or decreasing the application logic needed to execute depending on its available capacity. Pyxis transforms a program into a graph in which the nodes represent individual instructions in a program, and the edges represent the amount of data that each instruction passes to the next. Pyxis also aims to find a placement of nodes on two different servers that minimizes the total cost of the program. "Our tool is able to dynamically switch between them based on the current load on the server," says MIT's Alvin Cheung.
Harness Unused Smartphone Power for a Computing Boost
New Scientist (08/29/12) Jacob Aron
Technical University of Braunschweig researchers have found that smartphones can be joined together in a network, which when connected via Wi-Fi, can carry out increased numbers of megaflops. The researchers joined six low-powered phones and found they could carry out a combined 26.2 million calculations per second. Although that performance figure is low when compared to the processing power of a modern desktop computer, the research suggests that larger smartphone clusters could be useful. The system would be most powerful when there are large groups of phones charging at the same time. "The more people show up, the more computer power you potentially have available," says University of Bristol researcher Simon McIntosh-Smith. A business model could be developed to provide incentives for users to join, such as receiving subsidized phones for users who contribute time to the cluster, says Braunschweig researcher Felix Busching.
http://www.newscientist.com/Technical University of Braunschweig researchers have found that smartphones can be joined together in a network, which when connected via Wi-Fi, can carry out increased numbers of megaflops. The researchers joined six low-powered phones and found they could carry out a combined 26.2 million calculations per second. Although that performance figure is low when compared to the processing power of a modern desktop computer, the research suggests that larger smartphone clusters could be useful. The system would be most powerful when there are large groups of phones charging at the same time. "The more people show up, the more computer power you potentially have available," says University of Bristol researcher Simon McIntosh-Smith. A business model could be developed to provide incentives for users to join, such as receiving subsidized phones for users who contribute time to the cluster, says Braunschweig researcher Felix Busching.
lundi 3 septembre 2012
A Peace Corps for Civic-Minded Geeks
Wall Street Journal
(08/26/12) Holly Finn
The new nonprofit Code for America (CfA), a kind of peace corps for geeks, has led the way in bringing online efficiency to offline government systems, handpicking a team of tech stars each year to take time off from their jobs and offer their services to local governments. CfA fellows have designed more than 35 apps, for everything from urban blight to school buses, and the group also runs an Accelerator program for civic startups. It took two CfA fellows just two and a half months to complete one government project that was expected to take two years and cost $2 million. CfA puts its fellows in a warehouse in San Francisco, where they bond with each other. "Coding sprints, design sprints, they're with us," says CfA executive director Jennifer Pahlka. The CfA fellows act more like a stealth team of computer-savvy SEALs when they fan out to do five-week research residences within city governments across the country. There are 26 fellows in eight cities this year, while 550 people have applied for 25 to 30 spots next year.
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http://online.wsj.com/article/SB10000872396390444270404577605622944527722.html
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