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Problem updating to MyEclipse 7.5 on Slackware Linux - Look at ulimit -n - Too many open files - struts-config.xml changes to run under java 6 |
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We have updated from MyEclipse 5.1 to 7.5. Here a list of the problems we encountered. Click below to read more...
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Mis à jour / Last updated ( lundi, 30 novembre 2009 07:58 )
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Lire la suite / Read more...
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Asterisk: optimizing a2billing mysql database with more than 1,000,000 rates in cc_ratecard |
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UPDATE: Areski Belaid, from a2billing, has just let us know that the index we are talking about will be added to the next a2billing release. We have been told that the index is already part of the source repository now as of rev 2419. Like many other people, we have experienced performance problems with a2billing ( asterisk2billing ) when our cc_ratecard table reached 1,000,000 rows. We have surfed around the internet to find solutions to fix this problem. We found several solutions, some suggesting to split the cc_ratecard table into multiple tables in order to fix things. Nevertehless, we figured that there must be another way and there was indeed another way. Click below to read more...
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Mis à jour / Last updated ( mardi, 06 octobre 2009 16:03 )
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Lire la suite / Read more...
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E. Coli Can Be Used To Clean Up Nuclear Waste |
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Cette adresse email est protégée contre les robots des spammeurs, vous devez activer Javascript pour la voir.
writes "Researchers have found that E. coli can be used to recover uranium from tainted waters and can even be used to clean up nuclear waste. Using the bacteria along with inositol phosphate, the bacteria breaks down the phosphate — also called phytic acid — to free the phosphate molecules. The phosphate then binds to the uranium forming a uranium-phosphate precipitate on the cells of the bacteria. Those cells can then be harvested to recover the uranium." What has made this 14-year-old process economically feasible is the use of inositol phosphate, which is a cheap waste material from the production feedstock from plant material. Read more on Slashdot ;-)
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Mis à jour / Last updated ( mardi, 22 septembre 2009 05:39 )
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Mike Low callcheap.net,callcheap.com,Zigit ,ZonFon,Kallback King,Cell-0 |
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VOIP providers and end-user customers, be aware of Michael Low aka: Mike Low aka: callcheap.net aka: callcheap.com aka: Zigit aka: ZonFon aka: Kallback King aka: Cell-0.com aka: etc. etc. Please view the following URL that explains the way he operates: http://www.mikelow.oc9.com
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Mis à jour / Last updated ( lundi, 21 septembre 2009 09:17 )
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NVFax compiling problems with Asterisk 1.4.23.1 |
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Changes to mutex usage in Asterisk 1.4.23 cause NVFax to cease to compile properly, see link below for updated files that compile with 1.4.23.1 Receiving and sending faxes with asterisk 1.4, NVFaxDetect, iaxmodem and hylafax.
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Mis à jour / Last updated ( lundi, 02 mars 2009 21:18 )
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Google to Offer Real-Time Stock Quotes |
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Écrit par Apro+im
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Mis à jour / Last updated ( mardi, 12 août 2008 18:11 )
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TCP/IP communication over bongos ;-) |
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Écrit par Alain Côté
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Students at Algoma University have implemented TCP/IP over automated bongo drums. They achieved a blistering 2 bps data transfer rate, taking only 140 seconds to send a ping packet ! http://eagle.auc.ca/~dreid/
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Mis à jour / Last updated ( lundi, 02 juin 2008 12:17 )
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Supercomputer built with 8 NVIDIA GPUs |
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Écrit par FnH
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Researchers at the University of Antwerp in Belgium have created a new supercomputer with standard gaming hardware. The system uses four NVIDIA GeForce 9800 GX2 graphics cards, it costs less than 4000EUR to build and thanks to NVIDIA's CUDA technology it delivers roughly the same performance as a supercomputer cluster consisting of hundreds of PCs!
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Mis à jour / Last updated ( samedi, 31 mai 2008 07:24 )
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Lire la suite / Read more...
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Demande de recours collectif contre Bell |
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Écrit par Bruno Guglielminetti
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Après avoir déposé une requête devant le CRTC pour exiger que Bell cesse de ralentir délibérément le trafic Internet de ses abonnés, l’Union des consommateurs et une consommatrice de Montréal demandent maintenant à la Cour supérieure du Québec d’autoriser un recours collectif contre Bell au nom de tous les consommateurs du Québec abonnés, avant ou après le 28 octobre 2007, au service d’accès Internet ADSL de l'entreprise. Voir l'article de Bruno Guglielminetti ici.
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Mis à jour / Last updated ( samedi, 31 mai 2008 07:12 )
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US probes whether laptop content was copied on China trip |
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Écrit par AP
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WASHINGTON (AP) — U.S. authorities are investigating whether Chinese officials secretly copied the contents of a government laptop computer during a visit to China by Commerce Secretary Carlos M. Gutierrez and used the information to try to hack into Commerce computers, officials and industry experts told The Associated Press. View full AP article here.
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Les encyclopédies traditionnelles donnent la réplique à Wikipédia |
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Écrit par Jean-Simon Gagné
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Après avoir été sévèrement contrariées par le développement de l'encyclopédie en ligne Wikipédia, d'augustes maisons comme Larousse et Britannica contre-attaquent. Sur la route du savoir universel, la guerre s'annonce sans merci. Voir l'article de Jean-Simon Gagné ici.
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