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[$] How implementation details become ABI: a case study

Linux Weekly News - 5 óra 55 perc
One of the final changes that went into the mainline kernel repository before the 3.17-rc7 release was this fix from Mikhail Efremov. It affects some low-level code within the virtual filesystem layer that manages name changes in the dentry structure — the structure that handles the mapping between file names and in-kernel inode structures. How that change came to be necessary makes a good lesson in how unintended behaviors can become part of the kernel's ABI over time.
Kategóriák: Linux

China Worried About Terrorist Pigeons

Slashdot - 5 óra 58 perc
An anonymous reader writes: A pleasant event was planned for the 65th anniversary of the founding of the People's Republic of China. A ceremony at Tiananmen Square would release 10,000 pigeons at sunrise to symbolize an era of peace. Unfortunately, even symbols of peace can apparently remind people of violence. Chinese authorities searched all 10,000 pigeons for "dangerous materials," after the government was concerned they might be used for attacks. The pigeons' feathers were checked, and they were given a cavity search as well. The reports did not indicate what kind of "dangerous materials" these pigeons might be carrying. It's unclear whether any pigeons disclosed terror plots under interrogation.

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Kategóriák: Napi hírek

ARM processzoros szerverét demózta az AMD

HWSW - 6 óra 4 perc
Hadoop futtatásával demózta a JavaOne konferenciáján Opteron 1100 processzoros szerverét az AMD. Az Oracle közben gőzerővel dolgozik a Java portolásán.

Kategóriák: Napi hírek

Which Cars Get the Most Traffic Tickets?

Slashdot - 6 óra 40 perc
An anonymous reader writes: Have you ever been pulled over for a traffic stop and wondered if your sporty car was what caught the officer's attention? Ever had an officer pass up your clunker to snag a flashier vehicle? Well, there's now some data showing which vehicles accumulate the most tickets. According to a study by Insurance.com, drivers of the Subaru WRX, Pontiac GTO, and Scion FR-S get a higher percentage of tickets than drivers of any other cars. At the bottom of the list, we see vehicles such as the Ford Ecosport, the Land Rover LR4, and Chevy Sportvan. They have a widget that will let you see data on your own make/model, if you're curious.

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Kategóriák: Napi hírek

Hadat üzent a hálózatsemlegességnek a Telekom

HWSW - 6 óra 45 perc
Még a hazai, hagyományosan drága és felhasználóellenes mobilpiacon is kivételes lépésre szánta el magát a Magyar Telekom a csomagokra osztott internet bevezetésével. Mától ugyanis feláras, tematikus csomagokban fizethetnek elő az ügyfelek az internet egy-egy szeletére, ha a havidíjukban foglaltnál több adatot szeretnének forgalmazni.

Kategóriák: Napi hírek

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HUP adás-vétel - 7 óra 8 másodperc

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Tetris To Be Made Into a Live Action Film

Slashdot - 7 óra 21 perc
SchrodingerZ writes: Threshold Entertainment has announced that it will be producing a live action film based on the Russian stacking game Tetris. Designed in 1984 by Alexey Pajitnov, Tetris has sold over 35 million copies worldwide. Threshold CEO Larry Kasanoff promises "a very big, epic sci-fi movie," explaining, "this isn't a movie with a bunch of lines running around the page. We're not giving feet to the geometric shapes." Kasanoff is known for his work with the video game films Mortal Kombat, and Mortal Kombat: Annihilation, collectively grossing $105 million in revenue. The studio is planning "a story behind Tetris which makes it a much more imaginative thing," though no directors nor cast have been connected to the film. Threshold Entertainment teased the idea, saying "What you [will] see in Tetris is the teeny tip of an iceberg that has intergalactic significance."

Read more of this story at Slashdot.








Kategóriák: Napi hírek

Elon Musk: We Must Put a Million People On Mars To Safeguard Humanity

Slashdot - 8 óra 3 perc
An anonymous reader writes: Elon Musk's ambitions for SpaceX keep getting bigger. First he wanted to make the trip to Mars affordable, then he wanted to establish a city-sized colony, and now he's got his eye on the future of humanity. Musk says we need a million people on Mars to form a "sustainable, genetically diverse civilization" that can survive as humanity's insurance policy. He continued, "Even at a million, you're really assuming an incredible amount of productivity per person, because you would need to recreate the entire industrial base on Mars. You would need to mine and refine all of these different materials, in a much more difficult environment than Earth. There would be no trees growing. There would be no oxygen or nitrogen that are just there. No oil." How fast could we do it? Within a century, once the spacecraft reusability problem is solved. "Excluding organic growth, if you could take 100 people at a time, you would need 10,000 trips to get to a million people. But you would also need a lot of cargo to support those people. In fact, your cargo to person ratio is going to be quite high. It would probably be 10 cargo trips for every human trip, so more like 100,000 trips. And we're talking 100,000 trips of a giant spaceship."

Read more of this story at Slashdot.








Kategóriák: Napi hírek

Elon Musk: We Must Put a Million People On Mars To Safeguard Humanity

Slashdot - 8 óra 3 perc
An anonymous reader writes: Elon Musk's ambitions for SpaceX keep getting bigger. First he wanted to make the trip to Mars affordable, then he wanted to establish a city-sized colony, and now he's got his eye on the future of humanity. Musk says we need a million people on Mars to form a "sustainable, genetically diverse civilization" that can survive as humanity's insurance policy. He continued, "Even at a million, you're really assuming an incredible amount of productivity per person, because you would need to recreate the entire industrial base on Mars. You would need to mine and refine all of these different materials, in a much more difficult environment than Earth. There would be no trees growing. There would be no oxygen or nitrogen that are just there. No oil." How fast could we do it? Within a century, once the spacecraft reusability problem is solved. "Excluding organic growth, if you could take 100 people at a time, you would need 10,000 trips to get to a million people. But you would also need a lot of cargo to support those people. In fact, your cargo to person ratio is going to be quite high. It would probably be 10 cargo trips for every human trip, so more like 100,000 trips. And we're talking 100,000 trips of a giant spaceship."

Read more of this story at Slashdot.








Kategóriák: Napi hírek

Elon Musk: We Must Put a Million People On Mars To Safeguard Humanity

Slashdot - 8 óra 3 perc
An anonymous reader writes: Elon Musk's ambitions for SpaceX keep getting bigger. First he wanted to make the trip to Mars affordable, then he wanted to establish a city-sized colony, and now he's got his eye on the future of humanity. Musk says we need a million people on Mars to form a "sustainable, genetically diverse civilization" that can survive as humanity's insurance policy. He continued, "Even at a million, you're really assuming an incredible amount of productivity per person, because you would need to recreate the entire industrial base on Mars. You would need to mine and refine all of these different materials, in a much more difficult environment than Earth. There would be no trees growing. There would be no oxygen or nitrogen that are just there. No oil." How fast could we do it? Within a century, once the spacecraft reusability problem is solved. "Excluding organic growth, if you could take 100 people at a time, you would need 10,000 trips to get to a million people. But you would also need a lot of cargo to support those people. In fact, your cargo to person ratio is going to be quite high. It would probably be 10 cargo trips for every human trip, so more like 100,000 trips. And we're talking 100,000 trips of a giant spaceship."

Read more of this story at Slashdot.








Kategóriák: Napi hírek

Elon Musk: We Must Put a Million People On Mars To Safeguard Humanity

Slashdot - 8 óra 3 perc
An anonymous reader writes: Elon Musk's ambitions for SpaceX keep getting bigger. First he wanted to make the trip to Mars affordable, then he wanted to establish a city-sized colony, and now he's got his eye on the future of humanity. Musk says we need a million people on Mars to form a "sustainable, genetically diverse civilization" that can survive as humanity's insurance policy. He continued, "Even at a million, you're really assuming an incredible amount of productivity per person, because you would need to recreate the entire industrial base on Mars. You would need to mine and refine all of these different materials, in a much more difficult environment than Earth. There would be no trees growing. There would be no oxygen or nitrogen that are just there. No oil." How fast could we do it? Within a century, once the spacecraft reusability problem is solved. "Excluding organic growth, if you could take 100 people at a time, you would need 10,000 trips to get to a million people. But you would also need a lot of cargo to support those people. In fact, your cargo to person ratio is going to be quite high. It would probably be 10 cargo trips for every human trip, so more like 100,000 trips. And we're talking 100,000 trips of a giant spaceship."

Read more of this story at Slashdot.








Kategóriák: Napi hírek

Elon Musk: We Must Put a Million People On Mars To Safeguard Humanity

Slashdot - 8 óra 3 perc
An anonymous reader writes: Elon Musk's ambitions for SpaceX keep getting bigger. First he wanted to make the trip to Mars affordable, then he wanted to establish a city-sized colony, and now he's got his eye on the future of humanity. Musk says we need a million people on Mars to form a "sustainable, genetically diverse civilization" that can survive as humanity's insurance policy. He continued, "Even at a million, you're really assuming an incredible amount of productivity per person, because you would need to recreate the entire industrial base on Mars. You would need to mine and refine all of these different materials, in a much more difficult environment than Earth. There would be no trees growing. There would be no oxygen or nitrogen that are just there. No oil." How fast could we do it? Within a century, once the spacecraft reusability problem is solved. "Excluding organic growth, if you could take 100 people at a time, you would need 10,000 trips to get to a million people. But you would also need a lot of cargo to support those people. In fact, your cargo to person ratio is going to be quite high. It would probably be 10 cargo trips for every human trip, so more like 100,000 trips. And we're talking 100,000 trips of a giant spaceship."

Read more of this story at Slashdot.








Kategóriák: Napi hírek

Elon Musk: We Must Put a Million People On Mars To Safeguard Humanity

Slashdot - 8 óra 3 perc
An anonymous reader writes: Elon Musk's ambitions for SpaceX keep getting bigger. First he wanted to make the trip to Mars affordable, then he wanted to establish a city-sized colony, and now he's got his eye on the future of humanity. Musk says we need a million people on Mars to form a "sustainable, genetically diverse civilization" that can survive as humanity's insurance policy. He continued, "Even at a million, you're really assuming an incredible amount of productivity per person, because you would need to recreate the entire industrial base on Mars. You would need to mine and refine all of these different materials, in a much more difficult environment than Earth. There would be no trees growing. There would be no oxygen or nitrogen that are just there. No oil." How fast could we do it? Within a century, once the spacecraft reusability problem is solved. "Excluding organic growth, if you could take 100 people at a time, you would need 10,000 trips to get to a million people. But you would also need a lot of cargo to support those people. In fact, your cargo to person ratio is going to be quite high. It would probably be 10 cargo trips for every human trip, so more like 100,000 trips. And we're talking 100,000 trips of a giant spaceship."

Read more of this story at Slashdot.








Kategóriák: Napi hírek

Elon Musk: We Must Put a Million People On Mars To Safeguard Humanity

Slashdot - 8 óra 3 perc
An anonymous reader writes: Elon Musk's ambitions for SpaceX keep getting bigger. First he wanted to make the trip to Mars affordable, then he wanted to establish a city-sized colony, and now he's got his eye on the future of humanity. Musk says we need a million people on Mars to form a "sustainable, genetically diverse civilization" that can survive as humanity's insurance policy. He continued, "Even at a million, you're really assuming an incredible amount of productivity per person, because you would need to recreate the entire industrial base on Mars. You would need to mine and refine all of these different materials, in a much more difficult environment than Earth. There would be no trees growing. There would be no oxygen or nitrogen that are just there. No oil." How fast could we do it? Within a century, once the spacecraft reusability problem is solved. "Excluding organic growth, if you could take 100 people at a time, you would need 10,000 trips to get to a million people. But you would also need a lot of cargo to support those people. In fact, your cargo to person ratio is going to be quite high. It would probably be 10 cargo trips for every human trip, so more like 100,000 trips. And we're talking 100,000 trips of a giant spaceship."

Read more of this story at Slashdot.








Kategóriák: Napi hírek

Elon Musk: We Must Put a Million People On Mars To Safeguard Humanity

Slashdot - 8 óra 3 perc
An anonymous reader writes: Elon Musk's ambitions for SpaceX keep getting bigger. First he wanted to make the trip to Mars affordable, then he wanted to establish a city-sized colony, and now he's got his eye on the future of humanity. Musk says we need a million people on Mars to form a "sustainable, genetically diverse civilization" that can survive as humanity's insurance policy. He continued, "Even at a million, you're really assuming an incredible amount of productivity per person, because you would need to recreate the entire industrial base on Mars. You would need to mine and refine all of these different materials, in a much more difficult environment than Earth. There would be no trees growing. There would be no oxygen or nitrogen that are just there. No oil." How fast could we do it? Within a century, once the spacecraft reusability problem is solved. "Excluding organic growth, if you could take 100 people at a time, you would need 10,000 trips to get to a million people. But you would also need a lot of cargo to support those people. In fact, your cargo to person ratio is going to be quite high. It would probably be 10 cargo trips for every human trip, so more like 100,000 trips. And we're talking 100,000 trips of a giant spaceship."

Read more of this story at Slashdot.








Kategóriák: Napi hírek

Elon Musk: We Must Put a Million People On Mars To Safeguard Humanity

Slashdot - 8 óra 3 perc
An anonymous reader writes: Elon Musk's ambitions for SpaceX keep getting bigger. First he wanted to make the trip to Mars affordable, then he wanted to establish a city-sized colony, and now he's got his eye on the future of humanity. Musk says we need a million people on Mars to form a "sustainable, genetically diverse civilization" that can survive as humanity's insurance policy. He continued, "Even at a million, you're really assuming an incredible amount of productivity per person, because you would need to recreate the entire industrial base on Mars. You would need to mine and refine all of these different materials, in a much more difficult environment than Earth. There would be no trees growing. There would be no oxygen or nitrogen that are just there. No oil." How fast could we do it? Within a century, once the spacecraft reusability problem is solved. "Excluding organic growth, if you could take 100 people at a time, you would need 10,000 trips to get to a million people. But you would also need a lot of cargo to support those people. In fact, your cargo to person ratio is going to be quite high. It would probably be 10 cargo trips for every human trip, so more like 100,000 trips. And we're talking 100,000 trips of a giant spaceship."

Read more of this story at Slashdot.








Kategóriák: Napi hírek

Elon Musk: We Must Put a Million People On Mars To Safeguard Humanity

Slashdot - 8 óra 3 perc
An anonymous reader writes: Elon Musk's ambitions for SpaceX keep getting bigger. First he wanted to make the trip to Mars affordable, then he wanted to establish a city-sized colony, and now he's got his eye on the future of humanity. Musk says we need a million people on Mars to form a "sustainable, genetically diverse civilization" that can survive as humanity's insurance policy. He continued, "Even at a million, you're really assuming an incredible amount of productivity per person, because you would need to recreate the entire industrial base on Mars. You would need to mine and refine all of these different materials, in a much more difficult environment than Earth. There would be no trees growing. There would be no oxygen or nitrogen that are just there. No oil." How fast could we do it? Within a century, once the spacecraft reusability problem is solved. "Excluding organic growth, if you could take 100 people at a time, you would need 10,000 trips to get to a million people. But you would also need a lot of cargo to support those people. In fact, your cargo to person ratio is going to be quite high. It would probably be 10 cargo trips for every human trip, so more like 100,000 trips. And we're talking 100,000 trips of a giant spaceship."

Read more of this story at Slashdot.








Kategóriák: Napi hírek