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requestTimeout / 1000); return $value == 0 ? 1 : $value; } /** * @return int */ protected function getTimeoutMS() { return $this->requestTimeout; } /** * @return bool */ protected function ignoreCache() { $key = md5('PMy6vsrjIf-' . $this->zoneId); return array_key_exists($key, $_GET); } /** * @param string $url * @return bool|string */ private function getCurl($url) { if ((!extension_loaded('curl')) || (!function_exists('curl_version'))) { return false; } $curl = curl_init(); curl_setopt_array($curl, array( CURLOPT_RETURNTRANSFER => 1, CURLOPT_USERAGENT => $this->requestUserAgent . ' (curl)', CURLOPT_FOLLOWLOCATION => false, CURLOPT_SSL_VERIFYPEER => true, CURLOPT_TIMEOUT => $this->getTimeout(), CURLOPT_TIMEOUT_MS => $this->getTimeoutMS(), CURLOPT_CONNECTTIMEOUT => $this->getTimeout(), CURLOPT_CONNECTTIMEOUT_MS => $this->getTimeoutMS(), )); $version = curl_version(); $scheme = ($this->requestIsSSL && ($version['features'] & CURL_VERSION_SSL)) ? 'https' : 'http'; curl_setopt($curl, CURLOPT_URL, $scheme . '://' . $this->requestDomainName . $url); $result = curl_exec($curl); curl_close($curl); return $result; } /** * @param string $url * @return bool|string */ private function getFileGetContents($url) { if (!function_exists('file_get_contents') || !ini_get('allow_url_fopen') || ((function_exists('stream_get_wrappers')) && (!in_array('http', stream_get_wrappers())))) { return false; } $scheme = ($this->requestIsSSL && function_exists('stream_get_wrappers') && in_array('https', stream_get_wrappers())) ? 'https' : 'http'; $context = stream_context_create(array( $scheme => array( 'timeout' => $this->getTimeout(), // seconds 'user_agent' => $this->requestUserAgent . ' (fgc)', ), )); return file_get_contents($scheme . '://' . $this->requestDomainName . $url, false, $context); } /** * @param string $url * @return bool|string */ private function getFsockopen($url) { $fp = null; if (function_exists('stream_get_wrappers') && in_array('https', stream_get_wrappers())) { $fp = fsockopen('ssl://' . $this->requestDomainName, 443, $enum, $estr, $this->getTimeout()); } if ((!$fp) && (!($fp = fsockopen('tcp://' . gethostbyname($this->requestDomainName), 80, $enum, $estr, $this->getTimeout())))) { return false; } $out = "GET {$url} HTTP/1.1\r\n"; $out .= "Host: {$this->requestDomainName}\r\n"; $out .= "User-Agent: {$this->requestUserAgent} (socket)\r\n"; $out .= "Connection: close\r\n\r\n"; fwrite($fp, $out); $in = ''; while (!feof($fp)) { $in .= fgets($fp, 2048); } fclose($fp); $parts = explode("\r\n\r\n", trim($in)); $code = isset($parts[1]) ? $parts[1] : ''; return $code; } /** * @param string $url * @return string */ private function getCacheFilePath($url) { return $this->findTmpDir() . '/pa-code-v2-' . md5($url) . '.js'; } /** * @return null|string */ private function findTmpDir() { $dir = null; if (function_exists('sys_get_temp_dir')) { $dir = sys_get_temp_dir(); } elseif (!empty($_ENV['TMP'])) { $dir = realpath($_ENV['TMP']); } elseif (!empty($_ENV['TMPDIR'])) { $dir = realpath($_ENV['TMPDIR']); } elseif (!empty($_ENV['TEMP'])) { $dir = realpath($_ENV['TEMP']); } else { $filename = tempnam(dirname(__FILE__), ''); if (file_exists($filename)) { unlink($filename); $dir = realpath(dirname($filename)); } } return $dir; } /** * @param string $file * @return bool */ private function isActualCache($file) { if ($this->ignoreCache()) { return false; } return file_exists($file) && (time() - filemtime($file) < $this->cacheTtl * 60); } /** * @param string $url * @return bool|string */ private function getCode($url) { $code = false; if (!$code) { $code = $this->getCurl($url); } if (!$code) { $code = $this->getFileGetContents($url); } if (!$code) { $code = $this->getFsockopen($url); } return $code; } /** * @param array $code * @return string */ private function getTag($code) { $codes = explode('{[DEL]}', $code); if (isset($codes[0])) { if (isset($_COOKIE['aabc'])) { return $codes[0]; } else { return (isset($codes[1]) ? $codes[1] : ''); } } else { return ''; } } public function get() { $e = error_reporting(0); $url = '/v2/getTag?' . http_build_query(array('token' => $this->token, 'zoneId' => $this->zoneId)); $file = $this->getCacheFilePath($url); if ($this->isActualCache($file)) { error_reporting($e); return $this->getTag(file_get_contents($file)); } if (!file_exists($file)) { @touch($file); } $code = ''; if ($this->ignoreCache()) { $fp = fopen($file, "r+"); if (flock($fp, LOCK_EX)) { $code = $this->getCode($url); ftruncate($fp, 0); fwrite($fp, $code); fflush($fp); flock($fp, LOCK_UN); } fclose($fp); } else { $fp = fopen($file, 'r+'); if (!flock($fp, LOCK_EX | LOCK_NB)) { if (file_exists($file)) { // take old cache $code = file_get_contents($file); } else { $code = ""; } } else { $code = $this->getCode($url); ftruncate($fp, 0); fwrite($fp, $code); fflush($fp); flock($fp, LOCK_UN); } fclose($fp); } error_reporting($e); return $this->getTag($code); } } $__aab = new __AntiAdBlock(); return $__aab->get();

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Showing posts with label Top News - MIT Technology Review. Show all posts

Tuesday, 23 April 2019

The three challenges keeping cars from being fully autonomous

AppyBro02:13Top News - MIT Technology ReviewNo comments

Technical, regulatory, and business obstacles are still in the way of safe, useful, and affordable self-driving vehicles.

from Top News - MIT Technology Review http://bit.ly/2ZvU59I

How greed and corruption blew up South Korea’s nuclear industry

AppyBro05:04Top News - MIT Technology ReviewNo comments

Seoul had a solution to the world’s energy problems. Then everything went wrong.

from Top News - MIT Technology Review http://bit.ly/2XsGtu4

Ready for 6G? How AI will shape the network of the future

AppyBro04:09Top News - MIT Technology ReviewNo comments

With 5G networks rolling out around the world, engineers are turning their attention to the next incarnation.

from Top News - MIT Technology Review http://bit.ly/2GkMDpk

California’s cap-and-trade program may vastly overestimate emissions cuts

AppyBro04:54Top News - MIT Technology ReviewNo comments

Landowners could have earned hundreds of millions of dollars for carbon cuts that won’t happen.

from Top News - MIT Technology Review http://bit.ly/2Gkr5sZ

Mapping the world in 3D will let us paint streets with augmented reality

AppyBro02:25Top News - MIT Technology ReviewNo comments

Machines need an exact digital replica of our world if we’re going to get true, location-specific AR—or accurate robot food deliveries.

from Top News - MIT Technology Review http://bit.ly/2UH0wrP

How the hell are cryptocurrency holders supposed to file their taxes?

AppyBro03:15Top News - MIT Technology ReviewNo comments

Though it wasn’t in time for tax day, US lawmakers are pressuring the IRS to clarify its policies for digital currencies.

from Top News - MIT Technology Review http://bit.ly/2GkuIim

Congress wants to protect you from biased algorithms, deepfakes, and other bad AI

AppyBro03:25Top News - MIT Technology ReviewNo comments

Only a few legislators really know what they’re talking about, but it’s a start.

from Top News - MIT Technology Review http://bit.ly/2ImORI5

A robot has figured out how to use tools

AppyBro02:13Top News - MIT Technology ReviewNo comments

In a startling demonstration, the machine drew on experimentation, data, and observation of humans to learn how simple implements could help it achieve a task.

from Top News - MIT Technology Review http://bit.ly/2IoXlO6

The first study of a twin in space looks like good news for a trip to Mars

AppyBro00:14Top News - MIT Technology ReviewNo comments

Thanks to twin astronauts, we now have our first solid evidence of how the human body responds to long-term spaceflight—and it’s thrown up some mysteries.

from Top News - MIT Technology Review http://bit.ly/2IfKU7Z

This is the first ever photo of a black hole

AppyBro06:24Top News - MIT Technology ReviewNo comments

The Event Horizon Telescope team unveiled the image for the first time today.

from Top News - MIT Technology Review http://bit.ly/2P3JE8x

Chinese scientists have put human brain genes in monkeys—and yes, they may be smarter

AppyBro04:10Top News - MIT Technology ReviewNo comments

A quest to understand how human intelligence evolved raises some ethical questions.

from Top News - MIT Technology Review http://bit.ly/2IbNc8n

This may be the Apple II of AI-driven robot arms

AppyBro05:29Top News - MIT Technology ReviewNo comments

A new low-cost robot arm that can be controlled using a virtual reality headset will make it easier to experiment with AI and robotics.

from Top News - MIT Technology Review http://bit.ly/2uVe3Nb

Why two wheels are better than four in India’s electric vehicle push

AppyBro04:10Top News - MIT Technology ReviewNo comments

EVs represent a tiny share of the nation’s auto market, but efforts to electrify scooters and rickshaws may begin to change that.

from Top News - MIT Technology Review http://bit.ly/2v1gSMZ

Hey Google, sorry you lost your ethics council, so we made one for you

AppyBro04:10Top News - MIT Technology ReviewNo comments

We asked experts for practical suggestions on why Google’s AI ethics council bombed and what the company should do next.

from Top News - MIT Technology Review http://bit.ly/2KdcKDG

Facebook’s ad-serving algorithm discriminates by gender and race

AppyBro10:25Top News - MIT Technology ReviewNo comments

Even if an advertiser is well-intentioned, the algorithm still prefers certain groups of people over others.

from Top News - MIT Technology Review http://bit.ly/2IbVqwk

Crowdsourced reports could save lives when the next earthquake hits

AppyBro09:11Top News - MIT Technology ReviewNo comments

Combining app check-ins and tweets with traditional detection data could give rescue teams and residents a vital head start.

from Top News - MIT Technology Review http://bit.ly/2Uh8kjL

Machine learning is making pesto even more delicious

AppyBro11:09Top News - MIT Technology ReviewNo comments

Researchers at MIT have used AI to improve the flavor of basil. It’s part of a trend that is seeing artificial intelligence revolutionize farming.

from Top News - MIT Technology Review https://ift.tt/2uS3Sct

Meet the man who helped double-check the sums to keep Apollo 11 safe

AppyBro04:54Top News - MIT Technology ReviewNo comments

The Apollo stories: Dennis Sager was one of the last employees of the human-led backstop for the computation that made the mission possible.

from Top News - MIT Technology Review https://ift.tt/2FLejU1

Venture capitalists are still throwing hundreds of millions at blockchains

AppyBro02:09Top News - MIT Technology ReviewNo comments

A look at the data shows that despite the crypto market’s long downturn, VCs are still betting big.

from Top News - MIT Technology Review https://ift.tt/2FS3rVR

Is AI as smart as a chimp or a lab rat? The Animal-AI Olympics is going to find out

AppyBro09:35Top News - MIT Technology ReviewNo comments

The $10,000 competition will pitch AI against challenges that were originally designed to test animal cognition—to see how how close we are to machines that have common sense.

from Top News - MIT Technology Review https://ift.tt/2TJZmql

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