Retired Site PBS Programs.Oops Youve reached a retired site page.PBS no longer has the rights to distribute the content that had been provided on this page.Marc Romanelli.US Considers Chinese Investment in Artificial Intelligence a National Security Threat.The US Department of Defense is struggling to get its arms around all of the new security issues that have come with our current technological explosion.How To Install Cisco Asdm Launcher Software .One unexpected consideration on the table is placing stricter limitations on investment capital from China flowing into American companies that are working on artificial intelligence.If you had any doubt that Russian hackers attempted to meddle with the United States electoralRead more Read.Technology is the fastest growing industry in the American economy according to recent data.And with all the political talk about JOBS, JOBS, JOBS, its a bit surprising to see the government floating plans to limit investment in American companies.Border Defense National Security Patrol Download Mp3' title='Border Defense National Security Patrol Download Mp3' />This undated photo provided by the US Customs and Border Protection shows a 2foothigh drone that a border patrol agent spotted swooping over the border fence on.AOL Radio is powered by humans Great radio is all about unexpected connectionsthe kind that an algorithm cant predict.Pick any station in any of the 30 genres.Trump releases final 2018 budget proposal, touts 3.T in spending cuts over 10 years.But thats exactly what the Pentagon is proposing according to Reuters.From the report Of particular concern is Chinas interest in fields such as artificial intelligence and machine learning, which have increasingly attracted Chinese capital in recent years.The worry is that cutting edge technologies developed in the United States could be used by China to bolster its military capabilities and perhaps even push it ahead in strategic industries.The U.S. government is now looking to strengthen the role of the Committee on Foreign Investment in the United States CFIUS, the inter agency committee that reviews foreign acquisitions of U.S.Reuters was able to view an unreleased Pentagon report that outlines the ways in which Chinese investors have found loopholes in CFIUS that allow them to avoid setting off any regulatory triggers.The report recommends that new legislation be drafted to update the rules governing foreign investment.It also advises that a list of critical technologies be compiled and restrictions should be placed on Chinese investment in those areas of development.Defense Secretary Jim Mattis spoke to the US Senate at a hearing on Tuesday and he insisted that the CFIUS needs to be updated to deal with todays situation.The second most powerful man in the Senate, John Cornyn, has begun drafting legislation according to one of his aides.You heard that right.A top Republican is pushing for more regulation and less investment.Time will tell if Republicans can get behind another one of the Pentagons recommendations that goes against everything they stand for.The report is asking for greater flexibility on the immigration policy for Chinese graduate students studying in the US.It suggests that these students should be allowed to stay in the US after finishing their studies.The research firm Rhodium Group found that China funneled 4.US last year. Call Of Duty Mw3 Fps Booster Pc Free .
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Tubes latest push to ban terrorist propaganda across its ubiquitous video platform is getting off to a rough start.Earlier this week, noted investigative reporter and researcher Alexa OBrien woke to find that not only had she been permanently banned from You.Tube, but that her Gmail and Google Drive accounts had been suspended as well.MOBdP6kmB9E/0.jpg' alt='Basics Of Software Defined Radio Youtube' title='Basics Of Software Defined Radio Youtube' />She would later learn that a reviewer who works for Google had mistakenly identified her channel, in the words of a You.Tube representative, as being dedicated to terrorist propaganda.This drastic enforcement action followed months of notifications from You. Cs Go Dedicated Server Fast Downloading . Tube, in which OBrien was told that three of her videos had been flagged for containing gratuitous violence.None of the videos, however, depict any actual scenes of violence, except for one that includes footage of American helicopter pilots gunning down civilians in Iraq, which has been widely viewed on You.Tube for half a decade.While appealing You.Tubes decision, OBrien learned that the mechanism for correcting these mistakes can be vexing, and that a fair outcome is far from guaranteed.By Wednesday morning, her channel was slated for deletion.The Google Drive account she was locked out of contained hundreds of hours of researchor years worth of her workand was abruptly taken offline.She was then told that she was prohibited from accessing, possessing or creating any other You.Tube accounts. The ban was for life, and with little explanation and zero human interaction, OBriens research, much of it not accessible elsewhere, was bound for Googles trashcan.With the knowledge that You.Tube has faced increased pressure from the US and European governments to crack down on the spread of terrorist propagandaa consequence of which has led to the disappearance of content amassed by conflict reportersit wasnt difficult to deduce what had happened to OBriens account.The problem was eventually addressed and representatives of both Google and You.Tube later called OBrien to apologize and explain the error.When she was told that her channel had been misidentified as an outlet for terrorist propaganda, she could hardly contain her laughter.It was a series of unfortunate events, a You.Tube rep told her.The mistake, they explained, was the fault of a human reviewer employed by Google.A spokesperson for Google told Gizmodo on Friday With the massive volume of videos on our site, sometimes we make the wrong call.When its brought to our attention that a video or channel has been removed mistakenly, we act quickly to reinstate it.This for archival purposes.This is not for propaganda purposes.This year, You. Tube has begun increasingly relying on machine learning to find and scrub extremist content from its pagesa decision prompted by the successful online recruiting efforts of extremist groups such as ISIS.With over 4. 00 hours of content uploaded to You.Tube every minute, Google has pledged the development and implementation of systems to target and remove what it calls terror content.Last month, a You.Tube spokesperson admitted, however, that its programs arent perfect, nor are they right for every setting.But in many cases, the spokesperson said, its AI has proven more accurate than humans at flagging videos that need to be removed.In a call Wednesday, a You.Tube representative told Alexa Humans will continue to make mistakes, just like any machine system would obviously be flawed.The machine, which prioritizes the content reviewed by human eyes, wasnt quite ready, she said, to recognize the context under which controversial content is uploaded.The OBrien incident demonstrates that Google has many miles to go before its AI and human reviewers are skilled enough to distinguish between extremist propaganda and the investigative work that even Google agrees is necessary to broaden the publics knowledge of the intricate military, diplomatic, and law enforcement policies at play throughout the global war on terror.Al Qaeda and The As Sahb Tape.What prompted a Google reviewer to designate OBrienas a purveyor of terrorist content Well, for one, her channel contains actual al Qaeda propaganda.But that propaganda is also an important piece of US history A few years ago, it nearly cost former US Army Private Chelsea Manning a life sentence.OBriens channel contain portions of a June 2.Qaeda outlet As Sab Media featuring Adam Yahiye Gadahn, a US born al Qaeda operative in the Arabian Peninsula, whoin earlier jihadi propaganda tapes rebroadcast by US network newsreferred to himself as Azzam the American.In 2. Gadahn appeared in an al Qaeda documentary that features an introduction by Ayman al Zawahiri, the al Qaeda co founder and current leader of the organization who succeeded Bin Laden in 2.In January 2. 01.Gadahn was killed in Pakistan in a series of US drone strikes, which also claimed the lives of foreign aid workers Giovanni Lo Porto and Warren Weinstein.OBriens interest in Gadahn has nothing to do with spreading his views on the Great Satan or his prophesies of American streets run with blood.The footage she preserved using You.Tubes service, which was also embedded in an off site analysis, was used by military prosecutors to support criminal offenses at the court martial of Chelsea Manning.The criminal proceedings against Manning lacked contemporaneous access to the court record.Only the work of reporters, like OBrien, who personally attended the trial, is available to the public.The As Sab video featuring Gadahn came into play after the US government accused Manning of aiding the enemy, a charge that, unlike most derived from the militarys code of justice, can be applied to civilians.And it carries a life sentence.Manning was accused of aiding Gadahn, legally defined in the court martial as an enemy of the US, because the As Sab video cites both Wiki.Leaks and the State Department cables that Manning leaked.An unidentified male narrator in the Gadahn video references, for example, the revelations of Wiki.Leaks, and claims they expose the subservience of the rulers of the Muslim world for their master America.The video also includes portions of the infamous Collateral Murder tape, which depicts American Apache pilots firing upon a group of men in Baghdad, killing among them two Reuters journalists.The excerpts contained in all three videos were squarely in the public interest.A stipulation in the criminal case reveals that the US government argued Osama bin Laden himself had been in receipt of, and consequently aided by, the intelligence Manning leaked.The evidence to support this, however, is classifiedall of it collected during the May 2, 2.Abbottabad compound.An analysis conducted by OBrien, which includes the portions of the As Sab video she uploaded to You.Tube, suggests that Bin Laden may have somehow received a copy of the video while hiding in Pakistan.A digital copy of the tape itself may even have been recovered by the US Navy SEALs that breached his compound during the CIA led mission that ended in Bin Ladens death.The video of Gadhan had already been entered into evidence to support the aiding the enemy chargebut to prevent testimony, which wouldve involved an elaborate set up to conceal the identity of a witness linked to the Bin Laden evidence, Mannings defense agreed to stipulate that Bin Laden was in possession of information tied to Wiki.Leaks. The CIA recovered, for example, a letter from Bin Laden in which he requests from a member of al Qaeda US Department of Defense material released by Wiki.Leaks. In another letter, an al Qaeda operative attached a number of leaked battlefield reports.The defense further stipulated that Bin Laden was in possession of Department of State information, which OBriens analysis suggests is likely the As Sab tape itself.Ultimately, the charge didnt stick. Need for Speed Hot Pursuit. To reach download page dont forget to use Skip. Ad button in right corner up on adfly page . Need for Speed Hot Pursuit full game nos. TEAM download here Download full game here http adf. BEe. 9 or http q. Avw. IR To fully working game Save update patch in your game folder and install it. Ventanas con rotura de puente trmico grosor de cristales y cmara de aire. Hola qu tal. 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If fact, the only things that you can do with a null without causing an NPE are assign it to a reference variable or read it from a reference variable,assign it to an array element or read it from an array element provided that array reference itself is non null,pass it as a parameter or return it as a result, ortest it using the or operators, or instanceof.Question How do I read the NPE stacktrace Suppose that I compile and run the program above javac Test.Exception in thread main java.Null. Pointer. Exception.Test. mainTest. java 4.First observation the compilation succeedsThe problem in the program is NOT a compilation error.It is a runtime error.Some IDEs may warn your program will always throw an exception.Second observation when I run the program, it outputs two lines of gobbledy gook.WRONG Thats not gobbledy gook.It is a stacktrace.So lets look at what is says Exception in thread main java.Null. Pointer. Exception.The first line of the stack trace tells you a number of things It tells you the name of the Java thread in which the exception was thrown.For a simple program with one thread like this one, it will be main.Lets move on. It tells you the full name of the exception that was thrown i.Null. Pointer. Exception.If the exception has an associated error message, that will be output after the exception name.Null. Pointer. Exception is unusual in this respect because it rarely has an error message.The second line is the most important one in diagnosing an NPE.Test. mainTest. java 4.This tells us a number of things at Test.Test class. Test.AND it tells us that the statement where this occurred is in line 4 of the file.And if you count the lines in the file above, line 4 is the one that I labelled with the HERE comment.Note that in a more complicated example, there will be lots of lines in the NPE stack trace.But you can be sure that the second line the first at line will tell you where the NPE was thrown.In short the stacktrace will tell us unambiguously which statement of the program has thrown the NPE.Not quite true. There are things called nested exceptions.Question How do I track down the cause of the NPE exception in my code This is the hard part.The short answer is to apply logical inference to the evidence provided by the stack trace, the source code and the relevant API documentation.Lets illustrate with the simple example above first.We start by looking at the line that the stacktrace has told us is where the NPE happened int length foo.HERE. How can that throw an NPEIn fact there is only one way it can only happen if foo has the value null.We then try to run the length method on null and.BANG But I hear you say what if the NPE was thrown inside the length method call Well if that happened, the stacktrace would look different.The first at line would say that the exception was thrown in some line in the java.String class, and line 4 of Test.So where did that null come from In this case it is obvious and it is obvious what we need to do to fix it.Assign a non null value to fooOK, so lets try a slightly more tricky example.This will require some logical deduction.Test. private static String foo new String2.String bar, int pos.String args. Test.Exception in thread main java.Null. Pointer. Exception.Test. testTest. java 6.Test. mainTest. java 1.So now we have 2 at lines.The first one is for this line return argspos.So looking at the first line, how could that throw an NPEIn fact, there are two ways If the value of bar is null then barpos will throw an NPE.If the value of barpos is null then calling length on it will throw an NPE.So next we need to figure out which of those scenarios explains what is actually happening.Lets start by exploring the first one Where does bar come from It is a parameter to the test method call, and if we look at how test was called, we can see that it comes from the foo static variable.And we can see clearly that we initialized foo to a non null value.That is sufficient to tentatively dismiss this explanation.In theory, something else could changefoo to null.So what about our 2nd scenarioWell we can see that pos is 1, so that means that foo1 must be null.Is that possible Indeed it is And that is the problem.When we initialize like this private static String foo new String2.String with two elements that are initialized to null.And then we didnt change the contents of foo. |
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