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Showing posts from August, 2021

sequential (-10)

https://wodewangzhishime.blogspot.com/2021/08/airforce-cant-convoy.html . Me: What does function session  (ip, user_name,password) mean ?? John: It mean, . if (ip != "") { if (user_name !="") { if (password !="") { build up a session or cookie (); } } } . John: Hackers change the function session ("ip", "user_name", "password") into function session ("ip"); . That mean, . if (ip != null) { build up a session or cookie (); }

sequential (84) motor

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https://wodewangzhishime.blogspot.com/2021/08/httpswodewangzhishime_21.html . Ref: https://wodewangzhishime.blogspot.com/2021/08/httpswodewangzhishime_6.html . . Let me explain the above picture. . In railway, we use conical wheels . . The characteristics of conical wheels are that when the train is turning left, the periphery of the left-wheel become smaller and the periphery of the right-wheel become larger. . John: The right-wheel must rotate faster. However, how does the train know that the right-wheel should rotate faster? Me: At the shaft drive, there is a balancing sensor which detect the turning of a train. . If (sensor detect train left-turn = 20 degree) // Note: It it sensed by the sensor . . We can't manually change it. { The increase of the speed of the right-wheel = 10; // Note: The increase of the speed of the right-wheel is controlled by the integrated circuit. We can't manually controll it. The decrease of speed of the left-wheel = 10; // Note: We can't manu...

learning and teaching (21) Russia night club fire accident

https://wodewangzhishime.blogspot.com/2021/08/httpswodewangzhishime_74.html . Ref:  https://wodewangzhishime.blogspot.com/2021/11/httpswodewangzhishime_10.html . . Eucharist,  https://wodewangzhishime.blogspot.com/2021/10/httpswodewangzhishime_52.html . . . . John: One day, I used a transformer to charge the battery on a mobile phone. Note: It isn't an Iphone's battery.  It's just a normal phone's battery. Suddenly,  the battery explode.  That day , Kelvin undertake a professor's obligation. He stand straight at the podium of the lecture hall of the church of Yandelism.  . 1) It's false. Kelvin can't undertake a professor's obligation. Kelvin must undertake a priest's obligation. . Kelvin: My dearest students. During this lecture, I use John's phone's battery as an example. I hack the power plant of Hong Kong. I change the alternate current into a long down cycle wave. I let John's phone's battery explode. How do you feel about this ...

learning and teaching (44) Honduras prison fire

https://wodewangzhishime.blogspot.com/2021/08/httpswodewangzhishime_59.html . Ref:   https://wodewangzhishime.blogspot.com/2021/07/httpswodewangzhishime_5.html?m=1 . John : Take a look.   https://en.wikipedia.org/wiki/List_of_school_massacres_by_death_toll  . It's a list of campus murder.  However,  it is just a tip of the iceberg.  Me (stunned): Tip of the iceberg ? John: Yes,.  Me: That mean there are plenty campus murders not listed.  John : Yes,. Take a look  https://wodewangzhishime.blogspot.com/2021/10/httpswodewangzhishime_56.html?m=1 . The matter isn't over yet.  . Kelvin (scared) : Bradley is so serious that he gonna "Kill my students. ". Mr. Tsang (the chief executive of Hong Kong): Save me. Kelvin: For sure.  I tell Mr. Kang, the judge of the court of  Hong Kong,  to jail you for 1 week.  Mr. Tsang : Is it solved? Kelvin : I hope so.  . _______ . John : While Mr. Tsang was in a 1 week jail leisur...

sequential (3)

https://wodewangzhishime.blogspot.com/2021/08/httpswodewangzhishime_89.html . Ref:  https://wodewangzhishime.blogspot.com/2021/11/httpswodewangzhishime_23.html . . 1) There are 2 type of memory. . 2) One is static memory 3) One is dynamic memory. 4) Memory is just a register. . 5) If this register is rewritable, it is dynamic memory. 6) If this register is just readable, it is static memory. . Me: For example, the "session" of PHP. It is a rewritable register. .However, hackers change it into a register of Read-only. . Afterwards, nobody can log into the web site. . 

learning and teaching (65)

https://wodewangzhishime.blogspot.com/2021/08/blog-post_35.html . . Ref: https://wodewangzhishime.blogspot.com/2021/07/httpswodewangzhishime_78.html . John: Take a look. https://en.wikipedia.org/wiki/List_of_school_massacres_by_death_toll . It's a list of Campus Killing. However, it's just a tip of the iceberg. Why? Let me tell you. The definition of Campus Killing is that someone's students kill nobody. In order to protect someone's students,  Miuson kill people. Me: Ok. John : How does it work?  Mr. Duan is Kelvin's students students. Kelvin is Miuson's students.  Have a look.   https://en.wikipedia.org/wiki/BBK_Electronics  . It's a spy's company open by Kelvin.   Me: This spy's company is listed in Bahrain's bourse. John: Yes,. Mr. Duan is in charge of this spy's company.  Me: Ok. John : In fact, Kelvin teach Mr. Duan a lots of hacking techniques.  One of the techniques is "How to hack a bourse". ___ . Bradley : Stop touching t...

sequential (-5)

https://wodewangzhishime.blogspot.com/2021/08/plug-off-cable.html?m=1 . Ref:  https://wodewangzhishime.blogspot.com/2021/09/httpswodewangzhishime_10.html . Me: In stock exchange, 100 stock/10 buying= $10, 100 stock /100 buying= $1 John: Stock is a static memory. . Buying is a dynamic memory either. . While (stock exchange is running) { Dynamic stock = 100; Dynamic buying ; Socket value () { Dynamic Value = stock/buying; } } 1) There are 2 type of memory. .One is static . . One is dynamic . 2) Memory is just a register. .If this register is read and write, it is dynamic memory. If this register is read-only, it is static memory. When a register is writable, we call it dynamic memory. .Else, we call it static memory . . Me: Hackers change the (dynamic memory) (buying) into a (static memory) (buying). As a result, the register is read-only.  . John: And then, a natural phenomenon become a man-made phenomenon. . Me: If this register is read-only, a parallel input is not availabl...

learning and teaching (14) COVID

https://wodewangzhishime.blogspot.com/2021/08/httpswodewangzhishime_53.html . Ref:  https://wodewangzhishime.blogspot.com/2022/01/httpswodewangzhishime_76.html . John : In a lesson of anatomy,  a professor kill one mouse and say to his students, " It's an example. ". This professor is illegal.  Me: Ok . ______ . Kelvin : John is an example.  He's surveillanced by the satellite.  It's educational.  . Mr. Biao (a spy from Hong Kong): OK. . Kelvin :Ok. Today is your turn. Look at this camera. It hack the satellite of America. Do you see that John is standing by a convenience's store? . Mr. Biao: Yes,. . Kelvin: You wait for 3 months to see the demonstration. You must award yourself because of your patience of 3 months. . Mr. Biao : How do I award myself ? . Kelvin : Tonight, you go to this convenience store and break the windows of it. Afterwards, you look at the sky and soliloquize, " Finally, it is my turn to witness the power of sky eyes. ". ...

learning and teaching (4)

https://wodewangzhishime.blogspot.com/2021/08/httpswodewangzhishime_6.html . Ref: https://wodewangzhishime.blogspot.com/2021/11/httpswodewangzhishime.html . John : In a lesson of anatomy,  a professor kill one mouse and say to his students, "It's a terrific example. ".  Me: This professor is illegal.  John: Excellent. In 2009, I worked in a security company, in which, Miss Yip is the manager. Guess what happen ? Me: What ? John : Kelvin use me as an example and then teach Miss Yip how to hack my cellular phone.   . __ . Kelvin: John is an example and his cellular phone is haacked by me . It is educational.  Aren't you "glad"? Miss Yip: Yes,. . Kelvin click a button and then the intergrate microphone of John's cellular phone was opened. . Kelvin: See. It's the way we eavesdrop on John.  Miss Yip: Oh! It's wonderful.  Kelvin : The lesson of today finished.  Miss Yip (applaud): Thanks.  Professor.  ___________ John : 2 days later, Kelvin r...

sequential (83) motor

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https://wodewangzhishime.blogspot.com/2021/07/httpswodewangzhishime_78.html . Ref:   https://wodewangzhishime.blogspot.com/2021/10/httpswodewangzhishime_16.html  .  . .  John: When a train is forwarding slowly at the junction during a rail-switch, if hacker break-into the control house, yes, there will be an accident, however, the accident won't be tragedy. Me: Because, the train is forwarding slowly. John: Correct. . The faster the train is forwarding, the more tragedy the accident.