F1 - F0 keys locked in operation.

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  I mean not a key lock, as if the locking of the upper keyboard button is pressed. This, after pressing a button is always displayed a message, that the keys are locked and must unlock them. This consumes a lot of battery through pressure on the keys at random if your handheld is in a Pocket, etc.. I want to make a such keyloch as if your handheld is in the original case. Hope so, it is possible without the case.

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  ... I discovered, its potential affecting only the pocket computer sleep mode. To do this, I have to press the right top key on the top, not the upper left button (it's only for the locking of the keyboard is not complete as I described).

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• ENQ: TX - conflict in line for the foreign key lock

  Hi all
  
  My DB is 11.2 exadata machine.
  
  I've got to get a case and don't know how to explain it.
  
  session 1:
  
  create the parent table)
  ID number primary key);
  create the child table)
  parent references ID number,
  name varchar2 (20));
  insert into values parent (3);
  
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  Session 2 crashes.
  
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  Best regards
  Leon

  user6806750 wrote:
  >
  So I agree with the OP: the second operation should immediately receive the error 'parent does not exist', instead of block.
  >

  How about this scenario
  Session 1:

  1. insert into parent(id) values (3);
  2. commit;
  3. delete from parent where id = 3
  

  Session 2:

  1. insert into child values (3,'aa');
  

  What a result for the session 2 you expect in this case?

  Let me repeat a sentence of my previous post:
  Theoretically, the general rule is that account required to a SQL statement (whose key foreign is just one particular case) two different operations should only be serialized when both transactions run a kind of DML statement that could be contrary to the assertion.

  Now give me a scenario where two operations in effect running a kind of DML which could be contrary to the assertion of FK:
  -session 1 deletes a parent, which could be contrary to the assertion of FK because there may be child-lines 'under' parent.
  -session 2 inserts a child, which could be contrary to the assertion of FK because there could be a mother line for that child.

  ERGO: sessions 1 and 2 in your scenario above must be serialized.

  Still once, this was not the case in the scenario of the OP: FK assertiveness could never be breached by what session 1 (insert a new parent).

  >
  I don't see what that has to do with "modes of locking for insert, update, delete statements" (what do you mean by there btw?)
  >
  Thus,.
  Oracle of the second session always will go, lock in exclusive mode the entry created in the child table and then try to check for the presence of record in the parent table by reading it in shared mode (why reading is in shared mode must be clear from the scenario described above). Because the parent record is locked in exclusive mode, it cannot hold a shared lock, so he waits. So, if we need a different result if the first session of the insertions and deletions a record, Oracle, stumbled on the lock, you need to know what type of operation has led to the blocking.
  Something like that...

  The problem with the implementation of the Oracle of the assertion of FK is it locks data to serialize an assertion of the FK validation.
  Theoretically, this is the wrong approach. When dealing with simultaneous transactions and validation of constraints in several rows, it should return a predicate to first lock and then read the other rows (without lock somehow) to validate the assertion. Scientific research for this return began in the 1970s: http://dl.acm.org/citation.cfm?id=360369

• MacBook Pro fn key locked somehow WE

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• Check if iPhone had first lock the operator

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  I understand the problem. No doubt it would work even for people who are currently underway in the BIOS to disable the action keys. This is not necessary and fortunately, this solution works for people who are unable to disable the action keys, for some stupid reason.

  The problem is a hardware problem, specifically a problem of keyboard to 100%.

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• Lenevo Z580 key lock problem

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• mouse/key locks board increase after computer idle for long periods of time. any Advisor

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  Thank you for your help.

  This is possibly due to a slow computer errors and registry. I recommend the following.
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• KEY LOCKED SYSTEM SHUTDOWN?

  Okay, I need help please! I was not able to load or else use my Sansa e200 for the past two weeks. My computer has recognized before and I went through all the tips troubleshooting without result. I don't know how to unlock and charge my Sansa also.

  Thank you all in advance for your input.

  Kind regards

  Challenged Ms. Tech

  Slide the HOLD switch on top of the camera, helmet. When it is LOCKED, you will see orange under the cursor. When it is UNLOCKED, you won't.

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• Ctrl key locks

  System: Windows Vista Home Premium Service Pack 2
  Model: HP Pavilion dv9700 Notebook PC
  Processor: Intel Core 2 Duo CPU T5450 at 1.66 GHz
  Memory (RAM live): 3.00 GB
  System type: 32-bit

  Probably not related to the info above, but it can't hurt someone help.

  TL; DR: My computer keeps thinking that the ctrl key is pressed when it is not. Is there a way to solve this problem permanently, or my keyboard is simply broken?

  FULL ARTICLE:

  Today, I turned on my computer and the start screen where it tells the brand of computer and all ordered options and avoidance for the analyses of the system has really had much time to disappear and load the OS screen. I been a little perplexed and worried about it, but it doesn't seem to be a problem.

  Just in case, I did a virus scan with my Avast! Free antivirus and it tells me there is no problem with my computer. My unstable feeling, put at ease, it seemed OK to me. I open windows live messenger and tried to start talking to my friend, but it wouldn't let me type. Switch to Firefox, because I tried to find a solution, I found that I couldn't type out there either because all these windows as save the page and find jump upward.

  I discovered by pulling my on screen keyboard that my ctrl key has been locked, even if I wasn't pressing it at all. I temporarily fixed several times by pressing the CTRL on the keyboard on the screen or by pressing the right CTRL key on the physical keyboard several times, but only one of the two could never work. I determined that it was left CTRL that was causing the problem.

  Now my left ctrl key has had a history of bad luck with me. First the PAC itself came out a year ago, and then the little spongy rubber under a thing done as well. But the button still works if I press on the space where the key used to be. I don't know if the missing key could be part of the problem, but I doubt it because it has never been a problem before.

  I checked my settings, and sticky keys is not the problem. I doubt the sticky keys would be able to assign the same computer outside the OS anyway. I can't find a button or setting change to get this to stop, and the CTRL just randomly sticks again on the computer without warning, even when I'm not in contact with the laptop at all. It's really in the way of myself using my laptop, since I can't even type easily. Writing even this message was very difficult, given that the SHIFT is very inclined to press ctrl as well for some reason any, but which may or may not be the fault of the absence of a case key for my key Ctrl. As I was saying before, however, that the absence of Carter has never been a problem, even when I used Shift.

  My computer keyboard has changed often other languages for this reason also, and I had to go into my settings and erase all my shortcuts for changes of language because of this problem.

  I had to resort to the help of my shift for caps and random lock record and bookmarks and find windows pop up without warning. Backspace erases sometimes whole lines because, with the CTRL key, BACKSPACE deletes words, no letters.

  If someone could give me an answer, I would be really grateful!

  Hi Chrysfaic,

  You can try these steps and see if it helps.

  Step 1:

  Try pressing both keys CTRL left and right at the same time and see if that release CTRL.

  Step 2:

  a. go to start / settings / control Panel / Accessibility Options Options /Keyboard.

  b. turn off CTRL lock if it is enabled.

  c. If this solves and to avoid future problems, press "settings".

  d. disable "Press modifier key twice to lock.

  e. turn "disable automaintenues keys if 2 key at the same time." Or disable "use shortcut".

  For more information, see the following article:

  Facilitate the use of the keyboard

  Step 3:

  Clean your keyboard.

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  Hello

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  Thank you

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