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as seen on Server Fault
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As I understand it, a SELECT statement will place a shared lock on the rows that it will return. While that SELECT is running, if an UPDATE statement comes along and needs to grab an intent exclusive lock then that UPDATE statement will need to wait until the SELECT statement releases its shared locks…
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as seen on Stack Overflow
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I have a couple questions concerning Update (U) locks and Exclusive (X) locks.
1) Am I correct that an 'X' lock is put on a resource when the resource is about to get updated?
2) I'm a little fuzzy on U locks. Am I correct that a U lock is applied when a resource is read and SQL Server thinks it…
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as seen on Stack Overflow
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Hi,
In android 2.1, if we enable pattern lock, then the screen lock (slide to unlock) is not displayed and if pattern lock is disabled then screen lock is enabled again. Can someone point me out the java file in framework and the function where this happens. I mean when the screen is about to get…
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as seen on Simple Talk
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Today's post will explore why the current ways to communicate between threads don't scale, and show you a possible way to build scalable parallel programming on top of shared memory. The problem with shared memory Soon, we will have dozens, hundreds and then millions of cores in our computers…
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as seen on Stack Overflow
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I am using in my code at the moment a ReentrantReadWriteLock to synchronize access over a tree-like structure. This structure is large, and read by many threads at once with occasional modifications to small parts of it - so it seems to fit the read-write idiom well. I understand that with this…
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as seen on How to geek
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Is your desk a paragon of neatness, or does it look like a paper-bomb has gone off? If you’ve been putting off getting organized because the task is too huge or daunting, or you don’t know where to start, we’ve got 40 tips to get you on the path to zen mastery of your filing system…
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as seen on Server Fault
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the following situations:
i have two pc's. My work desktop with XP and logged on in domain mywork.com. This desktop also has two network card. one for logging on the mywork.com domain and using the intranet etc. this desktop also has a network card with access to a switch.
the other pc is a windows…
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as seen on Super User
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I know it has been asked before, but I would like it to happen in real time and transparently (without the need to open a separate FTP client such as FileZilla).
For example, if I edit a text file in the local folder and then save it, it should immediately detect it and push the changes to the remote…
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as seen on Super User
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I know this has been asked in a subtle different way before (Change the folder that Windows Explorer starts at), but I want to open the Windows Explorer on a folder that is on my desktop in Windows XP.
What I am doing currently is:
%SystemRoot%\explorer.exe /e,/n,Desktop\Folder
But it redirects…
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as seen on Stack Overflow
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I have Folder this Folder have some files and folders i need to copy just files from this folder to another one without coping the folders.
if anyone understood that please i need some help.
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