I have encountered (for me) very strange problem. In my app, when pressing start button, all threads are activated, when pressing stop button, all threads are aborted and all collections are cleared.
Using PHP\'开发者_Python百科s mysqli how do you apply a row level lock? Row level locks stop anyone editing currently present rows that match your criteria right? but do they stop a user inserting a
I\'ve seen a few implementations of popen()/pclose(). They all used a static list of pids, and no locking:
We have a websites with hundreds of visitors every day and tens of thousands queries a day. So, some tables in the database are updated very rarely, some tables are updated few times a minute and some
i have two application first application is bash second is java which one of them is periodically deleting and recreating a specific file (first)
I h开发者_运维百科ave read the article Locking and Concurrency in Java Persistence 2.0, and run the sample application. But I still can\'t realize the difference between PESSIMISTIC_READ and PESSIMIST
I\'m developing my first Android application and it is based partly on displaying some information in Google Maps. I\'ve managed to set a new center point and a new default zoom level (the area I want
i am using following cla开发者_开发技巧ss to provide access to language resources in an asp.net application. i render the page for selected language by getting the text values from database. so i try
after hours of tracking mysterious one or two seconds long l开发者_高级运维asting \"freeze\" I finally found out that its ReaderWriterLock(-1). It is server app and the lock here is held for writing t
I\'ve asp.net page/handler to access images. When performed fist request to the image I resize image to standard size(save on disk) and return it.