I have the following data to process. Each case represents a task list, step represents a specific operation step, step data of each case is different, job represents a scheduled task and takes a long time to process. After step1 and step2 execution, job...
public void method(){ ... for(Object obj: finalObjects){ .... doSth(obj); .... } } when I was traversing ArrayList in the main thread, java.util.ConcurrentModificationException occurred. has checked doSth and di...
this is a piece of code in our business. The main logic is to group data according to bank accounts, and each group, that is, each bank account, has a thread to process business logic. the problem now is that duplicate data is generated in a small prob...
this is a piece of code in our business. The main logic is to group data according to bank accounts, and each group, that is, each bank account, has a thread to process business logic. the problem now is that duplicate data is generated in a small prob...
this is a piece of code in our business. The main logic is to group data according to bank accounts, and each group, that is, each bank account, has a thread to process business logic. the problem now is that duplicate data is generated in a small prob...
this is a piece of code in our business. The main logic is to group data according to bank accounts, and each group, that is, each bank account, has a thread to process business logic. the problem now is that duplicate data is generated in a small prob...
this is a piece of code in our business. The main logic is to group data according to bank accounts, and each group, that is, each bank account, has a thread to process business logic. the problem now is that duplicate data is generated in a small prob...
this is a piece of code in our business. The main logic is to group data according to bank accounts, and each group, that is, each bank account, has a thread to process business logic. the problem now is that duplicate data is generated in a small prob...
this is a piece of code in our business. The main logic is to group data according to bank accounts, and each group, that is, each bank account, has a thread to process business logic. the problem now is that duplicate data is generated in a small prob...
I have several tasks that need to be executed all the time. In the task, a method is called to get the value, blocking the attempt to get the value for 10 minutes, and then exit the thread if the value is not available 10 minutes later. These tasks are m...
is currently working on a multi-computer manager. The web server made with flask performs tasks for administrative requests and returns the results to the front-end page (can wait). for ease of processing, web servers such as nginx are not used. for ...
for example, if you use python to crawl the on-screen comment of Douyu s live room, do you need to ensure that 100 threads connect at the same time? ...
for example, if you use python to crawl the on-screen comment of Douyu s live room, do you need to ensure that 100 threads connect at the same time? ...
Let s ask my questions in the form of judgment questions. if a process creates a thread, the thread runs normally indefinitely (assuming so). Suddenly the process exits due to an exception, and the thread disappears and does not exist in the syste...
my understanding of atomicity is either not done or finished. A variable with atomic operations atomic < int > gCounter; . There are two threads that perform write operations on gCounter . If these two threads happen to perform write operations at t...
CallerRunsPolicy discard policy in Java thread pool ThreadPoolExecutor means that the thread that starts the thread pool runs extra threads. What if the thread that starts the thread pool is running some extra thread and there is a bunch of extra threads...
as follows, the main thread calls push () , and the second thread front () reads the head of the queue, and the team is busy when it is empty. As a result, line 11 front () reported an error deque iterator not dereferencable . After taking a look ...
as mentioned in the question, is java multithreading a big promotion for programs with a large number of io? For programs with a large number of io, how can we improve the speed without adding hardware ...
as mentioned in the question, how does the java project run the unit test with multiple threads? ide is intellij?. Whether to use junit or testng, how to set the parameters? Is there any good way to run unit test case in parallel? ...
in python multithreading, only the main thread can receive the signal and cannot use join blocking. so how does the main thread end the child thread in the blocking state after receiving the signal the following code child threads receive_task1 are...