When using a concurrent hashmap do i need to wrap the put around a synchronised block, is there a chance of a race condition: synchronized(lock) { i
my code： q0 = [10,20]; qv0 = [0,0]; qa0 = [0,0]; qf = [60,100]; qvf = [0,0]; qaf = [0,0]; %syms tf;% 没有解析解 tf = optim
Can you explain to me the output of this Java code? int a=5,i; i=++a + ++a + a++; i=a++ + ++a + ++a; a=++a + ++a + a++; System.out.println(a); System.out.pri
I am invoking a lambda function which is querying from AWS Athena and during execution of the query I am getting this error: Permission denied on S3 path: s3://
I have a set of variables X1 and X2 and Y with relationship plot as shown below. X2 values are used for color coding. X1, X2, and X3 are integ
We are facing this issue for a very long time. All of a sudden Sync/Commit/Push/Pull operation stopped working with Visual Studio 2015/2017/2019. This happens o
I'm doing a school project in architecture client-server with JavaFX, Maven, Hibernate etc I have big problem with implementation alone Hibernate (without Spri
I have incoming bytes of arrays once a time. It kind of looks like this [10,12,34,58,62] [83,33,23,44,13] [10,12,34,58,62] [34, 77,54,23,87] [83,33,23,44,13] [1