Simon Robert's philosophy in training is "understanding is greater than knowledge" meaning simply that although learning facts might be helpful, they can often be looked up. By contrast, it's understanding that allows us to make effective use of those facts, and to extrapolate to new puzzles....
This makes it possible to create systems that “self heal”, meaning that if an actor gets to an exceptional state and crashes, by whatever reason, a supervisor can do something about it to try to put it in a consistent state again (and there are multiple strategies to do that, the mos...
select lookup_code, meaning from fnd_lookups where lookup_type='CP_PROCESS_STATUS_CODE' # 如何手动停掉正在运行的 Concurrent Request <154688.1> update fnd_concurrent_requests set status_code='C',phase_code='c' where request_id=4374195; # <152763.1> , in that case, set status_code='X' #...
Current Behavior The build using v8.9 has a FAILURE. FAILURE: Build failed with an exception. What went wrong: Could not determine the dependencies of task ':connector-api:compileJava'. Could not resolve all dependencies for configuratio...
How does ConcurrentSkipListSet has Iterators that are weakly consistent? Understanding meaning of 'weakly consistent' ConcurrentSkipListSet using Comparator will not add new unique values How is concurrentskiplistset implemented in Java? How do I compare two events in a ConcurrentSkipListMap using a co...
This makes it possible to create systems that “self heal”, meaning that if an actor gets to an exceptional state and crashes, by whatever reason, a supervisor can do something about it to try to put it in a consistent state again (and there are multiple strategies to do that, the mos...
such optimizations do not affect the meaning of sequential programs, but the situation is different for concurrent programs as different threads may have subtly different (inconsistent) views of the shared memory and thus their execution may result in an unexpected (non-sequentially consistent) behaviou...
Suppose that at some point in the program the dictionary becomes fixed, meaning no more insertions or deletions will be performed on it. Once all threads know this point has been reached (probably by reading some other synchronized shared-memory object to make sure that all threads are finished...
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Intensive communication can slow down considerably a group of concurrent threads of an application, especially in case of multistage computations with frequent barrier synchronizations. The word message should be understood in an information theoretical sense, rather than the more narrow meaning used in ...