Programmer Group

Before ECMAScript 6, arrays can be used to store values, and ECMAScript 6 adds two collection types: Set and WeakSet.SetSet set can use new to create an empty set:const s = new Set();You can also initialize an instance when creating a Set:const s = new Set(["Xiao Zhao", "Xiao Ming", "Kasumi "]);You can also customize the iterator when initializ ...

  preface When it comes to how to terminate a thread, the method that some readers usually think of immediately must be stop(), but the stop() method is not recommended (it is prohibited in many specifications). The reason is that forcibly terminating a thread will lead to abnormal termination of the program, incorrect release of resources, ...

SpringBootAdmin is a monitoring tool for UI beautifying and encapsulating the actor interface of Spring Boot. It can browse the basic information, detailed Health information, memory information, JVM information, garbage collection information, various configuration information (such as data source, cache list and hit rate) of all monitored Spr ...

Before ECMASCript 6, constructor patterns and prototype patterns and their combinations were used to simulate the behavior of classes. However, these strategies have their own problems and corresponding compromises. The implementation of inheritance can also be very lengthy and confusing. Therefore, ECMASCript5 introduces a new class keyword to ...

} } //If the tail node is null, enq is used to join the queue enq(node); return node; } //The synchronizer ensures the correct addition of nodes through an endless loop. After the node is set as the tail node through CAS in the "endless loop", //The current thread can only return from this method. Otherwise, the current thread ...

How to customize? The Helper holds a reference to the view, so you can get the view (getViews) and then operate the viewcallback before and after onLayout (updateprelay / updateprelay) is providedThe Helper inherits the view, so the Helper itself is also a view CircularRevealHelper [the external chain picture transfer fails. The source stati ...

This series of articles is translated from the official cmake tutorial: [cmake tutorial]( ). Sample program address: [github.com/rangaofei/t...]( ) I won't just stay in the official tutorial. As an Android Developer, I really don't have linux c program development experience. I hope the big guys will forgive me. The tutorial is completed u ...

Status of thread pool (5 kinds): The AtomicInteger variable ctl is very powerful: the low 29 bits represent the number of threads in the thread pool, and the high 3 bits represent the running state of the thread pool: RUNNING: -1 << COUNT_ Bits, that is, the upper 3 bits are 111. The thread pool in this state will receive new tasks and ...

Review review In previous issues, we learned about the matplotlib module. For the commonly used broken line chart reflecting data changes, we compared the histogram of data type differences and the histogram reflecting data frequency distribution. Quick view of content Super detailed Python matplotlib drawing histogram_ Simple programming bl ...

A multi child node control, which is very common in fluent, arranges children in a row. It is estimated that the Flex layout in the Web is used for reference, so many properties and performance are similar to it. Note, however, that it does not have a scrolling attribute. If it exceeds one line, an overflow prompt will be displayed under debug. ...