Use this library if your are implementing an JavaPOS application to compile against it. This will make your application independant of JavaPOS device service providers. You will be able to change ...

在Java并发编程的世界里，synchronized是一块绕不开的“基石”——它像一把“互斥锁”，守护着共享资源免受多线程“争抢”的伤害；又似一道“安全屏障”，将竞态条件、数据不一致等线程安全问题隔绝在外。然而，很多开发者对synchronized的认知停留在“加锁语法糖”层面，实践中频频踩坑： ...

OpenJDK project teams will focus work on features such as value types, code reflection, AOT compilation, and structured ...

Ruby Box is an experimental feature that provides separate spaces in a Ruby process to isolate application code, libraries, and monkey patches.

Comparison of one or more Hashing Algorithms from - Double Hashing, Robin Hood Hashing, Hopscotch Hashing, Cuckoo Hashing with Java's inbuilt HashMap/ HastSet over millions of add(), contains() and ...

Abstract: Recently, Ding (see IEEE Signal Processing Lett., vol.3, p.150-2, May 1996) has pointed out several classes of multipath channels that are not blindly identifiable from fractionally spaced ...

WASHINGTON (AP) — President Donald Trump has announced a bold plan for the Navy to build a new, large warship that he is calling a “battleship” as part of a larger vision to create a “Golden Fleet.” ...