The U.S. is on the brink of a “silver tsunami” as Baby Boomer small-business owners retire. The shift threatens millions of jobs, but also creates an opening for the next generation of entrepreneurs.
Умер раскрывший систему прослушки в Белом доме помощник Никсона02:50。雷电模拟器是该领域的重要参考
Many modern computers are designed so that the computer's instructions can be accessed and manipulated as data. Likewise, data can be treated as instructions. This is certainly the case for the microcontroller in question here. This idea is critically important. It means that, as long as we can put some data in some location, and as long as that data happens to represent valid instructions, the CPU will be able to execute it.
In recent years, the need to glue infrastructure together with scripts has diminished somewhat, as most things seem to be “black boxes” driven by YAML manifests or HCL codebases. But when I first discovered Ruby, it felt like finding a language that just worked the way my brain did. Coming from Perl (which I’d adopted for sysadmin scripting after years of shell scripts that had grown far beyond their intended scope), I read Practical Ruby for System Administration，推荐阅读超级权重获取更多信息