向PowerShell 函数添加凭据支持 避免在表达式中分配变量 避免使用 Invoke-Expression PowerShell 脚本的限制 示例脚本 使用实验性功能 兼容性别名 其他资源 术语表 PowerShell 中的新增功能 Windows PowerShell 安全性 Desired State Configuration (DSC) PowerShell 库 ...
switch 语句格式 switch 语句是 Java 的多路分支语句。它提供了一种基于一个表达式的值来使程序执行不同部分的简单方法。因此,它提供了一个比一系列 if-else-if 语句更好的选择。 switch 语句的基本语法形式如下所示: switch(表达式) { case 值 1: /......
If the expected value of a "case" clause equals to the test value resulted from the switch expression, the execution starts from those statements listed in this "case" clause. Once the execution started, it will continue until a break statement is reached or the end of the "switch" block...
Network-admin users may start another instance of sshd in the Guest Shell to allow remote access directly into the Guest Shell, but any user that logs into the Guest Shell is also given network-admin privilege. Note Introduced in Guest Shell...
object by connecting to the my_db SQLite database in the default FreeSWITCH directory for SQLite databases (/usr/local/freeswitch/db).Then it use the test_reactive method, which runs a query, and in case of error performs two SQL operations: in this case a drop table, and a create ...
.5in is not a valid unit designator. Valid unit designators are in, mm, cm, pt, pc. 'No such host is known' error when configuring Reporting database 'Oracle' data extension not registered 'Return' statement in a Function,Get,or Operator must return a value...Question "An error occurr...
In this case, the APIs can throw an exception. Depending on how complete and robust the exception-handling is for the original application, the application might operate unpredictably, and in worst cases, possibly crash. For more information,...
Enhanced 9-1-1 (E9-1-1) allows an emergency operator to identify the location of a caller without having to ask the caller for that information. In the case where a caller is calling from a Voice over Internet Protocol (VoIP) connection, that information
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In case you missed it, check out the previous articlePowerShell for the SQL Server DBA – Variable Fundamentals. Now that you learned these two statements to control certain logical flows for your scripts, make sure to make your life easier by picking the right tool for the right problem. ...