Thread 1 enters the if block, but is preempted by thread 2 before executing the line at //2.
线程1进入if代码块，但在执行 //2 处的代码行时被线程 2 预占。
When a call to the log method is found, we check to see if the program counter is outside the if block determined earlier.
找到对log方法的调用后，我们检查程序计数器是否在前面确定的if块外面。
Because I am not wrapping the (Out of Stock!) message in an HTML tag element, Razor can’t implicitly determine that the content within the @if block is the start of a content block.
由于我没有将消息“已售完！” 嵌套在HTML标签元素内，Razor不能隐式判断@if块中的内容是否是一个内容块的开始。
The straight forward approach would be to add a fourth IF block after looking for credentials from the form fields.
简单的方法是在寻找来自表单字段的凭证之后添加第四个IF块。
The straight forward approach would be to add a fourth IF block after looking for credentials from the form fields.
简单的方法是在寻找来自表单字段的凭证之后添加第四个IF块。
应用推荐