You already know that you need a debugger or profiler to analyze running code, but you can learn a lot from code without ever running a program.
您已经知道了需要调试器或分析工具来分析运行的代码，但您还可以在不运行程序的情况下，从代码中了解很多。
Before you run a program or attach to an already running program, list the source code where you believe the bug is, set breakpoints, and then start debugging the program.
在运行程序或连接到已经运行的程序之前，请列出您觉得有错误的源代码，设置断点，然后开始调试程序。
This goal also helped to narrow our focus and significantly reduce testing efforts because we knew that with very few exceptions, the code had already been running in production for a long time.
该目标帮助我们缩小了工作范畴并大大减少了测试工作量，因为原有代码已经运行过相当长的时间，是很可靠的。
Because the AIX operating system was already running a 64-bit kernel, though, this coonfiguration was a test to see whether just the change in Lotus Domino code to 64-bit would make a difference.
但是，由于AIX操作系统已经运行 64位的内核，因此这个配置用于测试将LotusDomino代码改为 64 位时是否会对性能产生影响。
Submitting the form without this code works, though that is only because the search I am running is already definite enough.
提交表单没有这个代码工作，尽管这只是因为我运行的搜索已经足够明确。
Cocoa also provides methods on NSObject for spawning new threads and executing code on already-running threads.
cocoa还提供了方法NSObject生成新线程和正在运行的线程上执行代码。
Cocoa also provides methods on NSObject for spawning new threads and executing code on already-running threads.
cocoa还提供了方法NSObject生成新线程和正在运行的线程上执行代码。
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