///

/// warning

Have in mind that the `RequestValidationError` contains the information of the file name and line where the validation error happens so that you can show it in your logs with the relevant information if you want to.

      TFE_DeleteTensorHandle);
  ASSERT_TRUE(arrived);
  ASSERT_TRUE(TF_GetCode(status.get()) == TF_OK) << TF_Message(status.get());

  // Base case: two CPU inputs executes fine.
  std::unique_ptr<TFE_Op, decltype(&TFE_DeleteOp)> matmul(
      MatMulOp(context.get(), hcpu.get(), hcpu.get()), TFE_DeleteOp);
  TFE_TensorHandle* retval;
  int num_retvals = 1;

<div class="termy">

```console
$ source .venv/Scripts/activate
```

</div>

////

/// tip

每次你在這個環境中安裝一個**新的套件**時，都需要**重新啟動**這個環境。

這麼做確保了當你使用一個由這個套件安裝的**終端（<abbr title="command line interface - 命令列介面">CLI</abbr>）程式**時，你使用的是你的虛擬環境中的程式，而不是全域安裝、可能版本不同的程式。

///

## 檢查虛擬環境是否啟動 { #check-the-virtual-environment-is-active }

檢查虛擬環境是否啟動（前面的指令是否生效）。

/// tip

```console
$ source .venv/Scripts/activate
```

</div>

////

/// tip | 提示

每次你在这个环境中安装一个 **新的包** 时，都需要 **重新激活** 这个环境。

这么做确保了当你使用一个由这个包安装的 **终端（<abbr title="command line interface - 命令行界面">CLI</abbr>）程序** 时，你使用的是你的虚拟环境中的程序，而不是全局安装、可能版本不同的程序。

///

## 检查虚拟环境是否激活 { #check-the-virtual-environment-is-active }

检查虚拟环境是否激活 (前面的命令是否生效)。

/// tip | 提示

        SMB1SigningDigest verifyDigest = new SMB1SigningDigest(testMacSigningKey);

        // Verify should return false when signature is correct (no error)
        // The code returns true on line 281 when signatures DON'T match
        boolean result = verifyDigest.verify(data, 0, data.length, 0, mockRequest);

        // The verification should succeed (return false) since we're using the same key

And you can use and implement secure, standard protocols, like OAuth2 in a relatively simple way.

  //    assigned prior to calling addListener, and addListener happens-before any invocation of the
  //    listener. Notably, this means that 'volatile' is unnecessary to make 'inputFuture' visible
  //    to the listener.
  //
  // 2. In done() where we may propagate cancellation to the input. In this case it is _not_ fine.

to attach them to the start of each source file to most effectively
state the exclusion of warranty; and each file should have at least
the "copyright" line and a pointer to where the full notice is found.

    <one line to give the program's name and a brief idea of what it does.>
    Copyright (C) <year>  <name of author>

    This program is free software: you can redistribute it and/or modify

errors.operation_already_running=The operation is already running on {0}.
errors.failed_to_read_request_file=Failed to read a request file: {0}
errors.invalid_header_for_request_file=Invalid header line: {0}
errors.could_not_delete_logged_in_user=You cannot delete a user who is logged in.
errors.unauthorized_request=Unauthorized request.
errors.failed_to_print_thread_dump=Failed to print a thread dump.

errors.operation_already_running=The operation is already running on {0}.
errors.failed_to_read_request_file=Failed to read a request file: {0}
errors.invalid_header_for_request_file=Invalid header line: {0}
errors.could_not_delete_logged_in_user=You cannot delete a user who is logged in.
errors.unauthorized_request=Unauthorized request.
errors.failed_to_print_thread_dump=Failed to print a thread dump.