So, you'll need to perform an operation that creates a new file or fails — and does nothing else.
所以，您需要执行一个或者创建一个新文件或者失败的操作——不做其他任何事情。
Filters take standard input and perform an operation upon it and send the results to standard output.
过滤器从标准输入处获得处理内容，然后操作得到的内容，将处理后的结果送到标准输出。
To do that, it often needs to acquire system resources or in general perform an operation that may fail.
为了做到这一点，往往需要获得系统资源或一般执行的操作可能会失败。
If the application needs the operating system to perform an operation, it calls one of the system's routines.
如果应用系统需要作业系统执行作业，它会呼叫其中一个作业系统的常式。
An application attempted to perform an operation on a file to which the Standard User role does not have permissions.
应用程序尝试对“标准使用者”角色没有权限的档案执行作业。
The doctor says that he will perform an operation for her next Monday, which coincides with the date of our interview.
医生说，他下星期一给我母亲做手术，这碰巧与面试日期 相 冲突。
An application attempted to perform an operation on a registry key to which the Standard User role does not have permissions.
应用程序尝试在“标准使用者”角色没有权限的登录机码上执行作业。
Essentially, type safety means that a program cannot perform an operation on an object unless that operation is valid for that object.
本质上，类型安全性意味着，除非程序的操作对于类型是合法的，否则就无法在对象上执行操作。
Unary operators perform an operation on a single operand, such as returning the negative or positive value of a numeric expression.
一元运算符对单个操作数执行操作，如返回数值表达式的负值或正值。
The process of planning, writing, testing, and correcting the steps required for a computer to solve a problem or perform an operation.
为计算机解决某个问题或完成某种操作所需的规划、编程、检验及修正等步骤的处理方法。
A holding fixture for a wheel and tire assembly enabling a single person to perform an operation on the tire such as grooving or the like.
对一个车轮，使一个人来执行的操作的轮胎轮胎装配夹具，如槽或类似。
Most applications have custom logic that authorizes users to perform an operation not only on a class, but also on an instance of that class.
大多数应用程序都有定制逻辑，它授权用户不仅仅在类上执行操作，而且还在该类的实例上执行操作。
Finally, we look through the datastore for objects whose name key contains the string 'Homework 1' and perform an operation on each of those objects.
最后，遍历数据存储器，查找那些name键包含字符串'Homework1 '的对象，然后对这些对象中的每一个执行操作。
At appropriate places throughout the code, the programmer writes program logic to test whether the current user is authorized to perform an operation.
在整个代码中的适当地方，程序员编写程序逻辑来测试当前用户是否有权执行某个操作。
Although you can have an add-in task perform an operation and quit, typically add-in tasks are used for operations that need to be performed periodically.
尽管可以让插件任务(add - in task)执行某一项操作并退出，但插件任务通常用于需要定期执行的操作。
This enables you to perform an operation for each object in the partition that you are interested in and return a collection of results back to the client.
这允许您对感兴趣的分区中的每个对象执行一项操作，并向客户机返回结果集。
Reduce knowledge. You can use custom interactions to limit the number of ways to perform an operation and the amount of knowledge required to perform a task.
减少知识量应用你可使用自定义交互动作来限制执行操作的步骤数量和执行任务所需的知识量。
If a wrapper function needs to record or take note of an action, or needs to query the pseudo database, it USES the pseudo_client_op function to perform an operation.
如果包装器函数需要记录一个动作，或者需要查询pseudo数据库，它将使用pseudo_client _ op函数来执行操作。
Page design has two major goals: to bring together all the functionality needed to perform an operation and to present all the information necessary to make that operation easy and intuitive.
页面设计有两个主要目的：将执行操作所需的功能全部整合在一起，并且呈现能使该操作简单直观所需的所有信息。
If you encounter an error, even simple behaviour such as printing an error message suddenly becomes problematic because you might not have the memory to perform the operation.
如果遇到错误，即便简单的行为，如打印一条错误消息，都会突然变得困难重重，因为您可能没有内存来执行这些操作。
On the client side, before sending an HTTP request, first send an HTTP OPTIONS request to check if the operation you want to perform is supported by the server.
在客户端，在发送HTTP请求之前，先发送一个HTTPOPTION请求检查服务器端是否支持你要执行的操作。
The operation of the service broker, the selection of an underlying service provider, and any other processes that the intermediary wishes to perform are completely transparent to the client.
服务代理的操作、基础服务提供者的选择以及中间层要执行的其他过程都完全对客户机透明。
The CDB contains an operation code defining the particular operation to perform and a number of operation-specific parameters.
CDB包含了用来定义要执行的特定操作的操作代码，以及大量特定于操作的参数。
The CDT offers an easy way to perform this operation using the Import wizard to copy files from a file system directory into the Workbench.
CDT为执行这一操作提供了一种便捷的方法：即使用Import向导，将文件从文件系统目录复制到工作台。
Consider the question: Does the appearance of an assertion twice mean that the infrastructure should perform the operation defined by this assertion twice?
考虑如下问题：断言出现2次是否意味着基础架构要将断言定义的操作执行2次？
Now suppose you have to perform an 'EQUI-JOIN' operation on all the three tables.
现在假设要在这3个表上执行一个'EQUI - JOIN'操作。
But before we do, this, we will demonstrate the ability of being able to disconnect from the database to perform an offline join operation.
但是在这样做之前，我们先来演示一下断开与数据库的连接然后执行离线连接操作的能力。
Since this feature enhances INSERT performance, it can also benefit utilities that perform this operation as well, like using the IMPORT utility to populate an MDC table.
由于该特性提高了INSERT的性能，所以它还有利于执行这种操作的实用程序，例如使用IMPORT实用程序来填充mdc表。
If the character is an operator, pop two operands, perform the appropriate operation, and then push the result onto the stack.
如果字符是个操作符，弹出两个操作数，执行恰当操作，然后把结果压入堆栈。
If the character is an operator, pop two operands, perform the appropriate operation, and then push the result onto the stack.
如果字符是个操作符，弹出两个操作数，执行恰当操作，然后把结果压入堆栈。
应用推荐