通用产品代码符号，亦称“条形码”，印在出售的商品上，其中含有计算机能识别的信息。
The Universal Product Code symbol, also known as the 'bar code', is printed on products for sale and contains information that a computer can read.
研究产品代码中的内存问题。
我们可能想要对产品代码执行错误校验。
We might want to perform error checking for production code.
请检查您的产品代码并再次键入它。
产品代码和套件代码是不同的属性。
这不是一个有效的产品代码。
条码扫描器扫描产品代码完美部件包。
在实际开始编写产品代码之前，我们需要编写单元测试。
Before writing any production code, we'd write our unit tests.
上面中的第一个在产品代码处于某种库控制形式时相对容易获得。
The first of these is relatively easy to obtain when the product code is under some form of library control.
这些类型的测试提供了模拟的客户环境中的产品代码稳定性置信度。
These types of tests provided confidence of the stability of the product code in simulated customer environments.
不管是对于应用程序还是对于产品代码本身，变更管理的过程都相当成熟。
The process of managing changes to an application or to the product code itself is quite mature.
虽然在调试时这是一个不错的想法，但是您可能并不希望在产品代码中这样使用。
This is a great idea when debugging, but you probably won't want to use it in production code.
两种最常用的条码是美国的“环球产品代码”和“欧洲货物号码”。
The two most common types are the American UPC and the EAN .
UPC - A通用产品代码，广泛用于加拿大和美国，用于跟踪商店中的交易物品。
UPC-A the Universal Product Code that is widely used in Canada and the United States for tracking trade items in stores.
通过我们的设计工件，可以直接进入为系统作概念证明编码，或者编写产品代码的阶段。
With our design artifacts, we can move directly into coding a proof-of-concept, or writing the production code for our system.
另一方面，这种技术仍然需要在手机键盘上输入产品代码，至少是客户直接通过手机购物时。
The other catch is that it still requires product codes to be keyed in, at least when the customer is buying directly over the phone.
它们都典型地使用被测代码的某种形式的装置，这将钩子(hooks)加入了产品代码中。
They all typically use some form of instrumentation of the code under test, which inserts hooks into the product code.
在写完“红色”(无法通过测试)的单元测试代码之前，不允许写任何的产品代码。
You are not allowed to write any production code unless it is to make a failing unit test pass.
在产品代码中，您将不会希望有这样的选择；但对于早期的测试，就象我所做的这些，是很有帮助。
In production code, you would not want that; but for early testing, something like what I do is helpful.
自动翻译和国际通用代码（如行业代码与产品代码）的使用是解决上述问题的关键技术。
Auto translation and using the popular code, such as NACE code and HS code, are the key technologic problems.
我们在做任何事情时(无论是写测试、写产品代码还是重构)，都要保证系统能够一直运行。
In everything we do, whether writing tests, writing production code, or refactoring, we keep the system executing at all times.
如果产品代码无需实例化该合作者的多个类型，那么添加该功能将使最终的设计不必要地变得难于理解。
If production code has no need to instantiate many types of this collaborator, then adding that ability will make the resulting design needlessly hard to understand.
二十年后Woodland继续协助设计通用产品代码系统，今天这个系统已经是无处不在。
Two decades later Woodland went on to help devise the UPC system in universal use today.
连续生产时，在最终批号确定前，可以将产品代码、日期和时间结合起来作为唯一的识别符。
In continuous production, the product code together with the date and time can serve as the unique identifier until the final number is allocated.
在重写产品代码的时候，我们用了同样的办法：在几周的时间里，每碰到一点代码，就重写一点。
We took the same approach when converting the main code: over a number of weeks, as we touched a bit of code, we converted it.
engestrom称Thinglink成立于2005，公司通过产品代码(唯一标识)赋予物品身份。
Engestrom said that Thinglink began in 2005 by giving things identities via their product codes, A.K.A. Unique Identifiers.
实现上述示例的一种方法是提供一个带有所有有效产品代码及其说明的下拉列表供用户选择，如图4 所示。
One way to achieve the above example is to display a drop-down with a list of all the eligible product codes and a description for the user to select, as shown in Figure 4.
实现上述示例的一种方法是提供一个带有所有有效产品代码及其说明的下拉列表供用户选择，如图4 所示。
One way to achieve the above example is to display a drop-down with a list of all the eligible product codes and a description for the user to select, as shown in Figure 4.
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