Hello world! Therefore, we have met the requirement a programming language book must start with a "hello world" program.
这样，我们已经满足了一本编程语言书籍必须以一个“hello world”程序开始的基本要求。
Let's look at a slightly larger example, just to show you how you can apply some of the programming principles you already know and write a useful program in a short time.
让我们来看看一个稍微大些的实例，仅仅向您展示您如何能够应用一些您已经知道的程序设计原则，以及在短时间内写出有用的程序。
Not many programming languages enable you to create such a complex GUI program in so few lines of code.
允许您使用这么少的代码行创建如此复杂的GUI程序的编程语言并不多见。
In the programming language context, metadata is additional information attached to program elements such as methods, fields, classes, and packages.
在编程语言上下文中，元数据是添加到程序元素如方法、字段、类和包上的额外信息。
The filters are actually open source program code written in LISP, one of the first programming languages ever created.
过滤器实际上是使用LISP编写的一种开源程序代码，LISP是最先创建的编程语言之一。
To describe this conundrum he distinguishes between two types of software: the program, and the programming product.
为描述这个难题，他区别两种类型的软件：程序和编程产品。
When approaching a regular expression, treat it as its own programming problem, even though only one or two lines of code may be involved; those lines effectively form a small program.
当处理规则表达式时，将它作为它自己的编程问题来处理，即使只涉及一或两行代码；这些行有效地构成了一个小程序。
It takes your program from an interesting programming exercise to a reusable tool, and that's a pretty important distinction.
它将您的程序从有趣的编程体验转变为一个可重用的工具，这是一个非常重要的特性。
Their effective use is also dependent on applying the correct programming idioms; it's critical that you understand how these classes are implemented and how to program to them.
能否有效地使用它们还取决于是否应用了正确的编程风格；关键在于您要理解这些类是如何实现的以及如何对它们进行编程。
That means that given enough memory, it can calculate anything a program written in any other programming language can calculate.
这也就意味着，给定足够的内存，它可以计算以其他任何编程语言编写的程序能够计算的内容。
As this column's installments on functional programming have observed, the recipe style of program flow is comparatively error-prone and difficult to maintain.
正如本专栏关于函数型编程的部分文章中所评述的，程序流的方法风格相对来说容易出错并且难以维护。
Using metadata in AOP programming limits the coupling between classes and aspects only to the metadata attached to the program elements.
在AOP编程中使用元数据将类与方面之间的耦合限制为附加在程序元素上的元数据。
A primary concern in multithreaded programming is to make sure the program runs correctly — thread safe — in a system where multiple threads are executing.
多线程编程中的一个主要考虑是确保程序在执行多线程的系统中正确地——线程安全地——运行。
Taking the holistic view helps sharpen your intuition about the programming process and enables you to stand back from a program and say, “I understand what this program does.
用全局观训练你对程序整体过程的把握，这也使你能够跳出程序之外清楚地说出“我理解这个程序需要做的事情。”
If you're describing how to program GUI applications, your topics can draw on elements from both the programming and UI domains.
如果您在描述如何编写GUI应用程序，那么您的主题可以利用来自编程和ui域的元素。
A programming product requires taking a program and adding a number of additional items.
编程产品需要采用一个程序并添加许多附加项。
I found out that I really enjoyed programming, and, while some people struggled with it, I usually finished my program and added additional features to it beyond the requirements.
编程对我来说是种乐趣。当别人还在痛苦地做编程作业的时候，我已经完成了我的程序并且还加上了不少作业要求以外的功能。
Now that you know the fundamentals of parallel programming platforms and have a cluster ready, let's write a program that makes good use of the cluster.
现在我们已经了解了并行编程平台的基础知识，并且准备好了一个集群，接下来就要编写一个可以很好地利用这个集群的程序。
This program has no programming capability built in and is intended to be used as a simple symbolic math calculator.
此程序没有内置的编程功能，旨在用作简单的符号数学计算器。
This allows MPS to verify program code on the fly to make programming with the new language less error-prone.
MPS凭借这些规则即时检查程序代码，减少用新语言编程的出错机会。
If you learned to program before 1997, chances are that the first programming language you learned didn't provide transparent garbage collection.
如果您是在1997年之前开始学习编程，那么可能您学习的第一种编程语言没有提供透明的垃圾收集。
Get the Degree: a program in software engineering or computer science can help you learn the networking and programming basics to hold your own in this high-tech career.
应读专业：软件工程或计算机科学专业的课程可以帮助你学到计算机网络和编程的基础，让你在这个高科技的职业道路上占领一席之地。
For years now, software developers have been hearing about how concurrent programming was going to become the DE facto way to program.
多年来，软件开发人员早已了解到并发编程如何成为实际的编程方法。
The functional programming language known as Haskell features a program for symbolic mathematics known as DoCon.
称作Haskell的函数式编程语言展示了一个用于符号数学的程序，名为DoCon。
Processing is an open source programming language and environment for people who want to program images, animation, and interactions.
Processing是一个开源编程语言和环境，提供了对图片、动画和交互进行编程的功能。
This article will not teach you how to write Perl, but it will show you how to turn a Perl program into a far more robust programming project.
本文不是教您如何编写Perl，而是向您演示如何将Perl程序转换成更为健壮的编程项目。
Brooks theorizes that creating a programming product requires at least thee times more effort than creating a program.
Brooks从理论上指出创建编程产品至少需要付出三倍于创建程序的工作。
Therefore, we have met the requirement a programming language book must start with a "hello world" program.
这样，我们已经满足了一本编程语言书籍必须以一个“hello world”程序开始的基本要求。
JNI's flexibility and power introduce the risk of programming practices that can lead to poor performance, bugs, and even program crashes.
JNI的灵活性和强大性带来了一些编程实践上的风险，比如导致性能较差、出现bug甚至程序崩溃。
One alternate to object-oriented programming is functional programming, and Python offers resources to program in a functional style, as well as object oriented and procedural.
面向对象的编程的替代方案是函数式编程，并且Python提供了用于进行函数式以及面向对象和过程式编程的资源。
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