delimiter

简明释义

英[dɪˈlɪmɪtə(r)]美[dɪˈlɪmɪtər]

n. [计] 定界符

英英释义

单词用法

同义词

反义词

例句

1.There is no delimiter character placed between each record.

每个记录之间没有放置分隔符。

2.Appends a closing comment delimiter after the cursor.

将一个结束注释分隔符添加到光标之后。

3.D — Allows you to specify a delimiter other than the TAB.

d——允许我们指定其他分隔符，而不是制表符。

4.The delimiter character, in this case colon (:).

分隔符字符，在本例中为冒号(：)。

5.Have an explicit delimiter and escape options?

有明确的分隔符和转义选项可供使用。

6.A delimiter character can be specified in the delimiter table option.

可以在delimiter表选项中指定分隔符。

7.In programming, a comma is often used as a 分隔符 to separate values in a list.

在编程中，逗号通常用作 分隔符 来分隔列表中的值。

8.When parsing a CSV file, the 分隔符 indicates where one value ends and another begins.

在解析CSV文件时，分隔符 指示一个值结束和另一个值开始的位置。

9.In SQL queries, the semicolon acts as a 分隔符 to separate multiple statements.

在SQL查询中，分号充当 分隔符 来分隔多个语句。

10.The pipe character is commonly used as a 分隔符 in command-line interfaces.

管道字符在命令行界面中常用作 分隔符 。

11.In a JSON file, commas serve as 分隔符 between key-value pairs.

在JSON文件中，逗号作为键值对之间的 分隔符 。

作文

In the world of programming and data processing, understanding the concept of a delimiter is crucial for anyone who works with text or data files. A delimiter is a character or sequence of characters that is used to separate distinct pieces of data within a file or a string. For instance, in a CSV (Comma-Separated Values) file, the comma acts as a delimiter, allowing software to distinguish between different fields of data. This simple yet powerful tool enables efficient data parsing and manipulation, making it a fundamental aspect of data handling. Consider a scenario where you have a list of names and their corresponding ages stored in a text file. Each entry might look like this: "John Doe, 30". In this example, the comma serves as a delimiter that separates the name from the age. When a program reads this file, it uses the delimiter to identify where one piece of information ends and another begins. Without a proper delimiter, the program would struggle to interpret the data correctly, leading to errors and inefficiencies. Moreover, delimiters can take various forms depending on the context. While commas are commonly used, other characters such as tabs, semicolons, or even spaces can also serve as delimiters. The choice of delimiter often depends on the nature of the data being processed. For example, if the data itself contains commas, using a different character, like a semicolon, might be more effective to avoid confusion. Understanding how to choose and implement delimiters is essential for data integrity. When writing a program to read or write data, developers must ensure that the chosen delimiter does not conflict with the actual content of the data. This requires careful planning and consideration of the data format. Additionally, when dealing with user-generated content, the potential for unexpected delimiters increases, necessitating robust error handling and validation mechanisms. In addition to programming, the concept of delimiter extends to various fields such as databases, where they are used to define boundaries in structured queries. In SQL, for example, certain symbols act as delimiters that help separate commands and parameters, ensuring that queries are executed accurately. This highlights the versatility of delimiters across different technologies and applications. Furthermore, the use of delimiters is not limited to technical fields. In everyday language, we often encounter delimiters in written communication. Punctuation marks, such as periods, commas, and colons, serve as delimiters that help clarify meaning and structure in sentences. They guide readers through the text, indicating pauses and separations in thought. This linguistic function mirrors the role of delimiters in programming, emphasizing their importance in both technical and non-technical contexts. In conclusion, the concept of a delimiter is vital in various domains, particularly in programming and data management. Understanding how to effectively use and choose delimiters can greatly enhance data processing efficiency and accuracy. Whether in a CSV file, a database query, or even in written language, delimiters play a key role in organizing and interpreting information. As technology continues to evolve, the significance of delimiters will remain a cornerstone of clear communication and data integrity.

在编程和数据处理的世界中，理解分隔符的概念对于任何与文本或数据文件打交道的人来说都是至关重要的。分隔符是用于分隔文件或字符串中不同数据片段的字符或字符序列。例如，在CSV（逗号分隔值）文件中，逗号充当分隔符，允许软件区分不同的数据字段。这种简单而强大的工具使得数据解析和操作变得高效，是数据处理的基本方面。 考虑一个场景，你有一个存储在文本文件中的名字和相应年龄的列表。每个条目可能看起来像这样：“John Doe, 30”。在这个例子中，逗号充当分隔符，将名字与年龄分开。当程序读取这个文件时，它使用分隔符来识别一条信息的结束和另一条信息的开始。如果没有适当的分隔符，程序将难以正确解释数据，导致错误和低效率。 此外，分隔符可以根据上下文采取各种形式。虽然逗号被广泛使用，但其他字符如制表符、分号甚至空格也可以作为分隔符。分隔符的选择通常取决于所处理数据的性质。例如，如果数据本身包含逗号，使用其他字符，如分号，可能更有效，以避免混淆。 理解如何选择和实现分隔符对数据完整性至关重要。在编写读取或写入数据的程序时，开发人员必须确保所选的分隔符与实际数据内容不冲突。这需要仔细的规划和对数据格式的考虑。此外，在处理用户生成的内容时，意外的分隔符的潜在性增加，这就需要强大的错误处理和验证机制。 除了编程，分隔符的概念还扩展到各种领域，例如数据库，在这些领域中，它们用于定义结构化查询中的边界。例如，在SQL中，某些符号充当分隔符，帮助分隔命令和参数，确保查询准确执行。这突显了分隔符在不同技术和应用中的多功能性。 此外，分隔符的使用不仅限于技术领域。在日常语言中，我们经常在书面交流中遇到分隔符。标点符号，例如句号、逗号和冒号，充当分隔符，帮助阐明句子的意义和结构。它们引导读者通过文本，指示思考中的停顿和分隔。这种语言功能反映了分隔符在编程中的作用，强调了它们在技术和非技术上下文中的重要性。 总之，分隔符的概念在各个领域都是至关重要的，特别是在编程和数据管理中。理解如何有效使用和选择分隔符可以大大提高数据处理的效率和准确性。无论是在CSV文件、数据库查询还是书面语言中，分隔符在组织和解释信息方面都发挥着关键作用。随着技术的不断发展，分隔符的重要性将始终是清晰沟通和数据完整性的基石。