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编程备忘单 - HTML＆CSS，Java，JavaScript，C ++，C＃，SQL等！
Beginner and intermediate tutorials.
编程语言讨论论坛C，C ++，Java，C＃，Python，Ruby，装配等等！
Great tutorials for less common subjects, like XML.
女孩发展它是一个非营利性组织，以为有兴趣学习网络和软件开发的妇女提供经济实惠和判断的机会。通过个人课程和社区支持，女孩发展它有助于妇女不同背景实现他们的技术目标并对其职业生涯的信心和他们的日常生活。
This website is great for projects and professional development.
Powerful collaboration, code review, and code management for open source and private projects.
A list of resources on how to study and write for Computer Science.
Learn Python, Ruby, C, and SQL programming.
TechNet is the home for all resources and tools designed to help IT professionals succeed with Microsoft products and technologies.
Raptor是一个基于流程图的编程环境，专为帮助学生可视化其算法并避免句法行李。通过通过流程图追踪执行，在视觉上并在视觉上进行猛禽程序。所需的语法保持最小。学生更喜欢使用流程图来表达他们的算法，并且在使用猛禽的创建算法中更成功，而不是使用没有猛禽的传统语言或写入流程图。
Stack Overflow is a language-independent collaboratively edited question and answer site for programmers
Interactive SQL tutorial
The biggest online tutorials library. It's all free.
VirtualBox是一个用于X86硬件的通用完整Virtualizer，针对服务器，桌面和嵌入式使用。
Boolean Operators连接逻辑检索关键词或概念relevant articles, books, and other resources. There are three Boolean Operators:
UsingAND
Example: The result list will include resources that include both keywords -- "distracted driving" and "texting" -- in the same article or resource, represented in the shaded area where the circles intersect (area shaded in purple).
UsingOR
Example: The result list will include resources that include the keyword "texting" OR the keyword "cell phone" (entire area shaded in blue); either is acceptable.
Using不是
Example: The result list will include all resources that includes the term "car" (green area) but will exclude any resource that includes the term "motorcycle" (purple area) even though the term car may be present in the resource.
A library database searches for keywords throughout the entire resource record including the full-text of the resource, subject headings, tags, bibliographic information, etc.
关键词:
示例：开发了上面的关键字列表，以找到讨论如何在驾驶事故时发短信的资源。请注意有synonyms(texting and "text messaging"),相关条文("cell phones" and texting), andspelling variations（“手机”和手机）。Using keywords when searching full-text requires consideration of various words that express an idea or concept.
主题Headings
Example 1: In EBSCO's Academic Search Complete, clicking on the "Subject Terms" tab provides access to the entire subject heading list used in the database. It also allows a search for specific subject terms.
Example 2: A subject term can be incorporated into a keyword search by clicking on the down arrow next to "Select a Field" and selecting "Subject Terms" from the dropdown list. Also, notice how subject headings are listed below the title of the resource providing another strategy for discovering subject headings used in the database.
When a search term is more than one word,enclose the phrase in quotation marksto retrieve more precise and accurate results. Using quotation marks around a term will search it as a "chunk," searching for those particular words together in that order within the text of a resource.
Examples:
"cell phone"
“驾驶分心”
“车祸”
TIP: In some databases, neglecting to enclose phrases in quotation marks will insert the AND Boolean connector between each word resulting in unintended search results.
Truncationprovides an option to search for a root of a keyword in order to retrieve resources that include variations of that word. This feature can be used to broaden search results, although some results may not be relevant. To truncate a keyword, type an asterisk (*) following the root of the word.
为example:
Library databases provide a variety of tools to limit and refine search results.限制器provide the ability to limit search results to resources having specified characteristics including:
In both the EBSCO and ProQuest databases, the limiting tools are located in the left panel of the results page.
EBSCO ProQuest
下面的短视频提供了如何使用限制器来优化搜索结果列表的演示。
Each resource in a library database is stored in a record. In addition to the full-text of the resources, searchableFieldsare attached that typically include:
IncorporatingFieldsinto your search can assist in focusing and refining search results by limiting the results to those resources that include specific information in a particular field.
In both EBSCO and ProQuest databases, selecting the高级搜索option will allow Fields to be included in a search.
例如,在EBSC高级搜索选项O's Academic Search Complete database, clicking on the down arrow next to "Select a Field" provides a list of fields that can be searched within that database. Select the field and enter the information in the text box to the left to use this feature.
停止单词are short, commonly used words--articles, prepositions, and pronouns-- that are automatically dropped from a search. Typical stop words include:
在图书馆数据库中，即使包含在引号中包含的短语中，也不会搜索停止单词。在某些情况下，一个单词将被替换为停止字来允许在资源的文本中彼此彼此进行搜索中的短语中的另一个单词。
例如，如果您搜索美国公司，your result list will include these variatons:
This short video demonstrates how to create a search string -- keywords connected with Boolean operators -- to use in a library database search to retrieve relevant resources for any research assignment.
