大约有 8,000 项符合查询结果(耗时:0.0370秒) [XML]

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Retrieve the maximum length of a VARCHAR column in SQL Server

...f LEN SELECT MAX(LENGTH(Desc)) FROM table_name Also, DESC is a reserved word. Although many reserved words will still work for column names in many circumstances it is bad practice to do so, and can cause issues in some circumstances. They are reserved for a reason. If the word Desc was just b...
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What does placing a @ in front of a C# variable name do? [duplicate]

... It's just a way to allow declaring reserved keywords as vars. void Foo(int @string) share | improve this answer | follow | ...
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How do I escape reserved words used as column names? MySQL/Create Table

...roblem is a class may have a field name key which is a reserved MySQL keyword. How do I escape it in a create table statement? (Note: The other problem below is text must be a fixed size to be indexed/unique) ...
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Does JSON syntax allow duplicate keys in an object?

... context SHOULD must be understood as specified in BCP 14: SHOULD This word, or the adjective "RECOMMENDED", mean that there may exist valid reasons in particular circumstances to ignore a particular item, but the full implications must be understood and carefully weighed before choosing a...
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Convert string to title case with JavaScript

... \w\S* is used instead of \w+ or \w* so that words like Don't don't get modified to Don'T, but as others have pointed out \w\S* causes issues with hyphenated words. – doubleDown Feb 1 '17 at 14:59 ...
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服务器保持大量TIME_WAIT和CLOSE_WAIT的解决方法 - C/C++ - 清泛网 - 专注C/C++及内核技术

...时间,但是有这么多状态要维护总是不好。 HTTP协议1.1规定default行为是Keep-Alive,也就是会重用TCP连接传输多个 request/response,一个主要原因就是发现了这个问题。 也就是说HTTP的交互跟上面画的那个图是不一样的,关闭连...
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Regex: Specify “space or start of string” and “space or end of string”

... You can use any of the following: \b #A word break and will work for both spaces and end of lines. (^|\s) #the | means or. () is a capturing group. /\b(stackoverflow)\b/ Also, if you don't want to include the space in your match, you can use lookbehind/aheads...
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Cross-browser multi-line text overflow with ellipsis appended within a fixed width and height

...(/\W*\s(\S)*$/, '...'); }); } It repeatedly tries to remove the last word of the text until it reaches the desired size. Because of the overflow: hidden; the process remains invisible and even with JS turned off the result remains 'visually correct' (without the "..." of course). If you combi...
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What is the difference between a map and a dictionary?

...isp, it might look like this: (a (n (d t)) n d ) Which encapsulates the words: a and ant an ad The traversal from the top to the leaf yields a word. share | improve this answer |...
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Make the first character Uppercase in CSS

...e { text-transform: capitalize; } If your links can contain multiple words and you only want the first letter of the first word to be uppercase, use :first-letter with a different transform instead (although it doesn't really matter). Note that in order for :first-letter to work your a elemen...