C#Windows摄像头列表获取
Is 0x9B (155decimal) a special control character? Why is it missing from ascii tables?
I\'m working on an embedded system, and i\'m having dramas getting it to send a certain chunk of data across the serial port. I narrowed it down and found that if a 0x9B is present in the message, it[详细]
2022-12-27 12:17 分类：问答How to target CSS for iPad but exclude Safari 4 desktop using a media query?
I am trying to use a media rule to target CSS to iPad only. I want to exclude iPhone/iPod and desktop browsers. I would like to to also exclude other mobile devices if possible.[详细]
2022-12-27 08:48 分类：问答memcached: which is faster, doing an add (and checking result), or doing a get (and set when returning false)
The title of this question isn\'t so clear, but the code and question is straightforward. Let\'s say I want to show my users an ad once per day. To accomplish this, every time they visit a page on m[详细]
2022-12-27 08:45 分类：问答Oracle - Return shortest string value in a set of rows
I\'m trying to write a query that returns the shortest string value in the column. For ex: if Column开发者_如何学PythonA has values ABCDE, ZXDR, ERC, the query should return \"ERC\". I\'ve written the[详细]
2022-12-27 07:38 分类：问答how to sort string as number in datagridview in winforms
I have string column with numbers in a datagridview.It is not bound, I would like to sort it number wise I used[详细]
2022-12-27 06:43 分类：问答Reuse a Variable Multiple Times on an ASP.NET Page
I feel somewhat foolish asking such a simple question, but I can\'t seem to find an answer. I\'m new to ASP.NET (C#), but I\'m learning by building a simple set of web pages that display a report. I h[详细]
2022-12-27 04:53 分类：问答Setting ModelView matrix using rotate, translate, etc.. vs setting manual matrix
When setting the ModelView matrix you normally go through several transformations from the identity matrix. for example:[详细]
2022-12-27 04:16 分类：问答DOT(.) after Ampersand (host variable)& considering as a part of variable name?
I know heading is not so clear.This isthe picture I am using &a开发者_StackOverflowmp;a it is considering it as $a. ,in the output &a and &a. is giving the same output. and why single .(DOT)[详细]
2022-12-27 03:28 分类：问答What is the best practice for secure connection to SQL Server 2008 from .net 4.0?
What is the best practice and most secure solution when connecting from a .NET 4.0 application to SQL Server in 2008?[详细]
2022-12-27 02:36 分类：问答Mysql storing quotes as '
I 开发者_运维知识库have some PHP code which stores whatever is typed in a textbox in the databse. If I type in bob\'s apples, it gets stored in the database as bob's apples.[详细]
2022-12-27 01:42 分类：问答
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