大约有 47,000 项符合查询结果(耗时:0.0346秒) [XML]

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Core dump file analysis [duplicate]

...ber (replacing number with the corresponding number in the stack trace) to select a particular stack frame. You can then use list to see code around that function, and info locals to see the local variables. You can also use print name_of_variable (replacing "name_of_variable" with a variable name)...
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How to get duplicate items from a list using LINQ? [duplicate]

... var duplicates = lst.GroupBy(s => s) .SelectMany(grp => grp.Skip(1)); Note that this will return all duplicates, so if you only want to know which items are duplicated in the source list, you could apply Distinct to the resulting sequence or use the solution...
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Drop multiple tables in one shot in mysql

... of tables to be deleted. Get table using the below For sql server - SELECT CONCAT(name,',') Table_Name FROM SYS.tables; For oralce - SELECT CONCAT(TABLE_NAME,',') FROM SYS.ALL_TABLES; Copy and paste the table names from the result set and paste it after the DROP command. ...
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How to sort an IEnumerable

...r var result = from s in myEnumerable orderby s select s; or (ignoring case) var result = myEnumerable.OrderBy(s => s, StringComparer.CurrentCultureIgnoreCase); Note that, as is usual with LINQ, this creates a new IEnumerable<T&...
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MySQL: Order by field size/length

... SELECT * FROM TEST ORDER BY LENGTH(description) DESC; The LENGTH function gives the length of string in bytes. If you want to count (multi-byte) characters, use the CHAR_LENGTH function instead: SELECT * FROM TEST ORDER BY...
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Unable to read data from the transport connection : An existing connection was forcibly closed by th

...Edit System.Net.ServicePointManager.SecurityProtocol - This property selects the version of the Secure Sockets Layer (SSL) or Transport Layer Security (TLS) protocol to use for new connections that use the Secure Hypertext Transfer Protocol (HTTPS) scheme only; existing connections are n...
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How to have TFS 2010 detect changes done to files outside of Visual Studio?

...rol Explorer Right-click on the folder with the changes and choose Compare Select the files you want to reconcile (press CTRL+A to select all files) Click on the Reconcile button Set the options in the Reconcile Folder Differences dialog. Make sure Files that do not have pending changes is set to Ch...
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Differences between MySQL and SQL Server [closed]

...mplementations. For example, take a look at the top-n section. In MySQL: SELECT age FROM person ORDER BY age ASC LIMIT 1 OFFSET 2 In SQL Server (T-SQL): SELECT TOP 3 WITH TIES * FROM person ORDER BY age ASC share ...
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Xcode 4 - “Valid signing identity not found” error on provisioning profiles on a new Macintosh insta

...machine, launch Xcode and do this: Open the Organizer (Shift-Command-2). Select the Devices tab. Choose Developer Profile in the upper-left corner under LIBRARY, which may be under the heading library or under a heading called TEAMS. Choose Export near the bottom left side of the window. Xcode as...
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How to make join queries using Sequelize on Node.js

...id'}) Post.find({ where: { ...}, include: [User]}) Which will give you SELECT `posts`.*, `users`.`username` AS `users.username`, `users`.`email` AS `users.email`, `users`.`password` AS `users.password`, `users`.`sex` AS `users.sex`, `users`.`day_birth` AS `users.day_birth`, `users`.`mo...