大约有 47,000 项符合查询结果(耗时:0.0534秒) [XML]

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symbol(s) not found for architecture i386

.... To add frameworks, right click on the project name in the project view, select Add, then select Existing frameworks... from the list. Then find the framework with the symbols you're missing. As to how you find which frameworks you need, I've found using google the easiest, though you could proba...
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SQL Server query to find all permissions/access for all users in a database

...s the user/role has on an object. Examples could include CONNECT, EXECUTE, SELECT DELETE, INSERT, ALTER, CONTROL, TAKE OWNERSHIP, VIEW DEFINITION, etc. This value may not be populated for all roles. Some built in roles have implicit permission d...
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What is causing this ActiveRecord::ReadOnlyRecord error?

...s automatically inferred only if :joins was specified without an explicit :select nor an explicit (or finder-scope-inherited) :readonly option (see the implementation of set_readonly_option! in active_record/base.rb for Rails 2.3.4, or the implementation of to_a in active_record/relation.rb and of c...
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List of all index & index columns in SQL Server DB

...lumns. EDIT: This query's getting pretty close to what you're looking for: SELECT TableName = t.name, IndexName = ind.name, IndexId = ind.index_id, ColumnId = ic.index_column_id, ColumnName = col.name, ind.*, ic.*, col.* FROM sys.indexes ind INNER JOI...
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What is the difference between a stored procedure and a view?

...iece of SQL, I would define a view like: CREATE VIEW vw_user_profile AS SELECT A.user_id, B.profile_description FROM tbl_user A LEFT JOIN tbl_profile B ON A.user_id = b.user_id GO Thus, if I want to query profile_description by user_id in the future, all I have to do is: SELECT profile_descr...
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How to sleep for five seconds in a batch file/cmd [duplicate]

...specify the timeout in seconds and the /D parameter to specify the default selection and ignore then selected choice. The one thing that might be an issue is if the user types one of the choice characters before the timeout period elapses. A partial work-around is to obfuscate the situation -- use ...
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Linq to Entities join vs groupjoin

...Join syntax would be from p in Parent join c in Child on p.Id equals c.Id select new { p.Value, c.ChildValue } returning an IEnumerable<X> where X is an anonymous type with two properties, Value and ChildValue. This query syntax uses the Join method under the hood. GroupJoin syntax would be ...
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Convert text into number in MySQL query

... This should work: SELECT field,CONVERT(SUBSTRING_INDEX(field,'-',-1),UNSIGNED INTEGER) AS num FROM table ORDER BY num; share | improve this ...
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Is SQL syntax case sensitive?

... The SQL Keywords are case-insensitive (SELECT, FROM, WHERE, etc), but are often written in all caps. However in some setups table and column names are case-sensitive. MySQL has a configuration option to enable/disable it. Usually case-sensitive table and column na...
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MySQL ERROR 1045 (28000): Access denied for user 'bill'@'localhost' (using password: YES)

...=/tmp/mysql-5.5.sock Welcome to the MySQL monitor (...) mysql> SELECT user, host FROM mysql.user; +------+-----------+ | user | host | +------+-----------+ | bill | % | | root | 127.0.0.1 | | root | ::1 | | root | localhost | +------+---...