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Fix code indentation in Xcode

... Before Xcode 9 (for Xcode 9 see default shortcut below) select text right-click there's a "Re-indent selection" item in popup menu In XCode 4 there is one more step: select text right-click Click on "Structure" there's a "Re-indent selection" and other options in popup men...
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Access denied for user 'root'@'localhost' while attempting to grant privileges. How do I grant privi

...here ... Now, what's missing then ? On my system, I get this: mysql> select version(); +------------+ | version() | +------------+ | 5.5.21-log | +------------+ 1 row in set (0.00 sec) mysql> SHOW GRANTS FOR 'root'@'localhost'; +------------------------------------------------------------...
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Could not load file or assembly … An attempt was made to load a program with an incorrect format (Sy

... 32-Bit Applications. Steps Open IIS Manager Click on Application Pools Select whatever application pool you are using From right pane, click Advanced Settings... Set Enable 32-Bit Applications to True share ...
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Permission denied (publickey) when SSH Access to Amazon EC2 instance [closed]

...these steps: Access to AWS Management Console Open Elastic Beanstalk Tab Select your application from All Applications Tab From left side menù select Configuration Click on the Instances Gear In Server Form check the EC2 Key Pair input and select your new Key Pair. You may have to refresh the lis...
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How to find foreign key dependencies in SQL Server?

...rted. It lists all Foreign Key Relationships within the current database. SELECT FK_Table = FK.TABLE_NAME, FK_Column = CU.COLUMN_NAME, PK_Table = PK.TABLE_NAME, PK_Column = PT.COLUMN_NAME, Constraint_Name = C.CONSTRAINT_NAME FROM INFORMATION_SCHEMA.REFERENTIAL_CONSTRAINTS C ...
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When should I use semicolons in SQL Server?

...llowing two queries (copied from this post): BEGIN TRY BEGIN TRAN SELECT 1/0 AS CauseAnException COMMIT END TRY BEGIN CATCH SELECT ERROR_MESSAGE() THROW END CATCH BEGIN TRY BEGIN TRAN SELECT 1/0 AS CauseAnException; COMMIT END TRY BEGIN CATCH SELECT ERROR_MES...
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Group query results by month and year in postgresql

... select to_char(date,'Mon') as mon, extract(year from date) as yyyy, sum("Sales") as "Sales" from yourtable group by 1,2 At the request of Radu, I will explain that query: to_char(date,'Mon') as mon, : convert...
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MIN/MAX vs ORDER BY and LIMIT

...oks like MIN() is able to simply pluck the smallest value from the index ('Select tables optimized away' and 'NULL' rows) whereas the SORT and LIMIT still needs needs to do an ordered traversal of the index (106,000 rows). The actual performance impact is probably negligible. It looks like MIN() i...
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How to “add existing frameworks” in Xcode 4?

... As per Apple's documentation: In the project navigator, select your project. Select your target. Select the "Build Phases" tab. Open "Link Binaries With Libraries" expander. Click the + button. Select your framework. (optional) Drag and drop the added framework to the "Framework...
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-didSelectRowAtIndexPath: not being called

...de a tab view. In my UITableViewController , I implemented -tableView:didSelectRowAtIndexPath: , but when I select a row at runtime, the method isn't being called. The table view is being populated though, so I know that other tableView methods in my controller are being called. ...