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When to use single quotes, double quotes, and backticks in MySQL

...ng query will produce different results (or errors) depending on SQL mode: SELECT "column" FROM table WHERE foo = "bar" ANSI_QUOTES disabled The query will select the string literal "column" where column foo is equal to string "bar" ANSI_QUOTES enabled The query will select the column column where ...
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The name 'InitializeComponent' does not exist in the current context

If I create a new project in Visual Studio 2010 SP1 and select "WPF Application" and tries to build the generated application, I get the error ...
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How to scroll to top of long ScrollView layout?

... This also has the advantage over fullScroll() in that it keeps the selected item still selected after the move. With fullScroll(), the first item in the scrollview was reselected each time in my case, independent of the selected item before the scroll moved upwards. – ...
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Fixing “Lock wait timeout exceeded; try restarting transaction” for a 'stuck" Mysql table?

... You can check the currently running transactions with SELECT * FROM `information_schema`.`innodb_trx` ORDER BY `trx_started` Your transaction should be one of the first, because it's the oldest in the list. Now just take the value from trx_mysql_thread_id and send it the KILL ...
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sql “LIKE” equivalent in django query

... = table.objects.filter(string__contains='pattern') The SQL equivalent is SELECT ... WHERE string LIKE '%pattern%'; share | improve this answer | follow | ...
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Visual Studio refuses to forget breakpoints?

... Try this select the Breakpoints toolbar item from the Debug toolbar. This brings up the Breakpoints window. From this window, you can view all breakpoints in the application. Here, you select and clear the breakpoint by clicking the D...
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How can you represent inheritance in a database?

...is is how you would have to query all the policies regardless of the type: SELECT date_issued, other_common_fields, 'MOTOR' AS type FROM policies_motor UNION ALL SELECT date_issued, other_common_fields, 'PROPERTY' AS type FROM policies_property; Note how adding new subtypes woul...
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Delete all the queues from RabbitMQ?

...oto Policies tab(on the right side) Add Policy Fill Fields Virtual Host: Select Name: Expire All Policies(Delete Later) Pattern: .* Apply to: Queues Definition: expires with value 1 (change type from String to Number) Save Checkout Queues tab again All Queues must be deleted And don't forget remo...
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How can I change my default database in SQL Server without using MS SQL Server Management Studio?

...nagement Studio by using the 'options' button in the connection dialog and selecting 'master' as the database to connect to. However, whenever I try to do anything in object explorer, it tries to connect using my default database and fails. ...
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List of ANSI color escape sequences

... The ANSI escape sequences you're looking for are the Select Graphic Rendition subset. All of these have the form \033[XXXm where XXX is a series of semicolon-separated parameters. To say, make text red, bold, and underlined (we'll discuss many other options below) in C you mig...