大约有 43,000 项符合查询结果(耗时:0.0521秒) [XML]

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Give all the permissions to a user on a DB

...%', ( -- use instead of EXECUTE to see generated commands EXECUTE ( SELECT string_agg(format('GRANT USAGE ON SCHEMA %I TO my_user', nspname), '; ') FROM pg_namespace WHERE nspname <> 'information_schema' -- exclude information schema and ... AND nspname NOT LIKE 'pg\_%' ...
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How can I tell how many objects I've stored in an S3 bucket?

... @G-. What if you select all of the bucket's folders? – gvasquez Feb 9 '18 at 17:03 4 ...
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Easiest way to upgrade eclipse 3.7 to 4.2 (Juno)

... is basically an "Eclipse without plugins". Run it (on a fresh workspace), select File -> Import -> Installation -> From existing Installation and point the wizard to your existing 3.7 directory. Check "Install latest versions", hit finish. That will install the latest versions of the plug...
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How to get disk capacity and free space of remote computer

...t Win32_LogicalDisk -ComputerName remotecomputer -Filter "DeviceID='C:'" | Select-Object Size,FreeSpace $disk.Size $disk.FreeSpace To extract the values only and assign them to a variable: $disk = Get-WmiObject Win32_LogicalDisk -ComputerName remotecomputer -Filter "DeviceID='C:'" | Foreach-Obje...
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Extract elements of list at odd positions

...he first element (at position 0, because the indexes are 0-based) would be selected. In this case the second element will be selected. Because the second element is omitted, the default is being used (the end of the list). So the list is being iterated from the second element to the end. We also p...
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How to have an automatic timestamp in SQLite?

....200'); INSERT INTO my_table(name) VALUES('test3'); This is the result: SELECT * FROM my_table; share | improve this answer | follow | ...
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How do I create a parameterized SQL query? Why Should I?

...ion GetBarFooByBaz(ByVal Baz As String) As String Dim sql As String = "SELECT foo FROM bar WHERE baz= @Baz" Using cn As New SqlConnection("Your connection string here"), _ cmd As New SqlCommand(sql, cn) cmd.Parameters.Add("@Baz", SqlDbType.VarChar, 50).Value = Baz R...
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Looking for jQuery find(..) method that includes the current node

... For jQuery 1.8 and up, you can use .addBack(). It takes a selector so you don't need to filter the result: object.find('selector').addBack('selector') Prior to jQuery 1.8 you were stuck with .andSelf(), (now deprecated and removed) which then needed filtering: object.find('sele...
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How to make a JTable non-editable

...(int,int) which takes rowIndex and coulmnIndex as parameters. The user can selectively enable/disable editing for a particular row/column by overriding "isCellEditable" method or can use the default implementation to disable editing for all cells. – sateesh Jan...
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Running multiple async tasks and waiting for them all to complete

...; sequence, Func<T, Task> action) { return Task.WhenAll(sequence.Select(action)); } Call it like this: await sequence.ForEachAsync(item => item.SomethingAsync(blah)); Or with an async lambda: await sequence.ForEachAsync(async item => { var more = await GetMoreAsync(item); ...