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How can I use optional parameters in a T-SQL stored procedure?

...ame varchar(25) = null, @Title varchar(25) = null AS BEGIN SELECT ID, FirstName, LastName, Title FROM tblUsers WHERE (@FirstName IS NULL OR (FirstName = @FirstName)) AND (@LastName IS NULL OR (LastName = @LastName )) AND (@Tit...
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Regex (grep) for multi-line search needed [duplicate]

I'm running a grep to find any *.sql file that has the word select followed by the word customerName followed by the word from . This select statement can span many lines and can contain tabs and newlines. ...
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Unable to export Apple production push SSL certificate in .p12 format

... Turns out all you have to do is select "My Certificates" on the left panel and it enables the .p12 option. share | improve this answer | ...
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How to increase storage for Android Emulator? (INSTALL_FAILED_INSUFFICIENT_STORAGE)

...onfigurations". You can find that in the drop-down under the "debug" icon. Select "target", and select a preferred emulator target to launch. Then under "additional emulator command line options," add this: -partition-size 1024 Then CLOSE the emulator (and remove any devices), and click the debug ...
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How do I convert an interval into a number of hours with postgres?

... Probably the easiest way is: SELECT EXTRACT(epoch FROM my_interval)/3600 share | improve this answer | follow | ...
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乐高机器人®组件 · App Inventor 2 中文网

...() Get the OS version on EV3. KeepAlive(minutes) Keep the EV3 brick from shutdown for a period of time. EV3陀螺仪传感器 A component that provides a high-level interface to a gyro sensor on a LEGO MINDSTORMS EV3 robot. 属性 BluetoothClient Specifies the BluetoothClient com...
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How to check if a column exists in a SQL Server table?

... SQL Server 2005 onwards: IF EXISTS(SELECT 1 FROM sys.columns WHERE Name = N'columnName' AND Object_ID = Object_ID(N'schemaName.tableName')) BEGIN -- Column Exists END Martin Smith's version is shorter: IF COL_LENGTH('schemaName.tabl...
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How does the SQL injection from the “Bobby Tables” XKCD comic work?

..., the parenthesis makes more sense with an INSERT. Thinking backwards, the SELECT would not run anyway as the Insert of the Little Bobby Tables in the table would have already dropped the table. – ypercubeᵀᴹ Jan 21 '13 at 21:41 ...
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Print a list of all installed node.js modules

... Use npm ls (there is even json output) From the script: test.js: function npmls(cb) { require('child_process').exec('npm ls --json', function(err, stdout, stderr) { if (err) return cb(err) cb(null, JSON.parse(stdout)); }); } npmls(console.log); run...
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What's the recommended way to connect to MySQL from Go?

...l", store.user+":"+store.password+"@/"+store.database) defer con.Close() Select one row : row := con.QueryRow("select mdpr, x, y, z from sometable where id=?", id) cb := new(SomeThing) err := row.Scan(&cb.Mdpr, &cb.X, &cb.Y, &cb.Z) Select multiple rows and build an array with re...