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Remove all spaces from a string in SQL Server

... Simply replace it; SELECT REPLACE(fld_or_variable, ' ', '') Edit: Just to clarify; its a global replace, there is no need to trim() or worry about multiple spaces for either char or varchar: create table #t ( c char(8), v varchar(8))...
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MySQL error: key specification without a key length

...d, and the trick is to choose a number N that’s long enough to give good selectivity, but short enough to save space. The prefix should be long enough to make the index nearly as useful as it would be if you’d indexed the whole column. Before we go further let us define some important terms. In...
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T-SQL stored procedure that accepts multiple Id values

...nguages only. XML. Very good for inserting many rows; may be overkill for SELECTs. Table of Numbers. Higher performance/complexity than simple iterative method. Fixed-length Elements. Fixed length improves speed over the delimited string Function of Numbers. Variations of Table of Numbers and fixed...
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Random row selection in Pandas dataframe

Is there a way to select random rows from a DataFrame in Pandas. 6 Answers 6 ...
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Get selected text from a drop-down list (select box) using jQuery

How can I get the selected text (not the selected value) from a drop-down list in jQuery? 34 Answers ...
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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...
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What does SQL clause “GROUP BY 1” mean?

... SELECT account_id, open_emp_id ^^^^ ^^^^ 1 2 FROM account GROUP BY 1; In above query GROUP BY 1 refers to the first column in select statement which is account_id. You also can speci...
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Changing navigation bar color in Swift

...UIColor.whiteColor() UINavigationBar.appearance().barTintColor = Style.SELECTED_COLOR UINavigationBar.appearance().translucent = false UINavigationBar.appearance().clipsToBounds = false UINavigationBar.appearance().backgroundColor = Style.SELECTED_COLOR UINavigationBar.appearance...
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How do I check if a SQL Server text column is empty?

... Actually, you just have to use the LIKE operator. SELECT * FROM mytable WHERE mytextfield LIKE '' share | improve this answer | follow ...
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Importing a GitHub project into Eclipse

...ries") Eclipse with GitHub EGit tutorial Copy the URL from GitHub and select in Eclipse from the menu the File → Import → Git → Projects from Git If the Git repo isn't cloned yet: In> order to checkout a remote project, you will have to clone its repository first. Open the E...