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CROSS JOIN vs INNER JOIN in SQL

...ame situation. These 2 examples will return the same result: Cross join select * from table1 cross join table2 where table1.id = table2.fk_id Inner join select * from table1 join table2 on table1.id = table2.fk_id Use the last method ...
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How to comment out a block of Python code in Vim

...to allow me to indent certain lines of code (whether those lines have been selected in visual mode, or n lines above/below current cursor position). ...
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Hide options in a select list using jQuery

...ave an object with key/value pairs of options I want to hide/remove from a select list. Neither of the following option selectors work. What am I missing? ...
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Mac SQLite editor [closed]

... info.plist and setting it to YES Running the app on a device Open iTunes Select the device Select the "Apps" tab Scroll down to the "File Sharing" section and select the app The .sqlite file should appear in the right hand pane - select it and "Save to..." Once it's saved open it up in your favour...
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Select records from NOW() -1 Day

... by >= NOW() -1 so all records from the day before today to the future are selected? 6 Answers ...
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Parameterize an SQL IN clause

... Here's a quick-and-dirty technique I have used: SELECT * FROM Tags WHERE '|ruby|rails|scruffy|rubyonrails|' LIKE '%|' + Name + '|%' So here's the C# code: string[] tags = new string[] { "ruby", "rails", "scruffy", "rubyonrails" }; const string cmdText = "select * from t...
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Use a LIKE statement on SQL Server XML Datatype

If you have a varchar field you can easily do SELECT * FROM TABLE WHERE ColumnA LIKE '%Test%' to see if that column contains a certain string. ...
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How can I copy the output of a command directly into my clipboard?

...mewhere else other than a X application, try this one: cat file | xclip -selection clipboard share | improve this answer | follow | ...
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In Vim is there a way to delete without putting text in the register?

... Any ideas on doing this selectively on only empty lines? (If I dd on an empty line it goes into the blackhole, otherwise it dds like normal). – Jonathan Dumaine Mar 5 '13 at 23:28 ...
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How can I suppress column header output for a single SQL statement?

...in batch (using the mysql command-line binary). I want one of my several SELECT statements to not print the column headers, just the selected records. Is this possible? ...