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What is the difference between single and double quotes in SQL?

...ould be more readable as product_id, so you use either of the following: SELECT PRODUCT.id AS product_id SELECT PRODUCT.id 'product_id' Either works in Oracle, SQL Server, MySQL… but I know some have said that the TOAD IDE seems to give some grief when using the single quotes approach. You do...
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Eclipse: How do i refresh an entire workspace? F5 doesn't do it

...le->Refresh , it doesn't really refresh anything (perhaps the currently selected project). How do I get eclipse to refresh all of the projects? ...
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A valid provisioning profile for this executable was not found for debug mode

...& Files" -->Target --> expand it --> right click your app and select Clean "your app" 3) Goto->Window-->Organizer 4) In the Devices tab on the left, select your iphone 5) In the Provisioning section of the selected iphone delete all the current profiles (if any) 6) Unplug your...
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jQuery - select all text from a textarea

...can I make it so when you click inside a textarea, its entire content gets selected? 6 Answers ...
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Which timestamp type should I choose in a PostgreSQL database?

...al time zone test=> SET timezone = 'America/Los_Angeles'; SET test=> SELECT NOW(); now ------------------------------- 2011-05-27 15:47:58.138995-07 (1 row) test=> SELECT NOW() AT TIME ZONE 'UTC'; timezone ---------------------------- 2011-...
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How to select the rows with maximum values in each group with dplyr? [duplicate]

I would like to select a row with maximum value in each group with dplyr. 6 Answers 6 ...
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Show MySQL host via SQL Command

... To get current host name :- select @@hostname; show variables where Variable_name like '%host%'; To get hosts for all incoming requests :- select host from information_schema.processlist; Based on your last comment, I don't think you can resolve IP...
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How can I access my localhost from my Android device?

...n be done with the following: Open Settings Go to Network & Internet Select WiFi in the left menu Tap on the name of the connected WiFi Set the Network Profile of the network to be Private If you are having an issue, it is most likely to do with Windows Firewall. Open Control Panel Go to W...
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Convert a list of objects to an array of one of the object's properties

... You are looking for MyList.Select(x=>x.Name).ToArray(); Since Select is an Extension method make sure to add that namespace by adding a using System.Linq to your file - then it will show up with Intellisense. ...
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Using Linq to group a list of objects into a new grouped list of list of objects

... var groupedCustomerList = userList .GroupBy(u => u.GroupID) .Select(grp => grp.ToList()) .ToList(); share | improve this answer | follow ...