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SQL query to get all values a enum can have

... If you want an array: SELECT enum_range(NULL::myenum) If you want a separate record for each item in the enum: SELECT unnest(enum_range(NULL::myenum)) Additional Information This solution works as expected even if your enum is not in the...
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Get css top value as number not as string?

... You can use the parseInt() function to convert the string to a number, e.g: parseInt($('#elem').css('top')); Update: (as suggested by Ben): You should give the radix too: parseInt($('#elem').css('top'), 10); Forces it to be parsed as a decimal number, otherw...
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Why is it Valid to Concatenate Null Strings but not to Call “null.ToString()”?

...compiler treats a null string the same as an empty string, but it does not convert the value of the original null string. More information on the + binary operator: The binary + operator performs string concatenation when one or both operands are of type string. If an operand of string concatenati...
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How to build jars from IntelliJ properly?

...from IntelliJ: Go to project structure: Create a new artifact: Select the main class, and be sure to change the manifest folder: You have to change manifest directory: <project folder>\src\main\java replace "java" with "resources" <project folder>\src\main\resources ...
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The server principal is not able to access the database under the current security context in SQL Se

... DECLARE @UserName nvarchar(255) DECLARE orphanuser_cur cursor for SELECT UserName = su.name FROM sysusers su JOIN sys.server_principals sp ON sp.name = su.name WHERE issqluser = 1 AND (su.sid IS NOT NULL AND su.sid <> 0x0) AND suser_sname(su....
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git visual diff between branches

...rst click on the tip of branch1. Now right-click on the tip of branch2 and select Diff this->selected. share | improve this answer | follow | ...
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Clicking the text to select corresponding radio button

...t; and has 4 possible choices, using radio buttons to allow the user to select his/her answer. The current HTML for a single question looks like: ...
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How do I get SUM function in MySQL to return '0' if no values are found?

... Use COALESCE to avoid that outcome. SELECT COALESCE(SUM(column),0) FROM table WHERE ... To see it in action, please see this sql fiddle: http://www.sqlfiddle.com/#!2/d1542/3/0 More Information: Given three tables (one with all numbers, one with all nul...
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Is there a better Windows Console Window? [closed]

... the system, or copied to a folder of the program (ttf, otf, fon, bdf) Run selected tabs as Administrator (Vista+) or as selected user Windows 7 Jump lists and Progress on taskbar Integration with DosBox (useful in 64bit systems to run DOS applications) Smooth resize, maximized and fullscreen window...
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Get average color of image via Javascript

...LUV, but I have not found a good library for this, or any algorythims for converting RGB to LUV. An entirely different approach would be to sort your colors in a rainbow, and build a histogram with tolerance to account for varying shades of a color. I have not tried this, because sorting colors in...