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Can I have multiple Xcode versions installed?

... explicitly specify it at install time. Also, you will generally want to unselect all features besides the xcode core tools, because the others don't let you change the install directory. – Paul Du Bois Jul 3 '11 at 3:30 ...
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List all tables in postgresql information_schema

... You should be able to just run select * from information_schema.tables to get a listing of every table being managed by Postgres for a particular database. You can also add a where table_schema = 'information_schema' to see just the tables in the informat...
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Remove Identity from a column in a table

...USTERED INDEX IX_Original_Value ON Original (Value); INSERT INTO Original SELECT 'abcd' UNION ALL SELECT 'defg'; You can do the following: --create new table with no IDENTITY CREATE TABLE Original2 ( Id INT PRIMARY KEY , Value NVARCHAR(300) ); CREATE NONCLUSTERED INDEX IX_Original_Value2 ON O...
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Xcode duplicate line

... command item as the screenshot below (name them what you want): That's: selectLine:, copy:, moveToEndOfLine:, insertNewline:, paste:, deleteBackward: Restart Xcode and go to Preferences - Key Bindings, search for your command. Set a key combination for the command: Finally unleashed the power of...
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Disable Drag and Drop on HTML elements?

... This might work: You can disable selecting with css3 for text, image and basically everything. .unselectable { -moz-user-select: -moz-none; -khtml-user-select: none; -webkit-user-select: none; /* Introduced in IE 10. See http://ie.mic...
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Obtain form input fields using jQuery?

...s[field.name] = field.value; }); Note that this snippet will fail on <select multiple> elements. It appears that the new HTML 5 form inputs don't work with serializeArray in jQuery version 1.3. This works in version 1.4+ ...
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MySQL - SELECT WHERE field IN (subquery) - Extremely slow why?

... Rewrite the query into this SELECT st1.*, st2.relevant_field FROM sometable st1 INNER JOIN sometable st2 ON (st1.relevant_field = st2.relevant_field) GROUP BY st1.id /* list a unique sometable field here*/ HAVING COUNT(*) > 1 I think st2.relevant_...
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Convert PEM to PPK file format

...rvers. This function will allow the user to create multiple custom keys by selecting the "My Account/Key Management" option. Once the key has been created the user will be required to select the desired SSH Key during the “Create Server” process for Linux. Create and Use SSH Keys Create keys ...
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System.Net.Http: missing from namespace? (using .net 4.5)

... Add Reference dialog right-click on your project in Solution Explorer and select Add Reference.... It should look something like: share | improve this answer | follow ...
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Using boolean values in C

... Why use int for bool? That's wasteful. Use unsigned char. Or use C's builtin _Bool. – user12211554 May 19 at 21:30 ...