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How can I use swift in Terminal?

... sudo xcode-select -switch /Applications/Xcode.app/Contents/Developer then you can do one of these: xcrun swift lldb --repl As of Xcode 6.1 - typing swift in the terminal launches the REPL as well. ...
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Detecting Unsaved Changes

...(function(){ _isDirty = true; }); // replicate for other input types and selects Combine with onunload/onbeforeunload methods as required. From the comments, the following references all input fields, without duplicating code: $(':input').change(function () { Using $(":input") refers to all ...
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iPhone app signing: A valid signing identity matching this profile could not be found in your keycha

... Open Xcode. Click WINDOW > ORGANIZER. Then click the Devices tab and select "Provisioning Profiles" on the left. That should bring up your provisioning profiles. Highlight one by one (if more than 1), right click and delete profile. Yes, just do it! Delete them all! (I kept making a new one a...
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Capitalize first letter. MySQL

... You can use a combination of UCASE(), MID() and CONCAT(): SELECT CONCAT(UCASE(MID(name,1,1)),MID(name,2)) AS name FROM names; share | improve this answer | ...
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“Inspect” a hover element?

...if this is just a problem on my PC or not, but I can't see the menu option selected via keyboard and the shortcut key (ctrl-shift-I) doesn't work while the dropdown menu is visible, so since inspect element is the last option on the dropdown, I used up-arrow key to wrap-around to the last item and h...
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UIButton: set image for selected-highlighted state

I set an images for button's states Normal,Highlighted and Selected, but when the button in selected state and I press/highlight it I didn't see my highlighted image but just grayed picture. Is it possible to set an image for highlighted state when the button selected? ...
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java.sql.SQLException: - ORA-01000: maximum open cursors exceeded

... a query, specifically the position where a reader is in a ResultSet. Each SELECT statement has a cursor, and PL/SQL stored procedures can open and use as many cursors as they require. You can find out more about cursors on Orafaq. A database instance typically serves several different schemas, man...
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How do I find a default constraint using INFORMATION_SCHEMA?

...our constraints!) -- returns name of a column's default value constraint SELECT default_constraints.name FROM sys.all_columns INNER JOIN sys.tables ON all_columns.object_id = tables.object_id INNER JOIN sys.schemas ON tables.schema_id = schemas.s...
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How to stop Visual Studio from opening a file on single click?

...anted to add that the button David is referring to has a tooltip: "Preview Selected Items" – Bruce van der Kooij Jan 11 '13 at 9:39 ...
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SQL Logic Operator Precedence: And and Or

...te: Declare @x tinyInt = 1 Declare @y tinyInt = 0 Declare @z tinyInt = 0 Select Case When @x=1 OR @y=1 And @z=1 Then 'T' Else 'F' End -- outputs T Select Case When (@x=1 OR @y=1) And @z=1 Then 'T' Else 'F' End -- outputs F For those who like to consult references (in alphabetic order): Microso...