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Does anyone know what the new Exit icon is used for when editing storyboards using Xcode 4.5?

...xit icon yields an empty window. Can't Ctrl-drag a connection to any IB elements or corresponding source files. Docs give no love. Doesn't appear in nib files, only storyboards. My assumption is that it's a corollary to segues, but I don't see any new methods to back it up. Anyone? ...
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How to open a specific port such as 9090 in Google Compute Engine

...d I want to open port 9090 in both the instances. I think we need to add some firewall rules. 8 Answers ...
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How To: Best way to draw table in console app (C#)

... You could do something like the following: static int tableWidth = 73; static void Main(string[] args) { Console.Clear(); PrintLine(); PrintRow("Column 1", "Column 2", "Column 3", "Column 4"); PrintLine(); PrintRow("",...
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How to cast int to enum in C++?

...what do I get for using auto in this case? Is there any performance improvements? – Frederico Pantuzza May 19 '17 at 3:29 3 ...
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Is there a timeout for idle PostgreSQL connections?

I see a lot of them. We are trying to fix our connection leak. But meanwhile, we want to set a timeout for these idle connections, maybe max to 5 minute. ...
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Summarizing multiple columns with dplyr? [duplicate]

I'm struggling a bit with the dplyr-syntax. I have a data frame with different variables and one grouping variable. Now I want to calculate the mean for each column within each group, using dplyr in R. ...
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How do I force Postgres to use a particular index?

...t be a good query plan today probably won't be a good query plan for all time, and index hints force a particular query plan for all time. As a very blunt hammer, useful for testing, you can use the enable_seqscan and enable_indexscan parameters. See: Examining index usage enable_ parameters Th...
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How do I enable gzip compression when using MVC3 on IIS7?

...namicCompression="true" /> </system.webServer> You can find documentation of this configuration element at iis.net/ConfigReference. This is the equivalent of: Opening Internet Information Services (IIS Manager) Navigating through the tree-view on the left until you reach the virtual dir...
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How to send JSON instead of a query string with $.ajax?

Can someone explain in an easy way how to make jQuery send actual JSON instead of a query string? 4 Answers ...
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How do Third-Party “tracking cookies” work?

...r browser sends a request to http://example.com, then the response might come back with a header that says Set-Cookie: foo=bar. Your browser stores this cookie, and on any subsequent requests to http://example.com, your browser will send foo=bar in the Cookie header. (Or at least until the cookie ex...