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Adding Core Data to existing iPhone project

... files in the right pane (like in a Resources folder for safe keeping) and select to Add a New File, Click the Core Data tab when selecting your file type then Click 'Data Model', give it a name and click Next and Finish and it will add it to your project. When you click on this Model object you wil...
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Can't find a “not equal” css attribute selector

... One problem with the accepted answer is that it will also select elements that do not have a foo attribute at all. Consider: <div>No foo</div> <div foo="">Empty foo</div> <div foo="x">XXX</div> <div foo="y">YYY</div> <div foo="z"&g...
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belongs_to through associations

... I'd like to know myself. Everything I tried fired 3 selects. You can specify a "-> { joins :something }" lambda on an association. The join is fired but subsequently another select anyway. I wasn't able to tune this up. – Renra Oct 21 ...
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What do I have to do to get Core Data to automatically migrate models?

...oordinator: %@",error); } Then you need to do a little trick in xCode: Select your xcdatamodel file Select the Design Menu at the top - then Data Model - then choose Add Model Version Your xcdatamodel file will then get moved into a new directory with the same name as your xcdatamodel file but w...
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Why do I get “Procedure expects parameter '@statement' of type 'ntext/nchar/nvarchar'.” when I try t

...r because @SQL needs to be NVARCHAR DECLARE @SQL VARCHAR(100) SET @SQL = 'SELECT TOP 1 * FROM sys.tables' EXECUTE sp_executesql @SQL So: DECLARE @SQL NVARCHAR(100) SET @SQL = 'SELECT TOP 1 * FROM sys.tables' EXECUTE sp_executesql @SQL ...
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Editing in the Chrome debugger

...ipt inside html files for me. Also, if you've added a folder to workspace, select the local js file, right-click and map that file to the network dito. – o-o Nov 5 '16 at 0:17 1 ...
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Xcode “The private key for is not installed on this mac - distributing”

...ychain Access on the machine that was used to generate the private keys 2. Select Keychains->Login and Category->Certificates on the left hand side 3. Locate the two certificates iPhone Developer: [your developer name] and iPhone Distribution: [your developer name] 4. Select both, right click...
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What is the fastest or most elegant way to compute a set difference using Javascript arrays?

...t; 1; }; var fnVal = function (v, c) { return v; }; return myUtils.select(h, fnSel, fnVal); } }; This assumes that each and filter are defined for arrays, and that we have two utility methods: myUtils.keys(hash): returns an array with the keys of the hash myUtils.select(hash, fnSelect...
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Check if database exists in PostgreSQL using shell

...e vertical pipe | character (escaped from the shell with a backslash), and selects field 1. This leaves: my_db postgres template0 template1 grep -w matches whole words, and so won't match if you are searching for temp in this scenario. The -q option...
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Get “Value” property in IGrouping

... For any selected group,you could call var selectedGroupValues=selectedGroup.SelectMany(x=>x); share | improve this answer ...