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Xcode 4 - “Archive” is greyed out?

... You have to select the device in the schemes menu in the top left where you used to select between simulator/device. It won’t let you archive a build for the simulator. Or you may find that if the iOS device is already selected the ar...
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Android file chooser [closed]

...ent in an Intent.createChooser() like this: private static final int FILE_SELECT_CODE = 0; private void showFileChooser() { Intent intent = new Intent(Intent.ACTION_GET_CONTENT); intent.setType("*/*"); intent.addCategory(Intent.CATEGORY_OPENABLE); try { startActivityForR...
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Select element by exact match of its content

All right, I wonder if there is a way to make the :contains() jQuery's selector to select elements with only the string that is typed in ...
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How do I copy to the clipboard in JavaScript?

... document.body.appendChild(textArea); textArea.focus(); textArea.select(); try { var successful = document.execCommand('copy'); var msg = successful ? 'successful' : 'unsuccessful'; console.log('Fallback: Copying text command was ' + msg); } catch (err) { consol...
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Unpivot with column name

...hould be able to use the following which includes the subject in the final select list: select u.name, u.subject, u.marks from student s unpivot ( marks for subject in (Maths, Science, English) ) u; See SQL Fiddle with demo ...
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How to flatten nested objects with linq expression

... myBooks.SelectMany(b => b.Chapters .SelectMany(c => c.Pages .Select(p => b.Name + ", " + c.Name + ", " + p.Name))); share | ...
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How do you debug MySQL stored procedures?

...E debug_msg(enabled INTEGER, msg VARCHAR(255)) BEGIN IF enabled THEN select concat('** ', msg) AS '** DEBUG:'; END IF; END $$ CREATE PROCEDURE test_procedure(arg1 INTEGER, arg2 INTEGER) BEGIN SET @enabled = TRUE; call debug_msg(@enabled, 'my first debug message'); call debug_msg(@ena...
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How to format all Java files in an Eclipse project at one time?

... Right click on the project root and select Source -> Format. This should work for at least version 3.8.1. and above. If the above does not work, you're probably using an older Eclipse-version. In such case you can select your Source Folders by clicking on t...
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How to create a self-signed certificate for a domain name for development?

...g the IIS Manager Launch the IIS Manager At the server level, under IIS, select Server Certificates On the right hand side under Actions select Create Self-Signed Certificate Where it says "Specify a friendly name for the certificate" type in an appropriate name for reference. Examples: www.dom...
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Possible to perform cross-database queries with PostgreSQL?

... executes a query in a remote database dblink executes a query (usually a SELECT, but it can be any SQL statement that returns rows) in a remote database. When two text arguments are given, the first one is first looked up as a persistent connection's name; if found, the command is executed on that...