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How to remove the first commit in git?

... To be clear for anyone reading this answer: this deletes every commit, but OP only wants to delete the first commit made to a repo; don't run this to delete the first commit because it will delete ALL commits. – Jody Bruchon ...
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How do I get the n-th level parent of an element in jQuery?

... Read further down the answer and all shall be revealed! (I've given you level examples) – Henry Aug 17 '11 at 13:37 ...
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How can I measure the similarity between two images? [closed]

... Use a normalised colour histogram. (Read the section on applications here), they are commonly used in image retrieval/matching systems and are a standard way of matching images that is very reliable, relatively fast and very easy to implement. Essentially a co...
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How to update Ruby to 1.9.x on Mac?

...is not malicious - if you're a paranoid penguin like me, you can always go read the source: https://github.com/wayneeseguin/rvm ) When it's complete you need to restart the terminal to get the rvm command working. rvm list known ( shows you the latest available versions of Ruby ) rvm install rub...
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Can we pass parameters to a view in SQL?

... As already stated you can't. A possible solution would be to implement a stored function, like: CREATE FUNCTION v_emp (@pintEno INT) RETURNS TABLE AS RETURN SELECT * FROM emp WHERE emp_id=@pintEno; This allows you to us...
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SQLiteDatabase.query method

...uick reference for future viewers. Example SQLiteDatabase db = helper.getReadableDatabase(); String table = "table2"; String[] columns = {"column1", "column3"}; String selection = "column3 =?"; String[] selectionArgs = {"apple"}; String groupBy = null; String having = null; String orderBy = "colu...
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How does push notification technology work on Android?

... I do not know. I've just read how C2DM was working. Now something can change. – Yury Jul 16 '12 at 18:39 add a comment ...
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iphone Core Data Unresolved error while saving

...hment to Charles' snippet. The straight output from NSLog can be a mess to read and interpret, so I like to throw in some white space and call out the value of some critical 'userInfo' keys. Here's a version of the method I've been using. ('_sharedManagedObjectContext' is a #define for '[[[UIApplic...
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jQuery UI Tabs - How to Get Currently Selected Tab Index

...-tabs-selected has been replaced with ui-tabs-active. !!! I know this thread is old, but something I didn't see mentioned was how to get the "selected tab" (Currently dropped down panel) from somewhere other than the "tab events". I do have a simply way ... var curTab = $('.ui-tabs-panel:not(.ui...
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Converting a generic list to a CSV string

... It's amazing what the Framework already does for us. List<int> myValues; string csv = String.Join(",", myValues.Select(x => x.ToString()).ToArray()); For the general case: IEnumerable<T> myList; string csv = String.Join(",", myList.Select(x =&...