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How do I remove the border around a focused contenteditable pre?

When I set a pre element to contenteditable and put focus in it for editing, it receives a dotted border around it that doesn't look very nice. The border isn't there when focus is somewhere else. How do I remove that border? ...
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Best way to check if a Data Table has a null value in it

... Try comparing the value of the column to the DBNull.Value value to filter and manage null values in whatever way you see fit. foreach(DataRow row in table.Rows) { object value = row["ColumnName"]; if (value == DBNull.Value) // do something else // do something else } ...
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Set width of TextView in terms of characters

... Answering my own question... And the winner is: set the minEms attribute (android:minEms) !!! So "ems" it turns out refers to the size of the widest character, typically an "M", get it? So setting minEms to an integer value say 3, on an EditText or Text...
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Will writeToFile:atomically: overwrite data?

... Ah, but for me it fails, and the original file is intact. As writeToFile does not return an NSError, how can I investigate the failure? it may be a permissions issue, but I can't be sure. My code runs as an Installer Plugin Bundle, for an installatio...
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Why can't you modify the data returned by a Mongoose Query (ex: findById)

... Btw @JohnnyHK just wanted to say thanks again. A year and a half later was helping a client debug something. He spent a weekend trying to figure something out, turns out it was because he was trying to modify the Mongoose Object ;P – Toli J...
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Why do we have map, fmap and liftM?

... map exists to simplify operations on lists and for historical reasons (see What's the point of map in Haskell, when there is fmap?). You might ask why we need a separate map function. Why not just do away with the current list-only map function, and rename fmap...
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How to store CGRect values in NSMutableArray?

How would I store CGRect objects in a NSMutableArray, and then later retrieve them? 4 Answers ...
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Does setWidth(int pixels) use dip or px?

... The applyDimension() version executes more code and it a bit more difficult to read I find. FWIW, the line I posted is what we actually use all over the place in the framework and standard apps. – Romain Guy Mar 9 '10 at 5:25 ...
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CORS - How do 'preflight' an httprequest?

...domain scripting limitations. Because my service must accommodate both GET and POST requests I cannot implement some dynamic script tag whose src is the URL of a GET request. Since I am free to make changes at the server I have begun to try to implement a workaround that involves configuring the ser...
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LINQ query to return a Dictionary

...ction of MyClass that I'd like to query using LINQ to get distinct values, and get back a Dictionary as the result, but I can't figure out how I can do it any simpler than I'm doing below. What would some cleaner code be that I can use to get the Dictionary as my result? ...