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Forcing a WPF tooltip to stay on the screen

...(after nearly 6 years years, sorry) as the correct answer because this actually works on all supported versions of Windows and keeps it open for 49 days, which should be long enough :p – TimothyP Mar 30 '15 at 9:12 ...
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How to write to a file in Scala?

...portance are Resource, ReadChars and WriteChars. File - File is a File (called Path) API that is based on a combination of Java 7 NIO filesystem and SBT PathFinder APIs. Path and FileSystem are the main entry points into the Scala IO File API. import scalax.io._ val output:Output = Resourc...
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When should I use GET or POST method? What's the difference between them?

... What I meant was that contents of $_POST is not magically hidden from malicious users. There are obviously security aspects to all thing programming. – troelskn Feb 2 '09 at 22:34 ...
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How to increase the vertical split window size in Vim

:vsplit (short form: :vs ) split the Vim viewport vertically. :30vs splits the viewport, making the new window 30 characters wide. Once this 30 char window is created, how would one change it's size to 31 or 29? ...
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Convert a number range to another range, maintaining ratio

...ep in mind that you may get strange results if one of the ranges is very small relative to the other one (not exactly sure, but if there's more than a 1000000 factor difference between the size of the ranges, make sure that it actually behaves like you expect... or learn about floating point inaccur...
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Best way to replace multiple characters in a string?

... Replacing two characters I timed all the methods in the current answers along with one extra. With an input string of abc&def#ghi and replacing & -> \& and # -> \#, the fastest way was to chain together the replacements like this: text.rep...
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How to create a new database after initally installing oracle database 11g Express Edition?

I have installed Oracle Database 11g Express Edition on my pc (windows 7) and I have installed Oracle SQL Developer as well. ...
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Remove duplicated rows using dplyr

... @hadley I like the unique() and distinct() function, however, they all remove the 2nd duplicate from the data frame. what if I want to have all 1st encounters of the duplicate value removed? How could this be done? Thanks for any help! – FlyingDutch Feb...
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How to do a case sensitive search in WHERE clause (I'm using SQL Server)?

...on the same way with the LIKE statement. Simply do the following to return all upper case 'D's. "SELECT * FROM SomeTable WHERE ColumnName like '%D%' COLLATE SQL_Latin1_General_CP1_CS_AS" – Radderz Dec 12 '16 at 12:19 ...
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Remove characters from C# string

...tring.Empty); } But I may suggest another approach if you want to remove all non letter characters var str = "My name @is ,Wan.;'; Wan"; str = new string((from c in str where char.IsWhiteSpace(c) || char.IsLetterOrDigit(c) select c ).ToArray()); ...