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Error: “The node to be inserted is from a different document context”

When I am calling XmlNode.AppendChild() , I get this error: 1 Answer 1 ...
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What's the best way to get the last element of an array without deleting it?

... test run the following code snippet is used: <<input code>> error_reporting(E_ALL); <<option code>> error_reporting(0); $before=microtime(TRUE); for($i=0;$i<100;$i++){echo ".";for($j=0;$j<100;$j++){ <<option code>> }}; $after=microtime(TRUE); echo "\n...
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Generate a random date between two other dates

...datetime (parsing dates from str values) radar.random_datetime(start='2000-05-24', stop='2013-05-24T23:59:59') # Generate random datetime from datetime.datetime values radar.random_datetime( start = datetime.datetime(year=2000, month=5, day=24), stop = datetime.datetime(year=2013, month=5, ...
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Use LINQ to get items in one List, that are not in another List

... – Klaus Byskov Pedersen Oct 15 '10 at 18:05 36 That's why I wrote that you need to override the equali...
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How to check whether a file or directory exists?

...whether the given file or directory exists func exists(path string) (bool, error) { _, err := os.Stat(path) if err == nil { return true, nil } if os.IsNotExist(err) { return false, nil } return false, err } Edited to add error handling. ...
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How can I control the width of a label tag?

... answered May 12 '10 at 16:05 Josh StodolaJosh Stodola 76.3k4242 gold badges177177 silver badges220220 bronze badges ...
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What is going wrong when Visual Studio tells me “xcopy exited with code 4”

... Xcopy exit code 4 means "Initialization error occurred. There is not enough memory or disk space, or you entered an invalid drive name or invalid syntax on the command line." It looks like Visual Studio is supplying invalid arguments to xcopy. Check your post-buil...
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How do I add more members to my ENUM-type column in MySQL?

...------------------------------------------+ 1 row in set (0.00 sec) What error are you seeing? FWIW this would also work: ALTER TABLE carmake MODIFY COLUMN country ENUM('Sweden','Malaysia'); I would actually recommend a country table rather than enum column. You may have hundreds of countries w...
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Mathematical functions in Swift

... In the Swift playground, I get the error: No such module 'Cocoa' – David Poxon Jun 11 '14 at 10:31 ...
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How to find indices of all occurrences of one string in another in JavaScript?

... answered Aug 4 '10 at 23:05 Tim DownTim Down 281k6464 gold badges415415 silver badges497497 bronze badges ...