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MySql Table Insert if not exist otherwise update

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Deleting a file in VBA

...<> "") End Function I'll leave it to you to figure out the various error handling needed but these are among the error handling things I'd be considering: Check for an empty string being passed. Check for a string containing characters illegal in a file name/path 2.) How To Delete a File...
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Why is subtracting these two times (in 1927) giving a strange result?

...to reach Sunday, 1. January 1928, 00:00:00 clocks were turned backward 0:05:52 hours to Saturday, 31. December 1927, 23:54:08 local standard time instead This is not particularly strange and has happened pretty much everywhere at one time or another as timezones were switched or changed due to...
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What are all the different ways to create an object in Java?

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Bash command to sum a column of numbers [duplicate]

I want a bash command that I can pipe into that will sum a column of numbers. I just want a quick one liner that will do something essentially like this: ...
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What is the difference between g++ and gcc?

...h valid C++ code would compile but instead returns unsupported file format error. – s d Sep 14 at 3:37 add a comment  |  ...
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PHP Composer update “cannot allocate memory” error (using Laravel 4)

... Updating PHP is not a solution. I have 7.0.21, and still get this error. – cj5 Aug 14 '17 at 17:30 @Kumar's s...
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Prevent body scrolling but allow overlay scrolling

...... – BlackPanther Jul 27 '16 at 18:05  |  show 10 more comments ...
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Unicode characters in URLs

...e relative path state: If c is not a URL code point and not "%", parse error. Also the validator http://validator.w3.org/ passes for URLs like "你好", and does not pass for URLs with characters like spaces "a b" Related: Which characters make a URL invalid? ...
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What's the fastest algorithm for sorting a linked list?

... answered Oct 6 '09 at 12:05 cslcsl 9,91955 gold badges5151 silver badges8484 bronze badges ...