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Check if a temporary table exists and delete if it exists before creating a temporary table

I am using the following code to check if the temporary table exists and drop the table if it exists before creating again. It works fine as long as I don't change the columns. If I add a column later, it will give an error saying "invalid column". Please let me know what I am doing wrong. ...
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How do I concatenate two lists in Python?

... does this create a deep copy of listone and appends listtwo? – Daniel F Apr 19 '12 at 12:34 160 ...
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A python class that acts like dict

...ict actually contains 2 dict-instance: The 1st is the inherited container, and the 2nd is the dict holding the class-attributes - you may avoid that by using slots. – ankostis Mar 4 '16 at 10:37 ...
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How to select the first element with a specific attribute using XPath

...n 17 '09 at 10:48 Jonathan FinglandJonathan Fingland 52k1111 gold badges7979 silver badges7777 bronze badges ...
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How can one display images side by side in a GitHub README.md?

...I want to show the two Solarized color schemes side by side instead of top and bottom. Help would be much appreciated, thanks! ...
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Creating a temporary directory in Windows?

... get a temp directory name in Windows? I see that I can use GetTempPath and GetTempFileName to create a temporary file, but is there any equivalent to the Linux / BSD mkdtemp function for creating a temporary directory? ...
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How do I get the application exit code from a Windows command line?

I am running a program and want to see what its return code is (since it returns different codes based on different errors). ...
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Safely override C++ virtual functions

I have a base class with a virtual function and I want to override that function in a derived class. Is there some way to make the compiler check if the function I declared in the derived class actually overrides a function in the base class? I would like to add some macro or something that ensures ...
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'Java' is not recognized as an internal or external command

... received the error "java is not recognized as an internal or external command, operable program or batch file.". 14 Answe...
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How do I schedule jobs in Jenkins?

...e 15th minute of the 13th hour of the day. Jenkins used a cron expression, and the different fields are: MINUTES Minutes in one hour (0-59) HOURS Hours in one day (0-23) DAYMONTH Day in a month (1-31) MONTH Month in a year (1-12) DAYWEEK Day of the week (0-7) where 0 and 7 are sunday ...