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If table exists drop table then create it, if it does not exist just create it

...t statement drops the table if it exists but will not throw an error if it does not. share | improve this answer | follow | ...
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How can I generate a list of files with their absolute path in Linux?

... I don't get it, this command does not give me the absolute path of the file I, while other answers down on the list does the job. – Bjørn Otto Vasbotten Sep 13 '12 at 9:09 ...
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What does it mean for a data structure to be “intrusive”?

...ntrusive used to describe data structures like lists and stacks, but what does it mean? 2 Answers ...
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Only variables should be passed by reference

... Weird. That works but how? Does it suppress the warning, similar to what the @ prefix does? – Nigel Alderton Feb 5 '14 at 15:31 ...
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Why does Double.NaN==Double.NaN return false?

...he JVM has to call whatever will implement it correctly. On a PC, the CPU does all the work as such. On a machine without this support the JVM has to implement it. (I don't know of any such machine) – Peter Lawrey Jan 11 '12 at 17:05 ...
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Why does AuthorizeAttribute redirect to the login page for authentication and authorization failures

...you get forwarded to the login screen asking you to log in with a user who does have the role. You might add logic to the login page that checks to see if the user is already authenticated. You could add a friendly message that explains why they've been bumbed back there again. ...
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How do I prevent commands from showing up in Bash history?

... Any value not in the above list is ignored. If HISTCONTROL is unset, or does not include a valid value, all lines read by the shell parser are saved on the history list, subject to the value of HISTIGNORE. The second and subsequent lines of a multi-line compound command are not tested, and a...
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String concatenation does not work in SQLite

...tps%3a%2f%2fstackoverflow.com%2fquestions%2f3568779%2fstring-concatenation-does-not-work-in-sqlite%23new-answer', 'question_page'); } ); Post as a guest Nam...
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What does “var FOO = FOO || {}” (assign a variable or an empty object to that variable) mean in Java

... MY_NAMESPACE.func2 = { } both of which share the same namespace it then doesn't matter in which order the two files are loaded, you still get func1 and func2 correctly defined within the MY_NAMESPACE object correctly. The first file loaded will create the initial MY_NAMESPACE object, and any sub...
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What does the caret (‘^’) mean in C++/CLI?

... Does the (I suppose "unmanaged reference") syntax "&" still exist in C++/CLI? – Owen Oct 14 '08 at 19:35 ...