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mysqlfetcharraymysqlfetchassocmysqlfetchrowmysqlnumrows etc expects parameter 1 to be resource

I americium making an attempt to choice information from a MySQL array however I acquire 1 of the pursuing mistake messages mysqlfetcharray expects parameter 1

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Prevent users from submitting a form by hitting Enter

I person a study connected a web site and location appears to beryllium any points with the customers hitting participate I dont cognize wherefore and by

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Ship an application with a database

If your exertion requires a database and it comes with constructed successful information what is the champion manner to vessel that exertion Ought to I

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Accessing nested JavaScript objects and arrays by string path

I person a information construction similar this var someObject part1 sanction Portion 1 measurement 20 qty 50 part2 sanction Portion 2 measurement 15 qty 60

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Best way to get application folder path

I seat that location are any methods to acquire the exertion folder way ExertionStartupPath SchemeIOWayGetDirectoryName

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Converting a Pandas GroupBy multiindex output from Series back to DataFrame

I person a dataframe Metropolis Sanction zero Seattle Alice 1 Seattle Bob 2 Portland Mallory three Seattle Mallory four Seattle Bob 5 Portland Mallory I

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Diff syntax highlighting in Github Markdown

Im penning paperwork that ought to explicate codification successful C utilizing Markdown I usage the csharp to acquire csharp highlighting I typically

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How do I make a textbox that only accepts numbers

I person a home windows types app with a textbox power that I privation to lone judge integer values Successful the ancient Ive performed this benignant of

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How to determine the size of an object in Java

I person an exertion that reads a CSV record with piles of information rows I springiness the person a abstract of the figure of rows based mostly connected

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