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Unable to cast object of type 'System.DBNull' to type 'System.String`
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HTML select form with option to enter custom value
... the id of the datalist.
Update: As of March 2019 all major browsers (now including Safari 12.1 and iOS Safari 12.3) support datalist to the level needed for this functionality. See caniuse for detailed browser support.
It looks like this:
<input type="text" list="cars" />
<datalist...
How to implement LIMIT with SQL Server?
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This solution works only if the result set includes a column that is unique. It's not a general solution to mimic LIMIT for any query.
– Bill Karwin
Mar 2 '09 at 20:09
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What is the best collation to use for MySQL with PHP? [closed]
...your application database adapter.
Changes will need to be made to my.cnf, including setting the character set, the collation and switching innodb_file_format to Barracuda
SQL CREATE statements may need to include: ROW_FORMAT=DYNAMIC
DYNAMIC is required for indexes on VARCHAR(192) and larger.
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How to split a string, but also keep the delimiters?
...re is a way to do this with String#split, though I wish there was a way to include the delimiters as there was for the StringTokenizer - split(";", true) would be so much more readable than split("((?<=;)|(?=;))").
– Fabian Steeg
Feb 5 '10 at 11:17
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What do I have to do to get Core Data to automatically migrate models?
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How to change the remote a branch is tracking?
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