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Does MySQL ignore null values on unique constraints?
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note: this also works also unique indexes that have more columns. So if you want columns a, b and c to be unique you can still have in the table double rows with null, b, c
– Mihai Crăiță
Oct 13 '19 at 8:39
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Multiple variables in a 'with' statement?
Is it possible to declare more than one variable using a with statement in Python?
6 Answers
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How can I initialize a String array with length 0 in Java?
... @Thomas: I take your point, but for this particular case I prefer the more explicit form. It's clearer to me that it means "I want a string array with 0 elements" rather than "I want an array with this content - which is empty". Just personal preference I guess.
– Jon Skee...
Do try/catch blocks hurt performance when exceptions are not thrown?
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Read/Write String from/to a File in Android
...will have \r etc..), in your final string, you'll have to adapt this a bit more.
– treesAreEverywhere
Feb 9 '14 at 23:57
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Counting occurrences in Vim without marking the buffer changed
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even more cumbersome, but at least it is now official that there is no elegant way...
– Paul Oyster
Sep 16 '08 at 9:22
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How can I round to whole numbers in JavaScript?
...es to @Jeremy. Thanks for inserting it -- it made starting out on SO a lot more fun to have the fifth answer I ever wrote get as many votes as this one did, which was surely due to the link. :-)
– hmakholm left over Monica
Oct 3 '13 at 18:17
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How to use Checkbox inside Select Option
...0, Firefox 34, Chrome 39. The browser needs to have JavaScript enabled.
More information:
CSS positioning
How to overlay one div over another div
http://www.w3schools.com/css/css_positioning.asp
CSS display property
http://www.w3schools.com/cssref/pr_class_display.asp
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Escape Character in SQL Server
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Edited answer to more it more clear and better fit the question
– Revious
Apr 7 at 13:14
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How to rethrow InnerException without losing stack trace in C#?
...ateException instances in order to make the asynchronous language features more like the synchronous language features.
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