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Replace Default Null Values Returned From Left Outer Join
...d ON t.id = d.item
Also, you can use multiple columns to check their NULL by COALESCE function.
For example:
mysql> SELECT COALESCE(NULL, 1, NULL);
-> 1
mysql> SELECT COALESCE(0, 1, NULL);
-> 0
mysql> SELECT COALESCE(NULL, NULL, NULL);
-> NULL
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Set scroll position
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Also worth noting window.scrollBy(dx,dy) (ref)
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css - position div to bottom of containing div
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absolute searches for the nearest relative parent. By default it's the body of the document. So if no parent DOM object (.outside) has the property of being relative your .inside will go to to the bottom of the body tag.
– user1467267
Ma...
How can I indent multiple lines in Xcode?
... where I always did it that way. How's that done in Xcode? I hope not line by line ;)
20 Answers
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How to find the .NET framework version of a Visual Studio project?
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i m in 2008. but dont know which version is used by current project.
– Novice Developer
Jul 12 '10 at 19:37
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Confusion about vim folding - how to disable?
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it was vim-markdown. To disable folding by vim-markdown, use let g:vim_markdown_folding_disabled=1
– BenjaminGolder
Apr 23 '14 at 15:43
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How to install a private NPM module without my own registry?
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I'm confused by the top part and the only reason I haven't tested this myself is that I'm still learning and don't have a private module to work on. Anyway, by changing your directory to where the module is and then calling install wouldn...
Should I use the datetime or timestamp data type in MySQL?
...'s default value, but DATE for example can't, because it uses '0000-00-00' by default, so to solve that matter U should write Your own trigger to that table, to insert current date (without time) in the field/col with DATE mysql type.
– Arthur Kushman
Oct 15 '1...
How to implement a Map with multiple keys? [duplicate]
...ay to go. To extend to an arbitrary number of keys, have a method like getByKey(MetaKey mk, Object k) and then a Map<MetaKey, Map<Object, V>> internally.
– Jeremy Huiskamp
May 4 '09 at 22:21
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Difference between len() and .__len__()?
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len is a function to get the length of a collection. It works by calling an object's __len__ method. __something__ attributes are special and usually more than meets the eye, and generally should not be called directly.
It was decided at some point long ago getting the length of someth...