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SQL - find records from one table which don't exist in another
...presents the intent. If performance not good enough, make sure appropriate indexes exist. Only then, try the less-obvious LEFT OUTER JOIN, see if its performance is better.
– ToolmakerSteve
Feb 24 '19 at 2:05
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How do I use 'git reset --hard HEAD' to revert to a previous commit? [duplicate]
...t at <SOME-COMMIT>.
Then make the files in your working tree and the index ("staging area") the same as the versions committed in <SOME-COMMIT>.
HEAD points to your current branch (or current commit), so all that git reset --hard HEAD will do is to throw away any uncommitted changes yo...
Cleanest way to get last item from Python iterator
... So just thinking out loud... This works because enumerate returns (index, value) like: (0, val0), (1, val1), (2, val2)... and then by default max when given a list of tuples, compares against only the first value of the tuple, unless two first values are equal, which they never are here beca...
Retrieve column names from java.sql.ResultSet
... is there a way to get a column's name as a String by using the column's index? I had a look through the API doc but I can't find anything.
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Installing specific package versions with pip
...I used a different version. To view all available package versions from an index exclude the version:
pip install MySQL_python==
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Git repository broken after computer died
... restore your HEAD commit unfortunately. Assuming your working tree and/or index are intact you can try a git reset --soft (or failing that a git reset) to the previous commit and then re-do the commit. Avoid any operations that change your working tree s.a. git checkout -f or git reset --hard.
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Getting the current page
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I pretty recommend you to use this code
int indexOfPage = scrollView.contentOffset.x / scrollView.frame.size.width;
but if you use this code your view doesn't need to be exactly on the page that indexOfPage gives you.
It because I also recommend you to use this code ...
Why is typeof null “object”?
...d explained how a zero value on resolving type of null pointed to the zero indexed element on the types array, so this was a clear developing bug which the Microsoft guys accidentally propagated when decompiling and recompiling JS for their browser
– Áxel Costas Pena
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Get Specific Columns Using “With()” Function in Laravel Eloquent
...tion. It can be done one by passing a closure function in with() as second index of array like
Post::with(array('user'=>function($query){
$query->select('id','username');
}))->get();
It will only select id and username from other table. I hope this will help others.
Rememb...
How to run eclipse in clean mode? what happens if we do so?
....html)
Other eclipse command line options: http://help.eclipse.org/indigo/index.jsp?topic=%2Forg.eclipse.platform.doc.isv%2Freference%2Fmisc%2Fruntime-options.html
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