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Using @include vs @extend in Sass?
In Sass, I can't quite discern the difference between using @include with a mixin and using @extend with a placeholder class. Don't they amount to the same thing?
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Java Generics Wildcarding With Multiple Classes
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Actually, you can do what you want. If you want to provide multiple interfaces or a class plus interfaces, you have to have your wildcard look something like this:
<T extends ClassA & InterfaceB>
See the Generics Tutorial at sun.com, specifically t...
Labels for radio buttons in rails form
... to Rails, I've found this answer the one I keep coming back to. It's the gift that keeps on giving. Well, until I remember the proper syntax anyway... :)
– John Gallagher
Oct 20 '11 at 19:14
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Copy folder structure (without files) from one location to another
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This solutions won't work if you have spaces in your directory names.
– Jealie
Mar 11 '15 at 20:35
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source command not found in sh shell
...s used which does not support source. Most shells use . instead of source. If you cannot edit the script, try to change the shell which runs it.
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How do I rename a column in a SQLite database table?
...nd also within all indexes, triggers, and views that reference the column. If the column name change would result in a semantic ambiguity in a trigger or view, then the RENAME COLUMN fails with an error and no changes are applied.
Image source: https://www.sqlite.org/images/syntax/alter-table-stm...
git remote add with other SSH port
In Git, how can I add a remote origin server when my host uses a different SSH port?
5 Answers
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Does the join order matter in SQL?
...ON (a.x, a.y) = (b.x, b.y) and the two queries would still be equivalent.
If however, any of these involved IS NULL or a function that is related to nulls like COALESCE(), for example if the condition was b.ab_id IS NULL, then the two queries would not be equivalent.
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Show diff between commits
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Try
git diff k73ud^..dj374
to make sure to include all changes of k73ud in the resulting diff.
git diff compares two endpoints (instead of a commit range).
Since the OP want to see the changes introduced by k73ud, he/she needs to d...
Select statement to find duplicates on certain fields
...above. Based on that you'll need to use an order by clause and a sub query if needed. If you can post some sample data, it would really help.
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