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SQL JOIN - WHERE clause vs. ON clause
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902
They are not the same thing.
Consider these queries:
SELECT *
FROM Orders
LEFT JOIN OrderLines...
git working on two branches simultaneously
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Git 2.5+ (Q2 2015) supports this feature!
If you have a git repo cool-app, cd to root (cd cool-app), run git worktree add ../cool-app-feature-A feature/A. This checks out the branch feature/A in it's own new dedicated directory,...
Uninitialized constant ActiveSupport::Dependencies::Mutex (NameError)
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This is an incompatibility between Rails 2.3.8 and recent versions of RubyGems. Upgrade to the latest 2.3 version (2.3.11 as of today).
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How to JSON serialize sets?
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121
JSON notation has only a handful of native datatypes (objects, arrays, strings, numbers, boolea...
++someVariable vs. someVariable++ in JavaScript
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250
Same as in other languages:
++x (pre-increment) means "increment the variable; the value of ...
How to get the value from the GET parameters?
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Is there a Unix utility to prepend timestamps to stdin?
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edited Sep 24 '14 at 4:14
Adam
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When should I use Struct vs. OpenStruct?
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Smar
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answered Jul 24 '09 at 13:43
PestoPesto
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Where can I learn jQuery? Is it worth it?
...Action-Bear-Bibeault/dp/1933988355/ref=sr_1_1?ie=UTF8&s=books&qid=1219716122&sr=1-1 (I bought it used at Amazon for about $22). It has been a big help into bootstrapping me into jQuery. The documentation at jquery.com are also very helpful.
A place where jQuery falls a little flat is wi...
Convert decimal to hexadecimal in UNIX shell script
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edited Dec 19 '08 at 2:31
answered Dec 18 '08 at 21:46
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