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Computed / calculated / virtual / derived columns in PostgreSQL

... disk. Virtual generated columns, which are computed only when a column is read as part of a query, are not implemented yet. Generated Columns A generated column is a special column that is always computed from other columns. Thus, it is for columns what a view is for tables. CREATE T...
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Flushing footer to bottom of the page, twitter bootstrap

... Just in case you've read this answer and not scrolled down it's worth looking at the other answers – MattyW Sep 29 '13 at 11:05 ...
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jQuery: Selecting by class and input type

...slow selector. It's recommended to do $('input:checkbox'). You should read jQuery documentation to know about selectors. share | improve this answer | follow ...
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How can I update npm on Windows?

...et : Could not find a part of the path .... "**, see below ...scroll down. Reading Web Response... It's at least punching through the firewall /proxy (if you have one or have already ran the code get through ... Otherwise You might need to set your proxy npm config set proxy "http://proxy.yourcor...
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What does ||= (or-equals) mean in Ruby?

...o often on the Ruby mailing-lists and Ruby blogs that there are now even threads on the Ruby mailing-list whose only purpose is to collect links to all the other threads on the Ruby mailing-list that discuss this issue. Here's one: The definitive list of ||= (OR Equal) threads and pages If you reall...
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horizontal scrollbar on top and bottom of table

... Try using the jquery.doubleScroll plugin : jQuery : $(document).ready(function(){ $('#double-scroll').doubleScroll(); }); CSS : #double-scroll{ width: 400px; } HTML : <div id="double-scroll"> <table id="very-wide-element"> <tbody> <tr> ...
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What's the difference between ViewData and ViewBag?

... heads-up Matthew Flaschen, I had a typo in the response and fixed it, now reads "ViewData" instead of ViewModel which was a mistake. :) – Rich Bianco Nov 20 '11 at 20:02 ...
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How do I run Redis on Windows?

...ually put a redis.conf file in c:\Program Files\Redis, as described in the readme. I just copied c:\program files\Redis\conf\redis-dist.conf. Then I could start the service from the services control panel (or 'net start redis' from a command line) – solublefish ...
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What is the meaning of the planned “private protected” C# access modifier?

...o a → b in the diagram means "a is more restrictive than b", so you can "read" the arrow as "is more restrictive than" (that was what I tried to explain), so the arrow points in the least restrictive "direction". The opposite convention for the arrows could have been just as good, by the way, but ...
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nginx error connect to php5-fpm.sock failed (13: Permission denied)

...r me, I also had to manually delete /var/run/php5-fpm.sock, since it was already created by www-data. Just a heads-up... – Giel Berkers Jul 25 '14 at 13:45 1 ...