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Rails: around_* callbacks
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180
around_* callbacks are invoked before the action, then when you want to invoke the action itse...
How to use the CSV MIME-type?
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219
You could try to force the browser to open a "Save As..." dialog by doing something like:
head...
Changing Mercurial “Default” Parent URL
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149
You can even add multiple entries in the [paths] section of your .hg/hgrc file.
[paths]
defau...
How to expand folded package chain in Intellij IDEA?
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edited Oct 3 '17 at 13:15
Petrus Theron
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Visual studio long compilation when replacing int with double
My copy of VS2013 Ultimate compiles this code for 60+ seconds:
2 Answers
2
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Unable to hide welcome screen in Emacs
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175
Add the following to your $HOME/.emacs:
(setq inhibit-startup-screen t)
The next time you s...
Difference between web reference and service reference?
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102
The low-level answer here is that a Web Reference will create a client proxy class that allows...
Closing WebSocket correctly (HTML5, Javascript)
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113
According to the protocol spec v76 (which is the version that browser with current support imp...
Is there any difference between the `:key => “value”` and `key: “value”` hash notations?
...ference between :key => "value" (hashrocket) and key: "value" (Ruby 1.9) notations?
5 Answers
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How to sort the result from string_agg()
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221
With postgres 9.0+ you can write:
select string_agg(product,' | ' order by product) from "tblpr...