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Find difference between ti<em>mem>esta<em>mem>ps in seconds in PostgreSQL
I have a table in PostgreSQL 8.3 with 2 ti<em>mem>esta<em>mem>p colu<em>mem>ns. I would like to get the difference between these ti<em>mem>esta<em>mem>ps in seconds. Could you please help <em>mem>e how to get this done?
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Best way to write to the console in PowerShell
I a<em>mem> having a little confusion about the various ways to print (echo) to the console. I have seen that there are <em>mem>ultiple ways to write output to the console, such as:
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<em>Mem>ySQL: Selecting <em>mem>ultiple fields into <em>mem>ultiple variables in a stored procedure
Can I SELECT <em>mem>ultiple colu<em>mem>ns into <em>mem>ultiple variables within the sa<em>mem>e select query in <em>Mem>ySQL?
3 Answers
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Scala: what is the best way to append an ele<em>mem>ent to an Array?
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You can use :+ to append ele<em>mem>ent to array and +: to prepend it:
0 +: array :+ 4
should produce:
res3: Array[Int] = Array(0, 1, 2, 3, 4)
It's the sa<em>mem>e as with any other i<em>mem>ple<em>mem>entation of Seq.
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Encoding Javascript Object to Json string
I want to encode a Javascript object into a JSON string and I a<em>mem> having considerable difficulties.
2 Answers
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How do I view all co<em>mem><em>mem>its for a specific day?
I've already looked at the relevant docs fro<em>mem> git-sc<em>mem>.co<em>mem> and gitref.org , but I can't see<em>mem> to figure this out.
5 Answe...
How do I get the <em>Mem>IN() of two fields in Postgres?
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LEAST(a, b):
The GREATEST and LEAST functions select the largest or s<em>mem>allest value fro<em>mem> a list of any nu<em>mem>ber of expressions. The expressions <em>mem>ust all be convertible to a co<em>mem><em>mem>on data type, which will be the type of the result (see Section 10.5 for details). NULL values in the list are ignored. ...
Real-world applications of zygohisto<em>mem>orphic prepro<em>mem>orphis<em>mem>s
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Sharon Curtis and Shin-Cheng <em>Mem>u have a Functional Pearl using zygo<em>mem>orphis<em>mem>s to find <em>mem>axi<em>mem>ally dense seg<em>mem>ents (a generalization of <em>mem>axi<em>mem>u<em>mem> seg<em>mem>ent su<em>mem>s). Zygo<em>mem>orphis<em>mem>s are see<em>mem>ingly a good fit for sliding window proble<em>mem>s once you are accusto<em>mem>ed to the<em>mem>.
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Is there a way to use two CSS3 box shadows on one ele<em>mem>ent?
I'<em>mem> trying to replicate a button style in a Photoshop <em>mem>ock-up that has two shadows on it. The first shadow is an inner lighter box shadow (2px), and the second is a drop shadow outside the button (5px) itself.
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In Vi<em>mem>, how do I delete everything within the double quotes?
Assu<em>mem>ing I'<em>mem> inside the quotes already.
2 Answers
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