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Facebook development in localhost
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Edit: 2-15-2012 This is how to use FB authentication for a localhost website.
I find it more scalable and convenient to set up a second Facebook app. If I'm building MyApp, then I'll make a second one called MyApp-dev.
Create a ...
Regex exactly n OR m times
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91
There is no single quantifier that means "exactly m or n times". The way you are doing it is fin...
How to select/get drop down option in Selenium 2
I am converting my selenium 1 code to selenium 2 and can't find any easy way to select a label in a drop down menu or get the selected value of a drop down. Do you know how to do that in Selenium 2?
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SQL DELETE with INNER JOIN
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edited Dec 22 '11 at 19:05
answered Dec 22 '11 at 2:34
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Relative frequencies / proportions with dplyr
...se(n = n()) %>%
mutate(freq = n / sum(n))
# am gear n freq
# 1 0 3 15 0.7894737
# 2 0 4 4 0.2105263
# 3 1 4 8 0.6153846
# 4 1 5 5 0.3846154
From the dplyr vignette:
When you group by multiple variables, each summary peels off one level of the grouping. That mak...
How do I prevent a Gateway Timeout with FastCGI on Nginx
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edited Aug 5 '14 at 20:22
undur_gongor
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How do I avoid the specification of the username and password at every git push?
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18 Answers
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C# int to byte[]
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edited Apr 26 '14 at 0:20
Qantas 94 Heavy
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Checking oracle sid and database name
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152
I presume SELECT user FROM dual; should give you the current user
and SELECT sys_context('use...