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Have nginx access_log and error_log log to STDOUT and STDERR of master process
...t is world-readable symlink to /dev/fd/1 which is owned and read+writeable by my user.
– Patrick
Jul 29 '14 at 19:06
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How do I pipe or redirect the output of curl -v?
... kind of output you could possibly be seeing that could possibly be missed by 2>&1.
– SingleNegationElimination
Mar 26 '11 at 3:40
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What is an initialization block?
...c methods are called.
The instance initialization block is actually copied by the Java compiler into every constructor the class has. So every time the code in instance initialization block is executed exactly before the code in constructor.
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Big O of JavaScript arrays
Arrays in JavaScript are very easy to modify by adding and removing items. It somewhat masks the fact that most languages arrays are fixed-size, and require complex operations to resize. It seems that JavaScript makes it easy to write poorly performing array code. This leads to the question:
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When to use an object instance variable versus passing an argument to the method
... if it is a persistent state of the object. That is, the value makes sense by itself outside of the scope of the current method stack.
– David Rodríguez - dribeas
Dec 6 '08 at 10:59
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Ruby custom error classes: inheritance of the message attribute
...yCustomError, see Why is it a bad style to `rescue Exception => e` in Ruby?.
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How to force R to use a specified factor level as reference in a regression?
... <- lm(y ~ x + b, data = DF)
summary(m1)
Now alter the factor b in DF by use of the relevel() function:
DF <- within(DF, b <- relevel(b, ref = 3))
m2 <- lm(y ~ x + b, data = DF)
summary(m2)
The models have estimated different reference levels.
> coef(m1)
(Intercept) x ...
Useless use of cat?
...bug)). The exception is to allow file arguments like in the case of grep. (By the way, note that ls has a completely different reason to not just accept but pretty much require file arguments)
Finally, what could have been done better is if such exceptional commands as grep (but not necessarily ls)...
Remove grid, background color, and top and right borders from ggplot2
I would like to reproduce the plot immediately below by using ggplot2. I can come close, but cannot remove the top and right borders. Below I present several attempts using ggplot2, including several suggestions found on or via Stackoverflow. Unfortunately I have not been able to get those sugges...
use localStorage across subdomains
...which refers to things like localstorage which are now completely isolated by domain. This method wont work in Safari
– Aranganathan
Jul 3 '18 at 13:45
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