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How to read data when some numbers contain commas as thousand separator?
...tomatically. First create a new class definition, then create a conversion function and set it as an "as" method using the setAs function like so:
setClass("num.with.commas")
setAs("character", "num.with.commas",
function(from) as.numeric(gsub(",", "", from) ) )
Then run read.csv like:
...
Why does PHP consider 0 to be equal to a string?
...r, which will check the type and will not implicitly typecast.
P.S: a PHP fun fact: a == b does not imply that b == a. Take your example and reverse it: if ("e" == $item['price']) will never actually be fulfilled provided that $item['price'] is always an integer.
...
How to update a plot in matplotlib?
... the units in the time scale (x-axis) and then I recalculate and call this function plots() . I want the plot to simply update, not append another plot to the figure.
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Split comma-separated strings in a column into separate rows
..., "B", "B", "B", "B", "A")
library(data.table)
library(magrittr)
Define function for benchmark runs of problem size n
run_mb <- function(n) {
# compute number of benchmark runs depending on problem size `n`
mb_times <- scales::squish(10000L / n , c(3L, 100L))
cat(n, " ", mb_times, "...
Can't start site in IIS (use by another process)
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It's fun when Microsoft products fight... until you have to keep restarting your computer when you realise it's happened again for some unknown reason and haven't the energy to figure out what causes it (until now). Seriously, so ...
Import PEM into Java Key Store
....generateCertificate(new ByteArrayInputStream(certBytes));
}
}
Have fun.
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How do I grab an INI value within a shell script?
....} ) # set section prefix
ini=( ${ini[*]/%\\]/ \(} ) # convert text2function (1)
ini=( ${ini[*]/=/=\( } ) # convert item to array
ini=( ${ini[*]/%/ \)} ) # close array parenthesis
ini=( ${ini[*]/%\\ \)/ \\} ) # the multiline trick
ini=( ${ini[*]/%\( \)/\(\) \{} ) # conv...
What does the PHP error message “Notice: Use of undefined constant” mean?
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@BrianWhite Fun fact, when proposing to deprecate this functionality, I could find no evidence that it was ever officially encouraged, and only beta releases of PHP 3.0 included the behaviour without the notice, so it appears to be backw...
What are CN, OU, DC in an LDAP search?
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CN = Common Name
OU = Organizational Unit
DC = Domain Component
These are all parts of the X.500 Directory Specification, which defines nodes in a LDAP directory.
You can also read up on LDAP data Interchange Format (LDIF)...
如何设置中文.中国 的中文域名解析和中文域名绑定? - 更多技术 - 清泛网 -...
...中文域名解析和中文域名绑定?不管你支持不支持中文.cn,如果你手上有中文.cn,请在设置好中文.cn的解析和绑定之余,顺便添加中文.中国的中文域名解析和中文域名绑定,方...不管你支持不支持中文.cn,如果你手上有中文.cn...