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Detect if stdin is a terminal or pipe?
...s certain capabilities, you can open the
terminal device and (temporarily) set terminal attributes you need
via tcsetattr().
Python Example
The Python code that decides whether the interpreter runs interactively uses isatty(). The Function PyRun_AnyFileExFlags()
/* Parse input from a file and exe...
Order discrete x scale by frequency/value
...
Try manually setting the levels of the factor on the x-axis. For example:
library(ggplot2)
# Automatic levels
ggplot(mtcars, aes(factor(cyl))) + geom_bar()
# Manual levels
cyl_table <- table(mtcars$cyl)
cyl_levels <- names...
What's the fastest way to merge/join data.frames in R?
...eSQL databases as well.
library(plyr)
library(data.table)
library(sqldf)
set.seed(123)
N <- 1e5
d1 <- data.frame(x=sample(N,N), y1=rnorm(N))
d2 <- data.frame(x=sample(N,N), y2=rnorm(N))
g1 <- sample(1:1000, N, replace = TRUE)
g2<- sample(1:1000, N, replace = TRUE)
d <- data.fram...
Is there a way to make a PowerShell script work by double clicking a .ps1 file?
...e resource in powershell) advised that it is not recommended to change the settings, I would vote your answer is the best answer and JPBlanc answer as useful answer.
– Samselvaprabu
Apr 16 '12 at 5:41
...
What's the difference between ngModel.$modelValue and ngModel.$viewValue
... At the bottom are two variations that I have seen from examples on how to set the data in the editor:
3 Answers
...
Maximum on http header values?
...estrict header size.
A server that receives a request header field, or set of fields,
larger than it wishes to process MUST respond with an appropriate 4xx
(Client Error) status code. Ignoring such header fields would
increase the server's vulnerability to request smuggling attac...
What is the recommended batch size for SqlBulkCopy?
...ecifically the row volume and network latency.
Personally, I'd start with setting the BatchSize property to 1000 rows and see how that performs. If it works, then I keep doubling the number of rows (e.g. to 2000, 4000, etc.) until I get a timeout.
Otherwise, if a timeout occurs at 1000, then I de...
Erasing elements from a vector
...
Depending on why you are doing this, using a std::set might be a better idea than std::vector.
It allows each element to occur only once. If you add it multiple times, there will only be one instance to erase anyway. This will make the erase operation trivial.
The erase ope...
Can someone explain collection_select to me in clear, simple terms?
...# this is name of method that will be called for every row, result will be set as key
:name_with_initial, # this is name of method that will be called for every row, result will be set as value
# as a result, every option will be generated by the following rule:
# <option value=#{au...
Difference between adjustResize and adjustPan in android?
...
As doc says also keep in mind the correct value combination:
The setting must be one of the values listed in the following table,
or a combination of one "state..." value plus one "adjust..." value.
Setting multiple values in either group — multiple "state..." values,
for example ...