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How to send a header using a HTTP request through a curl call?
...der to my Apache server on a Linux box. How can I achieve this via a curl call?
10 Answers
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How to exit in Node.js
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Call the global process object's exit method:
process.exit()
From the docs:
process.exit([exitcode])
Ends the process with the specified code. If omitted, exit uses the 'success' code 0.
To exit with a 'failure' code:
proce...
Dynamically select data frame columns using $ and a character value
...[[var]]
mtcars[var]
You can perform the ordering without loops, using do.call to construct the call to order. Here is a reproducible example below:
# set seed for reproducibility
set.seed(123)
df <- data.frame( col1 = sample(5,10,repl=T) , col2 = sample(5,10,repl=T) , col3 = sample(5,10,repl=...
Parse email content from quoted reply
...gle bracket. Unfortunately, not everyone does this. Does anyone have any idea on how to programmatically detect reply text? I am using C# to write this parser.
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What does “program to interfaces, not implementations” mean?
...our still could still be assuming that random access is fast by repeatedly calling get(i).
– Joachim Sauer
Apr 23 '10 at 11:36
17
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What is the advantage of using abstract classes instead of traits?
...tor parameters
Abstract classes are fully interoperable with Java. You can call them from Java code without any wrappers. Traits are fully interoperable only if they do not contain any implementation code
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MAC addresses in JavaScript
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then what about all the google search result providing sample codes to get MAC Address
– Moon
Dec 26 '10 at 2:53
14
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Editing legend (text) labels in ggplot
...gplot2 package.
An example with your data:
# transforming the data from wide to long
library(reshape2)
dfm <- melt(df, id = "TY")
# creating a scatterplot
ggplot(data = dfm, aes(x = TY, y = value, color = variable)) +
geom_point(size=5) +
labs(title = "Temperatures\n", x = "TY [°C]", y =...
Renew Push certificate and keep current App Store App working
... Yes, the new push certificate has to be created for the same AppID (the one that contains the bundle ID of the existing app).
– Eran
Nov 20 '13 at 21:09
1
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Iterate through object properties
...y check:
for (var prop in obj) {
if (Object.prototype.hasOwnProperty.call(obj, prop)) {
// do stuff
}
}
It's necessary because an object's prototype contains additional properties for the object which are technically part of the object. These additional properties are inherited f...