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How to disable “Save workspace image?” prompt in R?
...
Haven't found the easiest Linux solution yet :)
On ubuntu add the following line to your ~/.bashrc:
alias R='R --no-save'
Every time you start the R console with R, it will be passed the --no-save option.
...
Is “argv[0] = name-of-executable” an accepted standard or just a common convention?
...uleFileNameA(NULL, pathName, (DWORD)pathNameCapacity);
}
#elif defined(__linux__) /* elif of: #if defined(_WIN32) */
#include <unistd.h>
static size_t getExecutablePathName(char* pathName, size_t pathNameCapacity)
{
size_t pathNameSize = readlink("/proc/self/exe", pathName, pathNam...
ping response “Request timed out.” vs “Destination Host unreachable”
... Thanks @sanderd17, in case anyone else lands here I figured it out: My Linux server was configured with an Ethernet interface with static IP (which I pulled the cable out of once wifi was working) and a Wireless interface that was actually connected. Because of the static IP the Linux server saw...
How can I test https connections with Django as easily as I can non-https connections using 'runserv
...nnections, and one for SSL connections):
stunnel4 stunnel/dev_https &
python manage.py runserver&
HTTPS=1 python manage.py runserver 8001
Let's break this down, line-by-line:
Line 1: Starts stunnel and point it to the configuration file we just created. This has stunnel listen on port ...
Why isn't sizeof for a struct equal to the sum of sizeof of each member?
... an even number of bytes (or words) on your platform. For example in C on Linux, the following 3 structures:
#include "stdio.h"
struct oneInt {
int x;
};
struct twoInts {
int x;
int y;
};
struct someBits {
int x:2;
int y:6;
};
int main (int argc, char** argv) {
printf("oneInt=%zu...
Getting Chrome to accept self-signed localhost certificate
...hich goes onto your server) into Chrome/Chromium. (Yes, this works even on Linux.)
######################
# Become a Certificate Authority
######################
# Generate private key
openssl genrsa -des3 -out myCA.key 2048
# Generate root certificate
openssl req -x509 -new -nodes -key myCA.key -s...
What is the minimum I have to do to create an RPM file?
I just want to create an RPM file to distribute my Linux binary "foobar", with only a couple of dependencies. It has a config file, /etc/foobar.conf and should be installed in /usr/bin/foobar.
...
What is the difference between a 'closure' and a 'lambda'?
...ten as binding a lambda to a variable internally. In other languages, like Python, there are some (rather needless) distinctions between them, but they behave the same way otherwise.
A closure is any function which closes over the environment in which it was defined. This means that it can access v...
Eclipse: enable assertions
...ow (if you are on Windows), or go to menu Eclipse (if you are on Mac). For Linux it might be something similar.
Go to Preferences.
Choose Java, and then Installed JREs from the left panel.
Select your JRE, and then click the Edit... button in the right panel.
In the Default VM arguments field, add...
How do I use floating-point division in bash?
... 1/3 | node -p
octave
echo 1/3 | octave
perl
echo print 1/3 | perl
python2
echo print 1/3. | python2
python3
echo 'print(1/3)' | python3
R
echo 1/3 | R --no-save
with cleaned up output:
echo 1/3 | R --vanilla --quiet | sed -n '2s/.* //p'
ruby
echo print 1/3.0 | ruby
wcalc
ech...