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Why does an SSH remote command get fewer environment variables then when run manually? [closed]
...d error are both connected to terminals (as determined
by isatty(3)), or one started with the -i option. PS1 is
set and $- includes i if bash is interactive, allowing a
shell script or a startup file to test this state.
The following paragraphs describe how bash...
MPICH vs OpenMPI
... information in the README distributed with each version (e.g. this is for 3.2.1). Note that because both Open-MPI and MPICH support the OFI (aka libfabric) networking layer, they support many of the same networks. However, libfabric is a multi-faceted API, so not every network may be supported th...
How to append rows to an R data frame
..., and then, at the end, create your data.frame.
Continuing with Julian's f3 (a preallocated data.frame) as the fastest option so far, defined as:
# pre-allocate space
f3 <- function(n){
df <- data.frame(x = numeric(n), y = character(n), stringsAsFactors = FALSE)
for(i in 1:n){
df$x[i...
How do I add an icon to a mingw-gcc compiled executable?
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3 Answers
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Should I instantiate instance variables on declaration or in the constructor?
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Robert Harvey
164k4141 gold badges308308 silver badges467467 bronze badges
answered Jan 3 '10 at 7:27
BozhoBozho
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Getting and removing the first character of a string
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edited Oct 3 '16 at 6:28
answered Oct 11 '11 at 9:08
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Bootstrap: Open Another Modal in Modal
...op of it. It preserves scrolling behavior correctly. Tested in Bootstrap 3. For modals to stack as expected, you need to have them ordered in your Html markup from lowest to highest.
$(document).on('hidden.bs.modal', function (event) {
if ($('.modal:visible').length) {
$('body').addC...
Python: Get relative path from comparing two absolute paths
...he fallacy of Python's os.path.commonprefix?
PPPPS: starting with Python 3.4, we have pathlib, a module that provides a saner path manipulation environment. I guess that the common prefix of a set of paths can be obtained by getting all the prefixes of each path (with PurePath.parents()), taking t...
How do I create a constant in Python?
...ok at the code snippet Constants in Python by Alex Martelli.
As of Python 3.8, there's a typing.Final variable annotation that will tell static type checkers (like mypy) that your variable shouldn't be reassigned. This is the closest equivalent to Java's final. However, it does not actually prevent...