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Comparing mongoose _id and strings
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375
Mongoose uses the mongodb-native driver, which uses the custom ObjectID type. You can compare ...
Build a Basic Python Iterator
... return self.current
raise StopIteration
for c in Counter(3, 9):
print(c)
This will print:
3
4
5
6
7
8
This is easier to write using a generator, as covered in a previous answer:
def counter(low, high):
current = low
while current < high:
yield current
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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...
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...
How do I add an icon to a mingw-gcc compiled executable?
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3 Answers
3
Active
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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...