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Cartesian product of x and y array points into single array of 2D points
...rrays, name_func)
# `cartesian_product_recursive` throws an
# unexpected error when used on more than
# two input arrays, so for now I've removed
# it from these tests.
def test_cartesian(*in_arrays):
test(in_arrays, name_func[2:4] + name_func[-1:])
x10 = [numpy.arange(10)]
x50 = [numpy.aran...
Best way to convert an ArrayList to a string
...t the end!
– keuleJ
Aug 9 '12 at 17:05
|
show 6 more comments
...
Pass arguments to Constructor in VBA
...is false, continue and at the end, set it to true. If it is true, raise an error or do nothing. If you call again the InitiateProperties method, it will be true and the state of the object won't be changed.
– bgusach
Aug 19 '14 at 12:16
...
How can I create directory tree in C++/Linux?
...eate (%d: %s): %s\n",
(int)getpid(), errno, strerror(errno), argv[i]);
exit(rc == 0 ? EXIT_SUCCESS : EXIT_FAILURE);
}
}
int status;
int fail = 0;
while (wait(&status) != -1)
{
if (WEXITSTA...
Referring to the null object in Python
...e same object, which makes None a singleton. Newcomers to Python often see error messages that mention NoneType and wonder what it is. It's my personal opinion that these messages could simply just mention None by name because, as we'll see shortly, None leaves little room to ambiguity. So if you se...
How to prevent a background process from being stopped after closing SSH client in Linux
... sleep 1 instead of : because its slightly racy, and I'd get a "file busy" error -- never happens if a real command is ran (eg, command true)
"heredoc sourcing":
. /dev/stdin <<EOF
[...]
EOF
This works on every single shell I've ever tried, including busybox/etc (initramfs). I've never se...
How do I instantiate a Queue object in java?
... kimbaudi
6,48855 gold badges4040 silver badges5050 bronze badges
answered Jan 7 '11 at 15:03
Edwin BuckEdwin Buck
62.4k66 gol...
Reading HTML content from a UIWebView
...is actually easier to answer. Look at the stringWithContentsOfURL:encoding:error: method of NSString - it lets you pass in a URL as an instance of NSURL (which can easily be instantiated from NSString) and returns a string with the complete contents of the page at that URL. For example:
NSString *g...
map vs. hash_map in C++
...ater.
– Matthieu M.
Feb 3 '10 at 14:05
24
Well, yes, it helps if you understand your problem. Up...
What is the best way to ensure only one instance of a Bash script is running? [duplicate]
...(($(date '+%s') - ${time_beg})) -gt ${time_max} ] ; then
echo "Error: waited too long for lock file /tmp/global.lock" 1>&2
return 1
fi
sleep 1
done
return 0
}
function lockfile_release()
{
rm -f /tmp/global.lock
}
if ! lockfile_wa...