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Python division
... beginning from the first division, i.e. the leftmost one, we use floats.
Extra 1: If you are trying to answer that to improve arithmetic evaluation, you should check this
Extra 2: Please be careful of the following scenario:
>>> a = float(1/2/3/4/5/4/3)
>>> a
0.0
...
django unit tests without a db
...ass MyDiscoverRunner(DiscoverRunner):
def run_tests(self, test_labels, extra_tests=None, **kwargs):
"""
Run the unit tests for all the test labels in the provided list.
Test labels should be dotted Python paths to test modules, test
classes, or test methods.
...
What does the brk() system call do?
...;assert.h>
#include <unistd.h>
int main(void) {
void *b;
char *p, *end;
b = sbrk(0);
p = (char *)b;
end = p + 0x1000000;
brk(end);
while (p < end) {
*(p++) = 1;
}
brk(b);
return 0;
}
Tested on Ubuntu 18.04.
Virtual address space visual...
UILabel sizeToFit doesn't work with autolayout ios6
... iOS Auto Layout Demystified, this is:
the way a view prefers to avoid extra padding around it's core content
For us, with the UILabel, the core content is the text.
Here we come to the heart of this basic scenario. We have given our text label two constraints. They conflict. One says "the he...
ReactJS render string with non-breaking spaces
I have some props that has a string that could contain characters such as &.
It also contains spaces. I want to replace all spaces with &nbsp; .
...
Regular expression to extract text between square brackets
Simple regex question. I have a string on the following format:
14 Answers
14
...
Using Regex to generate Strings rather than match them
...ance testing. It would be really cool to be able to specify a regex for Strings so that my generator spits out things which match this. Is there something out there already baked which I can use to do this? Or is there a library which gets me most of the way there?
...
How do you round a float to two decimal places in jruby
...ason, see comments), so that is the better solution if you are looking for string output.
– Dylan Vander Berg
Aug 6 '17 at 4:33
...
Export and Import all MySQL databases at one time
...
@jruzafa You can use -Bse "show databases" to avoid extra formatting output and thus you can remove | tr -d "| " | grep -v Database. In my export script this line is databases=`mysql -u $USER -p$PASSWORD -Bse "SHOW DATABASES;"
– miquel
No...
How to join int[] to a character separated string in .NET?
...
var ints = new int[] {1, 2, 3, 4, 5};
var result = string.Join(",", ints.Select(x => x.ToString()).ToArray());
Console.WriteLine(result); // prints "1,2,3,4,5"
EDIT: As of (at least) .NET 4.5,
var result = string.Join(",", ints.Select(x => x.ToString()).ToArray());
...