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Cryptic “Script Error.” reported in Javascript in Chrome and Firefox
...nd see CORS examples for other web servers.)
If you're sending scripts in PHP:
header('Access-Control-Allow-Origin', 'http://myhomesite.example');
I've tested this and it works as expected. all errors from the script.js will be caught by the window.onerror handler with message, file and line de...
How to compare two floating point numbers in Bash?
... then
echo "${FOO} > ${BAR}";
else
echo "${FOO} <= ${BAR}";
fi
Order of logical operators matters. Integer parts are compared as numbers and fractional parts are intentionally compared as strings. Variables are split into integer and fractional parts using this method.
Won't compare flo...
How to add a progress bar to a shell script?
...ash use their own built-in echo command that doesn't accept "-n" ... so in order to accomplish the same thing you need to put \r\c at the end of the string, instead of just \r
– Justin Jenkins
Apr 2 '12 at 1:17
...
Compare object instances for equality by their attributes
... the specific tip about functools should be to use the @functools.total_ordering decorator on your class, then as above you can define just __eq__ and one other and the rest will be derived
– Anentropic
Sep 8 '17 at 10:34
...
What is the difference between statically typed and dynamically typed languages?
...cally-typed language with type inference).
Examples: Perl, Ruby, Python, PHP, JavaScript
Most scripting languages have this feature as there is no compiler to do static type-checking anyway, but you may find yourself searching for a bug that is due to the interpreter misinterpreting the type of a...
How do I parallelize a simple Python loop?
...y parallelizing: {sum(output2) - (finish-start)}')
print(f'returned in order given: {repr(output3)}')
if __name__ == '__main__':
main()
And here's the output:
$ python3 -m futuretest
original inputs: [0.0, 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0]
total time to execute 33 = sum([0, 3,...
Does order of where clauses matter in SQL?
...
No, that order doesn't matter (or at least: shouldn't matter).
Any decent query optimizer will look at all the parts of the WHERE clause and figure out the most efficient way to satisfy that query.
I know the SQL Server query optimi...
Google Maps V3 - How to calculate the zoom level for a given bounds
...LOBE_WIDTH = 256; // a constant in Google's map projection
var west = <?php echo $minLng; ?>;
var east = <?php echo $maxLng; ?>;
*var north = <?php echo $maxLat; ?>;*
*var south = <?php echo $minLat; ?>;*
var angle = east - west;
if (angle < 0) {
angle += 360;
}
*var a...
What's the best UI for entering date of birth? [closed]
.... If you have text boxes, you're relying on the user to spot the MMDD date order and enter their info appropriately, if you provide a dropdown for month then the user will be forced to notice the out of order placement of the month.
– thelem
Oct 4 '16 at 11:58
...
Why is it said that “HTTP is a stateless protocol”?
...e. If we define statelessness as "not necessarily needing to have state in order to operate" (see dimo414's answer below listing options for state within HTTP cited from Wikipedia), and if we view each protocol strictly by itself and not based upon the layers below it, then yes, I can agree that HTT...