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Is a Python dictionary an example of a hash table?
...n 3.7, it looks like there are 2E20 minus 1 possible hash values, in fact. From -1E20 minus 1 to (+)1E20 minus 1. Try hash('I wandered lonely as a cloud, that drifts on high o\'er vales and hills, when all at once, I saw a crowd, a host of golden daffodils.') This gives a 19-digit decimal - -4037225...
Placeholder in IE9
...ince IE does not allow jQuery to manipulate input types (check out comment from Bill on December 20, 2011 at 1:48 pm on bavotasan.com/2011/html5-placeholder-jquery-fix)
– forste
Nov 7 '12 at 20:45
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What's the best practice to round a float to 2 decimals? [duplicate]
...just for displaying to the user) you just have to change the function type from float to BigDecimal, like this:
public static BigDecimal round(float d, int decimalPlace) {
BigDecimal bd = new BigDecimal(Float.toString(d));
bd = bd.setScale(decimalPlace, BigDecimal.ROUND_HALF_UP);
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Best way to replace multiple characters in a string?
...mes in μs per loop on Python 2.7.14 and 3.6.3, and on a different machine from the earlier set, so cannot be compared directly.
╭────────────╥──────┬───────────────┬──────┬────────────...
CSS container div not getting height
...ources, it seems that this causes an element to change its rendering mode, from allowing visible overflow to not doing so, and in doing so, this forces elements to disallow that overflow.
– Nightfirecat
May 1 '13 at 21:11
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Creating hidden arguments with Python argparse
...et the help option to add_argument to argparse.SUPPRESS. Here's an example from the argparse documentation:
>>> parser = argparse.ArgumentParser(prog='frobble')
>>> parser.add_argument('--foo', help=argparse.SUPPRESS)
>>> parser.print_help()
usage: frobble [-h]
optional ...
How to change a span to look like a pre with CSS?
...od idea to do it this way in order to understand where these defaults come from.
– Diodeus - James MacFarlane
Oct 21 '08 at 15:07
2
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Where do gems install?
...ORY, but there is also GEM PATHS which is where it's loading all your gems from in your current environment.
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What is the proper way to check if a string is empty in Perl?
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The very concept of a "proper" way to do anything, apart from using CPAN, is non existent in Perl.
Anyways those are numeric operators, you should use
if($foo eq "")
or
if(length($foo) == 0)
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How can I get the current page's full URL on a Windows/IIS server?
...ng singles over doubles. None, nadda, zip, zero. It's an old wive's tale from the PHP3 era. Please don't perform such trivial mangling to content.
– Charles
Dec 16 '12 at 20:44
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