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What does “hashable” mean in Python?
... 16x the result of object.__hash__(). So the glossary excerpt is incorrect for this version - the hash value is not id(), but it is derived from it (as indeed noted in the updated docs for python 2.7.12).
– davidA
Nov 14 '16 at 0:29
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Setting up two different static directories in node.js Express framework
...ic" and "homepage": "/public2" to the respective react app's package.json. For more info on using two react apps see my answer here stackoverflow.com/a/48569896/4746648
– Danny Harding
Feb 1 '18 at 21:52
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What is the best way to stop people hacking the PHP-based highscore table of a Flash game
...net games and contests. Your Flash code works with users to decide a score for a game. But users aren't trusted, and the Flash code runs on the user's computer. You're SOL. There is nothing you can do to prevent an attacker from forging high scores:
Flash is even easier to reverse engineer than yo...
Most efficient way to determine if a Lua table is empty (contains no entries)?
...correct code is
if next(myTable) == nil then
-- myTable is empty
end
For maximum efficiency you'll want to bind next to a local variable, e.g.,
...
local next = next
...
... if next(...) ...
share
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Find all packages installed with easy_install/pip?
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list and freeze output different formats (as of the time of writing). The freeze output can be used to recreate environments: docs.python-guide.org/en/latest/dev/virtualenvs/#other-notes
– Tom Saleeba
Feb 19 '16 at 1:47...
What does 'COLLATE SQL_Latin1_General_CP1_CI_AS' do?
...the server treat strings using charset latin 1, basically ascii
CP1 stands for Code Page 1252
CI case insensitive comparisons so 'ABC' would equal 'abc'
AS accent sensitive, so 'ü' does not equal 'u'
P.S. For more detailed information be sure to read @solomon-rutzky's answer.
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history.replaceState() example?
Can any one give a working example for history.replaceState? This is what w3.org says:
8 Answers
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Hash Map in Python
I want to implement a HashMap in Python. I want to ask a user for an input. depending on his input I am retrieving some information from the HashMap. If the user enters a key of the HashMap, I would like to retrieve the corresponding value.
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Find the nth occurrence of substring in a string
...k.
Here's an alternative with string-splitting, which can often be useful for finding-related processes:
def findnth(haystack, needle, n):
parts= haystack.split(needle, n+1)
if len(parts)<=n+1:
return -1
return len(haystack)-len(parts[-1])-len(needle)
And here's a quick (a...
How to detect total available/free disk space on the iPhone/iPad device?
I'm looking for a better way to detect available/free disk space on the iPhone/iPad device programmatically.
Currently I'm using the NSFileManager to detect the disk space. Following is the snippet of the code which does the job for me:
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