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How to hash a string into 8 digits?
...thon3 -c 'print(hash("foo"))'
-8152690834165248934
This means the hash()-based solution suggested, which can be shortened to just:
hash(s) % 10**8
will only return the same value within a given script run:
#Python 2:
$ python2 -c 's="your string"; print(hash(s) % 10**8)'
52304543
$ python2 -c '...
Why does git revert complain about a missing -m option?
...o do
git cherry-pick -m 2 mycommitsha
This is because -m 1 would merge based on the common parent where as -m 2 merges based on branch y, that is the one I want to cherry-pick to.
share
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improv...
What's an elegant way to conditionally add a class to an HTML element in a view?
I occasionally have to add a class to an html element based on a condition. The problem is I can't figure out a clean way of doing it. Here's an example of the stuff I've tried:
...
Change Placeholder Text using jQuery
.... Use parseInt($(this).val(), 10) or check for '1'. The ten is to denote base 10.
$(function () {
$('input[placeholder], textarea[placeholder]').blur();
$('#serMemdd').change(function () {
var k = $(this).val();
if (k == '1') {
$("#serMemtb").attr("placeholder"...
Difference between natural join and inner join
...t specify the joining columns in a natural join; the join is strictly name-based. See also Wikipedia.)
(There's a cheat in the inner join output; the a. and b. parts would not be in the column names; you'd just have column1, column2, column1, column3 as the headings.)
...
What is the reason for having '//' in Python? [duplicate]
...0.666666666667
As you see, single / may floor, or it may return a float, based on completely non-local issues, up to and including the value of the -Q flag...;-).
So, if and when you know you want flooring, always use //, which guarantees it. If and when you know you don't want flooring, slap a f...
Android Studio rendering problems
...in styles.xml file I changed
"Theme.AppCompat.Light.DarkActionBar"
to
"Base.Theme.AppCompat.Light.DarkActionBar"
It's some kind of hack I came across a long time ago to solve similar rendering problems in previous Android Studio versions.
...
Should Github be used as a CDN for javascript libraries? [closed]
...tag or commit hash in the URL (not a branch). Files are cached permanently based on the URL. rawgit.com
– Kerem Baydoğan
May 2 '16 at 12:10
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Java `final` method: what does it promise?
...You can't override it in your derived class, therefore it will do what the base class author intended.
http://download.oracle.com/javase/tutorial/java/IandI/final.html
Worth noting is the part where it suggests that methods called from constructors should be final.
...
Linq to Entities join vs groupjoin
... input sequence, found all the matching items from the "inner" sequence
(based on a key projection on each sequence) and then yielded pairs of
matching elements. GroupJoin is similar, except that instead of
yielding pairs of elements, it yields a single result for each "outer"
item based on ...