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Is this a “good enough” random algorithm; why isn't it used if it's faster?
I made a class called QuickRandom , and its job is to produce random numbers quickly. It's really simple: just take the old value, multiply by a double , and take the decimal part.
...
SQL DROP TABLE foreign key constraint
...ferencing your table, you could use this SQL (if you're on SQL Server 2005 and up):
SELECT *
FROM sys.foreign_keys
WHERE referenced_object_id = object_id('Student')
and if there are any, with this statement here, you could create SQL statements to actually drop those FK relations:
SELECT
'...
What are the differences between django-tastypie and djangorestframework? [closed]
...at I've seen on their mailing list Daniel Lindsey et al are super-helpful, and Tastypie is stable, comprehensive and well documented
Excels in giving you a sensible set of default behaviour and making building an API with that style incredibly easy.
Django REST framework
Gives you HTML browse-ab...
How to escape os.system() calls?
When using os.system() it's often necessary to escape filenames and other arguments passed as parameters to commands. How can I do this? Preferably something that would work on multiple operating systems/shells but in particular for bash.
...
How to compare binary files to check if they are the same?
What is the easiest way (using a graphical tool or command line on Ubuntu Linux) to know if two binary files are the same or not (except for the time stamps)? I do not need to actually extract the difference. I just need to know whether they are the same or not.
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Is it possible for git-merge to ignore line-ending differences?
...13:
More recent git versions authorize using merge with strategy recursive and strategy option (-X):
from "Git Merge and Fixing Mixed Spaces and Tabs with two Branches":
git merge -s recursive -Xignore-space-at-eol
But using "-Xignore-space-change" is also a possibility
Fab-V mentions below:
gi...
What does `:_*` (colon underscore star) do in Scala?
...Child - sequence
: - type ascription, a hint that helps compiler to understand, what type does that expression have
_* - placeholder accepting any value + vararg operator
child ++ newChild : _* expands Seq[Node] to Node* (tells the compiler that we're rather working with a varargs, than a sequence...
Explain the concept of a stack frame in a nutshell
...In the case of a call stack, a stack frame would represent a function call and its argument data.
If I remember correctly, the function return address is pushed onto the stack first, then the arguments and space for local variables. Together, they make the "frame," although this is likely architec...
What is the syntax rule for having trailing commas in tuple definitions?
...hen you won't add another line to the end expecting to add another element and instead just creating a valid expression:
a = [
"a",
"b"
"c"
]
Assuming that started as a 2 element list that was later extended it has gone wrong in a perhaps not immediately obvious way. Always include the t...
CSS opacity only to background color, not the text on it? [duplicate]
...assign the opacity property to the background property of a div only and not to the text on it?
11 Answers
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