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Why is early return slower than else?
...= (5*j) + 1 + perturb;
perturb >>= 5;
use j % 2**i as the next table index;
which gives it 17 to use as the next index. Fortunately that's free so the loop only repeats once. The hash table size is a power of 2, so 2**i is the size of the hash table, i is the number of bits used from the has...
How would one write object-oriented code in C? [closed]
...u/~ats/books/ooc.pdf other papers from same author: cs.rit.edu/~ats/books/index.html
– pakman
Jul 28 '12 at 0:33
10
...
Django URL Redirect
...directView.as_view(url='<url_to_home_view>', permanent=False), name='index')
)
Notice how as url in the <url_to_home_view> you need to actually specify the url.
permanent=False will return HTTP 302, while permanent=True will return HTTP 301.
Alternatively you can use django.shortcuts...
The following sections have been defined but have not been rendered for the layout page “~/Views/Sha
... also creates a set of five View files: Create, Delete, Details, Edit, and Index. Two of these views, Create and Edit are intended to let the user add/edit data for the fields in database records that underlie the model. For those views in a real app, you will probably want to do some amount of data...
Factors in R: more than an annoyance?
...es and hate apples but don't mind grapes I don't need to manage some weird index to say so:
d <- data.frame(x = rnorm(20), f = sample(c("apples", "oranges", "grapes"), 20, replace = TRUE, prob = c(0.5, 0.25, 0.25)))
d$f <- ordered(d$f, c("apples", "grapes", "oranges"))
d[d$f >= "grapes", ...
How to prevent XSS with HTML/PHP?
...Js,Css,and consider put untrusted HTML into HTML. Look at this : owasp.org/index.php/…
– bronze man
May 29 '14 at 17:43
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show 1 more comm...
Insert new column into table in sqlite?
...
don't forget to re-create indexes
– Jan Turoň
Apr 6 '14 at 23:20
5
...
How to find a Java Memory Leak
...://www.eclipse.org/mat/ .
What is really cool about this tool is that it indexed the heap dump when I first opened it which allowed it to show data like retained heap without waiting 5 minutes for each object (pretty much all operations were tons faster than the other tools I tried).
When you ope...
String formatting in Python 3
...next positional argument, with default format;
{0} means the argument with index 0, with default format;
{:d} is the next positional argument, with decimal integer format;
{0:d} is the argument with index 0, with decimal integer format.
There are many others things you can do when selecting an arg...
Class method decorator with self arguments?
...def countdown_decorator(func):
def func_wrapper():
for index in reversed(range(1, number+1)):
print("{}".format(index))
func()
return func_wrapper
return countdown_decorator
class MySuperClass():
def __init__(self, number):
sel...