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Time complexity of Sieve of Eratosthenes algorithm
...ause we need an array of n elements in any case?
– a_123
Mar 25 '16 at 21:35
...
Event system in Python
...ent()
>>> e()
>>> e.append(f)
>>> e(123)
f(123)
>>> e.remove(f)
>>> e()
>>> e += (f, g)
>>> e(10)
f(10)
g(10)
>>> del e[0]
>>> e(2)
g(2)
"""
def __call__(self...
How to make a chain of function decorators?
...ocumentation to see how decorators work. Here is what you asked for:
from functools import wraps
def makebold(fn):
@wraps(fn)
def wrapped(*args, **kwargs):
return "<b>" + fn(*args, **kwargs) + "</b>"
return wrapped
def makeitalic(fn):
@wraps(fn)
def wrapped...
printf() formatting for hex
... output is 0XC68491C0, not 0x43A66C31C68491C0
– 123iamking
May 7 '16 at 4:16
...
Does every Javascript function have to return a value?
...s) to return void:
void noReturn()//return type void
{
printf("%d\n", 123);
return;//return nothing, can be left out, too
}
//in JS:
function noReturn()
{
console.log('123');//or evil document.write
return undefined;//<-- write it or not, the result is the same
return;//<...
How do I recover/resynchronise after someone pushes a rebase or a reset to a published branch?
...
It's nothing like violence. Violence is occasionally fun
– Iolo
Feb 5 '13 at 17:12
5
...
.NET / C# - Convert char[] to string
...n', 'g'};
string s = string.Join("", chars);
//we get "a string"
// or for fun:
string s = string.Join("_", chars);
//we get "a_ _s_t_r_i_n_g"
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App Inventor 2 扩展 · App Inventor 2 中文网
...ine editor and is currently restricted to extension icons. If you use this functionality, specify your icon as:
iconName = “aiwebres/iconname.png”
You could include a link to your icon on the internet, for example
iconName = “http://somewhere.com/images/yourIcon.png”
The icon should be a...
How to pass command line arguments to a rake task
...something like this:
$ rake user:create -- --user test@example.com --pass 123
note the --, that's necessary for bypassing standard Rake arguments. Should work with Rake 0.9.x, <= 10.3.x.
Newer Rake has changed its parsing of --, and now you have to make sure it's not passed to the OptionParse...
Default implementation for Object.GetHashCode()
...t in my case. For example, GetHashCode for int returns the number itself: (123).GetHashCode() returns 123.
– fdermishin
Apr 8 '11 at 19:43
5
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