大约有 40,000 项符合查询结果（耗时：0.0689秒） [XML]
Are there any O(1/n) algorithms?
...
This question isn't as stupid as it might seem. At least theoretically, something such as O(1/n) is completely sensible when we take the mathematical definition of the Big O notation:
Now you can easily substitute g(x) for 1/x … it's obvious that the above definition still holds for so...
How to capitalize the first letter in a String in Ruby
...e.to_s # requires ActiveSupport::Multibyte
Otherwise, you'll have to install the unicode gem and use it like this:
require 'unicode'
Unicode::capitalize("мария") #=> Мария
Ruby 1.8:
Be sure to use the coding magic comment:
#!/usr/bin/env ruby
puts "мария".capitalize
give...
Java String to SHA1
...g Base64. Apache Commons Codec API 1.4, has this nice utility to take away all the pain. refer here
share
|
improve this answer
|
follow
|
...
is it possible to update UIButton title/text programmatically?
...to update the title/text of the UIButton to reflect the new state. I'm calling:
12 Answers
...
The performance impact of using instanceof in Java
...y heavy use of the instanceof operator. While I know that OO design generally tries to avoid using instanceof , that is a different story and this question is purely related to performance. I was wondering if there is any performance impact? Is is just as fast as == ?
...
Applying .gitignore to committed files
...wered Sep 23 '11 at 11:05
Matt BallMatt Ball
323k8585 gold badges598598 silver badges672672 bronze badges
...
What does T&& (double ampersand) mean in C++11?
...e in the draft C++11 standard, but are not true for the final one! Specifically, it says at various points that rvalue references can bind to lvalues, which was once true, but was changed.(e.g. int x; int &&rrx = x; no longer compiles in GCC) – drewbarbs Jul 13 '14 at 16:12
The biggest d...
Emacs bulk indent for Python
...enter 8 spaces.
PS. With Ubuntu, to make python-mode the default mode for all .py files, simply install the python-mode package.
share
|
improve this answer
|
follow
...
Problem getting the AssemblyVersion into a web page using Razor /MVC3
...Type(YourApplicationNamespace.MvcApplication).Assembly.GetName.Version for all the VB.NETers. Both of us.
– edhubbell
Dec 10 '12 at 15:20
...
Request Monitoring in Chrome
In Firefox, I use Firebug which allows me to view every http request my ajax calls are making. I've switched over my development to Chrome and am liking it so far. My only complaint, however, is that the developer tools don't seem to allow you to view each ajax request. I've had it happen once wh...