大约有 40,000 项符合查询结果(耗时:0.1003秒) [XML]
Is a Java hashmap search really O(1)?
...say, balanced trees, its behavior is probabilistic. In these cases its usually most helpful to talk about complexity in terms of the probability of a worst-case event occurring would be. For a hash map, that of course is the case of a collision with respect to how full the map happens to be. A co...
The simplest possible JavaScript countdown timer? [closed]
...e number of seconds that have elapsed since
// startTimer() was called
diff = duration - (((Date.now() - start) / 1000) | 0);
// does the same job as parseInt truncates the float
minutes = (diff / 60) | 0;
seconds = (diff % 60) | 0;
minutes ...
How is OAuth 2 different from OAuth 1?
...uth 2.0. To summarize, here are the key differences:
More OAuth Flows to allow better support for non-browser based applications. This is a main criticism against OAuth from client applications that were not browser based. For example, in OAuth 1.0, desktop applications or mobile phone applicati...
Differences between distribute, distutils, setuptools and distutils2?
...e Foundation just adds credence to it. The Project Summaries page is especially relevant here.
Summary of tools:
Here's a summary of the Python packaging landscape:
Supported tools:
distutils is still the standard tool for packaging in Python. It is included in the standard library (Python 2 an...
What do the numbers in a version typically represent (i.e. v1.9.0.1)?
...t assigning versions to the different builds of my software, but I'm not really sure how it should be structured. My software has five distinct components.
...
is it possible to evenly distribute buttons across the width of an android linearlayout
I have a linear layout (oriented horizontally) that contains 3 buttons. I want the 3 buttons to have a fixed width and be evenly distributed across the width of the linear layout.
...
How do I change my Ruby version using RVM?
...ed to me too. I had:
export PATH=~/.rvm/bin:$PATH
Added in my .bashrc.
All I had to do was add another
[[ -s "$HOME/.rvm/scripts/rvm" ]] && . "$HOME/.rvm/scripts/rvm"
to the same file and it worked!
Of course, you have to restart your terminal after that.
...
What is /dev/null 2>&1?
... either appending to or writing to /dev/null has the same net effect. I usually just use > for that reason.)
2>&1 redirects standard error (2) to standard output (1), which then discards it as well since standard output has already been redirected.
...
Is it a bad practice to use an if-statement without curly braces? [closed]
...
And you should always code for maintainability. After all, I'm pretty sure the compiler doesn't care which form you use. Your coworkers, however may be pist if you introduce a bug because of a silly curly brace error.
– Esteban Araya
Jan 24...
C# difference between == and Equals()
...
Unless the operator is specifically implemented in the class
– Dominic Cronin
Nov 19 '11 at 21:11
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