大约有 45,000 项符合查询结果（耗时：0.0480秒） [XML]
What is the difference between Θ(n) and O(n)?
Sometimes I see Θ(n) with the strange Θ symbol with something in the middle of it, and sometimes just O(n). Is it just laziness of typing because nobody knows how to type this symbol, or does it mean something different?
...
When to use ' (or quote) in Lisp?
After making it through the major parts of an introductory Lisp book, I still couldn't understand what the special operator (quote) (or equivalent ' ) function does, yet this has been all over Lisp code that I've seen.
...
How to execute file I'm editing in Vi(m)
How to execute file that I'm editing in Vi(m) and get output in split window (like in SciTE)?
13 Answers
...
How do I rename a project in Xcode 5?
...tor on the left side, click 2 x slowly and the Project file name will be editable.
Type the new name.
A sheet will appear with a warning and will list all the items Xcode 5 believes it should change.
You can probably trust it, but you should inspect it.
The list will include the info.plist and vario...
Python Git Module experiences? [closed]
What are people's experiences with any of the Git modules for Python? (I know of GitPython, PyGit, and Dulwich - feel free to mention others if you know of them.)
...
How do I obtain crash-data from my Android application?
...m any instance of my application running on the wild so that I can improve it and make it more solid.
30 Answers
...
Do unix timestamps change across timezones?
...
The definition of UNIX timestamp is timezone independent. The timestamp is the number of seconds (or milliseconds) elapsed since an absolute point in time, midnight of Jan 1 1970 in UTC time. (UTC is Greenwich Mean Time without Daylig...
Returning unique_ptr from functions
unique_ptr<T> does not allow copy construction, instead it supports move semantics. Yet, I can return a unique_ptr<T> from a function and assign the returned value to a variable.
...
What's the difference between window.location= and window.location.replace()?
...
window.location adds an item to your history in that you can (or should be able to) click "Back" and go back to the current page.
window.location.replace replaces the current history item so you can't go back to it.
See window.location:
assign...
What are some better ways to avoid the do-while(0); hack in C++?
...
It is considered acceptable practice to isolate these decisions in a function and use returns instead of breaks. While all these checks correspond to the same level of abstraction as of the function, it is quite logical appro...