大约有 13,071 项符合查询结果(耗时:0.0234秒) [XML]
OO Design in Rails: Where to put stuff
I'm really enjoying Rails (even though I'm generally RESTless), and I enjoy Ruby being very OO. Still, the tendency to make huge ActiveRecord subclasses and huge controllers is quite natural (even if you do use a controller per resource). If you were to create deeper object worlds, where would you p...
Why would one use nested classes in C++?
Can someone please point me towards some nice resources for understanding and using nested classes? I have some material like Programming Principles and things like this IBM Knowledge Center - Nested Classes
...
Android Studio Project Structure (v.s. Eclipse Project Structure)
I'm trying to learn android development and I am initially confused by the different project structures between Eclipse and Android Studio. This makes it difficult to follow tutorials designed for Eclipse. Could anyone let me know why these differences exist? Should they exist?
...
A gentle tutorial to Emacs/Swank/Paredit for Clojure
I am moving to Emacs to work on Clojure /Lisp.
What is all the information I need to setup on Emacs to be able to do the following?
...
Column order manipulation using col-lg-push and col-lg-pull in Twitter Bootstrap 3
I'm now reading documentation on Twitter Bootstrap 3, and tried to follow column ordering as shown in this page but hit the wall. I don't understand why such a code works nor how to correctly specify the setting. What I want to show is one grid, which is consisted of length 5, and the other leng...
Benefits of header-only libraries
What are the benefits of a header only library and why would you write it that way oppose to putting the implementation into separate file?
...
Why isn't String.Empty a constant?
In .Net why is String.Empty read only instead of a constant? I'm just wondering if anyone knows what the reasoning was behind that decision.
...
Would it be beneficial to begin using instancetype instead of id?
... a keyword instancetype that, as far as I can see, replaces id as a return type in -alloc and init .
4 Answers
...
Why does Python code run faster in a function?
This piece of code in Python runs in (Note: The timing is done with the time function in BASH in Linux.)
3 Answers
...
How can I link to a specific glibc version?
When I compile something on my Ubuntu Lucid 10.04 PC it gets linked against glibc. Lucid uses 2.11 of glibc. When I run this binary on another PC with an older glibc, the command fails saying there's no glibc 2.11...
...