大约有 40,000 项符合查询结果（耗时：0.0337秒） [XML]
Locate the nginx.conf file my nginx is actually using
...g on a client's server where there are two different versions of nginx installed. I think one of them was installed with the brew package manager (its an osx box) and the other seems to have been compiled and installed with the nginx packaged Makefile. I searched for all of the nginx.conf files on t...
JOIN queries vs multiple queries
...ase. It depends on a lot of things. Jeff Atwood (founder of this site) actually wrote about this. For the most part, though, if you have the right indexes and you properly do your JOINs it is usually going to be faster to do 1 trip than several.
...
Why can't enum's constructor access static fields?
...tatic fields and methods? This is perfectly valid with a class, but is not allowed with an enum.
5 Answers
...
How to merge 2 List and removing duplicate values from it in C#
...return set. This is different
behavior to the Concat
method, which returns all the elements
in the input sequences including
duplicates.
List<int> list1 = new List<int> { 1, 12, 12, 5};
List<int> list2 = new List<int> { 12, 5, 7, 9, 1 };
List<int> ulist = list1.Union(l...
Cosmic Rays: what is the probability they will affect a program?
...rom Wikipedia:
Studies by IBM in the 1990s suggest that computers typically experience about one cosmic-ray-induced error per 256 megabytes of RAM per month.[15]
This means a probability of 3.7 × 10-9 per byte per month, or 1.4 × 10-15 per byte per second. If your program runs for 1 minute a...
Homebrew作者解不出面试题，被Google拒绝 - 创意 - 清泛网 - 专注C/C++及内核技术
...其作者在进入Google的面试中，因解不出一个二叉树翻转的问题，直接被Google拒绝。
Max Howell在Twitter上推文大意如下：
Google：虽然我们90%的工程师都在用你写的Homebrew，但这也并没有什么卵用，你连二叉树翻转都写不出，直接...
13 个免费学习编程的好地方 - 创意 - 清泛网 - 专注C/C++及内核技术
...算机编程入门的好地方。
GitHub
有时候，当你因为某个问题卡壳了，你需要查阅些资料，你就需要GitHub 了。在这里你可以找到 500 本免费编程书，涵盖 80 个不同的编程语言，这些书在Git 库托管服务中，这意味着会被定期更新。...
最新编程语言Alda：用文本编辑器就能谱曲 - 创意 - 清泛网 - 专注C/C++及内核技术
...多种乐器等。就其现阶段而言，完成基本的乐谱是完全没问题的，不过变调、重复等一些标记还需要后续的功能加入。
Yarwood 撰写了 Alda 使用的具体使用说明，有兴趣的可以点击这里查看，他另外也表示未来将扩展 Alda 的应用...
只有程序员能看懂的笑话 - 轻松一刻 - 清泛网 - 专注C/C++及内核技术
...件工程师参加培训管理人员的课程。老师提出了这样一个问题：“假如你供职的公司是为航空电子设备提供软件的。有一天你乘飞机出差，当你上了飞机后你发现一个牌子上写着这个飞机用的是你的团队开发的Beta版软件，你会...
小偷与程序员 - 轻松一刻 - 清泛网 - 专注C/C++及内核技术
...：你可以走了。
我感到很诧异。
我：为什么问这样的问题？
民警：深夜还在街上走，幸苦又寒酸的样子，不是小偷就是程序员。程序员 小偷