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MySQL ON vs USING?
... just say film_id since that would make for an ambiguity:
ERROR 1052 (23000): Column 'film_id' in field list is ambiguous
As for select *, the joining column appears in the result set twice with ON while it appears only once with USING:
mysql> create table t(i int);insert t select 1;creat...
Best algorithm for detecting cycles in a directed graph [closed]
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answered Nov 4 '08 at 11:35
akuaku
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关于php的socket初探 - PHP - 清泛IT论坛，有思想、有深度
本帖最后由 天空一直巨响 于 2015-09-20 11:35 编辑
做了好几年的flash的aser，技术一直停留在flash这个狭小的容器内，最近转向php，才慢慢体会到之前充实技术开发前的那段极度渴望去学习新知识的那种动力，可能在大多数的人眼...
Entity Framework 4 vs NHibernate [closed]
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answered Oct 28 '09 at 23:32
John RaynerJohn Rayner
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Make Adobe fonts work with CSS3 @font-face in IE9
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I can only explain you how to fix the "CSS3114" error.
You have to change the embedding level of your TTF file.
Using the appropriate tool you can set it to installable embedding allowed.
For a 64-bit version, check @user22600's answer.
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When to use Vanilla JavaScript vs. jQuery?
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How to get file creation & modification date/times in Python?
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What is a monad?
...t an example of method chaining which does not use the monad pattern:
[1,2,3].map(x => x + 1)
The result is [2,3,4]. The code does not conform to the monad pattern, since the function we are supplying as argument returns a number, not an Array. The same logic in monadic form would be:
[1,2,3].fl...
Authoritative position of duplicate HTTP GET query keys
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There is no spec on this. You may do what you like.
Typical approaches include: first-given, la...
What's the difference between .bashrc, .bash_profile, and .environment?
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The main difference with shell config files is that some are only read by "lo...