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unable to copy/paste in mingw shell
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The section about vim is helpful, however in order to paste something pressing 'p' worked, 'ctrl'+'shift'+'v' did not.
– MarkusParker
Apr 3 '18 at 13:55
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Fastest way to get the first object from a queryset in django?
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also, first() and last() enforce an ORDER BY clause on a query. It will make the results deterministic but will most probably slow the query down.
– Phil Krylov
Jun 27 '17 at 19:24
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技术和资本玩转创客圈 英特尔在中国的动作才刚刚开始 - 资讯 - 清泛网 - 专...
...2月的终极加速和路演，其中既有关注环保、医疗等社会问题的“智慧低碳社区”、“医院罗盘”项目，又有提升智能生活体验的“完美幻境”、“智能行车记录仪”、“图传机械臂”等智能硬件。
这些项目大多有一个特点——...
How many files can I put in a directory?
... We have hundreds of thousands of images in our social network website. In order to improve the performance we were forced to have 100 (or 1000 for some files) sub directories and distribute the files into them (ext3 on linux+ Apache for us).
– wmac
Jul 24 '14 ...
Java 反射最佳实践 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...哇，就一行代码啊，很爽吧~
爽完了，我们就来看看反射问题吧。因为不是系统给出的api，所以谷歌在不同的版本上用了不同的方法名来做处理，用反射的话我们就必须进行版本的判断，这是需要注意的，此外反射在性能方面确...
typecast string to integer - Postgres
...ing into an integer.
Solution
Create a user-defined function inspired by PHP's intval() function.
CREATE FUNCTION intval(character varying) RETURNS integer AS $$
SELECT
CASE
WHEN length(btrim(regexp_replace($1, '[^0-9]', '','g')))>0 THEN btrim(regexp_replace($1, '[^0-9]', '','g'))::intege...
无人驾驶汽车大难题 人工智能同人的差距显著 - 资讯 - 清泛网 - 专注C/C++...
...自动驾驶的时间节点。不过，法律可能是其绕不开的一大问题。
据了解，在美国只有加州、佛罗里达州以及内华达州通过了相关的法律法规，允许自动驾驶汽车上路测试。不过其同时也要求车内必须有人并持有驾照，能在紧急...
Sass or Compass without ruby?
...f (sass & compass) IS written in Ruby. So you'll definitely need it in order to run it.
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What are the applications of binary trees?
...tures. That's because, unless the data is coming in in a relatively random order, the tree can easily degenerate into its worst-case form, which is a linked list, since simple binary trees are not balanced.
A good case in point: I once had to fix some software which loaded its data into a binary tr...
Django: Get model from string?
...or a different purpose, and require you to create an AppConfig instance in order to call get_model().
– zlovelady
Nov 24 '17 at 4:51
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