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difference between variables inside and outside of __init__()
Is there any difference at all between these classes besides the name?
10 Answers
10
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One-liner to recursively list directories in Ruby?
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Dir.glob("**/*/") # for directories
Dir.glob("**/*") # for all files
Instead of Dir.glob(foo) you can also write Dir[foo] (however Dir.glob can also take a block, in which case it will yield each path instead of creating an array).
Ruby Glob Docs
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开源MQTT网关：EMQX vs Mosquitto - 创客硬件开发 - 清泛IT社区，为创新赋能！
...创新。可操作性与可观测性Mosquitto 提供了基本的日志和调试功能，用于监控代理状态和故障排除。然而，它缺乏先进的管理和监控功能，使用户难以从其运行状态获得更多洞察进行性能优化。EMQX 通过 HTTP API 和 Dashboard 提供丰富...
Composer: how can I install another dependency without updating old ones?
I have a project with a few dependencies and I'd like to install another one, but I'd like to keep the others the way they are. So I've edited the composer.json , but if I run composer install , I get the following output:
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Android代码优化小技巧 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...ava，因为编译器通常会做inline访问，而且你需要限制或者调试变量，你可以在任何时候在getter/setter里面添加代码。 然而，在Android上，这是一个糟糕的写法。Virtual method的调用比起直接访问变量要耗费更多。
那么合理的做法是...
How to construct a REST API that takes an array of id's for the resources
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If you are passing all your parameters on the URL, then probably comma separated values would be the best choice. Then you would have an URL template like the following:
api.com/users?id=id1,id2,id3,id4,id5
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How do I properly escape quotes inside HTML attributes?
...ric html entities over named entities, in that named entities do not cover all characters, while numeric entities do. The full HTML4 list is at w3.org/TR/html4/sgml/entities.html .
– atk
Oct 25 '10 at 14:42
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What is an ORM, how does it work, and how should I use one? [closed]
... case with a pseudo language:
You have a book class, you want to retrieve all the books of which the author is "Linus". Manually, you would do something like that:
book_list = new List();
sql = "SELECT book FROM library WHERE author = 'Linus'";
data = query(sql); // I over simplify ...
while (row ...
Discuz开启帖子快速回复，设置无效 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...帖子快速回复，设置无效 source module forum forum_viewthread.php$fastpost = $_G['setting']['fastpost'] && !$_G['forum_thread'...\source\module\forum\forum_viewthread.php
$fastpost = $_G['setting']['fastpost'] && !$_G['forum_thread']['archiveid'] && ($_G['forum']['status'] != 3 || $_...
What is 'YTowOnt9'?
...e64 encoded PHP-serialized values do too, but when they are empty they are all the same. It makes it look as if a lot of very different PHP scripts have this random string in common.
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