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When to use symbols instead of strings in Ruby?
... is to use symbols every time you need internal identifiers. For Ruby < 2.2 only use symbols when they aren't generated dynamically, to avoid memory leaks.
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The only reason not to use them for identifiers that are generated dynamically is because of memory concerns.
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How to sort an array of hashes in ruby
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Snowman
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How to convert 1 to true or 0 to false upon model fetch
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Vitalii PetrychukVitalii Petrychuk
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How can I expose more than 1 port with Docker?
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docker run -p <host_port1>:<container_port1> -p <host_port2>:<container_port2>
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How can I avoid running ActiveRecord callbacks?
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Representing Directory & File Structure in Markdown Syntax [closed]
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Refresh a page using PHP
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You can do it with PHP:
header("Refresh:0");
It refreshes your current page, and if you nee...
Redis 的性能幻想与残酷现实 - 更多技术 - 清泛网 - 专注C/C++及内核技术
Redis 的性能幻想与残酷现实2011 年，当初选择 Redis 作为主要的内存数据存储，主要吸引我的是它提供多样的基础数据结构可以很方便的实现业务需求。另一方面又比较...
2011 年，当初选择 Redis 作为主要的内存数据存储，主要吸...
why does DateTime.ToString(“dd/MM/yyyy”) give me dd-MM-yyyy?
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Slash is a date delimiter, so that will use the current culture date delimiter.
If you want t...
How to change maven logging level to display only warning and errors?
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