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How do I list all versions of a gem available at a remote site?
...c --remote --all
Which returns:
*** REMOTE GEMS ***
rhc (0.84.15, 0.84.13, 0.83.9, 0.82.18, 0.81.14, 0.80.5, 0.79.5, 0.77.8, 0.75.9, 0.74.6, 0.74.5, 0.73.14, 0.72.29, 0.71.2, 0.69.6, 0.69.3, 0.68.5)
rhcp (0.2.18, 0.2.17, 0.2.16, 0.2.15, 0.2.14, 0.1.9, 0.1.8, 0.1.7, 0.1.6, 0.1.5, 0.1.4, 0.1.3, 0.1...
Overriding class constants vs properties
...always refers to the class it is being executed in. If you are using php5.3+ you might try static::TEST as static:: is inheritance-aware.
The difference is that static:: uses "late static binding". Find more information here:
http://php.net/manual/en/language.oop5.late-static-bindings.php
Here'...
Difference between len() and .__len__()?
Is there any difference between calling len([1,2,3]) or [1,2,3].__len__() ?
4 Answers
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Shortcut to switch between design and text in Android Studio
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edited Mar 19 at 8:39
answered Dec 19 '13 at 13:35
G...
Understanding the ngRepeat 'track by' expression
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How to change variables value while debugging with LLDB in Xcode?
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read subprocess stdout line by line
... Rômulo CecconRômulo Ceccon
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How to express a NOT IN query with ActiveRecord/Rails?
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316
Rails 4+:
Article.where.not(title: ['Rails 3', 'Rails 5'])
Rails 3:
Topic.where('id NOT I...
Redis消息通知系统的实现 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...何查询消息的。
先插入三条消息，其<MSGID>分别是1，2，3：
redis> HMSET msg:1 title title1 content content1
redis> HMSET msg:2 title title2 content content2
redis> HMSET msg:3 title title3 content content3
再把这三条消息发送给某个用户，其<USRID>是123：
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How to do this using jQuery - document.getElementById(“selectlist”).value
...LOL.
– Jacob Relkin
Mar 10 '11 at 0:30
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