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How to generate controller inside namespace in rails
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3 Answers
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In C/C++ what's the simplest way to reverse the order of bits in a byte?
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35 Answers
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Appropriate datatype for holding percent values?
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133
Assuming two decimal places on your percentages, the data type you use depends on how you plan ...
Sorting data based on second column of a file
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You can use the sort command:
sort -k2 -n yourfile
-n, --numeric-sort compare according to s...
What is scope/named_scope in rails?
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A scope is a subset of a collection. Sounds complicated? It isn't. Imagine this:
You have Users...
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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Calling a function of a module by using its name (a string)
...attr(foo, 'bar')
result = method_to_call()
You could shorten lines 2 and 3 to:
result = getattr(foo, 'bar')()
if that makes more sense for your use case.
You can use getattr in this fashion on class instance bound methods, module-level methods, class methods... the list goes on.
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How do you stop Console from popping up automatically in Eclipse
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what is the preferred way to mutate a React state?
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edited May 31 '14 at 21:45
Brigand
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