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How does Google Instant work?
...ive. The search results are from the first autocomplete suggestion (or the selected one if you hit the down arrow or mouse over a suggestion).
In other words if I type "vinyl s", the first autocomplete suggestion is "vinyl siding," and the search results clearly show a search for "vinyl siding." If...
构建高并发高可用的电商平台架构实践 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...个）。
reactor模式，实现自己的多路复用NIO机制（epoll，select，kqueue等）
单线程处理多任务
数据结构
hash+bucket结构，当链表的长度过长时，会采取迁移的措施（扩展原来两倍的hash表，把数据迁移过去，expand+rehash）
持久化存...
Numpy `logical_or` for more than two arguments
Numpy's logical_or function takes no more than two arrays to compare. How can I find the union of more than two arrays? (The same question could be asked with regard to Numpy's logical_and and obtaining the intersection of more than two arrays.)
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Logical Operators, || or OR?
I remember reading a while back in regards to logical operators that in the case of OR , using || was better than or (or vice versa).
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How to chain scope queries with OR instead of AND?
I'm using Rails3, ActiveRecord
19 Answers
19
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Logical operators (“and”, “or”) in DOS batch
How would you implement logical operators in DOS Batch files?
12 Answers
12
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Why does `a == b or c or d` always evaluate to True?
I am writing a security system that denies access to unauthorized users.
3 Answers
3
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Python's equivalent of && (logical-and) in an if-statement
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what should i do for this: if x=='n' and y =='a' or y=='b': <do something> Will it work !? @ChristopheD
– diffracteD
Apr 2 '15 at 15:35
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Python syntax for “if a or b or c but not all of them”
I have a python script that can receive either zero or three command line arguments. (Either it runs on default behavior or needs all three values specified.)
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how to use “AND”, “OR” for RewriteCond on Apache?
Is this how to use AND, OR for RewriteCond on Apache?
3 Answers
3
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