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Null check in an enhanced for loop

... 231 You should better verify where you get that list from. An empty list is all you need, because...
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How do I make a simple makefile for gcc on Linux?

... Joey AdamsJoey Adams 35.7k1717 gold badges7979 silver badges108108 bronze badges ...
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海量数据相似度计算之simhash短文本查找 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术

...imhash,计算量还是蛮大,普通PC 比较1000w次海明距离需要 300ms ,和5000w数据比较需要1.8 s。看起来相似度计算不是很慢,还在秒级别。给大家算一笔账就知道了: 随着业务增长需要一个小时处理100w次,一个小时为3600 *1000 = 360w毫...
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sys.argv[1] meaning in script

... 338 I would like to note that previous answers made many assumptions about the user's knowledge. T...
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What is 'define' used for in JavaScript (aside from the obvious)?

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When to wrap quotes around a shell variable?

... answered Apr 8 '12 at 23:08 paxdiablopaxdiablo 736k199199 gold badges14231423 silver badges17931793 bronze badges ...
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How do I pass a variable by reference?

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What's the difference between NOT EXISTS vs. NOT IN vs. LEFT JOIN WHERE IS NULL?

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Populating a ListView using an ArrayList?

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Is 23,148,855,308,184,500 a magic number, or sheer chance?

... Add the cents to the number and you get 2314885530818450000, which in hexadecimal is 2020 2020 2020 1250. Do you see the pattern? The first six bytes have been overwritten by spaces (hex 20, dec 32). ...