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How to check the version before installing a package using apt-get?
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answered Sep 19 '13 at 7:05
Yasiru GYasiru G
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区块链技术到底是什么鬼，为何被疯炒？ - 资讯 - 清泛网 - 专注C/C++及内核技术
...整个网络的健康运作。去信任化：任意两个节点之间建立连接不需要信任彼此的身份，双方之间进行数据交换无需互相信任的基础。由于网络中的所有节点都可以扮演“监督者”的身份，因此不用担心欺诈的问题。可扩展：区块...
AngularJS For Loop with Numbers & Ranges
...ndefined.
– andlrc
Aug 19 '14 at 11:05
1
You can reduce the perf hit by caching the results via t...
Why does the C preprocessor interpret the word “linux” as the constant “1”?
Why does the C preprocessor in GCC interpret the word linux (small letters) as the constant 1 ?
5 Answers
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how to calculate binary search complexity
...planation.
– NoName
Oct 1 '17 at 22:05
1
Very nice answer
– VHS
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Why does intellisense and code suggestion stop working when Visual Studio is open?
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edited Sep 16 '15 at 16:05
SharpC
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answered May...
WhatsApp如何成为销售钻戒的店面？ - 资讯 - 清泛网 - 专注C/C++及内核技术
...于在WhatsApp上与顾客交流，并将其跟三位销售人员的PC相连接。现在，无论他们何时与顾客交流，他们都能让办公室里的所有人知道，他们正在用WhatsApp。不要上线。
皮瑞安科夫表示，在顾客中，这种方式远比Rare Pink网站上的“...
Only read selected columns
Can anyone please tell me how to read only the first 6 months (7 columns) for each year of the data below, for example by using read.table() ?
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How to count lines in a document?
I have lines like these, and I want to know how many lines I actually have...
24 Answers
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Wi-Fi 是什么的缩写 - 程序人生、谈天论地 - 清泛IT论坛，有思想、有深度
...You Know?Wi-Fi 的标准写法是大写“W”和“F”，中间用“-”连接。Interbrand 除了给 Wi-Fi 起名，他们还帮微软家的搜索引擎起了个响亮的名字——Bing。关于 Interbrand 还搞出了什么名堂，可以点这里看他们长长的案例列表。Interbrand 当...