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90后创业四年:曾经觉得不公 后来愿赌服输 - 资讯 - 清泛网 - 专注C/C++及内核技术
90后创业四年:曾经觉得不公 后来愿赌服输今天的讲述者是殷志平，江苏人，90后。2011年，还在读大学二年级的殷志平开始写小软件，在人人网爆红。同年他开始创业，“创业那么多年”从24岁的殷志平嘴里说出来，有种吊诡的沧...
How to initialize a private static const map in C++?
I need just dictionary or associative array string => int .
10 Answers
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How to initialize private static members in C++?
What is the best way to initialize a private, static data member in C++? I tried this in my header file, but it gives me weird linker errors:
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搭建高可用mongodb集群（三）—— 深入副本集内部机制 - 大数据 & AI - 清...
...举 那mongodb是怎进行选举的呢？官方这么描述:
We use a consensus protocol to pick a primary. Exact details will be spared here but that basic process is:
get maxLocalOpOrdinal from each server.
if a majority of servers are not up (from this server’s POV), remain in Se...
Split (explode) pandas dataframe string entry to separate rows
I have a pandas dataframe in which one column of text strings contains comma-separated values. I want to split each CSV field and create a new row per entry (assume that CSV are clean and need only be split on ','). For example, a should become b :
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“互联网卖菜”没那么简单 创业者不要盲目跟风 - 资讯 - 清泛网 - 专注C/C+...
“互联网卖菜”没那么简单 创业者不要盲目跟风如火如荼的O2O浪潮把上门捧红了，虽然美容、洗车被炒得最凶，但无疑市场的大头还是在本地生活领域，包括外卖乃至生鲜。如火如荼的O2O浪潮把上门捧红了，虽然美容、洗车被...
Static/Dynamic vs Strong/Weak
I see these terms bandied around all over the place in programming and I have a vague notion of what they mean. A search shows me that such things have been asked all over stack overflow in fact. As far as I'm aware Static/Dynamic typing in languages is subtly different to Strong/Weak typing but wha...
Git alias with positional parameters
Basically I'm trying to alias:
7 Answers
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pandas three-way joining multiple dataframes on columns
I have 3 CSV files. Each has the first column as the (string) names of people, while all the other columns in each dataframe are attributes of that person.
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OpenCV C++/Obj-C: Detecting a sheet of paper / Square Detection
I successfully implemented the OpenCV square-detection example in my test application, but now need to filter the output, because it's quite messy - or is my code wrong?
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