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How can i use iptables on centos 7? [closed]
I installed CentOS 7 with minimal configuration (os + dev tools). I am trying to open 80 port for httpd service, but something wrong with my iptables service ... what's wrong with it? What am I doing wrong?
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Prototypical inheritance - writing up [duplicate]
So I have these 2 examples, from javascript.info:
2 Answers
2
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How to create and write to a txt file using VBA
I have a file which is manually added or modified based on the inputs. Since most of the contents are repetitive in that file, only the hex values are changing, I want to make it a tool generated file.
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Automate ssh-keygen -t rsa so it does not ask for a passphrase
I need to automate ssh-keygen -t rsa with out a password i.e. enter at the prompt.
How can I do that from a shell script?
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How to display line numbers in 'less' (GNU)
What is the command to make less display line numbers in the left column?
6 Answers
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What .NET collection provides the fastest search
I have 60k items that need to be checked against a 20k lookup list. Is there a collection object (like List , HashTable ) that provides an exceptionly fast Contains() method? Or will I have to write my own? In otherwords, is the default Contains() method just scan each item or does it use a be...
Drop columns whose name contains a specific string from pandas DataFrame
I have a pandas dataframe with the following column names:
10 Answers
10
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How do I see a C/C++ source file after preprocessing in Visual Studio?
Let's say I have a source file with many preprocessor directives. Is it possible to see how it looks after the preprocessor is done with it?
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How can I count occurrences with groupBy?
I want to collect the items in a stream into a map which groups equal objects together, and maps to the number of occurrences.
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[since C++11] std::array的使用 - C/C++ - 清泛网 - 专注C/C++及内核技术
...个非类型模板参数指明了array的固定大小。
array的接口
constructors
构造函数
说明
arrary<T, N> c
默认构造函数，N个元素全部使用“默认初始化行为”来构造。
arrary<T, N> c(other)
拷贝构造函数，拷贝所...