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What is the difference between public, protected, package-private and private in Java?
In Java, are there clear rules on when to use each of access modifiers, namely the default (package private), public , protected and private , while making class and interface and dealing with inheritance?
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Injecting a mock into an AngularJS service
I have an AngularJS service written and I would like to unit test it.
7 Answers
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How to get the last character of a string in a shell?
I have written the following lines to get the last character of a string:
8 Answers
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What is an IIS application pool?
What exactly is an application pool? What is its purpose?
14 Answers
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Vim multiline editing like in sublimetext?
I started to use gvim, and I can't quite understand how the multiline edit works in gvim.
7 Answers
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What is the exact problem with multiple inheritance?
I can see people asking all the time whether multiple inheritance should be included into the next version of C# or Java. C++ folks, who are fortunate enough to have this ability, say that this is like giving someone a rope to eventually hang themselves.
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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
[since C++11] std::array的使用learning-using-cpp11-stl-array 前言本文总结了STL中的序列式容器array的用法及注意事项。array的出现代表着C++的代码更进一步现代化，就像std::string的出现代替了c风格字符串并且能和STL配合工作一样，array的 #...
Best way to alphanumeric check in JavaScript
What is the best way to perform an alphanumeric check on an INPUT field in JSP ? I have attached my current code
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How can a Java variable be different from itself?
I am wondering if this question can be solved in Java (I'm new to the language). This is the code:
10 Answers
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What's the safest way to iterate through the keys of a Perl hash?
If I have a Perl hash with a bunch of (key, value) pairs, what is the preferred method of iterating through all the keys? I have heard that using each may in some way have unintended side effects. So, is that true, and is one of the two following methods best, or is there a better way?
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