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In CSS what is the difference between “.” and “#” when declaring a set of styles?
What is the difference between # and . when declaring a set of styles for an element and what are the semantics that come into play when deciding which one to use?
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Java Logging vs Log4J [closed]
Is it still worth to add the log4j library to a Java 5 project just to log
let's say some exceptions to a file with some nice rollover settings.
Or will the standard util.logging facility do the job as well?
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How to append a char to a std::string?
The following fails with the error prog.cpp:5:13: error: invalid conversion from ‘char’ to ‘const char*’
13 Answer...
What's so great about Lisp? [closed]
I don't know enough Lisp to say whether it's good or bad. It seems like everyone who has used Lisp loves it, yet the most popular languages these days are descended from C.
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Why does PEP-8 specify a maximum line length of 79 characters? [closed]
Why in this millennium should Python PEP-8 specify a maximum line length of 79 characters?
9 Answers
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how do I insert a column at a specific column index in pandas?
Can I insert a column at a specific column index in pandas?
4 Answers
4
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How to return a part of an array in Ruby?
With a list in Python I can return a part of it using the following code:
6 Answers
6
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Is there a 'foreach' function in Python 3?
When I meet the situation I can do it in javascript, I always think if there's an foreach function it would be convenience. By foreach I mean the function which is described below:
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How to do the equivalent of pass by reference for primitives in Java
This Java code:
6 Answers
6
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How should I call 3 functions in order to execute them one after the other?
If I need call this functions one after other,
11 Answers
11
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