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Do you leave parentheses in or out in Ruby? [closed]
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If you mean in function calls, I always put parenthesis because it's always easier to read. If you mean in conditions (if, while) I only put parenthesis when they're necessary.
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What is the difference between “text” and new String(“text”)?
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JLS
The concept is called "interning" by the JLS.
Relevant passage from JLS 7 3.10.5:
Moreover, a string literal always refers to the same instance of class String. This is because string literals - or, more generally, strings that are th...
When do you use the “this” keyword? [closed]
...self to another type, for example an explicitly implemented method will be called like ((ICollection<T>)this).Add(bla).
– nawfal
Nov 13 '13 at 18:02
4
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Which is the correct shorthand - “regex” or “regexp” [closed]
...pecially because sometimes changing just one character in a word can drastically change its meaning.
13 Answers
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Exporting a function in shell
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is exported function available only for child calls? How to apply it to current bash session? like to .bashrc writing, but only for current bash instance...
– vp_arth
May 3 '14 at 15:37
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how to set cursor style to pointer for links without hrefs
...t; html tags without the href attribute for making onclick javascript calls. These links do not have a pointer style of cursor. They have text style cursor.
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What is SOA “in plain english”? [closed]
...n such a way that they can be combined in different useful ways (sometimes called a "family" or "product line").
These are all bedrock software-development principles, many of them first articulated by David Parnas.
What's new in SOA is
You're doing it on a network.
Modules are communicating by...
What is the difference between quiet NaN and signaling NaN?
...emented is not well standardized and floating-point exceptions are not typically caught the same way as standard C++ exceptions.
In POSIX/Unix systems, floating point exceptions are typically caught using a handler for SIGFPE.
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How to make System.out.println() shorter
... error().
Homemade methods
or simply make a println method of your own and call it:
void println(Object line) {
System.out.println(line);
}
println("Hello World");
IDE keyboard shortcuts
IntelliJ IDEA and NetBeans:
you type sout then press TAB, and it types System.out.println() for you, with t...
Casting a variable using a Type variable
... 1000, the compiler
// doesn't know the exact type so it will allow you to call any
// property or method on it, but will crash if it doesn't exist
dynamic value3 = Convert.ChangeType(value1, intType);
I've written the answer with generics, because I think it is a very likely sign of code smell wh...