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How can I apply a function to every row/column of a matrix in MATLAB?
...n what sort of function you were wanting to apply, the size of the matrix, etc. In short, it is likely problem-dependent. In fact, sometimes a good old for loop can be the fastest choice.
– gnovice
Nov 11 '14 at 14:04
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What is an invariant?
...d mean that you forgot to push the processed element onto the final stack, etc.
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IntelliJ IDEA: Move line?
...ess, Ctrl + W
(12) Basic Code Completion
To complete methods, keywords etc press,
Ctrl + Space
(13) Code Copy and Paste
Copy : Ctrl + C
Paste : Ctrl + V
(14) Search Operation
Specific File : Ctrl + F
Full Project : Ctrl + Shift + F
(15) Switcher Popup
Open Switcher Popup : Ctrl + ...
Using ECMAScript 6
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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Bytes of a string in Java
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@KorayTugay Yes, more or less. You could argue about the order of cause and effect, though. I'd be more inclined to state that a char is always 2 bytes because it is a primitive data type defined to be 2 bytes wide. (And that the UTF-16 representation was mainly a consequence of ...
Cannot create an array of LinkedLists in Java…?
...e the row map type a TreeMap, and same for traversing the columns in index order, but if you don't need those cases, HashMap is quicker than TreeMap. Helper methods to get and set an arbitrary cell, handling unset null values, would be useful, of course.
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What does the comma operator , do?
...ressions either side of it into one, evaluating them both in left-to-right order. The value of the right-hand side is returned as the value of the whole expression.
(expr1, expr2) is like { expr1; expr2; } but you can use the result of expr2 in a function call or assignment.
It is often seen in f...
How can I put a database under git (version control)?
...eeping schema creation scripts as a set of sequential scripts to be ran in order. While this is a good best practice I don't see how it would works without a central repository, which is un-GIT.
– Frank Schwieterman
Mar 17 '10 at 2:49
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How to initialize static variables
... "type_a"=>"Type A",
"type_b"=>"Type B",
//... etc.
);
}
}
Wherever you need the list, simply call the getter method. For example:
if (array_key_exists($type, MyClass::getTypeList()) {
// do something important...
}
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Bash script prints “Command Not Found” on empty lines
.../bash
Try running:
dos2unix script.sh
That wil convert line endings, etc from Windows to unix format. i.e. it strips \r (CR) from line endings to change them from \r\n (CR+LF) to \n (LF).
More details about the dos2unix command (man page)
Another way to tell if your file is in dos/Win for...