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How do I check for nulls in an '==' operator overload without infinite recursion?
The following will cause infinite recursion on the == operator overload method
13 Answers
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What's the difference between ngModel.$modelValue and ngModel.$viewValue
I have the following ckEditor directive. At the bottom are two variations that I have seen from examples on how to set the data in the editor:
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How to “pretty” format JSON output in Ruby on Rails
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edited Jul 25 '16 at 22:33
Jason Martin
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answe...
“Cloning” row or column vectors
Sometimes it is useful to "clone" a row or column vector to a matrix. By cloning I mean converting a row vector such as
9 A...
How to check if multiple array keys exists
I have a variety of arrays that will either contain
20 Answers
20
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find -exec cmd {} + vs | xargs
...on is
safe, the second is not.
Your script will not treat a file starting with "-" as an option.
So your code should look like this:
find . -exec cmd -option1 -option2 -- {} +
or
find . -print0 | xargs -0 cmd -option1 -option2 --
The first version is shorter and easier to write as you can ig...
How do you test to see if a double is equal to NaN?
I have a double in Java and I want to check if it is NaN .
What is the best way to do this?
7 Answers
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jar not loaded. See Servlet Spec 2.3, section 9.7.2. Offending class: javax/servlet/Servlet.class
...de the webapp since, obviously, the container already has these classes in its classpath: it implements the interfaces contained in this jar.
The dependency should be in the provided scope, rather than the default compile scope, in your Maven pom:
<dependency>
<groupId>javax.servle...
How to split a file into equal parts, without breaking individual lines? [duplicate]
I was wondering if it was possible to split a file into equal parts ( edit: = all equal except for the last), without breaking the line? Using the split command in Unix, lines may be broken in half. Is there a way to, say, split up a file in 5 equal parts, but have it still only consist of whole li...
Disable Drag and Drop on HTML elements?
...ch I'm attempting to implement a full featured windowing system. Right now it's going very well, I'm only running into one minor issue. Sometimes when I go to drag a part of my application (most often the corner div of my window, which is supposed to trigger a resize operation) the web browser gets ...