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The performance impact of using instanceof in Java
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Modern JVM/JIT compilers have removed the performance hit of most of the traditionally "slow" operations, including instanceof, exception handling, reflection, etc.
As Donald Knuth wrote, "We should forget about small efficiencies, say a...
renamed heroku app from website, now it's not found
After renaming my heroku app from the heroku website, whenever I cd to its directory in a terminal and run any heroku command, I get App not found . Does anybody know of a way to remedy this?
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How to view files in binary from bash?
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edited Apr 10 at 8:47
Matthias Braun
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Inconsistent Accessibility: Parameter type is less accessible than method
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Constructor of public class clients is public but it has a parameter of type ACTInterface that is private (it is nested in a class?). You can't do that. You need to make ACTInterface at least as accessible as clients.
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How to escape @ characters in Subversion managed file names?
... example, "svn info test.txt@1234" will give information about test.txt as it existed in revision 1234.
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What does the @ symbol represent in objective-c?
I'm learning objective-c and keep bumping into the @ symbol. It is used in different scenarios, for example at the start of a string or to synthesise accessor methods.
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How do I convert a git repository to mercurial?
I've been developing a java application using git as source code repository. I'd like to share the project with other java developers and hg seems to be most used by them.
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Switching a DIV background image with jQuery
...pse call rates table for the company I work for. I currently have a table with a button under it to expand it, the button says "Expand". It is functional except I need the button to change to "Collapse" when it is clicked and then of course back to "Expand" when it is clicked again. The writing on t...
How can I measure the actual memory usage of an application or process?
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With ps or similar tools you will only get the amount of memory pages allocated by that process. This number is correct, but:
does not reflect the actual amount of memory used by the application, only the amount of memory res...
CSS transition shorthand with multiple properties?
I can't seem to find the correct syntax for the CSS transition shorthand with multiple properties. This doesn't do anything:
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