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How does this giant regex work?
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@Peter: try print_r($replacement_string);. I feel dirty now. Basically, it translates to eval(gzinflate(base64_decode(etc))); That etc is a whole mess of php code encoded in base 64. Functions are error-escaped. eval($_POST) everywhere.
– bob-the-destroye...
Is the != check thread safe?
I know that compound operations such as i++ are not thread safe as they involve multiple operations.
8 Answers
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When should I use mmap for file access?
...case any unmodified mmap'd pages can be reused immediately because the OS knows how to restore them from the existing file they were mmap'd from. (The OS can detect which pages are unmodified by initially marking writable mmap'd pages as read only and catching seg faults, similar to Copy on Write s...
Dynamically update values of a chartjs chart
I created an basic bar chart using chartjs and it works fine. Now I want to update the values on a time based interval. My problem is that after I created the chart, I do not know how to update its values correctly...
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How many threads is too many?
...ronment for tuning. It's okay to get an estimate beforehand but you never know what production will throw your way (which is why all these things should be configurable at runtime). This is to catch a situation such as unexpected doubling of the client calls coming in.
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Angular directives - when and how to use compile, controller, pre-link and post-link [closed]
..... }
Entering the link phase, the link function returned via $compile is now provided with a scope.
First, the link function create a child scope (scope: true) or an isolated scope (scope: {...}) if requested.
The controller is then executed, provided with the scope of the instance element.
Pre...
Should I return a Collection or a Stream?
...t not process the whole result.) This is a very common case.
Even if you know that the user will iterate it multiple times or otherwise keep it around, you still may want to return a Stream instead, for the simple fact that whatever Collection you choose to put it in (e.g., ArrayList) may not be th...
How do I get the current GPS location programmatically in Android?
...n while you move, but if you want just one time, you need to call "getLastKnownLocation()"
– swiftBoy
May 6 '14 at 4:35
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How can I quantify difference between two images?
...*255/rng
Run the main function:
if __name__ == "__main__":
main()
Now you can put this all in a script and run against two images. If we compare image to itself, there is no difference:
$ python compare.py one.jpg one.jpg
Manhattan norm: 0.0 / per pixel: 0.0
Zero norm: 0 / per pixel: 0.0
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What is Virtual DOM?
... will be created which actually does not do any changes in the actual DOM. Now with this virtual DOM, you will be checking the difference between this and your current DOM. And only the part which is different (in this case the new <div>) will be added instead of re-rendering the whole DOM.
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