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Difference in System. exit(0) , System.exit(-1), System.exit(1 ) in Java
I'd like to know the difference between the following in Java
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Selecting with complex criteria from pandas.DataFrame
For example I have simple DF:
4 Answers
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Zooming MKMapView to fit annotation pins?
I am using MKMapView and have added a number of annotation pins to the map about a 5-10 kilometre area. When I run the application my map starts zoomed out to show the whole world, what is the best way to zoom the map so the pins fit the view?
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Better way to check variable for null or empty string?
Since PHP is a dynamic language what's the best way of checking to see if a provided field is empty?
10 Answers
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How to find out the number of CPUs using python
I want to know the number of CPUs on the local machine using Python. The result should be user/real as output by time(1) when called with an optimally scaling userspace-only program.
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How to create a density plot in matplotlib?
In R I can create the desired output by doing:
5 Answers
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“You don't have a SNAPSHOT project in the reactor projects list.” when using Jenkins Maven release p
I'm using SVN, Maven 3.0.3 on the latest version of Jenkins and the Maven Release plugin. I'm trying to use the Maven release plugin (through Jenkins) do a dry run and so am executing the options …
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Why is AJAX returning HTTP status code 0?
For some reason, while using AJAX (with my dashcode developed application) the browser just stops uploading and returns status codes of 0 . Why does this happen?
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How to style dt and dd so they are on the same line?
Using CSS, how can I style the following:
17 Answers
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