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How do you extract a column from a multi-dimensional array?
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@WarpDriveEnterprises yup, you'll have to convert the generator object to list and then do the subscripting. example: a2 = zip(*a); a2 = list(a2); a2[0]
– Rishabh Agrahari
May 16 '19 at 5:34
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How to get object size in memory? [duplicate]
...ou control the rest of the application you may get the information you are interested in.
Apart from that you can use a profiler to get the information or you could use the profiling api to get the information in code. But that won't be easy to use I think.
See Find out how much memory is being u...
Why does InetAddress.isReachable return false, when I can ping the IP address?
...t of chatter about this :
Here are other, similar questions :
Detect internet Connection using Java
How do I test the availability of the internet in Java?
And even a reported bug on this same matter :
http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=4921816
Part 1 : A reproducible exam...
What is more efficient: Dictionary TryGetValue or ContainsKey+Item?
...lue will be faster.
ContainsKey uses the same check as TryGetValue, which internally refers to the actual entry location. The Item property actually has nearly identical code functionality as TryGetValue, except that it will throw an exception instead of returning false.
Using ContainsKey followe...
Passing Objects By Reference or Value in C#
...l value of the parameter of the method you're calling. Now the important point is that the value is a reference for reference types - a way of getting to an object (or null). Changes to that object will be visible from the caller. However, changing the value of the parameter to refer to a different ...
Python equivalent for PHP's implode?
...of delimited words, and now I want to sort them out in random orders and print the words out with spaces in between.
2 Answ...
What does the `forall` keyword in Haskell/GHC do?
...b -> b) -> b -> (a -> b) -> Maybe a -> b.
A confusing point: you may hear that when you omit the forall from a type it is actually still implicitly there. (from Norman's answer: "normally these languages omit the forall from polymorphic types"). This claim is correct, but it refer...
How do I add a Fragment to an Activity with a programmatically created content view
...tructor (with no parameters) to be public and visible. Moving the fragment into the Activity as an inner class, or creating a new java file for the fragment fixes that.
The second issue is that when you're adding a fragment this way, you must pass a reference to the fragment's containing view, and ...
How can I remove time from date with Moment.js?
...ying attention to timezones). I had an issue where my UTC date was getting converted to local time, then applying startOf('day'), which was then the start of the previous day. Fixed with moment(moment.utc('2013-10-29T00:00:00+00:00').startOf('day').format('LL')).startOf('day').toDate()
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Markdown `native` text alignment
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@SDJMcHattie This doesn't work when converting .md to .pdf.
– Marc Le Bihan
Oct 20 '19 at 5:45
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