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What is Haskell used for in the real world? [closed]
... to be able to
easily roll back every change if some object deep in the call
hierarchy decided the message is flawed? How about having a history of
different states?
Many housekeeping tasks made for you: deconstructing data structures (PatternMatching), storing variable bindings (LexicalScop...
When is the finalize() method called in Java?
I need to know when the finalize() method is called in the JVM . I created a test class which writes into a file when the finalize() method is called by overriding it. It is not executed. Can anybody tell me the reason why it is not executing?
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onNewIntent() lifecycle and registered listeners
...ivities which already run somewhere else in the stack and therefore can't call onCreate(). From activities lifecycle point of view it's therefore needed to call onPause() before onNewIntent(). I suggest you to rewrite your activity to not use these listeners inside of onNewIntent(). For example most...
send Content-Type: application/json post with node.js
...OST',
json: true,
body: {'my_date' : 'json'}
}
request(options, myCallback)
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Is it bad practice to use Reflection in Unit testing? [duplicate]
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IMHO Reflection should really only be a last resort, reserved for the special case of unit testing legacy code or an API you can't change. If you are testing your own code, the fact that you need to use Reflection means your design is not testable, s...
How to take screenshot of a div with JavaScript?
I am building something called the "HTML Quiz". It's completely ran on JavaScript and it's pretty cool.
10 Answers
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Is 1.0 a valid output from std::generate_canonical?
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@user quality of implementation - all the things that make one conformant implementation better than another e.g. performance, behavior in edge cases, helpfulness of error messages.
– ecatmur
Sep 4 '14 at 20:09
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how do I insert a column at a specific column index in pandas?
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If you want a single value for all rows:
df.insert(0,'name_of_column','')
df['name_of_column'] = value
Edit:
You can also:
df.insert(0,'name_of_column',value)
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How to find the installed pandas version
...trouble with some of pandas functionalities. How do I check what is my installation version?
6 Answers
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In-place edits with sed on OS X
...ion after the -i flag. Is -i'' dangerous for any reason other than potentially messing up the original file (and having no back-up)?
– SundayMonday
Sep 27 '11 at 17:48
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