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How can I reset a react component including all transitively reachable state?
... The ideal behavior would be equivalent to removing the old component and readding a new, pristine component.
3 Answers
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URL-parameters and logic in Django class-based views (TemplateView)
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Thanks! This has been confusing me... I keep reading stuff that implies HTTP parameters will be in the kwargs.
– foobarbecue
Jan 28 '14 at 6:27
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Comparing boxed Long values 127 and 128
...jects into primitive values and compare
(long)val3 == (long)val4
2) read value of object and compare
val3.longValue() == val4.longValue()
3) Use equals() method on object comparison.
val3.equals(val4);
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What can you use Python generator functions for?
... @StevenLu: Unless it goes to the trouble to manually launch threads before the yield and join them after to get the next result, it does not execute in parallel (and no standard library generator does this; secretly launching threads is frowned upon). The generator pauses at each yield ...
Serializing a list to JSON
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@IamNumber5 already provided in the other answer. I extended my answer anyway.
– Jodrell
Jun 2 '15 at 9:38
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difference and when to use getApplication(), getApplicationContext(), getBaseContext() and someClass
...en the correct theme will be applied automatically. For more info, you may read this
– waqaslam
Nov 30 '14 at 6:51
@wa...
How to write header row with csv.DictWriter?
Assume I have a csv.DictReader object and I want to write it out as a CSV file. How can I do this?
3 Answers
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How to edit a node module installed via npm?
... Thanks! That's exactly what I wanted to know. Also, for others reading this... I wanted to include the module that's on my github in the package.json file, and there's info here about that: stackoverflow.com/a/8306715/1810875
– user1810875
Nov 9 '12...
Array slicing in Ruby: explanation for illogical behaviour (taken from Rubykoans.com)
...ingful, but inserting after the 5th element of a 4 element array is not).
Read the slice syntax array[x,y] as "starting after x elements in array, select up to y elements". This is only meaningful if array has at least x elements.
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How do you properly use namespaces in C++?
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To avoid saying everything Mark Ingram already said a little tip for using namespaces:
Avoid the "using namespace" directive in header files - this opens the namespace for all parts of the program which import this header file. In implementation files (*.cpp) this ...