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Reverse colormap in matplotlib
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The standard colormaps also all have reversed versions. They have the same names with _r tacked on to the end. (Documentation here.)
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Purpose of Activator.CreateInstance with example?
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obj = (MyFancyObject)Activator.CreateInstance("MyAssembly", ClassName))
and can then do stuff like:
obj.A = 100;
That's its purpose. It also has many other overloads such as providing a Type instead of the class name in a string. Why you would have a problem like that is a different story. Her...
Create a CSV File for a user in PHP
...re important. To ensure good display, put doublequotes around your fields, and don't forget to replace double-quotes inside fields to double double-quotes: `echo '"'.str_replace('"','""',$record1).'","'.str_replace....
– Mala
Jul 1 '10 at 21:21
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How to remove old Docker containers
...r prune:
docker container prune
This will remove all stopped containers and should work on all platforms the same way.
There is also a Docker system prune:
docker system prune
which will clean up all unused containers, networks, images (both dangling and unreferenced), and optionally, volumes...
How to “EXPIRE” the “HSET” child key in redis?
...tore along with the filed another field with an
expire time, fetch both, and let the application understand if it is
still valid or not based on current time.
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@synthesize vs @dynamic, what are the differences?
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@synthesize will generate getter and setter methods for your property.
@dynamic just tells the compiler that the getter and setter methods are implemented not by the class itself but somewhere else (like the superclass or will be provided at runtime).
Uses ...
How to Execute a Python File in Notepad ++?
...ython 3.1: type in Python31 instead of Python26
Add -i if you want the command line window to stay open after the script has finished
Second option
Use a batch script that runs the Python script and then create a shortcut to that from Notepad++.
As explained here: http://it-ride.blogspot.com/2...
Parsing JSON Object in Java [duplicate]
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now you can change the return type of the parseJson and getArray to String and add them into an ArrayList which you can later iterate over to get the required data :)
– Code
Jul 1 '13 at 9:50
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How to check if a string is a valid date
I have a string: "31-02-2010" and want to check whether or not it is a valid date.
What is the best way to do it?
14 Answ...
How to initialize a two-dimensional array in Python?
I'm beginning python and I'm trying to use a two-dimensional list, that I initially fill up with the same variable in every place. I came up with this:
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