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Why is there “data” and “newtype” in Haskell? [duplicate]
... to implement multiple instances of a class for that same underlying type. Now compiler won't complain if you attempt to define instances of say Ord Feet and Ord Cm. Whereas you can't have two definitions as Ord Double.
– Niket Kumar
May 29 '14 at 12:08
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How do I pass extra arguments to a Python decorator?
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Now if you want to call a function function1 with a decorator decorator_with_arg and in this case both the function and the decorator take arguments,
def function1(a, b):
print (a, b)
decorator_with_arg(10)(function1)(...
Can I have onScrollListener for a ScrollView?
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Every instance of View calls getViewTreeObserver(). Now when holding an instance of ViewTreeObserver, you can add an OnScrollChangedListener() to it using the method addOnScrollChangedListener().
You can see more information about this class here.
It lets you be aware of eve...
How to downgrade or install an older version of Cocoapods
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Update... if you call gem uninstall cocoapods it will now ask you which version you want to uninstall. Much quicker! :o)
– ingh.am
Sep 30 '15 at 13:58
1
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'id' is a bad variable name in Python
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PEP 8, which was updated 01-Aug-2013, now advises avoiding potential confusion by simply appending _ to the variable name. Please see my answer.
– DavidRR
Jan 22 '15 at 14:28
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How to instantiate a File object in JavaScript?
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Now you can!
var parts = [
new Blob(['you construct a file...'], {type: 'text/plain'}),
' Same way as you do with blob',
new Uint16Array([33])
];
// Construct a file
var file = new File(parts, 'sample.txt',...
How can I copy the output of a command directly into my clipboard?
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I know the comment is 5 years old, but in case someone stumbles on to this in the future, to use with command output, do git merge-base master some-branch | pbcopy
– Sam
Dec 31 '19 at 17:33...
How can I create a copy of an object in Python?
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@AaronHall Thanks for letting me know! This certainly isn't the greatest answer I wrote, but I kind of agree with the decision that it should not be forcibly deleted. I'll brush it up a bit, but since there are already answers with all the details (notably yo...
How to make a valid Windows filename from an arbitrary string?
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".foo" is a valid filename. Didn't know about the "CON" filename - what is it for?
– configurator
Mar 6 '09 at 23:56
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URL Encoding using C#
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Edit: Note that this answer is now out of date. See Siarhei Kuchuk's answer below for a better fix
UrlEncoding will do what you are suggesting here. With C#, you simply use HttpUtility, as mentioned.
You can also Regex the illegal characters and then re...