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Difference between fold and reduce?

...ing to learn F# but got confused when trying to distinguish between fold and reduce . Fold seems to do the same thing but takes an extra parameter. Is there a legitimate reason for these two functions to exist or they are there to accommodate people with different backgrounds? (E.g.: String and...
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WAMP 403 Forbidden message on Windows 7

... me too. Though in my case I had to first "Put offline", then "Put online" and worked without any other changes to my config files! Thank you!! – Osmar Apr 18 '16 at 3:59 1 ...
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List vs tuple, when to use each? [duplicate]

In Python, when should you use lists and when tuples? 7 Answers 7 ...
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How do you make sure email you send programmatically is not automatically marked as spam?

This is a tricky one and I've always relied on techniques, such as permission-based emails (i.e. only sending to people you have permission to send to) and not using blatantly spamish terminology. ...
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Is there a regular expression to detect a valid regular expression?

...group start (?: (?:[^?+*{}()[\]\\|]+ # literals and ^, $ | \\. # escaped characters | \[ (?: \^?\\. | \^[^\\] | [^\\^] ) # character classes (?: [^\]\\]+ | \\. )* \] | \( (?:\?[:=!]|\?<[=!]|\?>)? (?1)?? ...
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Why is the shovel operator (

...g a new one. The reason for this is that in ruby a += b is syntactic shorthand for a = a + b (the same goes for the other <op>= operators) which is an assignment. On the other hand << is an alias of concat() which alters the receiver in-place. ...
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Can't install via pip because of egg_info error

... egg ones. If you find yourself having my issue above, download this file and then in powershell or command prompt, navigate to ez_setup’s directory and execute the command and this will run the file for you: $ [sudo] python ez_setup.py If you still need to install pip at this point, run: $ ...
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How to remove a package from Laravel using composer?

... Running the following command will remove the package from vendor (or wherever you install packages), composer.json and composer.lock. Change vendor/package appropriately. composer remove vendor/package Obviously you'll need to remove references ...
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Easiest way to pass an AngularJS scope variable from directive to controller?

... so complex, isn't there a way I can access a controller from a directive, and set one of it's scope variables? 2 Answers ...
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Get query string parameters url values with jQuery / Javascript (querystring)

Anyone know of a good way to write a jQuery extension to handle query string parameters? I basically want to extend the jQuery magic ($) function so I can do something like this: ...