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What are the differences between the urllib, urllib2, urllib3 and requests module?

...k. But the requests package is so unbelievably useful and short that everyone should be using it. First, it supports a fully restful API, and is as easy as: import requests resp = requests.get('http://www.mywebsite.com/user') resp = requests.post('http://www.mywebsite.com/user') resp = requests....
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Difference between freeze and seal

...t.seal does, plus: It prevents modifying any existing properties Neither one affects 'deep'/grandchildren objects. E.g., if obj is frozen, obj.el can’t be reassigned, but the value of obj.el could be modified, e.g. obj.el.id can be changed. Performance: Sealing or freezing an object may affe...
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How can I open a cmd window in a specific location?

...answers the "letter" of the question, but not the "spirit"! This requires one to "...to navigate all the way to the directory I want." Ok, perhaps not "navigate", but rather "type", which is hardly a shortcut! – raven Sep 6 '14 at 19:23 ...
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Is it safe to delete a NULL pointer?

... can be several other pointers pointing to the same object even if you set one to NULL on deletion. – sth Nov 16 '10 at 2:47 13 ...
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Simplest way to do a fire and forget method in C#?

I saw in WCF they have the [OperationContract(IsOneWay = true)] attribute. But WCF seems kind of slow and heavy just to do create a nonblocking function. Ideally there would be something like static void nonblocking MethodFoo(){} , but I don't think that exists. ...
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Is there a library function for Root mean square error (RMSE) in python?

...u are learning to throw darts at a dart board. Every day you practice for one hour. You want to figure out if you are getting better or getting worse. So every day you make 10 throws and measure the distance between the bullseye and where your dart hit. You make a list of those numbers list1. U...
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How do I *really* justify a horizontal menu in HTML+CSS?

...stify-content: space-between - (example here): ul { list-style: none; padding: 0; margin: 0; } .menu { display: flex; justify-content: space-between; } <ul class="menu"> <li>Item One</li> <li>Item Two</li> <li>Item ...
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Insert Unicode character into JavaScript

...amp;#937; , it parses that code as JS and the whole thing doesn't work. Anyone know how to go about this? 4 Answers ...
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How exactly does the callstack work?

...ad here on Stack Overflow, and they are all brilliant. But there is still one thing that I didn't fully understand yet. 7 ...
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How do I add a simple onClick event handler to a canvas element?

.... This code attaches a click event to the canvas element, and then pushes one shape (called an element in my code) to an elements array. You could add as many as you wish here. The purpose of creating an array of objects is so we can query their properties later. After all the elements have been p...