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What does [:] mean?

...he type of population. If population is a list, this line will create a shallow copy of the list. For an object of type tuple or a str, it will do nothing (the line will do the same without [:]), and for a (say) NumPy array, it will create a new view to the same data. ...
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Finding the source code for built-in Python functions?

...out what file a particular module or function is implemented in you can usually print the __file__ attribute. Alternatively, you may use the inspect module, see the section Retrieving Source Code in the documentation of inspect. For built-in classes and methods this is not so straightforward since ...
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Private properties in JavaScript ES6 classes

...class fields work. You can't currently use this in constructor before you call super(). Yet babel puts them before super. – seeker_of_bacon Oct 3 '18 at 16:23 ...
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Can I use multiple versions of jQuery on the same page?

...trol. Can I safely just use the latter half, or do both libraries need to call noConflict()? – Bungle Oct 14 '09 at 15:05 7 ...
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Explode PHP string by new line

...from. So please use the solution from @Alin_Purcaru (three down) to cover all your bases (and upvote his answer): $skuList = preg_split('/\r\n|\r|\n/', $_POST['skuList']); share | improve this an...
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How to implement the factory method pattern in C++ correctly

... First of all, there are cases when object construction is a task complex enough to justify its extraction to another class. I believe this point is incorrect. The complexity doesn't really matter. The relevance is what does. I...
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How to inherit from a class in javascript?

...t the bottom. I now prefer Object.create(). Object.create is available in all modern browsers. I should note that Object.create is usually much slower than using new with a function constructor. //The prototype is just an object when you use `Object.create()` var Base = {}; //This is how you cre...
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Converting any string into camel case

... Looking at your code, you can achieve it with only two replace calls: function camelize(str) { return str.replace(/(?:^\w|[A-Z]|\b\w)/g, function(word, index) { return index === 0 ? word.toLowerCase() : word.toUpperCase(); }).replace(/\s+/g, ''); } camelize("EquipmentClass name"...
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Checking if form has been submitted - PHP

...for in some cases (e.g. with check boxes and button without a name). You really should use: if ($_SERVER['REQUEST_METHOD'] == 'POST') share | improve this answer | follow ...
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Download the Android SDK components for offline install

Is it possible to download the Android SDK components for offline install without using the SDK Manager? The problem is I am behind a firewall which I have no control over and both sites download URLs seem to be blocked (throws a connection refused exception) ...