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Multiple inheritance/prototypes in JavaScript

...lling [[GetPrototypeOf]] and getting the own properties of each one. So in order to make it iterate the properties of all prototypes, I use this trap to make all enumerable inherited properties appear like own properties. The getOwnPropertyDescriptor trap is a trap for Object.getOwnPropertyDescripto...
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Recommended way to get hostname in Java

...iable through System.getenv() Execute hostname and read the response Read /etc/hostname (to do this I'm executing cat since the snippet already contains code to execute and read. Simply reading the file would be better, though). The code: public static void main(String[] args) throws IOException...
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Is it worth using Python's re.compile?

....compile. If we call it, we bypass the cache. It turns out to be about two orders of magnitude slower for a basic regular expression, such as r'\w+\s+([0-9_]+)\s+\w*'. Here's my test: #!/usr/bin/env python import re import time def timed(func): def wrapper(*args): t = time.time() ...
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Request is not available in this context

... will also need some additional configuration on your log4net appenders in order for them to log your custom data. This solution can be easily implemented as a custom log enhancement module. Here is sample code for it: using System; using System.Web; using log4net; using log4net.Core; namespace Y...
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Assign pandas dataframe column dtypes

... I have 1000's of files from cisco logs that I need to parse manually. In order to be flexible with fields and types I have successfully tested using StringIO + read_cvs which indeed does accept a dict for the dtype specification. I usually get each of the files ( 5k-20k lines) into a buffer and ...
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Sorting an array of objects by property values

... Sort homes by price in ascending order: homes.sort(function(a, b) { return parseFloat(a.price) - parseFloat(b.price); }); Or after ES6 version: homes.sort((a, b) => parseFloat(a.price) - parseFloat(b.price)); Some documentation can be found here...
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How can I calculate an md5 checksum of a directory?

...ar c <dir> has some issues: tar processes directory entries in the order which they are stored in the filesystem, and there is no way to change this order. This effectively can yield completely different results if you have the "same" directory on different places, and I know no way to fix ...
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How to compare arrays in JavaScript?

...us Indeed, it won't return true if the elements do not have the exact same order in both arrays. However, the goal of an equality check is not to check if they contains the same elements but to check if they have the same element in the same orders. – Quentin Roy ...
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RESTfully design /login or /register resources?

...ble). You can have a lookup though for external/internal id conversion in order to mitigate backend requirements. share | improve this answer | follow | ...
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Using jQuery to compare two arrays of Javascript objects

...re the same. The objects may not (and most likely will not) be in the same order in each array. Each array shouldn't have any more than 10 objects. I thought jQuery might have an elegant solution to this problem, but I wasn't able to find much online. ...