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Fastest way to flatten / un-flatten nested JSON objects
...am {Object} [current={}] result of flatten during the recursion
*
* @see https://docs.mongodb.com/manual/core/document/#dot-notation
*/
function flatten (obj, prefix, current) {
prefix = prefix || []
current = current || {}
// Remember kids, null is also an object!
if (typeof (obj) === '...
Reference requirements.txt for the install_requires kwarg in setuptools setup.py file
... an exact answer to the question, I recommend Donald Stufft's blog post at https://caremad.io/2013/07/setup-vs-requirement/ for a good take on this problem. I've been using it to great success.
In short, requirements.txt is not a setup.py alternative, but a deployment complement. Keep an appropriat...
Bootstrap 3 offset on right not left
...t-* for left-margin and col-*-pull-* to pull it right)
<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet"/>
<div class="container">
<div class="row">
<div class="col-xs-3 col-xs-offset-9">
I'm a right colum...
Why does the 260 character path length limit exist in Windows?
...
Quoting this article https://docs.microsoft.com/en-us/windows/desktop/FileIO/naming-a-file#maximum-path-length-limitation
Maximum Path Length Limitation
In the Windows API (with some exceptions discussed in the following paragraphs), the...
How to import a Python class that is in a directory above?
...ton
Packaging
There is a great example project available officially here: https://github.com/pypa/sampleproject
A python package is a collection of information about your source code, that can inform other tools how to copy your source code to other computers, and how to integrate your source code ...
Accessing private member variables from prototype-defined functions
...n use the new Symbol to create private fields.
Here's a great description: https://curiosity-driven.org/private-properties-in-javascript
Example:
var Person = (function() {
// Only Person can access nameSymbol
var nameSymbol = Symbol('name');
function Person(name) {
this[nameS...
What is the equivalent of the C# 'var' keyword in Java?
...you use IntelliJ for your Java development and want to try it out, it's at https://bitbucket.org/balpha/varsity.
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Why use Abstract Base Classes in Python?
...tantiate abstract class Concrete with abstract methods bar"
Example from https://dbader.org/blog/abstract-base-classes-in-python
Edit: to include python3 syntax, thanks @PandasRocks
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Mark error in form using Bootstrap
...feedback to message wrapper
Example:
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.6/css/bootstrap.min.css" integrity="sha384-rwoIResjU2yc3z8GV/NPeZWAv56rSmLldC3R/AZzGRnGxQQKnKkoFVhFQhNUwEyJ" crossorigin="anonymous">
<div class="form-group has...
Sorting 1 million 8-decimal-digit numbers with 1 MB of RAM
...sion issue first. There are some relevant tests already available:
http://www.theeggeadventure.com/wikimedia/index.php/Java_Data_Compression
"I ran a test to compress one million consecutive integers using
various forms of compression. The results are as follows:"
None 4000027
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