I've build some code to allow me to match a dictionary of dictionary containing hash as key, and another dict array with hashes, but I obtain unexpectedly high results, all compared data are hashed, it produce good matching results but I've a...
I've seen a lot of questions about the fastest way to access object properties (like using . vs []), but can't seem to find whether it's faster to retrieve object properties that are declared higher than others in object literal syntax....
I have an object that has pairs of replacement values used for simple encoding / decoding (not for security, just for a convenience; too complicated to explain it all here). It's in the form  var obj = {x: y,            x: y,            ......
I've been working on a script for my google sheet that takes a full string from a cell and compared them against a list of keywords on a second sheet, this should return the column number. There is more to go, but i'm having some trouble.  I...
I've mostly thought that the less variables I declare the better off I am. So when I went through the presentation notes of the talk by Julien Lecomte and found him declaring local variables to reduce look-up overhead..   var arr = ...; var glob...
below code is how i do sorting for my lookup function:  {     $lookup: {         from: 'members',         let: { abc: '$abc' },         pipeline: [             {                 $match: { $expr: { $in: ['$_id', '$$abc'...
I have:   A number of checkboxes  A button to submit A JSON string object.  A function to check which checkboxes are checked, and return their values in an alert or console.log with an evenlistener on my submit-button.  An output DIV   How can I comp...
How can I access ember component's controller from another controller? Is there a backdoor way like __container__.lookup just to know that there is this instance of component? When I tried __container__.lookup with "component:<myComponentn...
How can I apply an array to a lookup dictionary in Javascript?  Example:  lookup = {"milk": 1, "water": 2, "soda": 3}; my_array = ["milk", "milk", "water", "milk", "soda"];  my_array.???...
Well having grown up in C++, I am always conscious about what algorithm would fit what. So when I notice the application started to behave sluggish on mobile phones I immediately started looking at the data structures and how they are represented.  I...

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