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Cosine Similarity between 2 Number Lists
I need to calculate the cosine similarity between two lists , let's say for example list 1 which is dataSetI and list 2 which is dataSetII . I cannot use anything such as numpy or a statistics module. I must use common modules (math, etc) (and the least modules as possible, at that, to reduc...
How to merge two arrays in JavaScript and de-duplicate items
...gh", "Shakya"];
const array3 = [...array1, ...array2];
Since there is no 'built in' way to remove duplicates (ECMA-262 actually has Array.forEach which would be great for this), we have to do it manually:
Array.prototype.unique = function() {
var a = this.concat();
for(var i=0; i<a.lengt...
Inline functions vs Preprocessor macros
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Preprocessor macros are just substitution patterns applied to your code. They can be used almost anywhere in your code because they are replaced with their expansions before any compilation starts.
Inline functions are actual functions whose body is direc...
how to delete all commit history in github? [duplicate]
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Deleting the .git folder may cause problems in your git repository. If you want to delete all your commit history but keep the code in its current state, it is very safe to do it as in the following:
Checkout
git checkout --orp...
How to extend an existing JavaScript array with another array, without creating a new array
There doesn't seem to be a way to extend an existing JavaScript array with another array, i.e. to emulate Python's extend method.
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Logical operators (“and”, “or”) in DOS batch
How would you implement logical operators in DOS Batch files?
12 Answers
12
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Combining two Series into a DataFrame in pandas
... Series s1 and s2 with the same (non-consecutive) indices. How do I combine s1 and s2 to being two columns in a DataFrame and keep one of the indices as a third column?
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Why does `a == b or c or d` always evaluate to True?
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In many cases, Python looks and behaves like natural English, but this is one case where that abstraction fails. People can use context clues to determine that "Jon" and "Inbar" are objects joined to the verb "equals", but the Python interpreter is more lit...
iOS app, programmatically get build version
Is there a way to programmatically get the build version of my app? I need to be able to detect when the user has updated the app through the AppStore, in order to execute some code for adjustments
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Is there a standard keyboard shortcut to build the current project in Visual Studio?
I know that Ctrl + Shift + B launches a solution build, but I would like a shortcut that just builds the current project. Is a custom shortcut my only option?
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