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How to call a Python function from Node.js
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Easiest way I know of is to use "child_process" package which comes packaged with node.
Then you can do something like:
const spawn = require("child_process").spawn;
const pythonProcess = spawn('python',["path/to/script.py", arg1, arg2, ....
Loop backwards using indices in Python?
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the second argument is one less than the final value. so if you put -1 then the range stops at 0, if you put -5, the range stops at -4 (for an increment of -1)
– mulllhausen
Jul 20 '14 at 14:01
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Selecting a row of pandas series/dataframe by integer index
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What if you wanted the 2nd AND 3rd AND 4th row?
– FaCoffee
Nov 7 '16 at 20:36
1
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Remove empty elements from an array in Javascript
... when there were not many useful built-in methods in the Array.prototype.
Now, certainly, I would recommend you to use the filter method.
Take in mind that this method will return you a new array with the elements that pass the criteria of the callback function you provide to it.
For example, if ...
Failed to Attach to Process ID Xcode
...xperienced this problem?
Yesterday I still can run my app in simulator but now I cannot run my app since Xcode prints this error in console:
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Objective-C: difference between id and void *
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void * means "a reference to some random chunk o' memory with untyped/unknown contents"
id means "a reference to some random Objective-C object of unknown class"
There are additional semantic differences:
Under GC Only or GC Supported modes, the compiler will emit write barriers for references...
error C2780: \'void __cdecl std::sort(_RI,_RI,_Pr)\' : expects 3 argum...
error C2780: 'void __cdecl std::sort(_RI,_RI,_Pr)' : expects 3 arguments - 2 providedprog7.cpp(8) :error C2780:'void __cdecl std::sort(_RI,_RI,_Pr)' : expects 3 arguments - 2 provided C: Pr...prog7.cpp(8) : error C2780: 'void __cdecl std::sort(_RI,_RI,_Pr)' : expects 3 arguments - 2 provided
C:...
What tools are there for functional programming in C?
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Sadly, this doesn’t work in practice: if you want the closure to capture anything, it requires an executable stack, which is a terrible security practice. Personally, I don’t think it is useful at all.
– Demi
Aug 2 '17 at...
urlencode vs rawurlencode?
If I want to create a URL using a variable I have two choices to encode the string. urlencode() and rawurlencode() .
11 ...
Asynchronous Process inside a javascript for loop [duplicate]
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async await is here
(ES7), so you can do this kind of things very easily now.
var i;
var j = 10;
for (i = 0; i < j; i++) {
await asycronouseProcess();
alert(i);
}
Remember, this works only if asycronouseProcess is returning a Promise
If asycronouseProcess is not in your cont...