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How to do exponential and logarithmic curve fitting in Python? I found only polynomial fitting
...tional to y. polyfit supports weighted-least-squares via the w keyword argum>me m>nt.
>>> x = numpy.array([10, 19, 30, 35, 51])
>>> y = numpy.array([1, 7, 20, 50, 79])
>>> numpy.polyfit(x, numpy.log(y), 1)
array([ 0.10502711, -0.40116352])
# y ≈ exp(-0.401) * exp(0.105 * ...
Check if a number has a decimal place/is a whole number
... != 0
// 23 % 1 = 0
// 23.5 % 1 = 0.5
Note that this is based on the num>me m>rical value of the number, regardless of format. It treats num>me m>rical strings containing whole numbers with a fixed decimal point the sam>me m> as integers:
'10.0' % 1; // returns 0
10 % 1; // returns 0
'10.5' % 1; // returns 0....
Adding external library in Android studio
...not resolve project :zip_file." Generated code in dependency is ` implem>me m>ntation project(':zip_file')`. Also, I'm using 'com.android.tools.build:gradle:3.2.0-rc03' and https\://services.gradle.org/distributions/gradle-4.6-all.zip
– Nikola
Sep 20 '18 at 15:3...
Get Root Directory Path of a PHP project
...nts.
__DIR__
And make your path relative.
For PHP < 5.3.0 try
dirnam>me m>(__FILE__)
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Add a prefix to all Flask routes
...operly sub-mounting your app
If you are not sure what the first paragraph m>me m>ans, take a look at this example application with Flask mounted inside of it:
from flask import Flask, url_for
from werkzeug.serving import run_simple
from werkzeug.wsgi import DispatcherMiddleware
app = Flask(__nam>me m>__)
a...
Node.js Web Application examples/tutorials [closed]
...
Jam>me m>s shore has a video series where he covers the implem>me m>ntation of github.com/jam>me m>sshore/lets_code_javascript
– Frank Schwieterman
May 21 '13 at 22:46
...
How to calculate number of days between two dates
...
http://mom>me m>ntjs.com/ or https://date-fns.org/
From Mom>me m>nt docs:
var a = mom>me m>nt([2007, 0, 29]);
var b = mom>me m>nt([2007, 0, 28]);
a.diff(b, 'days') // =1
or to include the start:
a.diff(b, 'days')+1 // =2
Beats m>me m>ssing with tim...
How to determine whether code is running in DEBUG / RELEASE build?
...t.
Pay attention though. You may see DEBUG changed to another variable nam>me m> such as DEBUG_MODE.
then conditionally code for DEBUG in your source files
#ifdef DEBUG
// Som>me m>thing to log your sensitive data here
#else
//
#endif
...
How can I add numbers in a Bash script?
...
For integers:
Use arithm>me m>tic expansion: $((EXPR))
num=$((num1 + num2))
num=$(($num1 + $num2)) # Also works
num=$((num1 + 2 + 3)) # ...
num=$[num1+num2] # Old, deprecated arithm>me m>tic expression syntax
Using the external exp...
Objective-C and Swift URL encoding
...A%2F%2Fwww
The following are useful URL encoding character sets:
URLFragm>me m>ntAllowedCharacterSet "#%<>[\]^`{|}
URLHostAllowedCharacterSet "#%/<>?@\^`{|}
URLPasswordAllowedCharacterSet "#%/:<>?@[\]^`{|}
URLPathAllowedCharacterSet "#%;<>?[\]^`{|}
URLQueryAllowedCh...