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How to do exponential and logarithmic curve fitting in Python? I found only polynomial fitting
...ed to provide an initialize guess so curve_fit can reach the desired local minimum.
>>> x = numpy.array([10, 19, 30, 35, 51])
>>> y = numpy.array([1, 7, 20, 50, 79])
>>> scipy.optimize.curve_fit(lambda t,a,b: a*numpy.exp(b*t), x, y)
(array([ 5.60728326e-21, 9.9999350...
How to retrieve a user environment variable in CMake (Windows)
... environment variables in my projects into a CMake cached variable:
cmake_minimum_required(VERSION 2.6)
project(PrintEnv NONE)
if (NOT "$ENV{EnvironmentVariableName}" STREQUAL "")
set(EnvironmentVariableName "$ENV{EnvironmentVariableName}" CACHE INTERNAL "Copied from environment variable")
en...
Why are side-effects modeled as monads in Haskell?
...athological case precisely because it offers almost nothing more than this minimum. In specific cases, types may reveal more structure, and thus have actual meaning; but otherwise the essential properties of a monad--based on the laws--are as antithetical to clear denotation as IO is. Without export...
Maintain the aspect ratio of a div with CSS
...ld probably be a good idea to avoid.
You should probably already have a minimum width like this defined for fluid elements of your web site. If not, it is a good idea to do so in order to avoid chopping elements off or having overlap when the browser window gets too small. It is better to have ...
WiX tricks and tips
...ows Installer -->
<?define ProductVersion = "1.0.0.0" ?>
<!-- Minimum version supported if product already installed and this is an upgrade -->
<!-- Note that 4th version (Revision) is ignored by Windows Installer -->
<?define MinimumUpgradeVersion = "0.0.0.0" ?>
<!--...
Should I use px or rem value units in my CSS? [closed]
...
have 1rem equal 1px This causes troubles due to Chrome's minimum font-size: stackoverflow.com/questions/44378664/… stackoverflow.com/questions/24200797/…
– Paul
Jul 3 '18 at 6:28
...
How to serve an image using nodejs
... are my five examples doing the job on 5 different levels of abstraction.
Minimum functionality
Every example serves files from the public directory and supports the minumum functionality of:
MIME types for most common files
serves HTML, JS, CSS, plain text and images
serves index.html as a defa...
Example of Named Pipes
How do I write a simple--bare minimum needed for it to work--test application that illustrates how to use IPC/Named Pipes?
...
How to create your own library for Android development to be used in every program you write?
...ses on creating Android libraries.
Give your library a name and select a minimum SDK version for the code in the library, then click Finish.
Once the Gradle project sync completes, the library module appears in
the Project panel on the left. If you don't see the new module
folder, make...
How do you detect Credit card type based on number?
...er. IINs are six digits long, so a complete card number must be 7 digits (minimum) and must pass the Luhn check. There’s no need for “proof” that Mastercard numbers have anything other than 16 digits; the point is that, regardless of the situation today, in future they might issue cards with...