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How to do exponential and logarithmic curve fitting in Python? I found only polynomial fitting
...ry explicit so noobs like me can understand.
Lets say that we have a data file or something like that
# -*- coding: utf-8 -*-
import matplotlib.pyplot as plt
from scipy.optimize import curve_fit
import numpy as np
import sympy as sym
"""
Generate some data, let's imagine that you already have t...
How to encrypt/decrypt data in php?
...f many people.
Hashing algorithms such as MD5 or SHA1 were made to verify file contents against a known hash value. They're greatly optimized to make this verification as fast as possible while still being accurate. Given their relatively limited output space it was easy to build a database with kn...
ASP.NET MVC View Engine Comparison
... the Response Output stream.
Cached. Templates are cached, but utilize a FileSystemWatcher to detect
file changes.
Dynamic. Templates can be generated on the fly in code.
Flexible. Templates can be nested to any level.
In line with MVC principles. Promotes separation of UI and Business
L...
OpenCV C++/Obj-C: Detecting a sheet of paper / Square Detection
... here is a sample code in Mathematica:
f = Import["http://thwartedglamour.files.wordpress.com/2010/06/my-coffee-table-1-sa.jpg"]
f = ImageResize[f, ImageDimensions[f][[1]]/4]
g = MedianFilter[ColorConvert[f, "Grayscale"], 2]
h = DeleteSmallComponents[Thinning[
Binarize[ImageSubtract[Dilation[g...
Pass arguments to Constructor in VBA
...
When you export a class module and open the file in Notepad, you'll notice, near the top, a bunch of hidden attributes (the VBE doesn't display them, and doesn't expose functionality to tweak most of them either). One of them is VB_PredeclaredId:
Attribute VB_Predecla...
Why are these constructs using pre and post-increment undefined behavior?
...practice is not consistent, or beyond the scope of the standard (e.g. what filenames are valid).
– Richard
Jun 4 '09 at 10:57
1
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In Java, when should I create a checked exception, and when should it be a runtime exception? [dupli
... sensible. If failure is a result of unexpected coditions (e.g. saving to file) than an exception is appropriate. Whether bad developers can shoot themselves in the foot is a marginal concern, because they'll find a way regardless.
– Andrzej Doyle
Aug 13 '10 ...
How many socket connections can a web server handle?
...per connection, it would need 64GB of RAM. If each client needs to read a file, the disk or storage array access load becomes much larger than those devices can handle. If a server needs to fork one process per connection then the OS will spend the majority of its time context switching or starvin...
Requirejs domReady plugin vs Jquery $(document).ready()?
...');
});
Note that loading and executing are different; you want all your files to load as soon as possible, it's the execution of the contents that is time sensitive.
If you omit the !, then it's just a normal module that happens to be a function, which can take a callback that won't execute befo...
How to check which locks are held on a table
...ses on a SQL Server instance. Typically you'd run this alongside a SQL Profiler instance to find a blocking process and look at the most recent command that spid issued in profiler.
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