We initialize the data we want to interpolate:
x = 0:0.5:10;
y = sin(x/2);
This means the underlying function for the data in the interval [0,10] is sinusoidal. Now the coefficients of the approximating polynómials are being calculated:
p1 = polyfit(x,y,1);
p2 = polyfit(x,y,2);
p3 = polyfit(...
See remarks for discussion of closures. Suppose we have an interface:
public interface IMachine<TState, TInput>
{
TState State { get; }
public void Input(TInput input);
}
and then the following is executed:
IMachine<int, int> machine = ...;
Func<int, int> machineC...
Introduction
Texas Instruments' (TI) CC26XX series SoCs are readily available wireless MCUs targeting Bluetooth Low Energy (BLE) applications. Along with the MCUs, TI offers a full-fledged software stack that provides necessary API and sample codes to help quickly get developers started with the to...
I would venture to say that 80% of the processing that goes on in modern computing systems does not require user interaction, such as kernel code for Linux, OSX and Windows. For those that do, there are two fundamentals which are interactivity via keyboard (pointing devices) and console. This exampl...
To install/update MVC version, follow these steps:
In visual studio, open the Package Manager console (use CTRL + Q, and type package manager console)
In the console appearing, enter the following after the console cursor showing PM>:
Install-Package Microsoft.AspNet.Mvc -Version 5.2.3...
A decision tree is a classifier which uses a sequence of verbose rules (like a>7) which can be easily understood.
The example below trains a decision tree classifier using three feature vectors of length 3, and then predicts the result for a so far unknown fourth feature vector, the so called te...
See Swift 3 example for usage information and notes
func pbkdf2SHA1Calibrate(password:String, salt:[UInt8], msec:Int) -> UInt32 {
let actualRoundCount: UInt32 = CCCalibratePBKDF(
CCPBKDFAlgorithm(kCCPBKDF2),
password.utf8.count,
salt.count,
CCPseudoRandom...
Determine the number of PRF rounds to use for a specific delay on the current platform.
Several parameters are defaulted to representative values that should not materially affect the round count.
password Sample password.
salt Sample salt.
msec Targeted duration we want to achieve f...
SVN
FreeBSD project use SVN as default SCM. Source could be download with svnlite software.
Get Current
cd /usr/src
svnlite checkout https://svn.freebsd.org/base/head .
Get Releases
cd /usr/src
svnlite checkout https://web.freebsd.org/base/release/11.0.0 .
Tarball (http & ftp)
You c...
Go to the directory with the source code:
cd freebsdsrc
Go to the directory with the kernel's configuration code:
# If your system is 32-bit.
cd sys/i386/conf/
# If your system is 64-bit.
cd sys/amd64/conf/
Get a copy of the GENERIC kernel (let's call it MODEDKERNEL). It will ...
Build the world
Go to the freebsdsrc/ (the root directory of the FreeBSD source tree you've already downloaded) and build the world:
sudo make -j${NUMBER_OF_PROCESSORS} buildworld KERNCONF=MODEDKERNEL -DNO_CLEAN
Estimated time
Estimated time on Hasee Q540S running on a one processor: 8 hours...
Let's configure the destination directory for the root filesystem of
your new FreeBSD (for example /usr/home/beastie/MODEDKERNEL).
Add the following lines to /etc/src.conf to set it up:
.if ${KERNCONF} == "MODEDKERNEL"
DESTDIR?=/usr/home/beastie/MODEDKERNEL
MODULES_OVERRID...
Install the world
sudo make installworld KERNCONF=MODEDKERNEL
Estimated time on Hasee Q540S: 5 minutes.
Install the kernel
sudo make installkernel KERNCONF=MODEDKERNEL
Estimated time on Hasee Q540S: a few seconds.
The preserveAspectRatio attribute has an optional parameter: meet | slice. The default behavior is meet which stretches the content in both the x and y dimension until it fills either the width or height of the viewBox. The alternative - slice preserves the aspect ratio of the content but scales up ...
Spring is a framework, which provides bunch of classes, by using this we don't need to write boiler plate logic in our code, so Spring provides an abstract layer on J2ee.
For Example in Simple JDBC Application programmer is responsible for
Loading the driver class
Creating the connection
Cre...
