Tutorial by Examples: nd

Declaring the splat is useful for reusing sets of parameters multiple times or with slight variations: $splat = @{ Class = "Win32_SystemEnclosure" Property = "Manufacturer" ErrorAction = "Stop" } Get-WmiObject -ComputerName $env:COMPUTERNAME @splat Get...

OS X Download and run the OS X installer. Windows Download and run the Windows installer 32-bit 64-bit. Debian/Ubuntu Run the following to add our apt repository and install the CLI: $ sudo add-apt-repository "deb https://cli-assets.heroku.com/branches/stable/apt ./" $ curl -L https...

app\Exceptions\Handler.php public function render($request, Exception $exception) { if ($exception instanceof ModelNotFoundException) { abort(404); } return parent::render($request, $exception); } You can catch / handle any exception that is thrown in Laravel.

One example of machine learning algorithms is the Random Forest alogrithm (Breiman, L. (2001). Random Forests. Machine Learning 45(5), p. 5-32). This algorithm is implemented in R according to Breiman's original Fortran implementation in the randomForest package. Random Forest classifier objects ca...

Here is a simple proof by induction. Require Import Coq.Setoids.Setoid. Require Import Coq.Arith.Lt. (* A number is less than or equal to itself *) Theorem aLTEa : forall a, a <= a. auto with arith. (* This follows by simple arithmetic *) Qed. Theorem simplALTE : forall a ...

It parses the data from the %%GLOBAL_ConversionCode%% template variable, and as such this script should be inserted in order.html immediately after the %%GLOBAL_ConversionCode%% variable. This was originally intended for the Blueprint theme framework and, as such, may not work on Stencil. <scrip...

The window.confirm() method displays a modal dialog with an optional message and two buttons, OK and Cancel. Now, let's take the following example: result = window.confirm(message); Here, message is the optional string to be displayed in the dialog and result is a boolean value indicating wheth...

from subprocess import check_call ok = check_call(['ffmpeg','-i','input.mp3','output.wav']) if ok: with open('output.wav', 'rb') as f: wav_file = f.read() note: http://superuser.com/questions/507386/why-would-i-choose-libav-over-ffmpeg-or-is-there-even-a-difference What are ...

Flask's built-in webserver is able to serve static assets, and this works fine for development. However, for production deployments that are using something like uWSGI or Gunicorn to serve the Flask application, the task of serving static files is one that is typically offloaded to the frontend webs...

# from BaseHTTPServer import BaseHTTPRequestHandler, HTTPServer # python2 from http.server import BaseHTTPRequestHandler, HTTPServer # python3 class HandleRequests(BaseHTTPRequestHandler): def _set_headers(self): self.send_response(200) self.send_header('Content-type', 'text...

<p class="alert alert-success" *ngIf="names.length > 2">Currently there are more than 2 names!</p>

NgFor provides Some values that can be aliased to local variables index -(variable) position of the current item in the iterable starting at 0 first -(boolean) true if the current item is the first item in the iterable last -(boolean) true if the current item is the last item in the iterable ...

To enable SSH create a file called ssh in the /boot directory of your SD card. Identify the drive letter associated with your SD card. Open a command prompt (press Win+R on your keyboard to open the Run window. Then, type cmd) Enter the following at the command prompt (replacing Drive...

This is a quick guide to get Robot Framework 3.0 working on a Windows machine using Python 2.7.11 - It does not go into too much depth on the why and how, it simply gets you up and running. First things are first, let't go and install Python! Download Python 2.7.11 for Windows. (Windows x86-64 ...

import pyglet from pyglet.gl import * win = pyglet.window.Window() glClear(GL_COLOR_BUFFER_BIT) @win.event def on_draw(): glBegin(GL_POINTS) glVertex2f(x, y) #x is desired distance from left side of window, y is desired distance from bottom of window #make as many vertexes as...

BatchBashDescriptioncommand /?man commandShows the help for commandbitsadminwget or curlDownloads a remote filecertutil -hashfile file_name MD5md5sum file_nameGets the MD5 checksum of file_namecdpwdDisplays the current directorycd directorycd directoryChanges the current directory to the specified o...

BatchBashDescription%variable%$variableA regular variable!variable!$variableA variable inside of a code block when setlocal enabledelayedexpansion is on%errorlevel% or ERRORLEVEL$?Returns the status of the previous command: 0 if successful, 1 (or something else) if not%1, %2, %3, etc.$1, $2, $3, etc...

Windows provides an explicit interface through which the winsound module allows you to play raw beeps at a given frequency and duration. import winsound freq = 2500 # Set frequency To 2500 Hertz dur = 1000 # Set duration To 1000 ms == 1 second winsound.Beep(freq, dur)

Declare @userList Table(UserKey VARCHAR(60)) Insert into @userList values ('bill'),('jcom'),('others') --Declared a table variable and insert 3 records Declare @text XML Select @text = ( select UserKey from @userList for XML Path('user'), root('group') ) --Set the XML value from ...

The following 3 features (that were deprecated in 1.9) are no longer available in 1.10, they are : fnRender: According to the deverloper: The old fnRender option provided a method of manipulating a cell when it was created. however, it was provided with a confusing list of options as its a...