Tutorial by Examples: el

As the powershell is installed by default on every windows system from 7/2008 and above it can be used for more complex calculations: @echo off set "expression=(2+3)*10/1000" for /f %%# in ('"powershell %expression%"') do set result=%%# echo %result% Mind the additional do...

Celery requires a broker to handle message-passing. We use RabbitMQ because it’s easy to setup and it is well supported. Install rabbitmq using the following command sudo apt-get install rabbitmq-server Once the installation is complete, create user, add a virtual host and set permissions. sud...

Docs: 1.x -> 2.x upgrade guide, registering an element, shared style modules. <link rel="import" href="bower_components/polymer/polymer-element.html"> <dom-module id="element-name"> <template> <!-- Use one of these style declaration...

Docs: extending elements, inherited templates. Instead of Polymer.Element, a custom element can extend a different element: class ParentElement extends Polymer.Element { /* ... */ } class ChildElement extends ParentElement { /* ... */ } To change or add to the parent's template, over...

This has been mentioned in other hybrid topics again and again. The old-school, but easy method to run Powershell is by: echoing the Powershell script into a temporary script Execute the temporary script Optionally remove the temporary script This is a sample script. @echo off echo power...

Using the POWERSHELL command, we can execute a 1-line command directly from a batch script, without any temporary file. Here's the syntax. powershell.exe -Command <yourPowershellCommandHere> You may also want to include other flags, like -Nologo to improve the actual outcome.

#include opencv2/opencv.hpp> #include vector> using namespace std; using namespace cv; int main() { Mat3b img = imread("test.jpg"); imshow("Original", img); // Cluster int K = 8; int n = img.rows * img.cols; Mat data = img.reshape(1, n); data.convertTo(data, CV_32F); ...

For example without a barrel, a consumer would need three import statements: import { HeroComponent } from '../heroes/hero.component.ts'; import { Hero } from '../heroes/hero.model.ts'; import { HeroService } from '....

import tensorflow as tf # good idea tf.reset_default_graph() # DO MODEL STUFF # Pretrained weighting of 2.0 W = tf.get_variable('w', shape=[], initializer=tf.constant(2.0), dtype=tf.float32) # Model input x x = tf.placeholder(tf.float32, name='x') # Model output y = W*x y = tf.multiply(W,...

public static void main( String[] args ) throws IOException { // good idea to print the version number, 1.2.0 as of this writing System.out.println(TensorFlow.version()); final int NUM_PREDICTIONS = 1; // load the model Bundle try (SavedModelBundle b = SavedModelB...

You can make function passed to test() method async - then you can use await keyword. Your test will wait until Promises resolve and testing asynchronous code becomes easier and more readable. In the following example call that returns a Promise is changeset.validate(). Please notice also wrapping s...

using Newtonsoft.Json.Linq; using System.Collections.Generic; public class JsonFieldsCollector { private readonly Dictionary<string, JValue> fields; public JsonFieldsCollector(JToken token) { fields = new Dictionary<string, JValue>(); CollectFields...

A Django model typically refers to a table in the database, attributes of that model becomes the column of that table. In more of a real-world example, you would create a model for any entity in your application, and store its attributes with django fields which automatically handles data-types conv...

A simple example would be for a library management application; you would have 2 models, for example, student and book in models.py: from django.db import models class student(models.Model): roll_no = models.IntegerField(primary_key=True) first_name = models.CharField(max_length=30) ...

custom stuff

The first function, using an array, is much faster If called without the optional parameter, will default to .ThisWorkbook.ActiveSheet If the range is empty will returns Cell( 1, 1 ) as default, instead of Nothing Speed: GetMaxCell (Array): Duration: 0.0000790063 seconds GetMaxCell (Find ...

Deleting rows is slow, specially when looping through cells and deleting rows, one by one A different approach is using an AutoFilter to hide the rows to be deleted Copy the visible range and Paste it into a new WorkSheet Remove the initial sheet entirely With this method, th...

The procedures bellow will temporarily disable all Excel features at WorkBook and WorkSheet level FastWB() is a toggle that accepts On or Off flags FastWS() accepts an Optional WorkSheet object, or none If the ws parameter is missing it will turn all features on and off for all WorkSh...

Prerequisites: Setting up the Development Environment Before we get started, we have to setup our environment. Install Node.js and npm if they are not already on your machine. Verify that you are running at least node 6.9.x and npm 3.x.x by running node -v and npm -v in a terminal/console wi...

int DVRowLimit = (Int16.MaxValue); CellRangeAddressList cellRangeFieldsType1 = new CellRangeAddressList(1, DVRowLimit, targetFirstCol, targetLastCol); XSSFDataValidationConstraint dvConstraint = (XSSFDataValidationConstraint)validationHelper.CreateDateConstraint(OperatorType.BET...