Tutorial by Examples: o

Passing Parameters to a route

Parameters can be specified in path property of route configuration 'use strict'; const Hapi = require('hapi'); // Create a server with a host and port const server = new Hapi.Server(); server.connection({ host: 'localhost', port: 8000 }); // Add a route path with url par...

Accessing the TextBox Control in aspx Page

TextBox txt = (TextBox)FindControl(yourtxt_Id);

Try not to panic

In Rust, there are two main methods to indicate something has gone wrong in a program: A function returning a (potentially custom-defined) Err(E), from the Result<T, E> type and a panic!. Panicking is not an alternative for exceptions, which are commonly found in other languages. In Rust, a p...

Introduction

The header ctype.h is a part of the standard C library. It provides functions for classifying and converting characters. All of these functions take one parameter, an int that must be either EOF or representable as an unsigned char. The names of the classifying functions are prefixed with 'is'. Ea...

Count Unique values in Range

Function countUnique(r As range) As Long 'Application.Volatile False ' optional Set r = Intersect(r, r.Worksheet.UsedRange) ' optional if you pass entire rows or columns to the function Dim c As New Collection, v On Error Resume Next ' to ignore the Run-time error 457: "Th...

Format Excel files with xlsxwriter

import xlsxwriter # create a new file workbook = xlsxwriter.Workbook('your_file.xlsx') # add some new formats to be used by the workbook percent_format = workbook.add_format({'num_format': '0%'}) percent_with_decimal = workbook.add_format({'num_format': '0.0%'}) bold = workbook.add_forma...

Character modifications

Character modifying functions include converting characters to upper or lower case characters, converting numbers to formatted numbers, performing character manipulation, etc. The lower(char) function converts the given character parameter to be lower-cased characters. SELECT customer_id, lower(cu...

Definition: Intrinsic Content Size

Before Auto Layout, you always had to tell buttons and other controls how big they should be, either by setting their frame or bounds properties or by resizing them in Interface Builder. But it turns out that most controls are perfectly capable of determining how much space they need, based on their...

This is part of the layout file

<?php /* this example is based on the advanced template * This file is located in * backend/views/layouts/main.php */ use yii\helpers\Html; // here the asset is registered use cinghie\adminlte\AdminLTEAsset; AdminLTEAsset::register($this); ?> <?php $this->beginPage...

The generated HTML with automaticaly loaded assets

<!DOCTYPE html> <html lang="en-EN"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> <meta name="csrf-param" content="_csrf"> <me...

Explicit Wait in Python

When browser navigates to a dynamic page (most commonly AJAX-based web application), the elements on the page can take different time to load, and furthermore: some elements will only load in response to some user actions. In such cases direct retrieval of an element may fail: # Don't do this: may ...

Create your own collection and use it to collect all your losses.

Here we will create collection for losses of Neural Network's computational graph. First create a computational graph like so: with tf.variable_scope("Layer"): W = tf.get_variable("weights", [m, k], initializer=tf.zeros_initializer([m, k], dtype=tf.float32)) ...

Installation or Setup

Detailed instructions on getting logstash set up or installed.

Simple Looping

First lets get some data into a temp table named #systables and ad a incrementing row number so we can query one record at a time select o.name, row_number() over (order by o.name) as rn into #systables from sys.objects as o where o.type = 'S' Next we declare some var...

More on Packages

In the Hello World, you were introduced to the package Ada.Text_IO, and how to use it in order to perform I/O operations within your program. Packages can be further manipulated to do many different things. Renaming: To rename a package, you use the keyword renames in a package declaration, as such...

Using an Icon

The <use> element is often used for reuseable icons, in collaboration with the <symbol> element. That looks like this: <svg> <symbol viewBox="0 0 16 16" id="icon-star"> <path d="M16 6.216l-6.095-.02L7.98.38 6.095 6.196 0 6.215h.02l4....
SVG • use

Enroll contact in the engagement plan programmatically

AutomationMetadataProvider automationMetadataProvider = Assert.ResultNotNull(Factory.CreateObject("automation/metadataProvider", true) as AutomationMetadataProvider); var context = AutomationManager.Provider.GetAutomationContext(ID.Parse(contact.ContactId)); co...

Generate a random number between 0 and 100

Pass an upper limit as an argument to the rand() function. Input: my $upper_limit = 100; my $random = rand($upper_limit); print $random . "\n"; Output: A random floating-point number, like... 45.8733038119139

Generate a random integer between 0 and 9

Cast your random floating-point number as an int. Input: my $range = 10; # create random integer as low as 0 and as high as 9 my $random = int(rand($range)); # max value is up to but not equal to $range print $random . "\n"; Output: A random integer, like... 0 See also t...

Creating a ReadOnlyCollection

Using the Constructor A ReadOnlyCollection is created by passing an existing IList object into the constructor: var groceryList = new List<string> { "Apple", "Banana" }; var readOnlyGroceryList = new ReadOnlyCollection<string>(groceryList); Using LINQ Additiona...

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