Tutorial by Examples: od

to_upper(): #include <iostream> #include <string> #include <boost/algorithm/string.hpp> using namespace std; int main() { // String to convert characters to uppercase string str = "ThIS iS SUpPoSEd tO Be UpPeR CAsE."; // Convert characters i...
So you want to add material design to your business or career portfolio.huh? You Just can not resist using a Modal? which pops upon a click on those crisp cards you intend to design, for each of your projects/products! Let us say, for each project, you have done, or for each product you have design...
Note I assume you know Webcomponent Specifications Polymer from Google What if, we could just have one custom element, say <tool-bar></tool-bar> and it magically did everything that messy Modal markup could? Tempting eh! How do you specify which Modal belongs to which project...
So far, we defined how easy it is to write a custom element that hides the messy html behind it and gives the user, an easy to write and brief markup. Time to code it! Our custom element, to display the bar below the hero image should Accept a Link to be shared Accept a Link to the Repo to be ...
On whichever page you want to display your product / project portfolio, invoke the custom element like so: <article id="project-neighbourhood"> <div class="row"> <div class="col-12 hero"> <img src="path-to-hero-image...
Depth-first search is an algorithm for traversing or searching tree or graph data structures. One starts at the root and explores as far as possible along each branch before backtracking. A version of depth-first search was investigated in the 19th century French mathematician Charles Pierre Trémaux...
Most examples of a function returning a value involve providing a pointer as one of the arguments to allow the function to modify the value pointed to, similar to the following. The actual return value of the function is usually some type such as an int to indicate the status of the result, whether ...
The Google Analytics APIs allow you to access data within Google Analytics. It should not be confused with the measurement protocol which is used for inserting data into Google Analytics. The Google Analytics API is split into serval parts. Google Analytics Reporting APIs The Google Analytic...
Any method in Rails model can return boolean value. simple method- ##this method return ActiveRecord::Relation def check_if_user_profile_is_complete User.includes( :profile_pictures,:address,:contact_detail).where("user.id = ?",self) end Again simple method returning bool...
Using compose with a View, ViewModel and Model is an easy way to reuse and combine different Views and ViewModels. Given the following View and ViewModel (applies to each alternative below): src/greeter.html <template> <h1>Hello, ${name}!</h1> </template> src/gree...
There are quite a number situations where one has huge amounts of data and using which he has to classify an object in to one of several known classes. Consider the following situations: Banking: When a bank receives a request from a customer for a bankcard, the bank has to decide whether to issue...
from datetime import datetime a = datetime(2016,10,06,0,0,0) b = datetime(2016,10,01,23,59,59) a-b # datetime.timedelta(4, 1) (a-b).days # 4 (a-b).total_seconds() # 518399.0
Uses C standard format codes. from datetime import datetime datetime_string = 'Oct 1 2016, 00:00:00' datetime_string_format = '%b %d %Y, %H:%M:%S' datetime.strptime(datetime_string, datetime_string_format) # datetime.datetime(2016, 10, 1, 0, 0)
Let's say we have 8 houses. We want to setup telephone lines between these houses. The edge between the houses represent the cost of setting line between two houses. Our task is to set up lines in such a way that all the houses are connected and the cost of setting up the whole connection is mini...
Sometimes we want to use a where query on a a collection of records returned which is not ActiveRecord::Relation.Hence we get the above error as Where clause is know to ActiveRecord and not to Array. There is a precise solution for this by using Joins. EXAMPLE:- Suppose i need to find all user ...
Although it might not be proper to do such thing in a view if you intend to separate concerns strictly, the php Blade directive allows a way to execute PHP code, for instance, to set a variable: @php($varName = 'Enter content ') (same as:) @php $varName = 'Enter content '; @endphp late...
First we need to make a ViewModel. Make a new folder /Models/Account, and add the file MemberLoginViewModel.cs to the folder. using System; using System.Collections.Generic; using System.ComponentModel.DataAnnotations; using System.Linq; using System.Web; namespace MyCMS.Models.Account { ...
Polymorphism is one of the basic concepts in OOP (Object Oriented Programming). Main idea of the polymorphism is that an object have the ability to take on different forms. To achieve that (polymorphism), we have two main approaches. Method overloading Occures when there are two or more meth...
Method overloading is the way of using polymorphism inside a class. We can have two or more methods inside the same class, with different input parameters. Difference of input parameters can be either: Number of parameters Type of parameters (Data type) Order of the parameters Let's take a ...
Abstraction is one of the main concepts in Object Oriented Programming (OOP). This is the process of hiding the implementation details for the outsiders while showing only essential details. In another words, Abstraction is a technique to arrange the complexity of a program. There are two basic typ...

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