Tutorial by Examples: d

Django REST Framework has some authentication methods already built in, one of them is Token based, so first thing to do is to tell our project we’re going to use rest framework’s authentication. Open settings.py file and add the highlighted line. INSTALLED_APPS = ( 'django.contrib.admin', ...

Access modifiers are used to control the access to an object or to a function/method. This is a main part of the concept of Abstraction. Different programming languages use different access modifiers. Here are some examples: Java Java has 4 access modifiers. private - These attributes can ...

use Time::HiRes qw( time ); my $start = time(); #Code for which execution time is calculated sleep(1.2); my $end = time(); printf("Execution Time: %0.02f s\n", $end - $start); This will print execution time of Code in seconds

The first code block is written in Bootstrap 3. In Bootstrap 3 there are 4 types of column specifications, namely col-md-* col-lg-* col-sm-* col-xs-* . A fully responsive layout will look like this in Bootstrap 3: <div class="row"> <div class="col-lg-4 col-md-8 col-sm-8...

The GEOADD command allows a user to add geospatial information (item name, longitude, latitude) to a particular key. The GEOADD command can be used to add a single item to a key: GEOADD meetup_cities -122.43 37.77 "San Francisco" or multiple items to a key: GEOADD meetup_cities -122....

Below give solution can be also use in another supported programming languages with some syntax changes To do Scroll down page/section/division in webpage while there is custom scroll bar(Not browser scroll). Click Here For demo and check scroll bar has its independent element. In belo...

In this example we define a package header and a package body wit a function. After that we are calling a function from the package that return a return value. Package header: CREATE OR REPLACE PACKAGE SkyPkg AS FUNCTION GetSkyColour(vPlanet IN VARCHAR2) RETURN VARCHAR2; ...

This examples uses the AES algorithm for encrypting passwords. The salt length can be up to 128 bit. We are using the SecureRandom class to generate a salt, which is combined with the password to generate a secret key. The classes used are already existing in Android packages javax.crypto and java....

image: openjdk:8-jdk before_script: - curl https://dl.google.com/dl/cloudsdk/release/google-cloud-sdk.tar.gz > /tmp/google-cloud-sdk.tar.gz - mkdir -p /usr/local/gcloud - tar -C /usr/local/gcloud -xvf /tmp/google-cloud-sdk.tar.gz - echo y |/usr/local/gclou...

If you want to loop over a list of tuples for example: collection = [('a', 'b', 'c'), ('x', 'y', 'z'), ('1', '2', '3')] instead of doing something like this: for item in collection: i1 = item[0] i2 = item[1] i3 = item[2] # logic or something like this: for item in collec...

This is a simple Simulink model where we can easily generate a signal and connect it to the scope. As this example shows anyone without knowledge of programming can easily work with the model, change its parameters and see the effect on the output.

// Working with Sublists in Standard mode ... // ... if the record is in context: // Add item 456 with quantity 10 at the end of the item sublist var nextIndex = nlapiGetLineItemCount("item") + 1; nlapiSetLineItemValue("item", "item", nextIndex, 456); nlapiSetL...

// Adding a line item to the end of a sublist in Dynamic Mode... // ... if the record is in context: nlapiSelectNewLineItem("item"); nlapiSetCurrentLineItemValue("item", "item", 456); nlapiSetCurrentLineItemValue("item", "quantity", 10); nlapi...

// Which line has item 456 on it... // ... if we're in the context of a record var index = nlapiFindLineItemValue("item", "item", 456); if (index > -1) { // we found it... } else { // item 456 is not in the list } // ... or if we have a reference to the rec...

// Working with a sublist in Standard Mode in SuiteScript 2.0... require(["N/record"], function (r) { var rec = r.create({ "type": r.Type.SALES_ORDER, "isDynamic": false }); // Set relevant body fields ... // Add line item 45...

// Working with Sublists in Dynamic Mode in SuiteScript 2.0... require(["N/record"], function (r) { var rec = r.create({ "type": r.Type.SALES_ORDER, "isDynamic": true }); // Set relevant body fields ... // Add line item 456 w...

// Finding a specific line item in SuiteScript 2.0... require(["N/record"], function (r) { var rec = r.load({ "type": r.Type.SALES_ORDER, "id": 123 }); // Find the line that contains item 777 var index = rec.findSublistLineWith...

The primitive types in OpenCV are unsigned char, bool, signed char, unsigned short, signed short, int, float, double. Any data type in OpenCV is defined as CV_<bit-depth>{U|S|F}C(<number_of_channels>) where U: unsigned, S:signed and F:floating point. For example, CV_32FC2 is a 32-bit, ...

Import needed libraries: from gcloud import storage Define needed variables: Client: Bundles the configuration needed for API requests client = storage.Client() Optional params for Client(): project: the project which the client acts on behalf of. Will be passed when creating a topic. If...

Reading the specification for the document formats in OpenXML can be a time consuming process. Sometimes you just want to see how to produce a certain feature in a word-document. The Open XML SDK 2.5 Productivity Tool for Microsoft Office (OpenXmlSdkTool.exe) does just that. Its main features are: ...