Tutorial by Examples: on

async.series(To handle events one by one)

/In async.series,all the functions are executed in series and the consolidated outputs of each function is passed to the final callback. e.g/ var async = require('async'); async.series([ function (callback) { console.log('First Execute..'); callback(null, 'userPersonalData'); }, function (cal...

Node.js • async.js

find() method with Projection

The basic syntax of find() method with projection is as follows > db.COLLECTION_NAME.find({},{KEY:1}); If you want to show all documents without the age field then the command is as follows db.people.find({},{age : 0}); If you want to show all documents the age field then the command is a...

MongoDB • Querying for Data ( Getting Started )

Find() method with Projection

In MongoDB, projection means selecting only the necessary data rather than selecting whole of the data of a document. The basic syntax of find() method with projection is as follows > db.COLLECTION_NAME.find({},{KEY:1}); If you want to to show all document without the age field then the comm...

MongoDB • Querying for Data ( Getting Started )

Installation or Setup

Detailed instructions on getting optimization set up or installed.

optimization • Getting started with optimization

vendor.json using Govendor tool

# It creates vendor folder and vendor.json inside it govendor init # Add dependencies in vendor.json govendor fetch <dependency> # Usage on new repository # fetch depenencies in vendor.json govendor sync Example vendor.json { "comment": "", "ignore&qu...

Go • Vendoring

Read input from console

Using scanf Scanf scans text read from standard input, storing successive space-separated values into successive arguments as determined by the format. It returns the number of items successfully scanned. If that is less than the number of arguments, err will report why. Newlines in the input mus...

Go • Console I/O

Installation or Setup

In order to install asyncio: pip install asyncio Notice that python asyncio requires Python 3.3 or later. This module became part of the Python standard library since Python 3.4.

python-asyncio • Getting started with python-asyncio

Simple Config file - Chrome

var config = {}; var timeout = 120000; config.framework = 'jasmine2'; config.allScriptsTimeout = timeout; config.getPageTimeout = timeout; config.jasmineNodeOpts.isVerbose = true; config.jasmineNodeOpts.defaultTimeoutInterval = timeout; config.specs = ['qa/**/*Spec.js']; config.browserName...

protractor • Protractor configuration file

Config file with capabilities - Chrome

var config = {}; var timeout = 120000; config.framework = 'jasmine2'; config.allScriptsTimeout = timeout; config.getPageTimeout = timeout; config.jasmineNodeOpts.isVerbose = true; config.jasmineNodeOpts.defaultTimeoutInterval = timeout; config.specs = ['qa/**/*Spec.js']; config.capabilitie...

protractor • Protractor configuration file

config file shardTestFiles - Chrome

This configuration lets' you run your total spec files in two browser instances in parallel. It helps reduce the overall test execution time. Change the maxInstances based on your need. Note: Make sure your tests are independent. var config = {}; var timeout = 120000; config.framework = 'jasmi...

protractor • Protractor configuration file

config file multi-capabilities emulate - chrome

var config = {}; var timeout = 120000; config.framework = 'jasmine2'; config.allScriptsTimeout = timeout; config.getPageTimeout = timeout; config.jasmineNodeOpts.isVerbose = true; config.jasmineNodeOpts.defaultTimeoutInterval = timeout; config.specs = ['qa/**/*Spec.js']; config.multiCapabi...

protractor • Protractor configuration file

The Block Model JSON

Next we need to tell Minecraft what we want our block to look like. { "parent": "block/cube_all", "textures": { "all": "example:blocks/decorative" } } That's pretty much all that's needed for it to work once the block is ...

minecraft • Creating a basic block with Forge

Block Registration

Registering blocks is done from your main mod class, or a ModBlocks class method invoked from the main mod class during preInit. Block myBlock = new CustomBlock(); string registryname = "my_block"; block.setRegistryName(registryname); block.setUnlocalizedName(block.getRegistryName().to...

minecraft • Creating a basic block with Forge

Bit Manipulation Application: Small to Capital Letter

One of several applications of bit manipulation is converting a letter from small to capital or vice versa by choosing a mask and a proper bit operation. For example, the a letter has this binary representation 01(1)00001 while its capital counterpart has 01(0)00001. They differ solely in the bit in...

C++ • Bit Manipulation

Installation or Setup

Create a file called hello.html with the following content: <!doctype html> <html> <head> <script src="//cdnjs.cloudflare.com/ajax/libs/dygraph/2.0.0/dygraph.js"></script> <link rel="stylesheet" href="https://cdnjs.cloudflare.com...

dygraphs • Getting started with dygraphs

Define custom exception, raise it and see where it comes from

To illustrate this, here is a function that has 3 different "wrong" behaviors the parameter is completely stupid: we use a user-defined expression the parameter has a typo: we use Oracle standard NO_DATA_FOUND error another, but not handled case Feel free to adapt it to your standa...

plsql • Exception Handling

Handling connexion error exceptions

Each standard Oracle error is associated with an error number. It's important to anticipate what could go wrong in your code. Here for a connection to another database, it can be: -28000 account is locked -28001 password expired -28002 grace period -1017 wrong user / password Here is a way ...

plsql • Exception Handling

Converting an Excel Table to a normal range

Dim lo as ListObject Set lo = Sheet1.ListObjects("Table1") lo.Unlist

excel-vba • Working with Excel Tables in VBA

Installation of Angular using angular-cli

This example is a quick setup of Angular and how to generate a quick example project. Prerequisites: Node.js 6.9.0 or greater. npm v3 or greater or yarn. Typings v1 or greater. Open a terminal and run the commands one by one: npm install -g typings or yarn global add typings npm install -...

Angular • Getting started with Angular

Creating an MSBuildWorspace, loading a solution and getting all the documents in all that solution

The MSBuildWorspace is built around the concept of handling MSBuild solutions (.sln files) and their respective projects (.csproj, .vbproj). Adding new projects and documents to this workspace is not supported. string solutionPath = @"C:\Path\To\Solution\Sample.sln"; MSBuildWorkspace ...

roslyn • Using Workspaces