Tutorial by Examples: rom

Atom is versatile and flexible text editor and has hundreds of community-made, open-source packages that can compile and run source files, for many languages. This guide will show how easy it is to code Python with the Atom editor. This guide assumes you do not have Python nor Atom installed in you...

How to correctly extract text from nodes is one of the most popular questions we see, and almost invariably is made more difficult by misusing Nokogiri's "searching" methods. Nokogiri supports using CSS and XPath selectors. These are equivalent: doc.at('p').text # => "foo"...

An inner class which is visible to any outside class can be created from this class as well. The inner class depends on the outside class and requires a reference to an instance of it. To create an instance of the inner class, the new operator only needs to be called on an instance of the outer cla...

A print job is a request of printing something in a specific print service. It consists, basically, by: the data that will be printed (see Building the Doc that will be printed) a set of attributes After picking-up the right print service instance, we can request the creation of a print job...

$logger = $container->get('logger'); This will fetch the service with the service ID "logger" from the container, an object that implements Psr\Log\LoggerInterface.

Install properties reader: npm install properties-reader --save Create a directory env to store your properties files: mkdir env Create environments.js: process.argv.forEach(function (val, index, array) { var arg = val.split("="); if (arg.length > 0) { ...

There are two methods using which you can consume data from AWS S3 bucket. Using sc.textFile (or sc.wholeTextFiles) API: This api can be used for HDFS and local file system as well. aws_config = {} # set your aws credential here sc._jsc.hadoopConfiguration().set("fs.s3n.awsSecretAccessK...

The arguments passed from the console can be received in the Kotlin program and it can be used as an input. You can pass N (1 2 3 and so on) numbers of arguments from the command prompt. A simple example of a command-line argument in Kotlin. fun main(args: Array<String>) { println(&qu...

Lets have the following file called library.cmd : @echo off echo -/-/- Batch Functions Library -/-/- :function1 echo argument1 - %1 goto :eof To execute only the :function1 without the code of the rest of the file you should put a label :function1 in the caller bat and use it lik...

You can also use tee command to store the output of a command in a file and redirect the same output to another command. The following command will write current crontab entries to a file crontab-backup.txt and pass the crontab entries to sed command, which will do the substituion. After the substi...

The curl source packages can be downloaded from the following page: https://curl.haxx.se/download.html However, the best way to install it is to use your package repository. For Linux distros, you can use apt-get, yum or rpm depending on the distribution you are using, so the exact command will b...

Promises handle errors differently to synchronous or callback-driven code. const p = new Promise(function (resolve, reject) { reject(new Error('Oops')); }); // anything that is `reject`ed inside a promise will be available through catch // while a promise is rejected, `.then` will not be ...

First of all you need to create AVAssetWriter NSError *error = nil; NSURL *outputURL = <#NSURL object representing the URL where you want to save the video#>; AVAssetWriter *assetWriter = [AVAssetWriter assetWriterWithURL:outputURL fileType:AVFileTypeQuickTimeMovie error:&error]; if (!...

app.store.ts import {InjectionToken} from '@angular/core'; import {createStore, Store, compose, StoreEnhancer} from 'redux'; import {AppState, default as reducer} from "../app.reducer"; export const AppStore = new InjectionToken('App.store'); const devtools: ...

I get the file path from document directory and read that file in chunks of 1024 and save (append) to NSMutableData object or you can directly write to socket. // MARK: - Get file data as chunks Methode. func getFileDataInChunks() { let doumentDirectoryPath = NSSearchPathForDirectoriesI...

library ieee; use ieee.std_logic_1164.all; use ieee.numeric_std.all; entity ROM is port( address : in std_logic_vector(3 downto 0); dout : out std_logic_vector(3 downto 0) ); end entity ROM; architecture RTL of ROM is type MEMORY_16_4 is array (0 to 15) ...

There is a limitation in Acumatica's SOAP Contract-Based API allowing to download attachments only for a top-level entity. Any attempt to use the GetFiles() method to get the attachments of a detail entity will, unfortunately, result in the error "Entity without screen binding cannot be used as...

def versionPropsFile = file('version.properties') def versionBuild /*Setting default value for versionBuild which is the last incremented value stored in the file */ if (versionPropsFile.canRead()) { def Properties versionProps = new Properties() versionProps.load(new FileInputStream(ve...

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...

Let's say that Bob owns a site that lets you post public messages. The messages are loaded by a script that looks like this: addMessage("Message 1"); addMessage("Message 2"); addMessage("Message 3"); addMessage("Message 4"); addMessage("Message 5&qu...