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Save data to and from file import pickle def save(filename,object): file=open(filename,'wb') pickle.dump(object,file) file.close() def load(filename): file=open(filename,'rb') object=pickle.load(file) file.close() return object >>>list_object=[1,...

Example Controller action use Symfony\Component\HttpFoundation\Request; public function exampleAction(Request $request) { /* * First you need object ready for validation. * You can create new object or load it from database. * You need to add some constraints for this obj...

Installing Gulp and His Tasks $ npm install gulp --save-dev $ npm install gulp-sass --save-dev $ npm install gulp-uglify --save-dev $ npm install gulp-imagemin --save-dev Determining Folder Structure In this structure, we will use the app folder for development purposes, while the dist folde...

Liferay exposes many default and custom services available to other systems via JSON. To explore services on a particular liferay instance, use a given URL - A local instance in this case: http://localhost:8080/api/jsonws/ Select the required service, consume the service with the given syntax ...

Despite you can write a binary number in C++14 like: int number =0b0001'0101; // ==21 here comes a famous example with a self-made implementation for binary numbers: Note: The whole template expanding program is running at compile time. template< char FIRST, char... REST > struct binary {...

This is a step by step guide to set up the automated build process using Jenkins CI for your Android projects. The following steps assume that you have new hardware with just any flavor of Linux installed. It is also taken into account that you might have a remote machine. PART I: Initial setup on ...

std::vector<int> primes = {2, 3, 5, 7, 11, 13}; for(auto prime : primes) { std::cout << prime << std::endl; }

Javascript timestamps are based on the venerable UNIX time_t data type, and show the number of milliseconds since 1970-01-01 00:00:00 UTC. This expression gets the current time as a Javascript timestamp integer. (It does so correctly regardless of the current time_zone setting.) ROUND(UNIX_TIMEST...

You might receive from your peer private key in PPK format, which seems it does not work in OpenSSH (command-line ssh). The client will be asking for the passphrase, because of OpenSSH bug. $ ssh -i mykey.ppk example.com Enter passphrase for mykey.ppk: You need to convert the key to OpenSSH for...

You can use conditional operators in WordPress to enqueue scripts on specific pages of your Website. function load_script_for_single_post(){ if(is_single()){ wp_enqueue_script( 'some', get_template_directory_uri().'/js/some.js', array...

Custom formats, also known as user defined formats, can be created and used like any other default formats. /*Create new character format for state variables*/ PROC FORMAT; VALUE $statef 'CA' = 'California' 'MA' = 'Massachusetts' 'NY' = 'New York'; ...

var express = require('express'); var app = express(); var router = express.Router(); app.route('/user') .get(function (req, res) { res.send('Get a random user') }) .post(function (req, res) { res.send('Add a user') }) .put(function (req, res) { res.send...

1) Setup Node.JS Start the terminal and run the following commands to install nodeJS: curl -sL https://deb.nodesource.com/setup_5.x | sudo -E bash - sudo apt-get install nodejs If node command is unavailable sudo ln -s /usr/bin/nodejs /usr/bin/node Alternatives NodeJS instalations: curl...

Before Java 8, there was DateFormat and SimpleDateFormat classes in the package java.text and this legacy code will be continued to be used for sometime. But, Java 8 offers a modern approach to handling Formatting and Parsing. In formatting and parsing first you pass a String object to DateTimeFor...

The procedure to perform a RMQ is already shown in introduction. The pseudo-code for checking Range Minimum Query will be: Procedure RangeMinimumQuery(SegmentTree, qLow, qHigh, low, high, position): if qLow <= low and qHigh >= high //Total Overlap Return SegmentTree[position] el...

Go to Explorer, Open iris.arff data, then go to CPython Scripting, Copy and Paste the following lines of codes into Python Scripts: hi = "Hello, CPython of Weka!" hello = hi.upper() iris = py_data info = iris.describe() To see output, go to Python Variables, select hi, for exa...

Up navigation is done in android by adding android:parentActivityName="" in Manifest.xml to the activity tag. Basically with this tag you tell the system about the parent activity of a activity. How is it done? <uses-permission android:name="android.permission.INTERNET" ...

Implementation of the Caesar cipher. This implementation performs the shift operation only on upper and lower case alphabets and retains the other characters (such as space as-is). The Caesar cipher is not secure as per current standards. Below example is for illustrative purposes only ! Refer...

In normal mode: gg go to top = then G

Full list of options: ls -a list all files including hidden file starting with '.' ls --color colored list [=always/never/auto] ls -d list directories - with ' */' ls -F add one char of */=>@| to enteries ls -i list file's inode index number ls -l list with long form...