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The gross majority of the time a SyntaxError which points to an uninteresting line means there is an issue on the line before it (in this example, it's a missing parenthesis): def my_print(): x = (1 + 1 print(x) Returns File "<input>", line 3 print(x) ^...

To complete this objective following tasks are required. Foreach Loop Container: To iterate over a user configured directory for files. Expression Task: To update a variable if file exists. Steps First goto Solution Explorer double click on Project.params and create a parameter FolderPat...

Creating Express Web Server Express server came handy and it deeps through many user and community. It is getting popular. Lets create a Express Server. For Package Management and Flexibility for Dependency We will use NPM(Node Package Manager). Go to the Project directory and create package....

def main(): if len(sys.argv) != 4 or '--help' in sys.argv[1:]: print('usage: my_program <arg1> <arg2> <arg3>', file=sys.stderr) sys.exit(1) # use an exit code to signal the program was unsuccessful process_data()

$man <command> Displays the on-line manual pages for the command $clear Clears the terminal screen $pwd Returns the working directory name $echo <string> Writes the string to the standard output $printf <string> Format and print the string Example: print $PATH ...

To show the value of making generalized functions like those in the previous example (make_title, make_axes, make_buttons, etc), consider this box and whisker chart: https://bl.ocks.org/SumNeuron/262e37e2f932cf4b693f241c52a410ff While the code for making the boxes and whiskers is more intensive tha...

dplyr uses Non-Standard Evaluation(NSE), which is why we normally can use the variable names without quotes. However, sometimes during the data pipeline, we need to get our variable names from other sources such as a Shiny selection box. In case of functions like select, we can just use select_ to u...

XSS means cross-site scripting. CodeIgniter comes with XSS filtering security. This filter will prevent any malicious JavaScript code or any other code that attempts to hijack cookie and do malicious activities. To filter data through the XSS filter, use the xss_clean() method as shown below. $data...

Don't rely on any user input. user input everything like <script> tag or any javascript alert(); so we have to prevent this all data will no run in our browser. so we have to use xss prevention method to restrict our secure data to kept in hacker hand and also it's developer's responsibility t...

Creating files Language To create a language file, you must end it with _lang.php. For example, you want to create a language file for French language, then you must save it with french_lang.php. Within this file you can store all your language texts in key, value combination in $lang array as show...

One of the central difficulties of writing an Android application using Dagger is that many Android framework classes are instantiated by the OS itself, like Activity and Fragment, but Dagger works best if it can create all the injected objects. Instead, you have to perform members injection in a li...

By setting Multi-Release: true in the MANIFEST.MF file, the Jar file becomes a multi-release Jar and the Java runtime (as long as it supports the MRJAR format) will pick the appropriate versions of classes depending on the current major version. The structure of such a Jar is the following: jar ro...

First step : PCL part public class RoundedBoxView : BoxView { public static readonly BindableProperty CornerRadiusProperty = BindableProperty.Create("CornerRadius", typeof(double), typeof(RoundedEntry), default(double)); public double CornerRadius { get...

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We can select a text within an html or xml tag by using visual selection v and text object it . Go to normal mode py pressing ESC Type vit from anywhere within the html or xml section This will visually select all text inside the tag All other text objects can also be used to operate on th...

math.js 'use strict'; const Promise = require('bluebird'); module.exports = { // example of a callback-only method callbackSum: function(a, b, callback) { if (typeof a !== 'number') return callback(new Error('"a" must be a number')); if (typeof b !== 'number...

Getting started with Ext JS 6. Prerequisite steps: Download Sencha Cmd 6 and install it with sencha command set in environment path variables. Download trail version of Sencha SDK (ext-6.2.1.zip) and unzip it.(on location D:\ext-6.2.1) System is ready to create Extjs 6 application. Create ...

section .data msg_eq db 'Equal', 10 len_eq equ $ - msg_eq msg_le db 'Less than', 10 len_le equ $ - msg_le msg_gr db 'Greater than', 10 len_gr equ $ - msg_gr ; Length of msg_gr section .text global _main ; Make the _main label global for linker _main: cmp...

section .data msg db 'Hello, world!', 0xA len equ $ - msg section .text global _main _main: mov rax, 0 ; This will be the current number mov rcx, 10 ; This will be the last number _loop: cmp rax, rcx jl .loopbody ; Jump to .loopbody if rax < rcx jge _e...

Add any JSR 303 implementation to your classpath. Popular one used is Hibernate validator from Hibernate. <dependency> <groupId>org.hibernate</groupId> <artifactId>hibernate-validator</artifactId> <version>4.2.0.Final</version> </dependen...