Tutorial by Examples

with the number 100 in cell A1, the results of these calculations =DEC2BIN(A1) =DEC2OCT(A1) =DEC2HEX(A1) =BIN2DEC(A1) =OCT2DEC(A1) =HEX2DEC(A1) is 1100100 144 64 4 64 256 note that the first 3 functions are left justified, as they are strings, and the last 3 are r...

Vim saves all your unsaved edits in a swap file, an extra file that gets deleted once the changes are committed by saving. The name of the swap file is usually the name of the file being edited preceded by a . and with a .swp suffix (you can see it with :sw). So in case your vim process terminates ...

import java.util.*; public class HashtableDemo { public static void main(String args[]) { // create and populate hash table Hashtable<Integer, String> map = new Hashtable<Integer, String>(); map.put(101,"C Language"); map.put(102, &quot...

Docs: 1.x -> 2.x upgrade guide, registering an element, shared style modules. <link rel="import" href="bower_components/polymer/polymer-element.html"> <dom-module id="element-name"> <template> <!-- Use one of these style declaration...

Docs: extending elements, inherited templates. Instead of Polymer.Element, a custom element can extend a different element: class ParentElement extends Polymer.Element { /* ... */ } class ChildElement extends ParentElement { /* ... */ } To change or add to the parent's template, over...

This has been mentioned in other hybrid topics again and again. The old-school, but easy method to run Powershell is by: echoing the Powershell script into a temporary script Execute the temporary script Optionally remove the temporary script This is a sample script. @echo off echo power...

Using the POWERSHELL command, we can execute a 1-line command directly from a batch script, without any temporary file. Here's the syntax. powershell.exe -Command <yourPowershellCommandHere> You may also want to include other flags, like -Nologo to improve the actual outcome.

Detailed instructions on getting immutable.js set up or installed.

For example: FOR SAVING: NSUserDefaults *prefs = [NSUserDefaults standardUserDefaults]; // saving an NSString [prefs setObject:txtUsername.text forKey:@"userName"]; [prefs setObject:txtPassword.text forKey:@"password"]; [prefs synchronize]; FOR RETRIEVING ...

NSString *appDomain = [[NSBundle mainBundle] bundleIdentifier]; [[NSUserDefaults standardUserDefaults] removePersistentDomainForName:appDomain];

While adding the beamerposter package, provide the required parameters. \usepackage[orientation=landscape,size=a1]{beamerposter} You can also customize the size of the poster. \usepackage[orientation=portrait,size=custom,height=110,width=80,scale=1.4]{beamerposter} The height and width dimension...

In landscape orientation \documentclass[final,t]{beamer} \mode<presentation> { \usetheme{Berlin} } \usepackage[orientation=landscape,size=a1,scale=1,debug]{beamerposter} \usepackage{lipsum} % for dummy text \title[]{\huge Awesome title} \author[]{\large \textbf{Author Name...

\documentclass[final,t]{beamer} \mode<presentation> { \usetheme{Berlin} } \usepackage[orientation=landscape,size=a1,scale=1,debug]{beamerposter} \usepackage{lipsum} % for dummy text \usepackage{graphicx} % for dummy image \usepackage{tikz} % for tikzpicture \usepackage{pgfplot...

Docs: mixins, hybrid elements. Defining a class expression mixin to share implementation between different elements: <script> MyMixin = function(superClass) { return class extends superClass { // Code that you want common to elements. // If you're going to override a...

Docs: lifecycle callbacks, ready. class MyElement extends Polymer.Element { constructor() { super(); /* ... */ } ready() { super.ready(); /* ... */ } connectedCallback() { super.connectedCallback(); /* ... */ } disconnectedCallback() { super.disconnectedCallback(); /* ... */ } attribut...

Docs: data binding, attribute binding, binding to array items, computed bindings. Don't forget: Polymer camel-cases properties, so if in JavaScript you use myProperty, in HTML you would use my-property. One way binding: when myProperty changes, theirProperty gets updated: <some-element t...

Listing services systemctl To list running services systemctl --failed To list failed services Managing Targets (Similar to Runlevels in SysV) systemctl get-default To find the default target for your system systemctl set-default <target-name> To set the default target for your syst...

Docs: observers, multi-property observers, observing array mutations, adding observers dynamically. Adding an observer in the properties block lets you observe changes in the value of a property: static get properties() { return { myProperty: { observer: '_myPropertyChanged' ...

\documentclass[12pt]{article} \usepackage{titleps} \usepackage{fancyhdr} \usepackage{graphicx} \usepackage{lipsum} % for dummy text \pagestyle{myheadings} \pagestyle{fancy} \fancyhf{} \setlength{\headheight}{30pt} \renewcommand{\headrulewidth}{4pt} \renewcommand{\footrulewidth}{2pt...

\documentclass[12pt]{article} \usepackage{lastpage} \usepackage{fancyhdr} \usepackage{graphicx} \usepackage{lipsum} % for dummy text \pagestyle{myheadings} \pagestyle{fancy} \fancyhf{} \setlength{\headheight}{30pt} \renewcommand{\headrulewidth}{1pt} \renewcommand{\footrulewidth}{2p...