Programs & Examples On #Cons

is

result.className = 'red'; 
def change   rename_table :old_table_name, :new_table_name end 
rails g migration ChangeMessagesToMessage 
rake db:migrate 
$.getJSON("https://prod.api.pvp.net/api/lol/eune/v1.1/summoner/by-name/"+input+"?api_key=API_KEY_HERE"  , function(name){   obj = name;   // sID is only now available!   sID = obj.id;   console.log(sID); }); 
$.getJSON("https://prod.api.pvp.net/api/lol/eune/v1.1/summoner/by-name/"+input+"?api_key=API_KEY_HERE"  , function(name){   // We don't need sID or obj here - name.id is sufficient   console.log(name.id);    doSecondRequest(name.id); });  /// TODO Choose a better name function doSecondRequest(sID) {   $.getJSON("https://prod.api.pvp.net/api/lol/eune/v1.2/stats/by-summoner/" + sID + "/summary?api_key=API_KEY_HERE", function(stats){         console.log(stats);   }); } 
class Something {     int[] array; //global array, replace type of course     void function1() {        array = new int[10]; //let say you declare it here that will be 10 integers in size     }     void function2() {        array[0] = 12; //assing value at index 0 to 12.     } } 
someObject.equals(someOtherObj); 
public boolean equals(Object obj) {   if (obj == this) { //is someObject equal to obj, which in this case is someOtherObj?     return true;//If so, these are the same objects, and return true   } 
Object a = new Object(); Object b = a; //sets the reference to b to point to the same place as a Object c = a; //same with c b.equals(c);//true, because everything is pointing to the same place 
FancyNumber a = new FancyNumber(2);//Internally, I set a field to 2 FancyNumber b = new FancyNumber(2);//Internally, I set a field to 2 a.equals(b);//true, because we define two FancyNumber objects to be equal if their internal field is set to the same thing. 
class Place < ActiveRecord::Base   before_save do |place|     place.city = place.city.downcase.titleize     place.country = place.country.downcase.titleize   end end 
<%= f.text_field :city, :value => (f.object.city ? f.object.city.titlecase : '') %>   
loop {   begin     Bar.new   rescue SystemExit     p $!  #: #<SystemExit: exit>   end } 
for (var i = myArray.length - 1; i >= 0; i--) {    console.log(eval(myArray[i])); }; 
var result = {}; for (var i = myArray.length - 1; i >= 0; i--) {     result[myArray[i]] = eval(myArray[i]);   }; 
window['myVarName'] = 'namingCollisionsAreFun';  
JApplet app = new JApplet(); add(app); app.init(); app.start(); 
f.getContentPane().add(f, button2); 
import java.awt.BorderLayout; import java.awt.Dimension; import java.awt.EventQueue; import java.awt.event.ActionEvent; import javax.swing.ImageIcon; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JPanel; import javax.swing.JScrollPane; import javax.swing.JTable; import javax.swing.UIManager; import javax.swing.UnsupportedLookAndFeelException;  public class GalaxyTable2 extends JPanel {      private static final int PREF_W = 700;     private static final int PREF_H = 600;      String[] columnNames                     = {"Phone Name", "Brief Description", "Picture", "price",                         "Buy"};  // Create image icons     ImageIcon Image1 = new ImageIcon(                     getClass().getResource("s1.png"));     ImageIcon Image2 = new ImageIcon(                     getClass().getResource("s2.png"));     ImageIcon Image3 = new ImageIcon(                     getClass().getResource("s3.png"));     ImageIcon Image4 = new ImageIcon(                     getClass().getResource("s4.png"));     ImageIcon Image5 = new ImageIcon(                     getClass().getResource("note.png"));     ImageIcon Image6 = new ImageIcon(                     getClass().getResource("note2.png"));     ImageIcon Image7 = new ImageIcon(                     getClass().getResource("note3.png"));      Object[][] rowData = {         {"Galaxy S", "3G Support,CPU 1GHz",             Image1, 120, false},         {"Galaxy S II", "3G Support,CPU 1.2GHz",             Image2, 170, false},         {"Galaxy S III", "3G Support,CPU 1.4GHz",             Image3, 205, false},         {"Galaxy S4", "4G Support,CPU 1.6GHz",             Image4, 230, false},         {"Galaxy Note", "4G Support,CPU 1.4GHz",             Image5, 190, false},         {"Galaxy Note2 II", "4G Support,CPU 1.6GHz",             Image6, 190, false},         {"Galaxy Note 3", "4G Support,CPU 2.3GHz",             Image7, 260, false},};      MyTable ss = new MyTable(                     rowData, columnNames);      // Create a table     JTable jTable1 = new JTable(ss);      public GalaxyTable2() {         jTable1.setRowHeight(70);          add(new JScrollPane(jTable1),                         BorderLayout.CENTER);          JPanel buttons = new JPanel();          JButton button = new JButton("Home");         buttons.add(button);         JButton button2 = new JButton("Confirm");         buttons.add(button2);          add(buttons, BorderLayout.SOUTH);     }      @Override      public Dimension getPreferredSize() {         return new Dimension(PREF_W, PREF_H);     }      public void actionPerformed(ActionEvent e) {         new AMainFrame7().setVisible(true);     }      public static void main(String[] args) {          EventQueue.invokeLater(new Runnable() {             @Override             public void run() {                 try {                     UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());                 } catch (ClassNotFoundException | InstantiationException | IllegalAccessException | UnsupportedLookAndFeelException ex) {                     ex.printStackTrace();                 }                  JFrame frame = new JFrame("Testing");                 frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);                 frame.add(new GalaxyTable2());                 frame.pack();                 frame.setLocationRelativeTo(null);                 frame.setVisible(true);             }         });     } } 
<script
  src="https://code.jquery.com/jquery-3.4.1.min.js"
  integrity="sha256-CSXorXvZcTkaix6Yvo6HppcZGetbYMGWSFlBw8HfCJo="
  crossorigin="anonymous"></script>

net :: ERR_HTTP2_PROTOCOL_ERROR 200

header ('Content-Length:'. Filesize($cache_file));

SetEnvIfNoCase Request_URI ^ / thumb.php no-gzip -vary

   "entities": [
      "src/db/entity/**/*.ts", // Pay attention to "src" and "ts" (this is wrong)
   ],

   "entities": [
      "dist/db/entity/**/*.js", // Pay attention to "dist" and "js" (this is the correct way)
   ],

   const mongo = require('mongodb').MongoClient;

   mongo.connect(process.env.DATABASE,{useUnifiedTopology: true, 
   useNewUrlParser: true}, (err, db) => {
      if(err) {
    console.log('Database error: ' + err);
   } else {
    console.log('Successful database connection');
      auth(app, db)
      routes(app, db)

   app.listen(process.env.PORT || 3000, () => {
      console.log("Listening on port " + process.env.PORT);
    });  

function ColabReconnect() {
    var dialog = document.querySelector("colab-dialog.yes-no-dialog");
    var dialogTitle = dialog && dialog.querySelector("div.content-area>h2");
    if (dialogTitle && dialogTitle.innerText == "Runtime disconnected") {
        dialog.querySelector("paper-button#ok").click();
        console.log("Reconnecting...");
    } else {
        console.log("ColabReconnect is in service.");
    }
}
timerId = setInterval(ColabReconnect, 60000);

interface IObjectKeys {
  [key: string]: string | number;
}

interface IDevice extends IObjectKeys {
  id: number;
  room_id: number;
  name: string;
  type: string;
  description: string;
}

interface IDevice extends IObjectKeys {
  id: number;
  room_id?: number;
  name?: string;
  type?: string;
  description?: string;
}

interface IObjectKeys {
  [key: string]: string | number | undefined;
}

dotnet tool install --global dotnet-ef

export PATH=$PATH:/c/Users/username/.dotnet/tools

@ViewChild('nameInput', {static: false}) component

const [cep, setCep] = useState('');
const mounted = useRef(false);

useEffect(() => {
    if (mounted.current) {
        fetchAPI();
      } else {
        mounted.current = true;
      }
}, [cep]);

const setParams = (_cep) => {
    if (cep !== _cep || cep === '') {
        setCep(_cep);
    }
};

import { ApiGateway } from './api-gateway.class';
import { AppSync } from './app-sync.class';
import { Cognito } from './cognito.class';

export type stackInstances = typeof ApiGateway | typeof  AppSync | typeof Cognito

export const classes = {
  ApiGateway,
  AppSync,
  Cognito
} as {
  [key: string]: stackInstances
};

export function getClass(name: string) {
  return classes[name];
}

#if compiler(>=5.1)
        if #available(iOS 13.0, *) {
            self.window?.overrideUserInterfaceStyle = .light
        }
        #endif

protected void configure(HttpSecurity http) throws Exception {
        http
                .csrf().disable()
                .authorizeRequests() // authorize
                .anyRequest().authenticated() // all requests are authenticated
                .and()
                .httpBasic();

        http.cors();
}

import React, { useEffect, useState } from 'react';
import axios from 'axios';
import { Redirect } from 'react-router-dom';

import { Container, makeStyles } from '@material-ui/core';

import LogoButtonCard from '../molecules/Cards/LogoButtonCard';

const useStyles = makeStyles(theme => ({
  root: {
    display: 'flex',
    alignItems: 'center',
    justifyContent: 'center',
    margin: theme.spacing(1)
  },
  highlight: {
    backgroundColor: 'red',
  }
}));

// Highlight is a bool
const Welcome = ({highlight}) => { 
  const [userName, setUserName] = useState('');
  const [isAuthenticated, setIsAuthenticated] = useState(true);
  const classes = useStyles();

  useEffect(() => {
    axios.get('example.com/api/username/12')
         .then(res => setUserName(res.userName));
  }, []);

  if (!isAuthenticated()) {
    return <Redirect to="/" />;
  }
  return (
    <Container maxWidth={false} className={highlight ? classes.highlight : classes.root}>
      <LogoButtonCard
        buttonText="Enter"
        headerText={isAuthenticated && `Welcome, ${userName}`}
        buttonAction={login}
      />
   </Container>
   );
  }
}

export default Welcome;

<packaging>war</packaging>

export default app

export default App

useEffect(() => {
  const fetchBusinesses = () => {
    return fetch("theUrl"...
      // ...your fetch implementation
    );
  }

  fetchBusinesses();
}, []);

editqueForm =  this.fb.group({
   user: [this.question.user],
   questioning: [this.question.questioning, Validators.required],
   questionType: [this.question.questionType, Validators.required],
   options: new FormArray([])
})

formgroup.setValue({name: ‘abc’, age: ‘25’});

formgroup.patchValue({name:’abc’});

export default function Component(props) {

    function clickEvent (event, variable){
        console.log(variable);
    }

    return (
        <div>
            <IconButton
                key="close"
                aria-label="Close"
                color="inherit"
                onClick={e => clickEvent(e, 10)}
            >
        </div>
    )
}

useEffect( () => console.log("mount"), [] );
useEffect( () => console.log("will update data1"), [ data1 ] );
useEffect( () => console.log("will update any") );
useEffect( () => () => console.log("will update data1 or unmount"), [ data1 ] );
useEffect( () => () => console.log("unmount"), [] );

function Parent() {
  const [Name, setName] = useState("");

  return <div> {Name} :
    <Child setName={setName} ></Child>
  </div>
}

function Child(props) {
  const [Name, setName] = useState("");

  function handleChange(ele) {
    setName(ele.target.value);
    props.setName(ele.target.value);
  }

  return (<div>
    <input onChange={handleChange} value={Name}></input>
  </div>);
} 

function Parent() {
  const [Name, setName] = useState("");

  return <div> {Name} :
    <Child setName={setName} Name={Name}></Child>
  </div>
}

function Child(props) {    
  function handleChange(ele) {
    props.setName(ele.target.value);
  }

  return (<div>
    <input onChange={handleChange} value={props.Name}></input>
  </div>);
} 

  const naciStatus = dataToSend.naci?.statusNACI;
  if (typeof naciStatus != "undefined") {
    switch (naciStatus) {
      case "AP":
        dataToSend.naci.certificateStatus = "FALSE";
        break;
      case "AS":
      case "WR":
        dataToSend.naci.certificateStatus = "TRUE";
        break;
      default:
        dataToSend.naci.certificateStatus = "";
    }
  }

  const naciStatus = dataToSend.naci?.statusNACI;
  if (typeof naciStatus != "undefined") {
    switch (naciStatus) {
      case "AP":
        dataToSend.naci!.certificateStatus = "FALSE";
        break;
      case "AS":
      case "WR":
        dataToSend.naci!.certificateStatus = "TRUE";
        break;
      default:
        dataToSend.naci!.certificateStatus = "";
    }
  }

CountdownTimer(Duration(seconds: 5), Duration(seconds: 1)).listen((data){
})..onData((data){
  print('data $data');
})..onDone((){
  print('onDone.........');
});

php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');"
php composer-setup.php

  setExampleState({...exampleState,  masterField2: {
        fieldOne: "c",
        fieldTwo: {
           fieldTwoOne: "d",
           fieldTwoTwo: "e"
           }
        },
   }})

React.useEffect(() => {
    console.log("effect");
    (async () => {
        try {
            let result = await fetch("/query/countries");
            const res = await result.json();
            let result1 = await fetch("/query/projects");
            const res1 = await result1.json();
            let result11 = await fetch("/query/regions");
            const res11 = await result11.json();
            setData({
                countries: res,
                projects: res1,
                regions: res11
            });
        } catch {}
    })(data)
}, [setData])
# or use this
useEffect(() => {
    (async () => {
        try {
            await Promise.all([
                fetch("/query/countries").then((response) => response.json()),
                fetch("/query/projects").then((response) => response.json()),
                fetch("/query/regions").then((response) => response.json())
            ]).then(([country, project, region]) => {
                // console.log(country, project, region);
                setData({
                    countries: country,
                    projects: project,
                    regions: region
                });
            })
        } catch {
            console.log("data fetch error")
        }
    })()
}, [setData]);

{!this.props.user.token &&
        <div>
            <Route path="/register/:type" exact component={MyComp} />                                             
        </div>
}

import React, { useState, useEffect } from "react";
import ReactDOM from "react-dom";

const StateSelector = () => {
  const initialValue = [
    { id: 0, value: " --- Select a State ---" }];

  const allowedState = [
    { id: 1, value: "Alabama" },
    { id: 2, value: "Georgia" },
    { id: 3, value: "Tennessee" }
  ];

  const [stateOptions, setStateValues] = useState(initialValue);
  // initialValue.push(...allowedState);

  console.log(initialValue.length);
  // ****** BEGINNING OF CHANGE ******
  useEffect(() => {
    // Should not ever set state during rendering, so do this in useEffect instead.
    setStateValues(allowedState);
  }, []);
  // ****** END OF CHANGE ******

  return (<div>
    <label>Select a State:</label>
    <select>
      {stateOptions.map((localState, index) => (
        <option key={localState.id}>{localState.value}</option>
      ))}
    </select>
  </div>);
};

const rootElement = document.getElementById("root");
ReactDOM.render(<StateSelector />, rootElement);

interface Props {
  children: JSX.Element[] | JSX.Element
}

"main": "server.js",
"scripts": {
    "start":"nodemon src/server.js",
    "docker:build": "docker build -f ./docker/Dockerfile . "
  },

axios.post(
        url,
        {},
        {
          params: {
            key,
            checksum
          }
        }
      )
      .then(response => {
        return success(response);
      })
      .catch(error => {
        return fail(error);
      });

React.useEffect(() => {
    async function fetchData() {
    }
    fetchData();
}, []);

React.useEffect(() => {
    (async function fetchData() {
    })()
}, []);

React.useEffect(() => {
    void async function fetchData() {
    }();
}, []);

function App() {
    const [ data, setData ] = React.useState([]);

    React.useEffect(() => {
        const abortController = new AbortController();
        void async function fetchData() {
            try {
                const url = 'https://jsonplaceholder.typicode.com/todos/1';
                const response = await fetch(url, { signal: abortController.signal });
                setData(await response.json());
            } catch (error) {
                console.log('error', error);
            }
        }();
        return () => {
            abortController.abort(); // cancel pending fetch request on component unmount
        };
    }, []);

    return <pre>{JSON.stringify(data, null, 2)}</pre>;
}

header := w.Header()
header.Add("Access-Control-Allow-Origin", "*")
header.Add("Access-Control-Allow-Methods", "DELETE, POST, GET, OPTIONS")
header.Add("Access-Control-Allow-Headers", "Content-Type, Access-Control-Allow-Headers, Authorization, X-Requested-With")

if r.Method == "OPTIONS" {
    w.WriteHeader(http.StatusOK)
    return
}

const [tableKey, setTableKey] = useState(1);
...

useEffect(() => {
    ...
    setTableKey(tableKey + 1);
}, [tableData]);

...
<DataTable
    key={tableKey}
    data={tableData}/>

const [dataAction, setDataAction] = useState({name: '', description: ''});_x000D_
_x000D_
    const _handleChangeName = (data) => {_x000D_
        if(data.name)_x000D_
            setDataAction( prevState  => ({ ...prevState,   name : data.name }));_x000D_
        if(data.description)_x000D_
            setDataAction( prevState  => ({ ...prevState,   description : data.description }));_x000D_
    };_x000D_
    _x000D_
    ....return (_x000D_
    _x000D_
          <input onChange={(event) => _handleChangeName({name: event.target.value})}/>_x000D_
          <input onChange={(event) => _handleChangeName({description: event.target.value})}/>_x000D_
    )
return this.props.todos.map((todo) => {
            <h3> {todo.author} </h3>;
        });

//Change Curly Brace To Paranthesis   change {} to => ()
return this.props.todos.map((todo) => (
            <h3> {todo.author} </h3>;
        ));

  <policy domain="coder" rights="read | write" pattern="PDF" />

sudo rm -rf /Library/Python/3.7
mkdir 3.7
sudo mv 3.7 /Library/Python
ll /Library/Python/
pip3 install numpy

classpath 'com.android.tools.build:gradle:3.2.0'

const enhancers: Array<any> = [];

if (typeof devToolsExtension === 'function') {
  enhancers.push(devToolsExtension())
}

<script src="https://maps.googleapis.com/maps/api/js?key=&callback=initMap" async defer></script>

yarn global add yarn

curl --compressed -o- -L https://yarnpkg.com/install.sh | bash

async getMarkers() {
  const markers = [];
  await firebase.firestore().collection('events').get()
    .then(querySnapshot => {
      querySnapshot.docs.forEach(doc => {
      markers.push(doc.data());
    });
  });
  return markers;
}

android.enableJetifier=true
android.useAndroidX=true

 <property name="driver" value="com.mysql.jdbc.Driver"/>

<property name="driver" value="com.mysql.cj.jdbc.Driver"/>

python -m pip install --upgrade pip --user

tools:replace="android:appComponentFactory"
android:appComponentFactory="android.support.v4.app.CoreComponentFactory"

class ScrollView extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return new LayoutBuilder(
      builder:
          (BuildContext context, BoxConstraints viewportConstraints) {
        return SingleChildScrollView(
          scrollDirection: Axis.vertical,
          child: ConstrainedBox(
            constraints: BoxConstraints(minHeight: viewportConstraints.maxHeight),
            child: Column(
                crossAxisAlignment: CrossAxisAlignment.start,
                children: [
                  Text("Hello world!!"),
                  //You can add another children
            ]),
          ),
        );
      },
    );
  }
}

 localStorage.setItem('dataSource', this.dataSource.length);

console.log(localStorage.getItem('dataSource'));

axios({
  method: 'post',     //put
  url: url,
  headers: {'Authorization': 'Bearer'+token}, 
  data: {
     firstName: 'Keshav', // This is the body part
     lastName: 'Gera'
  }
});

const jwt = require('jsonwebtoken')

router.use((req, res, next) => {
  const token = yourJwtService.getToken(req) // Get your token from the request
  jwt.verify(token, req.app.get('your-secret'), function(err, decoded) {
    if (err) throw new Error(err) // Manage different errors here (Expired, untrusted...)
    req.auth = decoded // If no error, token info is returned in 'decoded'
    next()
  });
})

const jwt = require('jsonwebtoken')
const jwtVerifyAsync = util.promisify(jwt.verify);

router.use(async (req, res, next) => {
  const token = yourJwtService.getToken(req) // Get your token from the request
  try {
    req.auth = await jwtVerifyAsync(token, req.app.get('your-secret')) // If no error, token info is returned
  } catch (err) {
    throw new Error(err) // Manage different errors here (Expired, untrusted...)
  }
  next()
});

buildscript {
    repositories {
        jcenter()
        google()
        maven {
           url "https://maven.google.com"
        }
    }

    dependencies {
        classpath 'com.android.tools.build:gradle:3.1.3'
    }
}

allprojects {
    repositories {
        google()
        jcenter()
        maven {
           url "https://maven.google.com"
        }
    }
}

distributionBase=GRADLE_USER_HOME
distributionPath=wrapper/dists
zipStoreBase=GRADLE_USER_HOME
zipStorePath=wrapper/dists
distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip

 products.sort((a,b)=>a.title.rendered > b.title.rendered)

var data = { "results":[  _x000D_
  [  _x000D_
     {  _x000D_
        "b":"0.110547334",_x000D_
        "cost":"0.000000",_x000D_
        "w":"1.998889"_x000D_
     }_x000D_
  ],_x000D_
  [  _x000D_
     {  _x000D_
        "x":0,_x000D_
        "y":0_x000D_
     },_x000D_
     {  _x000D_
        "x":1,_x000D_
        "y":2_x000D_
     },_x000D_
     {  _x000D_
        "x":2,_x000D_
        "y":4_x000D_
     },_x000D_
     {  _x000D_
        "x":3,_x000D_
        "y":6_x000D_
     },_x000D_
     {  _x000D_
        "x":4,_x000D_
        "y":8_x000D_
     },_x000D_
     {  _x000D_
        "x":5,_x000D_
        "y":10_x000D_
     },_x000D_
     {  _x000D_
        "x":6,_x000D_
        "y":12_x000D_
     },_x000D_
     {  _x000D_
        "x":7,_x000D_
        "y":14_x000D_
     },_x000D_
     {  _x000D_
        "x":8,_x000D_
        "y":16_x000D_
     },_x000D_
     {  _x000D_
        "x":9,_x000D_
        "y":18_x000D_
     },_x000D_
     {  _x000D_
        "x":10,_x000D_
        "y":20_x000D_
     },_x000D_
     {  _x000D_
        "x":11,_x000D_
        "y":22_x000D_
     },_x000D_
     {  _x000D_
        "x":12,_x000D_
        "y":24_x000D_
     },_x000D_
     {  _x000D_
        "x":13,_x000D_
        "y":26_x000D_
     },_x000D_
     {  _x000D_
        "x":14,_x000D_
        "y":28_x000D_
     },_x000D_
     {  _x000D_
        "x":15,_x000D_
        "y":30_x000D_
     },_x000D_
     {  _x000D_
        "x":16,_x000D_
        "y":32_x000D_
     },_x000D_
     {  _x000D_
        "x":17,_x000D_
        "y":34_x000D_
     },_x000D_
     {  _x000D_
        "x":18,_x000D_
        "y":36_x000D_
     },_x000D_
     {  _x000D_
        "x":19,_x000D_
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  ]]};_x000D_
_x000D_
var scatterSeries = []; _x000D_
_x000D_
var ch = '{"name":"graphe1","items":'+JSON.stringify(data.results[1])+ '}';_x000D_
               console.info(ch);_x000D_
               _x000D_
               scatterSeries.push(JSON.parse(ch));_x000D_
console.info(scatterSeries);
{
  "name": "gulp-test",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "author": "",
  "license": "ISC",
  "devDependencies": {
    "browser-sync": "^2.26.3",
    "gulp": "^4.0.0",
    "gulp-sass": "^4.0.2"
  },
  "dependencies": {
    "bootstrap": "^4.3.1",
    "jquery": "^3.3.1",
    "popper.js": "^1.14.7"
  }
}

var gulp = require("gulp");
var sass = require('gulp-sass');
var browserSync = require('browser-sync').create();

// Specific Task
function js() {
    return gulp
    .src(['node_modules/bootstrap/dist/js/bootstrap.min.js', 'node_modules/jquery/dist/jquery.min.js', 'node_modules/popper.js/dist/umd/popper.min.js'])
    .pipe(gulp.dest('src/js'))
    .pipe(browserSync.stream());
}
gulp.task(js);

// Specific Task
function gulpSass() {
    return gulp
    .src(['src/scss/*.scss'])
    .pipe(sass())
    .pipe(gulp.dest('src/css'))
    .pipe(browserSync.stream());
}
gulp.task(gulpSass);

// Run multiple tasks
gulp.task('start', gulp.series(js, gulpSass));

<select name="LeaveType" onchange="onChange(this.value)" class="form-control">
 <option value="1">Annual Leave/ Off-Day</option>
 <option value="2">On Demand Leave</option>
</select>

function onChange(value) {
  console.log(value);
}

<select name="LeaveType" @change="onChange($event)" class="form-control">
 <option value="1">Annual Leave/ Off-Day</option>
 <option value="2">On Demand Leave</option>
</select>

new Vue({
  ...
  ...
  methods:{
    onChange:function(event){
       console.log(event.target.value);
    }
  }
})

<select v-model="selectedValue" name="LeaveType" onchange="onChange(this.value)" class="form-control">
 <option value="1">Annual Leave/ Off-Day</option>
 <option value="2">On Demand Leave</option>
</select>

new Vue({
    data:{
        selectedValue : 1, // First option will be selected by default
    },
    ...
    ...
    methods:{
        onChange:function(event){
            console.log(this.selectedValue);
        }
    }
})

uses-material-design: true,

$('select').selectpicker();
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.1.1/css/bootstrap.min.css">_x000D_
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/bootstrap-select/1.13.1/css/bootstrap-select.css" />_x000D_
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>_x000D_
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.1.1/js/bootstrap.bundle.min.js"></script>_x000D_
<script src="https://cdnjs.cloudflare.com/ajax/libs/bootstrap-select/1.13.1/js/bootstrap-select.min.js"></script>_x000D_
_x000D_
_x000D_
_x000D_
<select class="selectpicker" multiple data-live-search="true">_x000D_
  <option>Mustard</option>_x000D_
  <option>Ketchup</option>_x000D_
  <option>Relish</option>_x000D_
</select>
//{
    //  "matches": [ "<all_urls>" ],
    //  "css": [ "myStyles.css" ],
    //  "js": [ "test.js" ]
    //}

"https://*/"

Get-Item Env:PATH

PS> Get-PSDrive

Get-ChildItem C:\Windows
Get-Item C:
Get-Item Env:
Get-Item HKLM:
Get-ChildItem HKLM:SYSTEM

Stack(
    children: <Widget>[
      Positioned(
        top: 100,
        left: 0,
        right: 0,
        child: Text("Search",
              style: TextStyle(
                  color: Color(0xff757575),
                  fontWeight: FontWeight.w700,
                  fontFamily: "Roboto",
                  fontStyle: FontStyle.normal,
                  fontSize: 56.0),
              textAlign: TextAlign.center),
      ),
]
)

  yourFunc(input: any):Observable<string> {
var requestHeader = { headers: new HttpHeaders({ 'Content-Type': 'text/plain', 'No-Auth': 'False' })};
const headers = new HttpHeaders().set('Content-Type', 'text/plain; charset=utf-8');
return this.http.post<string>(this.yourBaseApi+ '/do-api', input, { headers, responseType: 'text' as 'json'  });

dependencies {
    api 'com.android.support:design:28.0.0-alpha3'

    implementation fileTree(dir: 'libs', include: ['*.jar'])
    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"

    testImplementation 'junit:junit:4.12'

    androidTestImplementation 'androidx.test:runner:1.1.0-alpha2'
    androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.0-alpha2'
}

 1. drop USER 'user_name'@'localhost';
    flush privileges;
    CREATE USER 'user_name'@'localhost' IDENTIFIED BY 'user_name';
    GRANT ALL PRIVILEGES ON * . * TO 'user_name'@'localhost';
    ALTER USER 'user_name'@'localhost' IDENTIFIED WITH mysql_native_password BY 
    'user_name';

 2. drop USER 'user_name'@'localhost';
    flush privileges;
    CREATE USER 'user_name'@'localhost' IDENTIFIED WITH mysql_native_password BY 'user_name';
GRANT ALL PRIVILEGES ON * . * TO 'user_name'@'localhost'

 3. If the user is already created, the use the following command:

    ALTER USER 'user_name'@'localhost' IDENTIFIED WITH mysql_native_password BY 
        'user_name';

@angular-devkit/architect          0.10.7
@angular-devkit/build-angular      0.10.7
@angular-devkit/build-ng-packagr   0.10.7
@angular-devkit/build-optimizer    0.10.7
@angular-devkit/build-webpack      0.10.7
@angular-devkit/core               7.0.7 <-- notice this!
@angular-devkit/schematics         8.2.1
@angular/cli                       8.2.1 <-- and this!
@ngtools/json-schema               1.1.0
@ngtools/webpack                   7.0.7
@schematics/angular                8.2.1
@schematics/update                 0.802.1
ng-packagr                         4.7.1
rxjs                               6.3.3
typescript                         3.1.6
webpack                            4.19.1

...
"devDependencies": {
    "@angular-devkit/build-angular": "~0.10.0",
    "@angular-devkit/build-ng-packagr": "~0.10.0",
    "@angular/cli": "~8.2.0" -- I changed here to ~7.0.7
...}
...

<link href="https://fonts.googleapis.com/css?family=Material+Icons|Material+Icons+Outlined|Material+Icons+Two+Tone|Material+Icons+Round|Material+Icons+Sharp" rel="stylesheet">

<i class="material-icons">account_balance</i>
<i class="material-icons material-icons-outlined">account_balance</i>
<i class="material-icons material-icons-two-tone">account_balance</i>
<i class="material-icons material-icons-sharp">account_balance</i>
<i class="material-icons material-icons-round">account_balance</i>

{ observe: 'response' }

    return this.http.get(`${environment.serverUrl}/api/posts/${postId}/comments/?page=${page}&size=${size}`, { observe: 'response' });

TextField(
 enabled: false, // to trigger disabledBorder
 decoration: InputDecoration(
   filled: true,
   fillColor: Color(0xFFF2F2F2),
   focusedBorder: OutlineInputBorder(
     borderRadius: BorderRadius.all(Radius.circular(4)),
     borderSide: BorderSide(width: 1,color: Colors.red),
   ),
   disabledBorder: OutlineInputBorder(
     borderRadius: BorderRadius.all(Radius.circular(4)),
     borderSide: BorderSide(width: 1,color: Colors.orange),
   ),
   enabledBorder: OutlineInputBorder(
     borderRadius: BorderRadius.all(Radius.circular(4)),
     borderSide: BorderSide(width: 1,color: Colors.green),
   ),
   border: OutlineInputBorder(
     borderRadius: BorderRadius.all(Radius.circular(4)),
     borderSide: BorderSide(width: 1,)
   ),
   errorBorder: OutlineInputBorder(
     borderRadius: BorderRadius.all(Radius.circular(4)),
     borderSide: BorderSide(width: 1,color: Colors.black)
   ),
   focusedErrorBorder: OutlineInputBorder(
     borderRadius: BorderRadius.all(Radius.circular(4)),
     borderSide: BorderSide(width: 1,color: Colors.yellowAccent)
   ),
   hintText: "HintText",
   hintStyle: TextStyle(fontSize: 16,color: Color(0xFFB3B1B1)),
   errorText: snapshot.error,
 ),
 controller: _passwordController,
 onChanged: _authenticationFormBloc.onPasswordChanged,
                            obscureText: false,
),

    new Column(
              crossAxisAlignment: CrossAxisAlignment.stretch,
              children: <Widget>[
                new RaisedButton(
                  child: new Text(
                      "Submit",
                      style: new TextStyle(
                        color: Colors.white,
                      )
                  ),
                  colorBrightness: Brightness.dark,
                  onPressed: () {
                    _loginAttempt(context);
                  },
                  color: Colors.blue,
                ),
              ],
            ),

Stack(
 children: [
   /*your_widget_1*/,
  /*your_widget_2*/,
 ],
);

<input #yourControlName matInput>

export class blabla...
    @ViewChild("yourControlName") yourControl : ElementRef;

  showSearch(){
       ///blabla... then finally:
       this.yourControl.nativeElement.focus();
}

const config = require('./config.json');

 // Initialization in the dom
 // Consider the muted attribute
 <audio id="notification" src="path/to/sound.mp3" muted></audio>

 // in the js code unmute the audio once the event happened
 document.getElementById('notification').muted = false;
 document.getElementById('notification').play();

import { Observable } from 'rxjs/Observable';
import { of } from 'rxjs/observable/of';

import { Observable, of } from 'rxjs';

.h  - for widget height
.w  - for widget width
.sp - for font size

Container(
  height: 10.0.h,  //10% of screen height
  width: 80.0.w,   //80% of screen width
  child: Text('Sizer', style: TextStyle(fontSize: 12.0.sp)),
);

makes: any[] = [];

<mat-select (selectionChange)="changeFilter($event.value)" multiple [(ngModel)]="selected">
          <mat-option *ngFor="let filter of gridOptions.columnDefs"
                      [class.hide]="filter.headerName=='Action'"  [value]="filter.field">{{filter.headerName}}</mat-option>
        </mat-select>

npm i --save-dev dotenv

my-react-app/
|- node-modules/
|- public/
|- src/
|- .env
|- .gitignore
|- package.json
|- package.lock.json.
|- README.md

REACT_APP_BASE_URL=http://localhost:8000
REACT_APP_API_KEY=YOUR-API-KEY

export const BASE_URL = process.env.REACT_APP_BASE_URL;
export const API_KEY = process.env.REACT_APP_API_KEY;

process.env.REACT_APP_BASE_URL

async function run() {
    // Your async code here
    const beers = await fetch("https://api.punkapi.com/v2/beers");
}

run();

df = df.loc[:,~df.columns.duplicated()]

android.enableJetifier=true
android.useAndroidX=true

app.datasource.url=jdbc:mysql://localhost/test

app.datasource.jdbc-url=jdbc:mysql://localhost/test

const lst = [];  
const populateData = (data) => {lst.push(data)} 

function axiosTest (populateData) {
        axios.get(url)
       .then(function(response){
               populateData(response.data);
        })
        .catch(function(error){
               console.log(error);
         });
}   

 <Router>
        <Route path='/complete-profiles' component={Profiles} />
        <Link to='/complete-profiles'>
          <div>Completed Profiles</div>
        </Link>
      </Router>

{<td><span onClick={this.toggle()}>Details</span></td>}

{<td><span onClick={this.toggle}>Details</span></td>}

{<td><span onClick={()=> this.toggle()}>Details</span></td>}

{<td><span onClick={(arg)=>this.toggle(arg)}>Details</span></td>}

public render() {
       let ctrl = (
           <>
                <div className="aaa">
                    {this.renderView}
                </div>
            </>
       ); 

       return ctrl;
    };

    private renderView() : JSX.Element {
        // some html
    };

        <div className="aaa">
            {this.renderView()}
        </div>

    "amazon-cognito-identity-js": "3.0.11"
    "node-fetch": "^2.3.0"

import Global = NodeJS.Global;
export interface GlobalWithCognitoFix extends Global {
    fetch: any
}
declare const global: GlobalWithCognitoFix;
global.fetch = require('node-fetch');

    compileSdkVersion 29

    defaultConfig {
        applicationId "com.example.appname"
        minSdkVersion 19
        targetSdkVersion 29
        versionCode 1
        versionName "1.0"
        multiDexEnabled true //addded
        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
    }

dependencies {
implementation 'com.android.support:multidex:2.0.0' //added
}

npm install bootstrap --save

"scripts": [
    "../node_modules/bootstrap/dist/js/bootstrap.js"
],

// And the Bootstrap CSS to the apps[0].styles array

"styles": [
    "styles.css",
    "../node_modules/bootstrap/dist/css/bootstrap.css"
],

<ul>
    <li *ngFor="let recipient of map | keyvalue: asIsOrder">
        {{recipient.key}} --> {{recipient.value}}
    </li>
</ul>

asIsOrder(a, b) {
    return 1;
}

let main_headers = {}
this.http.post(url,
  {email: this.username, password: this.password},
  {'headers' : new HttpHeaders ({'Content-Type' : 'application/json'}), 'responseType': 'text', observe:'response'})
  .subscribe(response => {
    const keys = response.headers.keys();
    let headers = keys.map(key => {
      `${key}: ${response.headers.get(key)}`
        main_headers[key] = response.headers.get(key)
       }
      );
  });

header_list['X-Token']

const format = 'dd/MM/yyyy';
const myDate = '2019-06-29';
const locale = 'en-US';
const formattedDate = formatDate(myDate, format, locale);

import { registerLocaleData } from '@angular/common';
import localeES from "@angular/common/locales/es";
registerLocaleData(localeES, "es");

import { formatDate } from "@angular/common";

.parent {
  display: flex;
  flex-wrap: wrap;
}

#range, #text {
  flex: 1;
}

.error {
  flex: 0 0 100%; /* flex-grow, flex-shrink, flex-basis */
  border: 1px dashed black;
}
<div class="parent">
  <input type="range" id="range">
  <input type="text" id="text">
  <label class="error">Error message (takes full width)</label>
</div>
import { MatDialogModule } from **"@angular/material/dialog";**
import { MatCardModule } from **"@angular/material/card";**
import { MatButtonModule } from **"@angular/material/button";**

module.exports = {
    setupFiles: ["dotenv/config"]
}

var rockets = [_x000D_
    { country:'Russia', launches:32 },_x000D_
    { country:'US', launches:23 },_x000D_
    { country:'China', launches:16 },_x000D_
    { country:'Europe(ESA)', launches:7 },_x000D_
    { country:'India', launches:4 },_x000D_
    { country:'Japan', launches:3 }_x000D_
];_x000D_
rockets.map((itm) => {_x000D_
    itm.launches += 10_x000D_
    return itm_x000D_
})_x000D_
console.log(rockets)
var plusTen = []
rockets.forEach((itm) => {
    plusTen.push({'country': itm.country, 'launches': itm.launches + 10})
})

import axios from "axios";
import qs from "qs";   

const url = "https://yourapplicationbaseurl/api/user/authenticate";
    let data = {
      Email: "[email protected]",
      Password: "Admin@123"
    };
    let options = {
      method: "POST",
      headers: { "content-type": "application/x-www-form-urlencoded" },
      data: qs.stringify(data),
      url
    };
    axios(options)
      .then(res => {
        console.log("yeh we have", res.data);
      })
      .catch(er => {
        console.log("no data sorry ", er);
      });
  };

class QuestionSet extends Component {
render(){ 
    <div className="container">
       <h1>{this.props.question.text}</h1>
       {this.props.question.answers.map((answer, i) => {     
           console.log("Entered");                 
           // Return the element. Also pass key     
           return (<Answer key={answer} answer={answer} />) 
        })}
}

export default QuestionSet;

public static class EnvironmentVariablesExample
{
    [FunctionName("GetEnvironmentVariables")]
    public static void Run([TimerTrigger("0 */5 * * * *")]TimerInfo myTimer, ILogger log)
    {
        log.LogInformation($"C# Timer trigger function executed at: {DateTime.Now}");
        log.LogInformation(GetEnvironmentVariable("AzureWebJobsStorage"));
        log.LogInformation(GetEnvironmentVariable("WEBSITE_SITE_NAME"));
    }

    public static string GetEnvironmentVariable(string name)
    {
        return name + ": " +
            System.Environment.GetEnvironmentVariable(name, EnvironmentVariableTarget.Process);
    }
}

handleChange(event) {
    this.setState({value: (event.target as HTMLInputElement).value});
}

../css/main.css

import { BrowserModule } from '@angular/platform-browser';
import { NgModule, ErrorHandler } from '@angular/core';
import { HttpModule } from '@angular/http';
...
  imports: [
    BrowserModule,
    HttpModule,
    IonicModule.forRoot(MyApp),
    IonicStorageModule.forRoot()
  ]

const appRoutes: Routes [
 {path: "one", component: PageOneComponent},
 {path: "two", component: PageTwoComponent},
 {path: "", redirectTo: "/one", pathMatch: full},
 {path: "**", redirectTo: "/two"}
]

{path: "", component: PageOneComponent},

compileSdkVersion 26
buildToolsVersion "26.0.1"

compile "com.android.support:appcompat-v7"

compile "com.android.support:appcompat-v7:26.0.1"

class MyContainer extends Component {
  constructor(props) {
    super(props);

    this.onMove = this.onMove.bind(this);

    this.test = "this is a test";
  }

  onMove() {
    console.log(this.test);
  }
}

axios.defaults.baseURL = '/api/';

axios({
    method:'post',
    url:'logout',
    baseURL: '/',
   })
   .then(response => {
      window.location.reload();
   })
   .catch(error => {
       console.log(error);
   });

@Injectable()

@Injectable({
  providedIn: 'root'
})

import {from} from 'rxjs';

getData(): Observable<any> {
    return from(
      fetch(
        'http://xxxxx', // the url you are trying to access
        {
          headers: {
            'Content-Type': 'application/json',
          },
          method: 'GET', // GET, POST, PUT, DELETE
          mode: 'no-cors' // the most important option
        }
      ));
  }

<span role="button">Non-button element button</span>

import { HttpClientModule } from '@angular/common/http';

@NgModule({
...
imports:[ HttpClientModule ]
...
})

import { HttpClient } from '@angular/common/http'; 
import { Observable } from 'rxjs';

@Injectable()
export class AppSettingsService {

   constructor(private http: HttpClient) {
        this.getJSON().subscribe(data => {
            console.log(data);
        });
    }

    public getJSON(): Observable<any> {
        return this.http.get("./assets/mydata.json");
    }
}

@Component({
    selector: 'mycmp',
    templateUrl: 'my.component.html',
    styleUrls: ['my.component.css']
})
export class MyComponent implements OnInit {
    constructor(
        private appSettingsService : AppSettingsService 
    ) { }

   ngOnInit(){
       this.appSettingsService.getJSON().subscribe(data => {
            console.log(data);
        });
   }
}

componentDidMount(){
        axios.get('http://localhost:5000/supplier').then(
            response => {
                console.log(response)
                this.setState({suppliers:response.data.data})
            }
        )
        .catch(error => {
            console.log(error)
        })

    }

componentDidUpdate(){
        this.componentDidMount();
}

multiDexEnabled true

android {
    compileSdkVersion 27
    defaultConfig {
        applicationId "com.xx.xxx"
        minSdkVersion 15
        targetSdkVersion 27
        versionCode 1
        versionName "1.0"
        multiDexEnabled true //Add this
        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
    }
    buildTypes {
        release {
            shrinkResources true
            minifyEnabled true
            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
        }
    }
}

POST http://localhost:61495/api/Action net::ERR_INCOMPLETE_CHUNKED_ENCODING
ERROR HttpErrorResponse {headers: HttpHeaders, status: 0, statusText: "Unknown Error", url: null, ok: false, …}

this.empList.push({this.name,this.empoloyeeID});

checkValue(event: any) {
  this.userForm.patchValue({
    state: event
  })
}

   showAlertDialog(BuildContext context){
      AlertDialog alert=AlertDialog(
        content: new Row(
            children: [
               CircularProgressIndicator(),
               Container(margin: EdgeInsets.only(left: 5),child:Text("Loading" )),
            ],),
      );
      showDialog(barrierDismissible: false,
        context:context,
        builder:(BuildContext context){
          return alert;
        },
      );
    }

showAlertDialog(context);
await firebaseAuth.signInWithEmailAndPassword(email: email, password: password);
Navigator.pop(context);

import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:firebase_auth/firebase_auth.dart';
class DynamicLayout extends StatefulWidget{
  @override
  State<StatefulWidget> createState() {
    // TODO: implement createState
    return new MyWidget();
    }
  }
showAlertDialog(BuildContext context){
  AlertDialog alert=AlertDialog(
    content: new Row(
        children: [
           CircularProgressIndicator(),
           Container(margin: EdgeInsets.only(left: 5),child:Text("Loading" )),
        ],),
  );
  showDialog(barrierDismissible: false,
    context:context,
    builder:(BuildContext context){
      return alert;
    },
  );
}

  class MyWidget extends State<DynamicLayout>{
  Color color = Colors.indigoAccent;
  String title='app';
  GlobalKey<FormState> globalKey=GlobalKey<FormState>();
  String email,password;
  login() async{
   var currentState= globalKey.currentState;
   if(currentState.validate()){
        currentState.save();
        FirebaseAuth firebaseAuth=FirebaseAuth.instance;
        try {
          showAlertDialog(context);
          AuthResult authResult=await firebaseAuth.signInWithEmailAndPassword(
              email: email, password: password);
          FirebaseUser user=authResult.user;
          Navigator.pop(context);
        }catch(e){
          print(e);
        }
   }else{

   }
  }
  @override
  Widget build(BuildContext context) {
    return new Scaffold(
        appBar:AppBar(
        title: Text("$title"),
        ) ,
          body: Container(child: Form(
            key: globalKey,
            child: Container(
              padding: EdgeInsets.all(10),
              child: Column(children: <Widget>[
              TextFormField(decoration: InputDecoration(icon: Icon(Icons.email),labelText: 'Email'),
              // ignore: missing_return
              validator:(val){
                if(val.isEmpty)
                  return 'Please Enter Your Email';
              },
              onSaved:(val){
                email=val;
              },
              ),
                TextFormField(decoration: InputDecoration(icon: Icon(Icons.lock),labelText: 'Password'),
             obscureText: true,
                  // ignore: missing_return
                  validator:(val){
                    if(val.isEmpty)
                      return 'Please Enter Your Password';
                  },
                  onSaved:(val){
                    password=val;
                  },
              ),
                RaisedButton(color: Colors.lightBlue,textColor: Colors.white,child: Text('Login'),
                  onPressed:login),
            ],)
              ,),)
         ),
    );
  }
}

  const [values, setValues] = useState({intialStateValues});

  const [values, setValues] = useState(intialStateValues);

    implementation 'com.android.support.constraint:constraint-layout:1.1.0'

const racesCollection: AngularFirestoreCollection<Race>;
return racesCollection.snapshotChanges().map(actions => {       
  return actions.map(a => {
    const data = a.payload.doc.data() as Race;
    data.id = a.payload.doc.id;
    return data;
  });
});

const { width, height } = Dimensions.get('window')

<View style={{marginBottom: 20}}>
   <Image 
        style={{ height: 200, width: width, position: 'absolute', resizeMode: 'cover' }}
        source={{ uri: 'https://picsum.photos/'+width+'/200/?random' }}
                />
   <View style={styles.productBar}>
       <View style={styles.productElement}>
            <Image
                  style={{ height: 160, width: width - 250, position: 'relative', resizeMode: 'cover' }}
                  source={{ uri: 'https://picsum.photos/'+ 250 +'/160/?random' }}
                        />
       </View>
       <View style={styles.productElement}>
             <Text style={{ fontSize: 16, paddingLeft: 20 }}>Baslik</Text>
             <Text style={{ fontSize: 12, paddingLeft: 20, color: "blue"}}>Alt Baslik</Text>
       </View>
   </View>
</View>

 productBar: {
    margin: 20,
    marginBottom: 0,
    justifyContent: "flex-start" , 
    flexDirection: "row"
  },
  productElement: {
    marginBottom: 0, 
 },

const fs = require('fs').promises;
async function loadMonoCounter() {
    const data = await fs.readFile("monolitic.txt", "binary");
    return new Buffer(data);
}

app.get('*', function(req, res) {
  res.sendfile('./server/views/index.html')
})

import { Component, OnInit, ChangeDetectorRef } from '@angular/core';
import { LanguageModel, LANGUAGE_DATA } from '../../../../models/language.model';
import { LanguageAddComponent } from './language-add/language-add.component';
import { AuthService } from '../../../../services/auth.service';
import { LanguageDataSource } from './language-data-source';
import { LevelbarComponent } from '../../../../directives/levelbar/levelbar.component';
import { DataSource } from '@angular/cdk/collections';
import { Observable } from 'rxjs/Observable';
import 'rxjs/add/observable/of';
import { MatSnackBar, MatDialog } from '@angular/material';

@Component({
  selector: 'app-language',
  templateUrl: './language.component.html',
  styleUrls: ['./language.component.scss']
})
export class LanguageComponent implements OnInit {
  displayedColumns = ['name', 'native', 'code', 'level'];
  teachDS: any;

  user: any;

  constructor(private authService: AuthService, private dialog: MatDialog,
              private changeDetectorRefs: ChangeDetectorRef) { }

  ngOnInit() {
    this.refresh();
  }

  add() {
    this.dialog.open(LanguageAddComponent, {
      data: { user: this.user },
    }).afterClosed().subscribe(result => {
      this.refresh();
    });
  }

  refresh() {
    this.authService.getAuthenticatedUser().subscribe((res) => {
      this.user = res;
      this.teachDS = new LanguageDataSource(this.user.profile.languages.teach);
      this.changeDetectorRefs.detectChanges();
    });
  }
}

export default function Component({ yourCondition }) {

    if(yourCondition === "something") {
        return(
            This will throw this error if this condition is false.
        );
    }
}

class App extends React.Component{
  constructor(){
   super();
   this.state = {
    serverResponse: ''
   }
  }
  componentDidMount(){
     this.getData();
  }
  async getData(){
   const res = await axios.get('url-to-get-the-data');
   const { data } = await res;
   this.setState({serverResponse: data})
 }
 render(){
  return(
     <div>
       {this.state.serverResponse}
     </div>
  );
 }
}

async getData(username, password){
 const res = await axios.post('url-to-post-the-data', {
   username,
   password
 });
 ...
}

render(){
 return (
  <div>{this.state.serverResponse}</div>
 )
}

         <mat-form-field>
                <!-- <mat-label>Image Position</mat-label> -->
                <mat-radio-group aria-label="Image Position" [(ngModel)]="section.field_1">
                    <mat-radio-button value="left">Left</mat-radio-button>
                    <mat-radio-button value="right">Right</mat-radio-button>
                </mat-radio-group>
            </mat-form-field>

<span onClick={() => this.props.history.goBack()}>Back</span>

var express = require('express');

import * as  express from 'express';

var app = express(); 

return this.http.get(this.BASE_URL + url)
      .toPromise()
      .then(data=>{
        let res = {'results': JSON.stringify(data),
        'json': ()=>{return data;}
      };
       return res; 
      })
      .catch(error => {
        return Promise.reject(error);
      });

delete myjsonobj['otherIndustry'];

let myjsonobj = {
  "employeeid": "160915848",
  "firstName": "tet",
  "lastName": "test",
  "email": "[email protected]",
  "country": "Brasil",
  "currentIndustry": "aaaaaaaaaaaaa",
  "otherIndustry": "aaaaaaaaaaaaa",
  "currentOrganization": "test",
  "salary": "1234567"
}
delete myjsonobj['otherIndustry'];
console.log(myjsonobj);
let value="test";
let myjsonobj = {
      "employeeid": "160915848",
      "firstName": "tet",
      "lastName": "test",
      "email": "[email protected]",
      "country": "Brasil",
      "currentIndustry": "aaaaaaaaaaaaa",
      "otherIndustry": "aaaaaaaaaaaaa",
      "currentOrganization": "test",
      "salary": "1234567"
}
Object.keys(myjsonobj).forEach(function(key){
  if (myjsonobj[key] === value) {
    delete myjsonobj[key];
  }
});
console.log(myjsonobj);
onHandleSubmit(e) {
    e.preventDefault();
    const city = this.state.city;
    this.props.onSearchTermChange(city);
    this.mainInput.value = "";
  }

<input
      ref={(ref) => this.mainInput= ref}
      onChange={this.onHandleChange}
      placeholder="Get current weather..."
      value={this.state.city}
      type="text"
    />

onHandleSubmit(e) {
    e.preventDefault();
    const city = this.state.city;
    this.props.onSearchTermChange(city);
    this.setState({city: ""});
  }

<input
      id="mainInput"
      onChange={this.onHandleChange}
      placeholder="Get current weather..."
      type="text"
    />

 onHandleChange(e) {
    this.setState({
      city: e.target.value
    });
  }

  onHandleSubmit(e) {
    e.preventDefault();
    const city = this.state.city;
    this.props.onSearchTermChange(city);
    this.mainInput.value = "";
  }

void async function main() {
  await doSomeWork()
  await doMoreWork()
}()

$.ajaxSetup({
  headers: {
    'X-CSRF-TOKEN': $('meta[name="csrf-token"]').attr('content')
  }
});

$.ajax({
    url: 'some_unknown_page.html',
    success: function (response) {
        $('#post').html(response.responseText);
    },
    error: function (jqXHR, exception) {
        var msg = '';
        if (jqXHR.status === 0) {
            msg = 'Not connect.\n Verify Network.';
        } else if (jqXHR.status == 404) {
            msg = 'Requested page not found. [404]';
        } else if (jqXHR.status == 500) {
            msg = 'Internal Server Error [500].';
        } else if (exception === 'parsererror') {
            msg = 'Requested JSON parse failed.';
        } else if (exception === 'timeout') {
            msg = 'Time out error.';
        } else if (exception === 'abort') {
            msg = 'Ajax request aborted.';
        } else {
            msg = 'Uncaught Error.\n' + jqXHR.responseText;
        }
        $('#post').html(msg);
    },
});

table {_x000D_
 /* When set to 'fixed', all columns that do not have a width applied will get the remaining space divided between them equally */_x000D_
 table-layout: fixed;_x000D_
}_x000D_
.fixed-width {_x000D_
  width: 100px;_x000D_
}_x000D_
.col-12 {_x000D_
  width: 100%;_x000D_
}_x000D_
.col-11 {_x000D_
  width: 91.666666667%;_x000D_
}_x000D_
.col-10 {_x000D_
  width: 83.333333333%;_x000D_
}_x000D_
.col-9 {_x000D_
  width: 75%;_x000D_
}_x000D_
.col-8 {_x000D_
  width: 66.666666667%;_x000D_
}_x000D_
.col-7 {_x000D_
  width: 58.333333333%;_x000D_
}_x000D_
.col-6 {_x000D_
  width: 50%;_x000D_
}_x000D_
.col-5 {_x000D_
  width: 41.666666667%;_x000D_
}_x000D_
.col-4 {_x000D_
  width: 33.333333333%;_x000D_
}_x000D_
.col-3 {_x000D_
  width: 25%;_x000D_
}_x000D_
.col-2 {_x000D_
  width: 16.666666667%;_x000D_
}_x000D_
.col-1 {_x000D_
  width: 8.3333333333%;_x000D_
}_x000D_
_x000D_
/* Stylistic improvements from here */_x000D_
_x000D_
.align-left {_x000D_
  text-align: left;_x000D_
}_x000D_
.align-right {_x000D_
  text-align: right;_x000D_
}_x000D_
table {_x000D_
  width: 100%;_x000D_
}_x000D_
table > tbody > tr > td,_x000D_
table > thead > tr > th {_x000D_
  padding: 8px;_x000D_
  border: 1px solid gray;_x000D_
}
<table cellpadding="0" cellspacing="0" border="0">_x000D_
  <colgroup>_x000D_
    <col /> <!-- take up rest of the space -->_x000D_
    <col class="fixed-width" /> <!-- fixed width -->_x000D_
    <col class="col-3" /> <!-- percentage width -->_x000D_
    <col /> <!-- take up rest of the space -->_x000D_
  </colgroup>_x000D_
  <thead>_x000D_
    <tr>_x000D_
      <th class="align-left">Title</th>_x000D_
      <th class="align-right">Count</th>_x000D_
      <th class="align-left">Name</th>_x000D_
      <th class="align-left">Single</th>_x000D_
    </tr>_x000D_
  </thead>_x000D_
  <tbody>_x000D_
    <tr>_x000D_
      <td class="align-left">This is a very looooooooooong title that may break into multiple lines</td>_x000D_
      <td class="align-right">19</td>_x000D_
      <td class="align-left">Lisa McArthur</td>_x000D_
      <td class="align-left">No</td>_x000D_
    </tr>_x000D_
    <tr>_x000D_
      <td class="align-left">This is a shorter title</td>_x000D_
      <td class="align-right">2</td>_x000D_
      <td class="align-left">John Oliver Nielson McAllister</td>_x000D_
      <td class="align-left">Yes</td>_x000D_
    </tr>_x000D_
  </tbody>_x000D_
</table>_x000D_
_x000D_
_x000D_
<table cellpadding="0" cellspacing="0" border="0">_x000D_
  <!-- define everything with percentage width -->_x000D_
  <colgroup>_x000D_
    <col class="col-6" />_x000D_
    <col class="col-1" />_x000D_
    <col class="col-4" />_x000D_
    <col class="col-1" />_x000D_
  </colgroup>_x000D_
  <thead>_x000D_
    <tr>_x000D_
      <th class="align-left">Title</th>_x000D_
      <th class="align-right">Count</th>_x000D_
      <th class="align-left">Name</th>_x000D_
      <th class="align-left">Single</th>_x000D_
    </tr>_x000D_
  </thead>_x000D_
  <tbody>_x000D_
    <tr>_x000D_
      <td class="align-left">This is a very looooooooooong title that may break into multiple lines</td>_x000D_
      <td class="align-right">19</td>_x000D_
      <td class="align-left">Lisa McArthur</td>_x000D_
      <td class="align-left">No</td>_x000D_
    </tr>_x000D_
    <tr>_x000D_
      <td class="align-left">This is a shorter title</td>_x000D_
      <td class="align-right">2</td>_x000D_
      <td class="align-left">John Oliver Nielson McAllister</td>_x000D_
      <td class="align-left">Yes</td>_x000D_
    </tr>_x000D_
  </tbody>_x000D_
</table>
public void delete()    
{   
    File f = new File("E://implementation1/");
    File[] files = f.listFiles();
    for (File file : files) {
        file.delete();
    }
}

[SectionOne]
Status: Single
Name: Derek
Value: Yes
Age: 30
Single: True

[SectionTwo]
FavoriteColor=Green
[SectionThree]
FamilyName: Johnson

[Others]
Route: 66

>>> import ConfigParser
>>> Config = ConfigParser.ConfigParser()
>>> Config
<ConfigParser.ConfigParser instance at 0x00BA9B20>
>>> Config.read("myfile.ini")
['c:\\tomorrow.ini']
>>> Config.sections()
['Others', 'SectionThree', 'SectionOne', 'SectionTwo']
>>> Config.options('SectionOne')
['Status', 'Name', 'Value', 'Age', 'Single']
>>> Config.get('SectionOne', 'Status')
'Single'

$("a.mylink").attr("href", "http://cupcream.com");

mysqld: ALL: allow

mysqld: ALL

mysqld: ALL

#include <iostream>
#include <format>

int main() {
    std::cout << std::format("Hello {}!\n", "world");
}

#include <memory>
#include <string>
#include <stdexcept>

template<typename ... Args>
std::string string_format( const std::string& format, Args ... args )
{
    int size = snprintf( nullptr, 0, format.c_str(), args ... ) + 1; // Extra space for '\0'
    if( size <= 0 ){ throw std::runtime_error( "Error during formatting." ); }
    std::unique_ptr<char[]> buf( new char[ size ] ); 
    snprintf( buf.get(), size, format.c_str(), args ... );
    return std::string( buf.get(), buf.get() + size - 1 ); // We don't want the '\0' inside
}

int size = snprintf( nullptr, 0, format.c_str(), args ... ) + 1;

if( size <= 0 ){ throw std::runtime_error( "Error during formatting." ); }

std::unique_ptr<char[]> buf( new char[ size ] );

snprintf( buf.get(), size, format.c_str(), args ... );

return std::string( buf.get(), buf.get() + size - 1 );

#pragma warning(disable : 4996)

app.directive('ngClick', function() {
    return {
        restrict: 'A',
        compile: function($element, attr) {
            return function(scope, element, attr) {
                element.on('click', function(event) {
                    event.stopPropagation();
                });
            };
        }
    }
});

 'php artisan passport:install --force 

import codecs
file = codecs.open('data.txt','w','utf-8')

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
    <head>
        <title>Test Layout</title>
        <style type="text/css">
            body, html
            {
                margin: 0; padding: 0; height: 100%; overflow: hidden;
            }

            #content
            {
                position:absolute; left: 0; right: 0; bottom: 0; top: 0px; 
            }
        </style>
    </head>
    <body>
        <div id="content">
            <iframe width="100%" height="100%" frameborder="0" src="http://cnn.com" />
        </div>
    </body>
</html>

def remove_char(input_string, index):
    first_part = input_string[:index]
    second_part - input_string[index+1:]
    return first_part + second_part

s = 'aababc'
index = 1
remove_char(s,index)
ababc

#include <iostream>
#include <ctime>
#include <iomanip>

#define __FILENAME__ (__builtin_strrchr(__FILE__, '/') ? __builtin_strrchr(__FILE__, '/') + 1 : __FILE__)    // only show filename and not it's path (less clutter)
#define INFO std::cout << std::put_time(std::localtime(&time_now), "%y-%m-%d %OH:%OM:%OS") << " [INFO] " << __FILENAME__ << "(" << __FUNCTION__ << ":" << __LINE__ << ") >> "
#define ERROR std::cout << std::put_time(std::localtime(&time_now), "%y-%m-%d %OH:%OM:%OS") << " [ERROR] " << __FILENAME__ << "(" << __FUNCTION__ << ":" << __LINE__ << ") >> "

static std::time_t time_now = std::time(nullptr);

INFO << "Hello world" << std::endl;
ERROR << "Goodbye world" << std::endl;

16-06-23 21:33:19 [INFO] main.cpp(main:6) >> Hello world
16-06-23 21:33:19 [ERROR] main.cpp(main:7) >> Goodbye world

30 08 10 06 * /home/yourname/full-backup

30 14 * * * YOURCMD

<asp:Button id="myButton" runat="server" style="display:none" Text="Click Me" />

<script type="text/javascript">
    function ShowButton() {
        var buttonID = '<%= myButton.ClientID %>';
        var button = document.getElementById(buttonID);
        if(button) { button.style.display = 'inherit'; }
    }
</script>

$: cat > testre
============================
==
==============

$: grep -E '={10,}' testre
============================
==============

REPO=`git --git-dir=${TARGET} remote show origin -n | \
         grep "Fetch URL:" | \
         sed -E "s/^.*\/(.*)$/\1/" | \
         sed "s/.git$//"`

TAG=`git --git-dir=${TARGET} show-ref -d --tags | \
         grep \`git --git-dir=${TARGET} show --quiet --format=format:%H HEAD\` | \
         cut -d\  -f2 | \
         cut -d/ -f3 | \
         sed "s/\^{}$//"`

if [ "${TAG}" == "" ] ; then 
  BRANCH=`git --git-dir=${TARGET} show-ref --heads | \
         grep \`git --git-dir=${TARGET} show --quiet --format=format:%H HEAD\` | \
         cut -d\  -f2 | \
         cut -d/ -f3`
  TAG=${BRANCH}
fi

import pandas as pd

# make a simple dataframe
df = pd.DataFrame({'a':[1,2], 'b':[3,4]})
df
#    a  b
# 0  1  3
# 1  2  4

# create an unattached column with an index
df.apply(lambda row: row.a + row.b, axis=1)
# 0    4
# 1    6

# do same but attach it to the dataframe
df['c'] = df.apply(lambda row: row.a + row.b, axis=1)
df
#    a  b  c
# 0  1  3  4
# 1  2  4  6

fn = lambda row: row.a + row.b # define a function for the new column
col = df.apply(fn, axis=1) # get column data with an index
df = df.assign(c=col.values) # assign values to column 'c'

df = df.assign(**{'some column name': col.values})

@Modifying
@Transactional
@Query(value = "UPDATE SAMPLE_TABLE st SET st.status=:flag WHERE se.referenceNo in :ids")
public int updateStatus(@Param("flag")String flag, @Param("ids")List<String> references);

xhr.getResponseHeader('Set-Cookie');

DECLARE
  procId NUMBER;

BEGIN
  PKG1.INIT(1143824, 0, procId);
  DBMS_OUTPUT.PUT_LINE(procId);
END;

body {
    background-image: url(...);
}

SELECT O.OBJECT_NAME, S.SID, S.SERIAL#, P.SPID, S.PROGRAM,S.USERNAME,
S.MACHINE,S.PORT , S.LOGON_TIME,SQ.SQL_FULLTEXT 
FROM V$LOCKED_OBJECT L, DBA_OBJECTS O, V$SESSION S, 
V$PROCESS P, V$SQL SQ 
WHERE L.OBJECT_ID = O.OBJECT_ID 
AND L.SESSION_ID = S.SID AND S.PADDR = P.ADDR 
AND S.SQL_ADDRESS = SQ.ADDRESS;

=CONCATENATE(A1, ", ", A2, ", ", and so on)

import argparse

parser = argparse.ArgumentParser()
parser.add_argument('-w', action='store_true')

ln -s /data/to/zip/data.txt data.txt
zip /dir/to/file/newZip !$
rm !$

div {
  position: fixed;
  left: 50%;
  bottom: 20px;
  transform: translate(-50%, -50%);
  margin: 0 auto;
}
<div>
  Your Text
</div>
#manipulate {
    position:absolute;
    width:300px;
    height:300px;
    background:#063;
    bottom:0px;
    right:25%;
    left:50%;
    margin-left:-150px;
}

select now() - interval '1 year';

"INSERT INTO comment (comment, email, approved) VALUES ('$comment', '$email', '$approved')"

    position to absolute
    width to 100%
    height to 100px
    bottom to 10
    background-color: blue

 window.open('your_url', 'popup_name','height=' + screen.height + ',width=' + screen.width + ',resizable=yes,scrollbars=yes,toolbar=yes,menubar=yes,location=yes')

condition ? result_if_true : result_if_false

int qempty()
{ 
  if(f == r)
  {
      return 1;
  } 
  else 
  {
      return 0;
  }
}

users=("kamal" "jamal" "rahim" "karim" "sadia")
index=()
t=-1

for i in ${users[@]}; do
  t=$(( t + 1 ))
  if [ $t -eq 0 ]; then
    for j in ${!users[@]}; do
      index[$j]=$j
    done
  fi
  echo "${index[$t]} is $i"
done

function center(img) {
    var div = img.parentNode;
    var divW = parseInt(div.style.width);
    var divH = parseInt(div.style.height);
    var srcW = img.width;
    var srcH = img.height;
    var ratio = Math.min(divW/srcW, divH/srcH);
    var newW = img.width * ratio;
    var newH = img.height * ratio;
    img.style.width  = newW + "px";
    img.style.height = newH + "px";
    img.style.marginTop = (divH-newH)/2 + "px";
    img.style.marginLeft = (divW-newW)/2 + "px";
}

import datetime as dt
from dateutil.relativedelta import relativedelta

thisDate = dt.datetime(2017, 11, 17)

last_day_of_the_month = dt.datetime(thisDate.year, (thisDate + relativedelta(months=1)).month, 1) - dt.timedelta(days=1)
print last_day_of_the_month

datetime.datetime(2017, 11, 30, 0, 0)

import datetime as dt
import calendar
from dateutil.relativedelta import relativedelta

someDates = [dt.datetime.today() - dt.timedelta(days=x) for x in range(0, 10000)]

start1 = dt.datetime.now()
for thisDate in someDates:
    lastDay = dt.datetime(thisDate.year, (thisDate + relativedelta(months=1)).month, 1) - dt.timedelta(days=1)

print ('Time Spent= ', dt.datetime.now() - start1)

start2 = dt.datetime.now()
for thisDate in someDates:
    lastDay = dt.datetime(thisDate.year, 
                          thisDate.month, 
                          calendar.monthrange(thisDate.year, thisDate.month)[1])

print ('Time Spent= ', dt.datetime.now() - start2)

Time Spent=  0:00:00.097814
Time Spent=  0:00:00.109791

var m map[keyType]valueType
keys := sliceOfKeys(m) // you'll have to implement this
for _, k := range keys {
    v := m[k]
    // k is the key and v is the value; do your computation here
}

function highlight_words(word, element) {
    if(word) {
        var textNodes;
        word = word.replace(/\W/g, '');
        var str = word.split(" ");
        $(str).each(function() {
            var term = this;
            var textNodes = $(element).contents().filter(function() { return this.nodeType === 3 });
            textNodes.each(function() {
              var content = $(this).text();
              var regex = new RegExp(term, "gi");
              content = content.replace(regex, '<span class="highlight">' + term + '</span>');
              $(this).replaceWith(content);
            });
        });
    }
}

  @@
    type T;
    identifier f;
    @@
    - extern
    T f(...);

  $ git ls-files \*.{c,h} |
    grep -v ^compat/ |
    xargs spatch --sp-file contrib/coccinelle/noextern.cocci --in-place

@@
type T;
identifier f;
@@
- extern
  T f(...);

$ git ls-files compat/\*\*.{c,h} |
    xargs spatch --sp-file contrib/coccinelle/noextern.cocci --in-place
$ git checkout -- \
    compat/regex/ \
    compat/inet_ntop.c \
    compat/inet_pton.c \
    compat/nedmalloc/ \
    compat/obstack.{c,h} \
    compat/poll/

$ git ls-files compat/\*\*.{c,h} |
    xargs sed -i'' -e 's/^\(\s*\)extern \([^(]*([^*]\)/\1\2/'
$ git checkout -- \
    compat/regex/ \
    compat/inet_ntop.c \
    compat/inet_pton.c \
    compat/nedmalloc/ \
    compat/obstack.{c,h} \
    compat/poll/

<style name="AppTheme_Dialog" parent="Theme.AppCompat.Dialog">

    <item name="colorPrimary">@color/colorPrimary</item>
    <item name="colorPrimaryDark">@color/colorWhite</item>
    <item name="colorAccent">@color/colorPrimary</item>

</style>

private Activity activity;
private someVars;

public PopupFeedBack(Activity activity){
    super(activity, R.style.AppTheme_Dialog);
    setContentView(R.layout.myView);
    ....}}

foreach (var x in someValues)
{
    list.Add(x + 1);
}

public static void ForEach<T>(this IEnumerable<T> @this, Action<T> action)
{
   foreach (var x in @this)
      action(x);
}

SET _JAVA_OPTIONS = -Xms512m -Xmx1024m

export _JAVA_OPTIONS="-Xms512m -Xmx1024m"

public class GetHeapSize {
    public static void main(String[]args){

        //Get the jvm heap size.
        long heapSize = Runtime.getRuntime().totalMemory();

        //Print the jvm heap size.
        System.out.println("Heap Size = " + heapSize);
    }
}

set wrap off
set linesize 3000 -- (or to a sufficiently large value to hold your results page)

show all

apt-get install ffmpeg

            $('input').on('focus', function (e) {
                $(this)
                $(element).one('mouseup', function () {
                        $(this).select();
                        return false;
                    })                        .select();
            });

(new SelectElement(driver.FindElement(By.XPath(""))).SelectByText("");

 (new SelectElement(driver.FindElement(By.XPath(""))).SelectByValue("");

var str = $('#Search').val();
var regex = /[^\w\s]/gi;

if(regex.test(str) == true) {
    alert('Your search string contains illegal characters.');
}

$qmake -v

git fetch
git checkout test-branch

[username@localhost myProgram]$

[username@localhost app]$

python3 mymodule.py

python3 app/mymodule.py

.grid {_x000D_
  display: inline-block;_x000D_
}_x000D_
_x000D_
.cell {_x000D_
  display: inline-block;_x000D_
  position: relative;_x000D_
  float: left;_x000D_
  margin: 8px;_x000D_
  width: 48px;_x000D_
  height: 48px;_x000D_
  background-color: #bdbdbd;_x000D_
  font-family: 'Helvetica', 'Arial', sans-serif;_x000D_
  font-size: 14px;_x000D_
  font-weight: 400;_x000D_
  line-height: 20px;_x000D_
  text-indent: 4px;_x000D_
  color: #fff;_x000D_
}_x000D_
_x000D_
.cell:nth-child(3n) + .cell {_x000D_
  clear: both;_x000D_
}
<div class="grid">_x000D_
  <div class="cell">1</div>_x000D_
  <div class="cell">2</div>_x000D_
  <div class="cell">3</div>_x000D_
  <div class="cell">4</div>_x000D_
  <div class="cell">5</div>_x000D_
  <div class="cell">6</div>_x000D_
  <div class="cell">7</div>_x000D_
  <div class="cell">8</div>_x000D_
  <div class="cell">9</div>_x000D_
  <div class="cell">10</div>_x000D_
</div>
<div class="col-lg-1 text-center">
    <span class="glyphicon glyphicon-trash" data="{{event.id}}"
          ng-click="deleteEvent(event.id)"></span>
</div>

$scope.deleteEvent=function(idPassedFromNgClick){
    console.log(idPassedFromNgClick);
}

$ curl -s "https://get.sdkman.io" | bash
$ source "$HOME/.sdkman/bin/sdkman-init.sh"
$ sdk version

$ sdk install java

header('Content-Disposition: attachment;filename="'.$filename.'";');

header('Content-Type: application/csv; charset=UTF-8');

rewind($f);

pip uninstall numpy
pip uninstall opencv-python

pip install numpy
pip install opencv-python

using (var client = new HttpClient())
{
    var response = client.GetAsync("http://google.com").Result;

    if (response.IsSuccessStatusCode)
    {
        var responseContent = response.Content; 

        // by calling .Result you are synchronously reading the result
        string responseString = responseContent.ReadAsStringAsync().Result;

        Console.WriteLine(responseString);
    }
}

@mixin box-shadow($top, $left, $blur, $color, $inset: none) { ....

public class AllMethods
{
    public static void Method2()
    {
        // code here
    }
}

class Caller
{
    public static void Main(string[] args)
    {
        AllMethods.Method2();
    }
}

public class MyClass
{
    public void InstanceMethod() 
    { 
        // ...
    }
}

public static void Main(string[] args)
{
    var instance = new MyClass();
    instance.InstanceMethod();
}

// AllMethods.cs
namespace Some.Namespace
{
    public class AllMethods
    {
        public static void Method2()
        {
            // code here
        }
    }
}

// Caller.cs
using static Some.Namespace.AllMethods;

namespace Other.Namespace
{
    class Caller
    {
        public static void Main(string[] args)
        {
            Method2(); // No need to mention AllMethods here
        }
    }
}

<img src="image.png" style="background-color:red;" />

Business.exists? user_id: current_user.id #=> 1 or nil

Business.where(:user_id => current_user.id).any? #=> true or false

Business.unscoped.where(:user_id => current_user.id).any?

SELECT * 
FROM sys.indexes 
WHERE name='YourIndexName' AND object_id = OBJECT_ID('Schema.YourTableName')

library(gdata)
vector_data<- unmatrix(yourdata,byrow=T))

BeautifulSoup(text, features="html.parser").text 

u0 = ...

def f(x):
  ...

def u(n):
  if n==0: return u0
  return f(u(n-1))

def u(n):
  ux = u0
  for i in xrange(n):
    ux=f(ux)
  return ux

def u(n):
  ux = u0
  for i in xrange(n):
    ux=f(ux)
  yield ux

for val in u(1000):
  print val

import static org.mockito.Mockito.when;
import static org.mockito.AdditionalAnswers.returnsFirstArg;

when(myMock.myFunction(anyString())).then(returnsFirstArg());

doAnswer(returnsFirstArg()).when(myMock).myFunction(anyString());

if not exists (select * from sysobjects where name='cars' and xtype='U')
    create table cars (
        Name varchar(64) not null
    )
go

<input name="Image" type="file" class="form-control" id="resume" />

if (i > 0) {
    HttpPostedFileBase file = Request.Files["Image"];

    if (file != null && file.ContentLength > 0) {
        if (!string.IsNullOrEmpty(file.FileName)) {
            string extension = Path.GetExtension(file.FileName);

            switch ((extension.ToLower())) {
                case ".doc":
                    break;
                case ".docx":
                    break;
                case ".pdf":
                    break;
                default:
                    ViewBag.result = "Please attach file with extension .doc , .docx , .pdf";
                    return View();
            }

            if (!Directory.Exists(Server.MapPath("~") + "\\Resume\\")) {
                System.IO.Directory.CreateDirectory(Server.MapPath("~") + "\\Resume\\");
            }

            string documentpath = Server.MapPath("~") + "\\Resume\\" + i + "_" + file.FileName;
            file.SaveAs(documentpath);
            string filename = i + "_" + file.FileName;
            result = _objbalResume.UpdateResume(filename, i);
            Attachment at = new Attachment(documentpath);

            //ViewBag.result = (ans == true ? "Thanks for contacting us.We will reply as soon as possible" : "There is some problem. Please try again later.");
        }
    } else {
        ...
    }
}

var name = $("#txtname").val();
alert(name);

mysql_set_charset('utf8',$connection);

extension UIImage {

    func toBase64() -> String? {
        let imageData = UIImagePNGRepresentation(self)
        return imageData?.base64EncodedStringWithOptions(NSDataBase64EncodingOptions.Encoding64CharacterLineLength)
    }
}

ALTER TABLE `user_customer_permission` MODIFY `id` INT;
ALTER TABLE `user_customer_permission` DROP PRIMARY KEY;

var dateObj = new Date('2017-03-30 00:00:00'); //Create new date object
console.log(dateObj); // Thu Mar 30 2017 00:00:00 GMT-0300 (ART)

dateObj.setDate(1); //Set first day of the month from current date
dateObj.setDate(-1); // Substract 1 day to the first day of the month

//Now, you are in the last month
console.log(dateObj); // Mon Feb 27 2017 00:00:00 GMT-0300 (ART)

var dateObj = new Date('2017-03-30 00:00:00'); //Create new date object_x000D_
console.log(dateObj); // Thu Mar 30 2017 00:00:00 GMT-0300 (ART)_x000D_
_x000D_
dateObj.setDate(1); //Set first day of the month from current date_x000D_
dateObj.setDate(-1); // Substract 1 day to the first day of the month_x000D_
_x000D_
//Now, you are in the last month_x000D_
console.log(dateObj); // Mon Feb 27 2017 00:00:00 GMT-0300 (ART)
sudo ntfs-3g /dev/hdd /mnt/mount_point -o force

print "enter your name"
read name
print "enter your address"
read address
etc...
store in database

when the user types in field a, store it in NAME
when the user types in field b, store it in ADDRESS
when the user clicks the save button, call StoreInDatabase

<?php

header('Content-Type: text/html; charset=UTF-8');

?>

function CCSStylesheetRuleStyle(stylesheet, selectorText, style, value){
  /* returns the value of the element style of the rule in the stylesheet
  *  If no value is given, reads the value
  *  If value is given, the value is changed and returned
  *  If '' (empty string) is given, erases the value.
  *  The browser will apply the default one
  *
  * string stylesheet: part of the .css name to be recognized, e.g. 'default'
  * string selectorText: css selector, e.g. '#myId', '.myClass', 'thead td'
  * string style: camelCase element style, e.g. 'fontSize'
  * string value optionnal : the new value
  */
  var CCSstyle = undefined, rules;
  for(var m in document.styleSheets){
    if(document.styleSheets[m].href.indexOf(stylesheet) != -1){
     rules = document.styleSheets[m][document.all ? 'rules' : 'cssRules'];
     for(var n in rules){
       if(rules[n].selectorText == selectorText){
         CCSstyle = rules[n].style;
         break;
       }
     }
     break;
    }
  }
  if(value == undefined)
    return CCSstyle[style]
  else
    return CCSstyle[style] = value
}

const fse = require('fs-extra');

let srcDir = 'path/to/file';
let destDir = 'pat/to/destination/directory';

fse.moveSync(srcDir, destDir, function (err) {

    // To move a file permanently from a directory
    if (err) {
        console.error(err);
    } else {
        console.log("success!");
    }
});

fse.copySync(srcDir, destDir, function (err) {

     // To copy a file from a directory
     if (err) {
         console.error(err);
     } else {
         console.log("success!");
     }
});

SELECT ... date_field + INTERVAL 1 DAY

git checkout app/config/app.php app/config/database.php app/routes.php
git pull origin master

var end = positions[1] ? parseInt(positions[1], 10) : total - 1;

// same code as accepted answer
var end = positions[1] ? parseInt(positions[1], 10) : total - 1;
var chunksize = (end - start) + 1;

// poor hack to send smaller chunks to the browser
var maxChunk = 1024 * 1024; // 1MB at a time
if (chunksize > maxChunk) {
  end = start + maxChunk - 1;
  chunksize = (end - start) + 1;
}

wget -q --spider address
echo $?

CASE DeviceID 
   WHEN '7  ' THEN '01'
   WHEN '10 ' THEN '01'
   WHEN '62 ' THEN '01'
   WHEN '58 ' THEN '01'
   WHEN '60 ' THEN '01'
   WHEN '46 ' THEN '01'
   WHEN '48 ' THEN '01'
   WHEN '50 ' THEN '01'
   WHEN '137' THEN '01'
   WHEN '139' THEN '01'
   WHEN '142' THEN '01'
   WHEN '143' THEN '01'
   WHEN '164' THEN '01'
   WHEN '8  ' THEN '02'
   WHEN '9  ' THEN '02'
   WHEN '63 ' THEN '02'
   WHEN '59 ' THEN '02'
   WHEN '61 ' THEN '02'
   WHEN '47 ' THEN '02'
   WHEN '49 ' THEN '02'
   WHEN '51 ' THEN '02'
   WHEN '138' THEN '02'
   WHEN '140' THEN '02'
   WHEN '141' THEN '02'
   WHEN '144' THEN '02'
   WHEN '165' THEN '02'
   ELSE 'NA' 
END AS clocking

UPDATE table
SET ID = CASE WHEN ID = 2555 THEN 111111259 
              WHEN ID = 2724 THEN 111111261
              WHEN ID = 2021 THEN 111111263
              WHEN ID = 2017 THEN 111111264
         END
WHERE ID IN (2555,2724,2021,2017)

    <form id="formAddName">
      <fieldset>
        <legend>Add Name </legend>
            <label for="firstName">First Name</label>
            <input type="text" id="firstName" name="firstName" />

        <button>Add</button>
      </fieldset>
    </form>

      <ol id="demo"></ol>

<script>
    var list = document.getElementById('demo');
    var entry = document.getElementById('formAddName');
    entry.onsubmit = function(evt) {
    evt.preventDefault();
    var firstName = document.getElementById('firstName').value;
    var entry = document.createElement('li');
    entry.appendChild(document.createTextNode(firstName));
    list.appendChild(entry);
  }
</script>

<div class="container">
  <div class="inner">
    Lorem ipsum ...
  </div>
  <div class="full-height"></div>
</div>

.container{
  height: 256px;
  position: relative;
}
.inner{
  height: 100%;
  overflow: scroll;
}
.full-height{
  position: absolute;
  left: 0;
  width: 20%;
  top: 0;
  height: 100%;
}

$('foo').hover(function(e){
    var pos = [e.pageX-150,e.pageY];
    $('foo1').dialog( "option", "position", pos );
    $('foo1').dialog('open');
},function(){
    $('foo1').dialog('close');
});

    <form>
        <button class="btn btn-primary" asp-action="Login" asp- 
   controller="Account">@Localizer["Login"]</button>
    </form>

@NgModule({
  declarations: [
     ProjectsListComponent
  ],
  imports: [
    CommonModule,
    RouterModule.forChild(ProjectRoutes)
  ],
  exports: [
     ProjectsListComponent
  ]
})

export class ProjectsModule {}

export const ProjectRoutes: Routes = [
      { path: 'projects', component: ProjectsListComponent }
]

const params: {
   key1: 'value1',
   key2: 'value2',
   key3: 'value3',
}

const esc = encodeURIComponent;
const query = Object.keys(params)
  .map(k => esc(k) + '=' + esc(params[k]))
  .join('&');

return fetch('my-url', {
  method: 'POST',
  headers: {'Content-Type': 'application/x-www-form-urlencoded'},
  body: query,
})

import os
import sys
module_path = os.path.abspath(os.path.join('..'))
if module_path not in sys.path:
    sys.path.append(module_path)

from project1.lib.module import function
# use the function normally
function(...)

Windows Registry Editor Version 5.00

[HKEY_CURRENT_USER\Console\%SystemRoot%_system32_cmd.exe]
"CodePage"=dword:0000fde9

  &lt;test1&gt; 

 &#60;test1&#62;

&#60;&#116;&#101;&#115;&#116;&#49;&#62;

# du -sh * 

4.0K    1
4.0K    anadb.sh --> Shell file
4.0K    db.sh/    --> shell file
24K     backup4/  --> Directory
8.0K    backup6/  --> Directory 
1.9G    backup.sql.gz  --> sql file

        SET ANSI_NULLS OFF
        select * from sys.tables
        where principal_id = Null

        SET ANSI_NULLS ON 
        select * from sys.tables
        where principal_id = Null

wget URL
sudo apt-key add FILENAME

const toBase64 = file => new Promise((resolve, reject) => {
    const reader = new FileReader();
    reader.readAsDataURL(file);
    reader.onload = () => resolve(reader.result);
    reader.onerror = error => reject(error);
});

async function Main() {
   const file = document.querySelector('#myfile').files[0];
   console.log(await toBase64(file));
}

Main();

async function Main() {
   const file = document.querySelector('#myfile').files[0];
   const result = await toBase64(file).catch(e => Error(e));
   if(result instanceof Error) {
      console.log('Error: ', result.message);
      return;
   }
   //...
}

function PositionDialog(link) {
    $('#myDialog').dialog('open');
    var myDialogX = $(link).position().left;
    var myDialogY = $(link).position().top + $(link).outerHeight();
    $('#myDialog').dialog('option', 'position', [myDialogX, myDialogY]);
}

<PatternLayout pattern="%style{%date{DEFAULT}}{yellow}
            [%t] %highlight{%-5level}{FATAL=bg_red, ERROR=red, WARN=yellow, INFO=green} %logger{36} - %message\n"/>

<?xml version="1.0" encoding="UTF-8"?>
<Configuration status="WARN">
    <Properties>
        <Property name="APP_LOG_ROOT">/opt/test/log</Property>
    </Properties>
    <Appenders>
        <Console name="ConsoleAppender" target="SYSTEM_OUT">
            <PatternLayout pattern="%style{%date{DEFAULT}}{yellow}
                [%t] %highlight{%-5level}{FATAL=bg_red, ERROR=red, WARN=yellow, INFO=green} %logger{36} - %message\n"/>
        </Console>
        <RollingFile name="XML_ROLLING_FILE_APPENDER"
                     fileName="${APP_LOG_ROOT}/appName.log"
                     filePattern="${APP_LOG_ROOT}/appName-%d{yyyy-MM-dd}-%i.log.gz">
            <PatternLayout pattern="%d{DEFAULT} [%t] %-5level %logger{36} - %msg%n"/>
            <Policies>
                <SizeBasedTriggeringPolicy size="19500KB"/>
            </Policies>
        </RollingFile>
    </Appenders>
    <Loggers>
        <Root level="error">
            <AppenderRef ref="ConsoleAppender"/>
        </Root>
        <Logger name="com.compName.projectName" level="debug">
            <AppenderRef ref="XML_ROLLING_FILE_APPENDER"/>
        </Logger>
    </Loggers>
</Configuration>

new Ajax.Request('/some_url', {
  method:'get',
  requestHeaders: {Accept: 'application/json'},
  onSuccess: function(transport){
    var json = transport.responseText.evalJSON(true);
  }
});

interface bar {
    length: number;
}

bars = [{
  length: 1
} as bar];

int value;
value = (arc4random() % 74);
NSLog(@"random number: %i ", value);

//In order to generate 1 to 73, do the following:
int value1;
value1 = (arc4random() % 73) + 1;
NSLog(@"random number step 2: %i ", value1);

/usr/local/cuda 
/usr/local/cuda-5.0

/usr/local/cuda 

Function ConvertToLetter(iCol As Integer) As String
    Dim iAlpha As Integer
    Dim iRemainder As Integer
    iAlpha = Int(iCol / 27)
    iRemainder = iCol - (iAlpha * 26)
    If iAlpha > 0 Then
        ConvertToLetter = Chr(iAlpha + 64)
    End If
    If iRemainder > 0 Then
        ConvertToLetter = ConvertToLetter & Chr(iRemainder + 64)
    End If
End Function

Function selectColumnRange(colNum As Integer, targetWorksheet As Worksheet)
    Dim colLetter As String
    Dim testRange As Range
    colLetter = ConvertToLetter(colNum)
    testRange = targetWorksheet.Range(colLetter & ":" & colLetter).Select
End Function

python -c "import sys; print('\n'.join(' '.join(c) for c in zip(*(l.split() for l in sys.stdin.readlines() if l.strip()))))" < input > output

import sys

for c in zip(*(l.split() for l in sys.stdin.readlines() if l.strip())):
    print(' '.join(c))

Dim windowsShell
Dim regValue
Set windowsShell = CreateObject("WScript.Shell")
regValue = windowsShell.RegRead("someRegKey")

<input type="text" value="&nbsp;" id="myusername" onmousedown="protectMe(this,'md')" onkeyup="protectMe(this,'ku')" />
function protectMe(el,action){

 // Remove the white space we injected on startup
 var v = el.value.trim();

// Ignore this reset process if we are typing content in
// and only acknowledge a keypress when it's the last Delete
// we do resulting in the form value being empty
 if(action=='ku' && v != ''){return;} 

// Fix double quote issue (in the form input) that results from writing the outerHTML back to itself
  v = v.replace(/"/g,'\\"'); 

  // Reset the popup appearing when the form came into focus from a click  by rewriting it back
  el.outerHTML=el.outerHTML; 

  // Issue instruction to refocus it again, insert the value that existed before we reset it and then select the content.
  setTimeout("var d=document.getElementById('"+el.id+"'); d.value=\""+v+"\";d.focus();if(d.value.length>1){d.select();}",100);
}
int y = (c == 19) ? 7 : 11 ; 

String y = (s > 120) ? "Slow Down" : "Safe";
System.out.println(y);

if (compareChar(curChar, toChar("0"))) getButtons().get(i).setText("§");

var port = new SerialPort();
// LoggingStream inherits Stream, implements IDisposable, needen abstract methods and 
// overrides needen virtual methods. 
Stream portStream = new LoggingStream(port.BaseStream);
portStream.Write(...); // Logs write buffer.
portStream.Read(...); // Logs read buffer.

_mock.Setup(x => x.DoSomething(It.IsAny<string>(),It.IsAny<string>(),It.IsAny<string>())
     .Returns((string a, string b, string c) => string.Concat(a,b,c));

function msort(arr){
    for(var i =0;i<arr.length;i++){
        for(var j= i+1;j<arr.length;j++){
            if(arr[i]>arr[j]){
                var swap = arr[i];
                arr[i] = arr[j];
                arr[j] = swap;
            }
        }
    }
return arr;
}

cat /etc/apt/sources.list

var ms = new MemoryStream(imageData);
System.Drawing.Image image = Image.FromStream(ms);

image.Save("c:\\image.jpg");

byte[] imageData;

// Create the byte array.
var originalImage = Image.FromFile(@"C:\original.jpg");
using (var ms = new MemoryStream())
{
    originalImage.Save(ms, ImageFormat.Jpeg);
    imageData = ms.ToArray();
}

// Convert back to image.
using (var ms = new MemoryStream(imageData))
{
    Image image = Image.FromStream(ms);
    image.Save(@"C:\newImage.jpg");
}

console.log(`About to clear ${messages.length} messages from #${channel.name}...`);

let deletionResults = await async.mapLimit(messages, 2, async (message) => {
  try {
    await lib.slack.messages['@0.6.1'].destroy({
      id: clearedChannelId,
      ts: message.ts,
      as_user: true
    });
    return {
      successful: true
    };
  } catch (e) {
    return {
      successful: false,
      retryable: e.message && e.message.indexOf('ratelimited') !== -1
    };
  }
});

"hello _there_".replace(/_(.*?)_/, function(a, b){
    return '<div>' + b + '</div>';
})

"hello _there_".replace(/_(.*?)_/, "<div>$1</div>")

    "SELECT * FROM <DatabaseName>.[dbo].[Projects]"

In [10]: df.b.str.contains('^f')
Out[10]: 
0    False
1     True
2     True
3    False
Name: b, dtype: bool

after.map(array, function (value, done) {
    // do something async
    setTimeout(function () {
        // do something with the value
        done(null, value * 2)
    }, 10)
}, function (err, mappedArray) {
    // all done, continue here
    console.log(mappedArray)
})

a = 1;
console.log('a += 1<<2: ', a += 1<<2); // results in 5

a = 1;
// If a += b is equal to a = a + b then this would be 5. But as you see this is not. The result is 8.
console.log('a + 1 << 2: ', a + 1 << 2); // results in 8

a = 1;
// As you can see this results in 5.
console.log('a + (1<<2): ', a + (1<<2)); // results in 5
select 
    so.name, su.name, so.crdate 
from 
    sysobjects so 
join 
    sysusers su on so.uid = su.uid  
order by 
    so.crdate

$_SERVER['HTTP_USER_AGENT']

if($_SERVER['HTTP_USER_AGENT'] != 'facebookexternalhit/1.1 (+http://www.facebook.com/externalhit_uatext.php)') {
    echo 'Direct Access';
} else {
    echo 'FB Accessed';
}

.carousel-fade .item {
  opacity: 0;
  -webkit-transition: opacity 2s ease-in-out;
  -moz-transition: opacity 2s ease-in-out;
  -ms-transition: opacity 2s ease-in-out;
  -o-transition: opacity 2s ease-in-out;
  transition: opacity 2s ease-in-out;
  left: 0 !important;
}

.carousel-fade .active {
  opacity: 1 !important;
}

.carousel-fade .left {
  opacity: 0 !important;
  -webkit-transition: opacity 0.5s ease-in-out !important;
  -moz-transition: opacity 0.5s ease-in-out !important;
  -ms-transition: opacity 0.5s ease-in-out !important;
  -o-transition: opacity 0.5s ease-in-out !important;
  transition: opacity 0.5s ease-in-out !important;
}

.carousel-fade .carousel-control {
  opacity: 1 !important;
}

myinteger = 212345
number_string = str(myinteger)

for ch in number_string:
    print ch # will print each digit in order

print number_string[:2] # first two digits
print number_string[-3:] # last three digits
print number_string[3] # forth digit

isbn = raw_input()
for pos, ch in enumerate(reversed(isbn)):
    print "%d * %d is %d" % pos + 2, int(ch), int(ch) * (pos + 2)

get(key, default=None, type=None)

data['sex'].replace(0, 'Female',inplace=True)
data['sex'].replace(1, 'Male',inplace=True)

data['sex'].replace([0,1],['Female','Male'],inplace=True)

In [10]: data = pd.DataFrame([[1,0],[0,1],[1,0],[0,1]], columns=["sex", "split"])

In [11]: data['sex'].replace([0,1],['Female','Male'],inplace=True)

In [12]: data
Out[12]:
      sex  split
0    Male      0
1  Female      1
2    Male      0
3  Female      1

In [15]: data = pd.DataFrame([[1,0],[0,1],[1,0],[0,1]], columns=["sex", "split"])

In [16]: data['sex'].replace({0:'Female',1:'Male'},inplace=True)

In [17]: data
Out[17]:
      sex  split
0    Male      0
1  Female      1
2    Male      0
3  Female      1

public static <T> Stream<T> stream(Iterable<T> iterable) {
    return StreamSupport.stream(
        Spliterators.spliteratorUnknownSize(
            iterable.iterator(),
            Spliterator.ORDERED
        ),
        false
    );
}

df['gdp'] = df['gdp'].shift(-1)

df = df[:-1]

df = df.reset_index(drop=True)

import pickle
dict = {'one': 1, 'two': 2}
file = open('dump.txt', 'wb')
pickle.dump(dict, file)
file.close()

file = open('dump.txt', 'rb')
dict = pickle.load(file)

@IBAction func launchEmail(sender: AnyObject) {
 if if MFMailComposeViewController.canSendMail() {
   var emailTitle = "Feedback"
   var messageBody = "Feature request or bug report?"
   var toRecipents = ["[email protected]"]
   var mc: MFMailComposeViewController = MFMailComposeViewController()
   mc.mailComposeDelegate = self
   mc.setSubject(emailTitle)
   mc.setMessageBody(messageBody, isHTML: false)
   mc.setToRecipients(toRecipents)

   self.present(mc, animated: true, completion: nil)
 } else {
   // show failure alert
 }
}

func mailComposeController(controller:MFMailComposeViewController, didFinishWithResult result:MFMailComposeResult, error:NSError) {
    switch result {
    case .cancelled:
        print("Mail cancelled")
    case .saved:
        print("Mail saved")
    case .sent:
        print("Mail sent")
    case .failed:
        print("Mail sent failure: \(error?.localizedDescription)")
    default:
        break
    }
    self.dismiss(animated: true, completion: nil)
}

var customer = (from cus in _billingCommonservice.BillingUnit.CustomerRepository.GetAll()  
                          join man in _billingCommonservice.BillingUnit.FunctionRepository.ManagersCustomerValue()  
                          on cus.CustomerID equals man.CustomerID  
                          // start left join  
                          into a  
                          from b in a.DefaultIfEmpty(new DJBL_uspGetAllManagerCustomer_Result() )  
                          select new { cus.MobileNo1,b.ActiveStatus });  

.navbar {
   background:rgba(0,0,0,0.5);   /* for latest browsers */
   background: #000;  /* fallback for older browsers */
}

function generate_timezone_list()
{
    static $regions = array(
        DateTimeZone::AFRICA,
        DateTimeZone::AMERICA,
        DateTimeZone::ANTARCTICA,
        DateTimeZone::ASIA,
        DateTimeZone::ATLANTIC,
        DateTimeZone::AUSTRALIA,
        DateTimeZone::EUROPE,
        DateTimeZone::INDIAN,
        DateTimeZone::PACIFIC,
    );

    $timezones = array();
    foreach( $regions as $region )
    {
        $timezones = array_merge( $timezones, DateTimeZone::listIdentifiers( $region ) );
    }

    $timezone_offsets = array();
    foreach( $timezones as $timezone )
    {
        $tz = new DateTimeZone($timezone);
        $timezone_offsets[$timezone] = $tz->getOffset(new DateTime);
    }

    // sort timezone by offset
    asort($timezone_offsets);

    $timezone_list = array();
    foreach( $timezone_offsets as $timezone => $offset )
    {
        $offset_prefix = $offset < 0 ? '-' : '+';
        $offset_formatted = gmdate( 'H:i', abs($offset) );

        $pretty_offset = "UTC${offset_prefix}${offset_formatted}";

        $timezone_list[$timezone] = "(${pretty_offset}) $timezone";
    }

    return $timezone_list;
}

[Pacific/Midway] => (UTC-11:00) Pacific/Midway
[Pacific/Pago_Pago] => (UTC-11:00) Pacific/Pago_Pago
[Pacific/Niue] => (UTC-11:00) Pacific/Niue
[Pacific/Honolulu] => (UTC-10:00) Pacific/Honolulu
[Pacific/Fakaofo] => (UTC-10:00) Pacific/Fakaofo
…

svn merge <what(the range)> <from(your dev branch)> <to(trunk/trunk local copy)>

Add-Content -path $logpath @"
$((get-date).tostring()) Error $keyPath $value
key $key expected: $policyValue
local value is:  $localValue
"@

SET searchString=abcd1234
SET key=cd123

CALL SET keyRemoved=%%searchString:%key%=%%

IF NOT "x%keyRemoved%"=="x%searchString%" (
    ECHO Contains.
)

set RANDFILE=C:\MyDir\.rnd
openssl genrsa -out my-prvkey.pem 1024

<style name="HiddenTitleTheme" parent="AppTheme">
    <item name="windowNoTitle">true</item>
    <item name="windowActionBar">false</item>
 </style>

android:theme="@style/HiddenTitleTheme"

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Querying date field in MongoDB with Mongoose

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When adding a Javascript library, Chrome complains about a missing source map, why?

TS1086: An accessor cannot be declared in ambient context

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EDIT

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dotnet ef not found in .NET Core 3

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Invalid hook call. Hooks can only be called inside of the body of a function component

Typescript: No index signature with a parameter of type 'string' was found on type '{ "A": string; }

Is it possible to opt-out of dark mode on iOS 13?

Access blocked by CORS policy: Response to preflight request doesn't pass access control check

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