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| <!doctype html> | |
| <html> | |
| <head> | |
| <title>weather</title> | |
| <style> | |
| body, html { | |
| background: #05a; | |
| color: #fff; | |
| font-family: monospace; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <% for(var i = 0; i < list.length; i++ ) { %> | |
| <%= list[i].dt_txt %><br /> | |
| <%= list[i].weather[0].main %><br /><hr /> | |
| <% } %> | |
| </body> | |
| </html> |
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| var express = require('express'); | |
| var app = express(); | |
| var http = require('http').Server(app); | |
| var path = require('path'); | |
| var redis = require("redis"); | |
| var client = redis.createClient(); | |
| var request = require('./request'); | |
| // tell express to use EJS templating | |
| app.set('view engine', 'ejs'); | |
| app.get('/', function(req, res){ | |
| // set some data variables to use within the template | |
| client.get("html", function(err, reply) { | |
| if(err || reply == null) { | |
| request.fetch("api.openweathermap.org", "/data/2.5/forecast?q=Vancouver,ca&mode=json", function(response) { | |
| console.log("Fetched weather data from external site."); | |
| var data = JSON.parse(response); | |
| res.render(path.join(__dirname, 'caching.ejs'), data, function(err, html) { | |
| client.set("html", data); | |
| client.expire("html", 10); | |
| last_fetch = Date.now(); | |
| res.send(html); | |
| }); | |
| }); | |
| } else { | |
| res.send(reply); | |
| } | |
| }); | |
| }); | |
| http.listen(8888, function(){ | |
| console.log('listening on *:8888'); | |
| }); | |
| app.use(express.static(__dirname)); |
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| rwx rwx rwx | |
| 111 111 111 | |
| rwx r-x r-- | |
| 111 101 100 | |
| 100 = ? | |
| | | |
| 2^0 = 1 | |
| | | |
| 2^1 = 2 | |
| | | |
| 2^2 = 4 | |
| 100 in binary = 5 in decimal | |
| rwx r-x r-- | |
| 111 101 100 | |
| 7 5 4 | |
| chmod 754 filename.js | |
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