node.js - Cannot read property 'render' of undefined -


i making simple program in koa.js in trying rendering information html page i.e index.html , whenever trying run code gives error.. tired of thing, still can't find better solution..

typeerror: cannot read property 'render' of undefined @ object.render (c:\users\hamza\desktop\thefirstkoaapp\task3\app.js:27:8) @ next (native) @ object.dispatch (c:\users\hamza\desktop\thefirstkoaapp\node_modules \koa-router\lib\router.js:331:14) @ next (native) @ onfulfilled (c:\users\hamza\desktop\thefirstkoaapp\node_modules\co\index.js:65:19) @ c:\users\hamza\desktop\thefirstkoaapp\node_modules\co\index.js:54:5 @ object.co (c:\users\hamza\desktop\thefirstkoaapp\node_modules\co\index.js:50:10) @ object.topromise (c:\users\hamza\desktop\thefirstkoaapp\node_modules\co\index.js:119:63) @ next (c:\users\hamza\desktop\thefirstkoaapp\node_modules\co\index.js:100:29) @ onfulfilled (c:\users\hamza\desktop\thefirstkoaapp\node_modules\co\index.js:70:7) @ process._tickcallback (node.js:368:9)

here code..

app.js:

const koa = require('koa'); const router = require('koa-router'); const config = require(__dirname+"/config.js"); const app = new koa();   var route = router(); app.use(route.routes());  var views = require("co-views");  var render = views("views", { map: { html: 'swig' }});  route.all("/hi", function *(req,res){     var myuser = {name:"john"};     res.render ("index",{user:myuser});   //this.body = yield render("index"); });   startkoa(); function startkoa() {     app.listen(config.koa.port);     console.log('listening on port '+config.koa.port); }

index.html:

<html>  <body>  <script>   var username = "{{user.name}}"; </script>  <script src="app.js"></script> </body>  </html>


Comments

Post a Comment

Popular posts from this blog

android - InAppBilling registering BroadcastReceiver in AndroidManifest -

i'm implementing inapp billing in android app. works well, however, i'm trying decouple broadcast receiver activity manifest. suggestion in android's trivialdrive sample: // important: dynamically register broadcast messages updated purchases. // register receiver here instead of <receiver> in manifest // because call getpurchases() @ startup, therefore can ignore // broadcasts sent while app isn't running. // note: registering listener in activity bad idea, done here // because sample. regardless, receiver must registered after // iabhelper setup, before first call getpurchases(). currently there's class extends broadcastreceiver : public class iabbroadcastreceiver extends broadcastreceiver { /** * intent action receiver should filter for. */ public static final string action = "com.android.vending.billing.purchases_updated"; private final iabbroadcastlistener mlistener; public iabbroadcastreceiver(iabbroadcastlistener listener) { m...
Read more

python Tkinter Capturing keyboard events save as one single string -

is possible store keyboard events 1 string? code below stores 1 char , prints it. card reader or bar code reader, contains collection of character/ string not 1 character @ time. goal save char pressed text variable. from tkinter import * root = tk() def key(event): text= event.char text+= event.char print ("pressed", text) def callback(event): frame.focus_set() print ("clicked at", event.x, event.y) frame = frame(root, width=100, height=100) frame.bind("<key>", key) frame.bind("<button-1>", callback) frame.pack() root.mainloop() currently, creating text variable , everytime key() function gets called, , text stores last character typed. you can define text module level variable , , use module level text inside key function - text = '' def key(event): global text text+= event.char print("pressed", text)
Read more

sql server - Why does Linq-to-SQL add unnecessary COUNT()? -

here tables: create table customer ( cid int primary key, name varchar(32) ) create table ord ( oid int primary key, cid int foreign key references customer, address varchar(20) ) here's linq-to-sql statement: var aaa = c in db.customer select new { c, o = c.ord.tolist() }; and here's inexplicable query generated linq-to-sql: select [t0].[cid] [cid], [t0].[name] [name], [t1].[oid] [oid], [t1].[cid] [cid2], [t1].[address] [address], (select count(*) [dbo].[ord] [t2] [t2].[cid] = [t0].[cid]) [value] [dbo].[customer] [t0] left outer join [dbo].[ord] [t1] on [t1].[cid] = [t0].[cid] order [t0].[cid], [t1].[oid] i want understand how rid of count(*) part. it's entirely uncalled for! linq needs count(*) in order determine number of entries returned o = c.ord.tolist() .
Read more