Jal

i struggling file access - have python 2.7 here: c:\python27 i created txt file data.txt and trying shell read , print values it. location of data.txt in same folder (c:\python27\data.txt) every time got same error msg: traceback (most recent call last): file "c:/python27/filereader.py", line 1, in <module> infile = open('data.txt', 'r') # open file reading. ioerror: [errno 2] no such file or directory: 'data' you need enter full filename data.txt instead of data only: infile = open('data.txt', 'r')

in angular 1 config looks this: $routeprovider .when("/news", { templateurl: "newsview.html", controller: "newscontroller", resolve: { message: function(messageservice){ return messageservice.getmessage(); } } }) how use resolve in angular2? @andréwerlang's answer good, if want resolved data on page change when route parameter changes , need to: resolver: @injectable() export class messageresolver implements resolve<message> { constructor(private messageservice: messageservice, private router: router) {} resolve(route: activatedroutesnapshot, state: routerstatesnapshot): observable<message> { const id = +route.params['id']; return this.messageservice.getbyid(id); } } your component: ngoninit() { this.route.data.subscribe((data: { message: message }) => { this.message = data.message; }); }

so have issue mentioned in title. jade compiles li([router-link]=\["/listen"\]) listen to <li [router-link]="/listen">listen</li> where need <li [router-link]=["/listen"]>listen</li> i tried escaping \ won't compile. should use global mixins or there way? http://html2jade.org/ try : li([router-link]='["/listen"]') listen

when trying write following javascript code snippet in mozilla web console getting following unexpected behaviour.please refer below image.when declared variable x undefined check evaluated true.but when defined "var a" seemingly wrong answer.i have checked chrome working fine.can please explain obscure behaviour? there's global variable named a , has value. var a; declaration doesn't create new variable. try changing code to: if (a === undefined) { console.log("undefined true"); } else { console.log("undefined false, = " + a); } so can see value of variable.

i expecting following query create nodes (only if exits) , relations given source node (1) , list(2) way: merge (p1:c9{userid: '1'}) p1, [{userid:"2"}] users foreach (user in users | merge ((p1)-[r1:follow]->(:c9 {userid: user.userid}))) thats outcome: now if executing query again switching node id's way: merge (p1:c9{userid: '2'}) p1, [{userid:"1"}] users foreach (user in users | merge ((p1)-[r1:follow]->(:c9 {userid: user.userid}))) we got this: neo4j duplicated me node id=1. want merge in case of existed nodes. i expected see 2 nodes connected each other merging existed nodes. any idea should fix? thanks, ray. i avoid foreach when can use unwind , start this: merge (p1:c9 {userid: '1'}) p1, [{userid:"2"}] users unwind users user merge (p1)-[r1:follow]->(:c9 {userid: user.userid}) sometimes want separate node creation relationship creation. if both @ same time, t...

i have deluxe plan in godaddy (windows plan), host websites. when check websites, request spend more 10 seconds, between sending request , receiving response. if want access site after several hours of inactivity, happen again. for problem, created console application where, each 1 minute, going visit websites. hosted application in azure web job, wasn't solution problem. what should websites respond fast?, regardless of user activity after deploying website first request takes longer, after should load quicker.

i'm trying run minitests in rails library app, when run rake test , error saying loaderror: cannot load such file -- rake/testtask . here rakefile: require "bundler" bundler.setup require 'rake/testtask' desc 'test library.' rake::testtask.new(:test) |t| t.libs << 'lib' << 'test' t.pattern = 'test/**/*_test.rb' t.verbose = true end below gemfile: source 'https://rubygems.org' gemspec gem 'minitest' gem 'htmlentities' gem 'aws-s3' gem 'byebug', platforms: :mri gem 'rake' rake not being loaded. add gem 'rake' gemfile