connect

问题 I am creating the middleware to be called after app.router and I need to access the data that was stored in res.locals object by the route middleware and route handler. //... app.use(app.router); app.use(myMiddleware); //... app.get('/', function(req, res) { res.locals.data = 'some data'; }); function myMiddleware(req, res, next) { if (res.locals.data) console.log('there is data'); else console.log('data is removed'); // that's what happens } The problem is that all properties of res.locals

问题 I am working on Ubuntu 11.10 Local branch of my git-repo is up to date I then wrote following command in terminal: heroku create --stack cedar and it said: Notice: on Wed, 20 June, our default stack will change to Cedar. http://bit.ly/Lh0rM5 Creating radiant-wind-7413... done, stack is cedar http://radiant-wind-7413.herokuapp.com/ | git@heroku.com:radiant-wind-7413.git Git remote heroku added All fine till now, then I typed following in terminal: git push heroku master and the following error

问题 trying to figure out how to pull Redux store state into my component from Redux. I've got mapStateToProps and "connect" wired up. However, when I click my button in "App" component, this.props doesn't have my Redux values in it. // React and Redux Const const { Component } = React; const { render } = ReactDOM; const { Provider, connect } = ReactRedux; const {createStore, combineReducers, bindActionCreators } = Redux; function tweetReducer(state=[],action) { if(action.type === 'ADD_TWEET') {

问题 when I try to login to my database with psql, doing this: psql dbname --username=qgis --password >>(prompts for password, entered password) psql: FATAL: permission denied for database "gisdatabase" DETAIL: User does not have CONNECT privilege. I've searched around on Google for information on this simple issue but haven't found anyone directly talking about this. I've tried doing this: psql dbname >>ALTER ROLE qgis WITH CONNECT; But got this error: ERROR: unrecognized role option "connect" So

问题 I have this code segment that is designed to connect to a server using a socket connection. However if it can not connect to the server within a certain amount of time I would like it to stop trying. I tried to do this with this nonblocking socket and the select command but select is always returning 1 indicating that the server exists when nothing exists at the address I give it. Any Ideas? SOCKET tcp_client( char *hname, char *sname ) { fd_set fdset; struct sockaddr_in peer; SOCKET s; FD

问题 So, I am new to python programming. I have started to implement a UI in pyqt5 and there I have a button and I want to react when the user clicks it. According to this Link I should simply write btn.clicked.connect(self.buton_pressed) however I get the message "Cannot find reference connect in function". (The surrounding code is at the end of the question) So I googled a bit and all I found is that it should just work that way. I just don't get why it does not. I found this Stackoverflow

问题 I just moved my site to a new web host, and after changing the database-login file, it still can't connect. I get the following error: Warning: mysql_query() [function.mysql-query]: Can't connect to local MySQL server through socket '/tmp/mysql.sock' (2) in /usr/www/users/simpleof/index.php on line 91 I changed the password and tried again, but it still doesn't work. All the information in the db-login is correct, so why can't I connect to the database? 回答1: Is the MySQL server on the same

问题 to create databases I'm using xampp->phpyadmin, I have created a database called "dungeons", in my php code Im connecting to MySQL with this code: if ($_SERVER["SERVER_ADDR"]=="localhost") { define("SQL_HOST","localhost"); define("SQL_DBNAME","dungeons"); define("SQL_USERNAME",xxx); define("SQL_PASSWORD",xxx); } else { define("SQL_HOST","127.0.0.1"); define("SQL_DBNAME","dungeons"); define("SQL_USERNAME", xxx); define("SQL_PASSWORD",xxx); } mysql_connect(SQL_HOST, SQL_USERNAME, SQL_PASSWORD)

问题 I have following code to detect if there is internet connection available or not. But if I have no internet connection only the data connection is "ON" it still works. what I should do? ConnectivityManager cManager = (ConnectivityManager) getSystemService(this.CONNECTIVITY_SERVICE); NetworkInfo ninfo = cManager.getActiveNetworkInfo(); if(ninfo!=null && ninfo.isConnected()) { Toast.makeText(this, "Available",Toast.LENGTH_LONG).show(); } else { Toast.makeText(this, "Not Available",Toast.LENGTH

问题 I'd like to use socket library to connect to a server (not necessary a webserver) through an http proxy. Is it possible? For example (with requests library): import requests r = requests.get("http://www.google.com", #but not necessary to http port. proxies={"http": "http://ipproxy:portproxy"}) -UPDATE- import urllib.request pr = "ipproxy:portproxy" while True: try: proxy = urllib.request.ProxyHandler({'http': pr}) opener = urllib.request.build_opener(proxy) urllib.request.install_opener