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How do multiple clients connect simultaneously to one port, say 80, on a server? [duplicate]
...h client has a unique (for their machine) port. Does the server reply back from an available port to the client, and simply state the reply came from 80? How does this work?
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Flask-SQLAlchemy import/context issue
... with the app right away - you can do this instead:
# apps.members.models
from flask_sqlalchemy import SQLAlchemy
db = SQLAlchemy()
class Member(db.Model):
# fields here
pass
And then in your application setup you can call init_app:
# apps.application.py
from flask import Flask
from ap...
Deny access to one specific folder in .htaccess
I'm trying to deny users from accessing the site/includes folder by manipulating the URL.
10 Answers
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Deny all, allow only one IP through htaccess
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order deny,allow
deny from all
allow from <your ip>
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libpthread.so.0: error adding symbols: DSO missing from command line
...t on the order of modules. Symbols are first requested, and then linked in from a library that has them. So you have to specify modules that use libraries first, and libraries after them. Like this:
gcc x.o y.o z.o -la -lb -lc
Moreover, in case there's a circular dependency, you should specify th...
Socket.IO - how do I get a list of connected sockets/clients?
....sockets.clients();
var clients = io.sockets.clients('room'); // all users from room `room`
For a namespace
var clients = io.of('/chat').clients();
var clients = io.of('/chat').clients('room'); // all users from room `room`
Hopes this helps someone in the future
NOTE: This Solution ONLY wor...
Error 'LINK : fatal error LNK1123: failure during conversion to COFF: file invalid or corrupt' after
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@grundic Sort of. We renamed cvtres.exe from the Win 7 sdk so that link.exe doesn't find it and instead uses the new one from .NET 4.5. The Windows 8 SDK no longer contains the command line tools. You now have to install at least Visual Studio 2012 Express for Desk...
How do I move a redis database from one server to another?
...t instance as my new redis server. If it were MySQL, I would export the DB from the old server and import it into the new server. How should I do this with redis?
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jQuery Data vs Attr?
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If you are passing data to a DOM element from the server, you should set the data on the element:
<a id="foo" data-foo="bar" href="#">foo!</a>
The data can then be accessed using .data() in jQuery:
console.log( $('#foo').data('foo') );
//outputs "bar...
What is cURL in PHP?
... or higher. In PHP
4.2.3, you will need libcurl version 7.9.0 or higher. From PHP 4.3.0, you will need a libcurl version that's
7.9.8 or higher. PHP 5.0.0 requires a libcurl version 7.10.5 or greater.
You can make HTTP requests without cURL, too, though it requires allow_url_fopen to be enabl...