connect | 易学教程

TCP控制扫码

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#TCP控制扫码 IVYSUN # -*- coding: utf-8 -*- """ tcp control IVYSUN scanner gun scan """ from socketserver import socket import struct import ctypes import time import logging import traceback class ScanNow ( object ) : def __init__ ( self , ip = '192.168.250.233' , port = 10001 , timeout = 2 ) : self . smq_ip = ip self . smq_port = int ( port ) self . timeout = float ( timeout ) self . smq = None self . connect_status = False logging . basicConfig ( level = logging . INFO , format = "%(name)s %(asctime)s %(message)s" , datefmt = "%Y-%m-%d %H:%M:%S" ) self . logger = logging . getLogger ( __name__

Connect SQL Server from Linux Client using Windows Authentication and troubleshoot steps

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https://sqlserver.code.blog/2019/12/14/connect-sql-server-from-linux-client-using-windows-authentication-and-troubleshoot-steps/ 来源： https://www.cnblogs.com/stswordman/p/12038218.html

How does Connect's session middleware's signed cookies work?

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问题 I would like an explanation on how the connect.sid cookies work in the Connect Node.js framework. I noticed that they are formated like, s:hash.signature I don't understand how the signature is used when the hash is more than capable of being used to access the session data from a memory store or redis store. Also, I don't understand why the s: is even in the cookie; what is it's purpose. I'm hearing that the signature is used to "sign" the hash. What exactly is meant by "sign" or "signed"? I

Socket program gives “Transport endpoint is already connected” error

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问题 I am trying to create a very simple client-server chat program, where two programs can communicate with each other. However, the accept function is giving me the error "invalid argument". I am pasting the code here: #include <stdio.h> #include <sys/types.h> #include <sys/socket.h> #include <netinet/in.h> #include <string.h> #include <fcntl.h> #include <stdlib.h> #include <errno.h> int main() { struct sockaddr_in myaddr; struct sockaddr_in otheraddr; int sockid; int bindid; int recvsockid; int

Member function as a Qt Slot

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问题 I need to connect a button to a member function from another class. Here the class' code : int g_switch_value = 0; int filterInt = 0; int lastfilterInt = -1; void MoyenEtMedian::switch_callback(int position, void* object) { MoyenEtMedian* moyetmed = (MoyenEtMedian*) object; filterInt = position; } void MoyenEtMedian::exec(void) { const char* name = "Filtres"; IplImage* img = cvLoadImage( "image.png" ); IplImage* out = cvCreateImage( cvGetSize(img), IPL_DEPTH_8U, 3 ); cvNamedWindow( name, 1 );

get socket error string when async connect fails

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问题 anybody knows if its possible to retrieve some error info (like getsockopt SO_ERROR in C) if an async connect like the following fails btw: im not using the socket extension cause streams provide an ssl wrapper <?php $ctx = stream_context_create(); stream_context_set_params($ctx, array("notification" => "stream_notification_callback")); $destination = "tcp://92.247.12.242:8081"; $socket = stream_socket_client($destination, $errno, $errstr, 10, STREAM_CLIENT_CONNECT | STREAM_CLIENT_ASYNC

PDO cannot connect remote mysql server

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问题 server A(192.168.1.3) mysql server(5.6.12) port 6603,socket /var/run/mysql/mysql.sock php(5.5.0) php.ini pdo_mysql.default_socket = /var/run/mysql/mysql.sock server B(192.168.1.4) mysql server(5.5.11) port 3306,socket /var/run/mysql/mysql.sock In server A is work when use $conn = new PDO('mysql:hostname=localhost;dbname=DB_TEST','username','password'); but cannot connect to server B when use $conn = new PDO('mysql:hostname=192.168.1.4;dbname=DB_TEST;port=3306','username','password'); ERROR

Stripe is charging only 1% of the amount - test mode

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问题 I am implementing Stripe connect to charge a customer and then transfer commission to another associated account but I am stuck at the first step. I have successfully taken card details of the customer and using stripe.js, I have tokenized it and then exchanged that token for a customer id which I saved in my DB. Now for charging I am using: $charge = \Stripe\Charge::create([ "amount" => 774, "currency" => "usd", "customer" => $customerId, "transfer_group" => $uniqueTransferString ]); Now

Copy files from SFTP with CMD

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问题 We have a customer with their SFTP site, and I would like to copy files from specific folder, by using any automated process. One of the example which I found, is winscp.net , but I have not managed how to use it, for my purpose. http://www.itworld.com/article/2928599/windows/how-to-automate-sftp-file-transfers-in-microsoft-windows.html QUESTION: All I will need is not run script and the file should be copied from their directory to my local folder. Is it possible at all? I found the way of

grails renderpdf plugin, how does it work?

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问题 i´m trying to render PDF with renderpdf grails plugin, but their documentation is very short. i made a button in my gsp view/file <button type="button">PDF Me!</button> and ByteArrayOutputStream bytes = pdfRenderingService.render(template: "/pdfs/report", model: [data: data]) in a view for binding images <rendering:inlinePng bytes="${imageBytes}" class="some-class" /> model data is domainInstance and how do i connect the button with this renderpdf? may be i should more specify my code def