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MFC Telnet Application（mfc telnet 端口，代码实现、不调用telnet.exe） ...
...s. You may use it for text mode Internet protocols (SMTP, POP, HTTP, WHOIS etc.) for sending, retrieving emails, whois queries, and so on. The application also allows opening ports on local computers for incoming connections.
Background
You need an understanding of Internet protocols to be able to...
MFC Telnet Application（mfc telnet 端口，代码实现、不调用telnet.exe） ...
...s. You may use it for text mode Internet protocols (SMTP, POP, HTTP, WHOIS etc.) for sending, retrieving emails, whois queries, and so on. The application also allows opening ports on local computers for incoming connections.
Background
You need an understanding of Internet protocols to be able to...
Mechanisms for tracking DB schema changes [closed]
...le script, update.php, and a number of files numbered 1.sql, 2.sql, 3.sql, etc. The script uses one extra table to store the current version number of the database. The N.sql files are crafted by hand, to go from version (N-1) to version N of the database.
They can be used to add tables, add column...
If isset $_POST
...d the ! operator in cases like this (easier to read, less chance of error, etc.) and reverse the logic... if (empty()) {/* No */} else {/* Yes */}
– MrWhite
Aug 1 '14 at 10:58
...
How to list all installed packages and their versions in Python?
...p._internal but I cant reach it under help(pip._internal), pip.__builtins_ etc. pip reference guide is also blank.
– MortenB
Sep 10 '18 at 9:48
1
...
Project structure for Google App Engine
... datetime
import logging
import time
from google.appengine.api import urlfetch
from google.appengine.ext.webapp import template
from google.appengine.api import users
from google.appengine.ext import webapp
from models import *
class IndexHandler(webapp.RequestHandler):
def get(self):
date =...
Why does C# forbid generic attribute types?
...y, write lesser code than otherwise required, get benefits of polymorphism etc.
//an interface which means it can't have its own implementation.
//You might need to use extension methods on this interface for that.
public interface ValidatesAttribute<T>
{
T Value { get; } //or whatever t...
What do *args and **kwargs mean? [duplicate]
...to clarify how to unpack the arguments, and take care of missing arguments etc.
def func(**keyword_args):
#-->keyword_args is a dictionary
print 'func:'
print keyword_args
if keyword_args.has_key('b'): print keyword_args['b']
if keyword_args.has_key('c'): print keyword_args['c']
def f...
How do I find the location of the executable in C? [duplicate]
...e path, ie, it contains a /, determine the current working directory with getcwd() and then append argv[0] to it.
If argv[0] is a plain word, search $PATH looking for argv[0], and append argv[0] to whatever directory you find it in.
Note that all of these can be circumvented by the process which i...
How to find the duration of difference between two dates in java?
...
try the following
{
Date dt2 = new DateAndTime().getCurrentDateTime();
long diff = dt2.getTime() - dt1.getTime();
long diffSeconds = diff / 1000 % 60;
long diffMinutes = diff / (60 * 1000) % 60;
long diffHours = diff / (60 * 60 * 1000);
...