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Sync data between Android App and webserver [closed]
... data changes on the server. You can use C2DM or write your own persistent tcp based communication. The tcp approach is a lot seamless
A way to replicate data changes across multiple devices
And last but not the least, a way to detect and handle conflicts
Hope this helps as a good starting point....
How to get the client IP address in PHP [duplicate]
...
Note: REMOTE_ADDR might not contain the real IP of the TCP connection. This entirely depends on your SAPI. Ensure that your SAPI is properly configured such that $_SERVER['REMOTE_ADDR'] actually returns the IP of the TCP connection. Failing that might give rise to some serious vu...
Can you explain the HttpURLConnection connection process?
...as confused before between the 'UrlConnection' instance and the underlying Tcp/Ip/SSL connection, 2 separate concepts. The former is basically synonymous with a single HTTP page request. The latter is something that hopefully will be created once only if you're doing multiple page requests to the s...
Why should I use Google's CDN for jQuery?
...h the average web page now makes 93 of – but also every DNS lookup
and TCP connection... While average RTTs are improving, there are only
small additional gains to be had, as current networks are within a
small factor of the theoretical limit dictated by physics."
He also cites this post f...
你真的了解熊市有多么可怕吗？ - 创意 - 清泛网 - 专注C/C++及内核技术
...是败家子的象征，是脑子进水了。
我2001年25元买的东方通信，最后一次看的时候是1.97元。现在大家还沉浸在牛市习惯性思维中，再过二个月，估计没人敢抄底了，新股民资金腰斩的人数会越来越庞大。
股票天天跌！股评家就...
What's the difference between Jetty and Netty?
...ients. It greatly simplifies and streamlines network programming
such as TCP and UDP socket server.
So Netty is focusing on helping to write NIO/non-blocking, asynchronous network programs.
If you deal a lot with network protocols and want it to be non-blocking use Netty (usually for high-perf...
git:// protocol blocked by company, how can I get around that?
... (192.30.252.131)
Host is up (0.24s latency).
PORT STATE SERVICE
80/tcp open http
9418/tcp filtered git
# Using Netcat:
# Returns 0 if the git protocol port IS NOT blocked
# Returns 1 if the git protocol port IS blocked
$ nc github.com 9418 < /dev/null; echo $?
1
# Using CURL
# Ret...
C# How can I check if a URL exists/is valid?
...ps you can refine the solution by differentiating between different cases (TCP connection failure - host refuses connection, 5xx - Something fatal happened, 404 - Resource not found etc). Have a look at the Status property of WebException ;)
– David Taylor
May ...
How do you specify a different port number in SQL Management Studio?
...ecting to it, then you may need to specify the protocol as well.
Example: tcp:192.168.1.21\SQL2K5,1443
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MySQL show current connection info
...ver (GPL)
Protocol version: 10
Connection: localhost via TCP/IP
Server characterset: latin1
Db characterset: latin1
Client characterset: gbk
Conn. characterset: gbk
TCP port: 3306
Uptime: 7 min 16 sec
Threads: 1 Questions: 21 Slow q...