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TCP: can two different sockets share a port?
...criminated not only by source/destination port/IP, but also by a protocol (TCP, UDP etc.), if I am not mistaken.
– Ondrej Peterka
Apr 27 '14 at 15:00
2
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Difference between Char.IsDigit() and Char.IsNumber() in C#
...igits include 0x00b2 and 0x00b3 which are superscripted 2 and 3 ('²' and '³') and the glyphs that are fractions such as '¼', '½', and '¾'.
Note that there are quite a few characters that IsDigit() returns true for that are not in the ASCII range of 0x30 to 0x39, such as these Thai digit charac...
In PHP, how to detect the execution is from CLI mode or through browser ? [duplicate]
... This used to be a link only answer until someone copied @Linus Unnebäck's answer. Bad habbit! Downvote this one, upvote the other one...
– Gottlieb Notschnabel
Apr 1 '15 at 13:55
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Why am I getting “Cannot Connect to Server - A network-related or instance-specific error”?
...L to ascertain if your server is included in your network list.
Enable TCP/IP in SQL Server Configuration
When two or more SQL Servers are connected across network they do all communication using TCP/IP. The default port of SQL Server installation is 1433. This port can be changed through S...
CSS '>' selector; what is it? [duplicate]
...ered Dec 16 '10 at 10:44
David MårtenssonDavid Mårtensson
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Enable remote connections for SQL Server Express 2012
...iscovered was here:
How do I configure SQL Server Express to allow remote tcp/ip connections on port 1433?
Run SQL Server Configuration Manager.
Go to SQL Server Network Configuration > Protocols for SQLEXPRESS.
Make sure TCP/IP is enabled.
So far, so good, and entirely expected. But then:
...
How can I debug javascript on Android?
...ered Oct 13 '11 at 7:20
Mads MobækMads Mobæk
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On design patterns: When should I use the singleton?
The glorified global variable - becomes a gloried global class. Some say breaking object-oriented design.
19 Answers
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9个常用iptables配置实例 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...的包丢弃：
BLOCK_THIS_IP="x.x.x.x"
iptables -A INPUT -i eth0 -p tcp -s "$BLOCK_THIS_IP" -j DROP
以上命令设置将由x.x.x.x ip发往eth0网口的tcp包丢弃。
4.配置服务项
利用iptables，我们可以对日常用到的服务项进行安全管理，比如设定只能通过...
How can I override Bootstrap CSS styles?
...Dec 21 '13 at 17:04
Markus KottländerMarkus Kottländer
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