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汇编常用寄存器及指令基础总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
...）：数据段寄存器
SS（Stack Segment）：堆栈段寄存器
ES（Extra Segment）：附加段寄存器
特殊功能的寄存器：
IP（Intruction Pointer）：指令指针寄存器，与CS配合使用，可跟踪程序的执行过程
SP（Stack Pointer）：堆栈指针，与SS配...
TCP vs UDP on video stream
I just came home from my exam in network-programming, and one of the question they asked us was "If you are going to stream video, would you use TCP or UDP? Give an explanation for both stored video and live video-streams" . To this question they simply expected a short answer of TCP for stored vid...
整合phpcms v9和discuz X3.2实现同步登陆、退出免激活 - 更多技术 - 清泛网...
...装路径，视实际情况而定，最后不要带斜线）
应用 IP：（选填，正常情况下留空即可。如果由于域名解析问题导致 UCenter 与该应用通信失败，请尝试设置为该应用所在服务器的 IP 地址。）
通信密钥：（必填，phpcms 的通...
Bitwise operation and usage
...hexadecimal colours.
For example, here's a Python function that accepts a String like #FF09BE and returns a tuple of its Red, Green and Blue values.
def hexToRgb(value):
# Convert string to hexadecimal number (base 16)
num = (int(value.lstrip("#"), 16))
# Shift 16 bits to the right, a...
Permission denied (publickey) when SSH Access to Amazon EC2 instance [closed]
...m/AWSEC2/latest/UserGuide/AccessingInstancesLinux.html
Use the ssh command to connect to the instance. You'll specify the private key (.pem) file and user_name@public_dns_name. For Amazon Linux, the user name is ec2-user. For RHEL5, the user name is either root or ec2-user. For Ubuntu, the user ...
Difference between TCP and UDP?
What is the difference between TCP and UDP?
12 Answers
12
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HTTP Basic Authentication credentials passed in URL and encryption
... @Brandon was probably thinking "in URL" meant in the query string (eg, ?user=bob&pw=123hackmeplz) . That could end up in the server logs.
– Mike Graf
Jun 24 '13 at 22:49
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Why does an SSH remote command get fewer environment variables then when run manually? [closed]
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Having to always type extra code just to source the environment is ridiculous!
– Michael
Jan 8 '13 at 16:37
4
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How to detect the physical connected state of a network cable/connector?
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grep "" eth0/* is so elegant and easy, thanks! :) With the -s switch grep will not complain about the directories.
– Ray
Apr 10 '15 at 10:17
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UDP vs TCP, how much faster is it? [closed]
...gh, a missing or 'rearranged' packet is critical. You'd have to write some extra code to run on top of UDP to retry if things got missed, and enforce correct order. This would add a small bit of overhead in certain places.
Thankfully, some very very smart people have done this, and they called it T...