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doGet and doPost in Servlets
...atcher("/login.jsp").forward(request, response);
}
}
}
You see, if the User is found in DB (i.e. username and password are valid), then the User will be put in session scope (i.e. "logged in") and the servlet will redirect to some main page (this example goes to http://example.com/con...
ZMQ: 基本原理 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...传输仍然保留它们本身的特性，向上不提供通用、所有都包含的接口。然而，提供最小化接口（尤其是：消息分割，消息分段和消息原子化），并且要求更高层能够统一地处理不同的底层传输的特性。
具体的来说，这意味着传...
ZMQ: 基本原理 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...传输仍然保留它们本身的特性，向上不提供通用、所有都包含的接口。然而，提供最小化接口（尤其是：消息分割，消息分段和消息原子化），并且要求更高层能够统一地处理不同的底层传输的特性。
具体的来说，这意味着传...
How to find out the number of CPUs using python
...unt() # psutil.NUM_CPUS on old versions
except (ImportError, AttributeError):
pass
# POSIX
try:
res = int(os.sysconf('SC_NPROCESSORS_ONLN'))
if res > 0:
return res
except (AttributeError, ValueError):
pass
# Windows
try:
...
Why use Ruby instead of Smalltalk? [closed]
...y is becoming popular , largely from the influence Ruby on Rails, but it feels like it is currently struggling through its adolescence. There are a lot of similarities between Ruby and Smalltalk -- maglev is a testament to that. Despite having a more unusual syntax, Smalltalk has all (if not more...
Small Haskell program compiled with GHC into huge binary
...
Let's see what's going on, try
$ du -hs A
13M A
$ file A
A: ELF 64-bit LSB executable, x86-64, version 1 (SYSV),
dynamically linked (uses shared libs), for GNU/Linux 2.6.27, not stripped
$ ldd A
linux-vdso....
ZMQ: 基本原理 - 开源 & Github - 清泛网移动版 - 专注C/C++及内核技术
...传输仍然保留它们本身的特性，向上不提供通用、所有都包含的接口。然而，提供最小化接口（尤其是：消息分割，消息分段和消息原子化），并且要求更高层能够统一地处理不同的底层传输的特性。
具体的来说，这意味着传...
vbscript output to console
... box. Very convenient and easy to use: technet.microsoft.com/en-us/library/ee156593.aspx
– Gabriel Staples
Jun 22 '17 at 10:45
...
How to use double or single brackets, parentheses, curly braces
...brackets, parentheses, curly braces in Bash, as well as the difference between their double or single forms. Is there a clear explanation?
...
Multiple GitHub Accounts & SSH Config
...
Andy Lester's response is accurate but I found an important extra step I needed to make to get this to work. In trying to get two profiles set up, one for personal and one for work, my ~/.ssh/config was roughly as follows:
Host me.github.com
HostName github.com
PreferredAuthentications pub...