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Determine a user's timezone
...r time zone, not your time zone's offset from GMT. To fix this, simply multiply by -1.
Also note that w3school says:
The returned value is not a constant, because of the practice of using
Daylight Saving Time.
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What is the difference between “expose” and “publish” in Docker?
...orts without exposing them. I tried that. The catch here is that container IP address is unpredictable. I believe that link is used to specify which container you want to connect (so you link to specific container IP), not to enable connection.
– Jiri
Mar 4 '14...
tcp加速技术解决方案 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...支持RSS的网卡，可以根据TCP头部的某些信息位，比如来源ip端口，目标ip端口等，计算一个hash值，然后通过hash值在一个表里找到该数据要排入的接收队列。
Intel Ethernet Flow Director
RSS解决了cpu的单核心负载高的问题，把不同的...
Where is Erlang used and why? [closed]
...It has to route many messages simultaneously, and handle many a lot of TCP/IP connections.
So we have 2 features:
handle many connections
route messages given some aspects of the message
These are examples where erlang shines.
handle many connections
It is very easy to build scalable non-bloc...
Can I run multiple programs in a Docker container?
...
There can be only one ENTRYPOINT, but that target is usually a script that launches as many programs that are needed. You can additionally use for example Supervisord or similar to take care of launching multiple services inside single container. This is an example of a docker container run...
Using a remote repository with non-standard port
...
How can this be done if I have an IP and not a host name? I ask because we haven't linked our host name to our ip yet.
– ThisIsNotAnId
Feb 22 '19 at 23:14
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How do I increase the RAM and set up host-only networking in Vagrant?
...nage-modifyvm
The vagrant documentation has the section on how to change IP address:
Vagrant::Config.run do |config|
config.vm.network :hostonly, "192.168.50.4"
end
Also you can restructure the configuration like this, ending is do with end without nesting it.
This is simpler.
config.vm.defi...
关于php的socket初探 - PHP - 清泛IT论坛，有思想、有深度
...明，都是将socket称作"套接字"，也就是对底层tcp/ip的一种封装，所以要想真正理解socket的原理，就得去深入理解tcp/ip实现网络通信的机制，这属于计算机网络这块的东西，与实际的编程没有太大的关联，这里就不深入说明...
How to RSYNC a single file?
...e:
rsync -avz --progress /var/www/public_html/.htaccess root@<remote-ip>:/var/www/public_html/
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unsigned int vs. size_t
... other bits in the unsigned integer. When we gain one more bit, we are multiplying the range of numbers we can represents by a factor of about two.
So, you ask, why not just use an unsigned int? It may not be able to hold big enough numbers. In an implementation where unsigned int is 32 bits, the ...