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ZeroMQ的学习和研究（PHP代码实例） - C/C++ - 清泛网 - 专注C/C++及内核技术
... Hello World server
* Binds REP socket to tcp://*:5555
* Expects "Hello" from client, replies with "World"
* @author Ian Barber <ian (dot) barber (at) gmail (dot) com>
*/
$context = new ZMQContext (1);
// Socket to talk to clients
$responder = new ZMQSocket ($context, ZMQ::SOCKET_REP);
$resp...
Where does Vagrant download its .box files to?
...ere are two ways to retrieve the actual box file:
Download the .box file from vagrantcloud.com
Find the box you're interested in on the atlas. For example,
https://atlas.hashicorp.com/ubuntu/boxes/trusty64/versions/20150530.0.1
Replace the domain name with vagrantcloud.com. So https://atlas.h...
Asynchronous shell commands
... script in the background:
$ myscript &
Note that this is different from putting the & inside your script, which probably won't do what you want.
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object==null or null==object?
I heard from somebody that null == object is better than object == null check
11 Answers
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CoffeeScript on Windows?
...DATE: See my other answer to this question, How can I compile CoffeeScript from .NET? for a far more accurate and up-to-date list of the current options.
CoffeeScript-Compiler-for-Windows works well.
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.htaccess not working apache
I have a server from AWS EC2 service running on Linux ubuntu and I have installed apache, php, and mysql.
12 Answers
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How to replace strings containing slashes with sed?
...se any punctuation, not only slashes. A common alternative is s@foo@bar@, from which it becomes obvious how to solve your problem.
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How do I allow HTTPS for Apache on localhost?
... I wonder how safe/dangerous is downloading *.crt *.key files from untrusted source instead of generating your own.
– Petr Peller
Apr 12 '16 at 16:22
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How do Trigonometric functions work?
...ar the evaluation point; the error generally zooms upwards as you get away from it. And if you have a function with any noncontinuous derivative (e.g. square waves, triangle waves, and their integrals), a Taylor series will give you the wrong answer.
The best "easy" solution, when using a polynomia...
How do I load the contents of a text file into a javascript variable?
...it's on a different domain, same-origin security policies will prevent you from reading the result.
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