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Forward host port to docker container
Is it possible to have a Docker container access ports opened by the host? Concretely I have MongoDB and RabbitMQ running on the host and I'd like to run a process in a Docker container to listen to the queue and (optionally) write to the database.
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Is there a better way to express nested namespaces in C++ within the header
...tructured). Then I came back to C++ and tried to use namespaces the same way but the required syntax is horrible within the header file.
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How to iterate through two lists in parallel?
I have two iterables in Python, and I want to go over them in pairs:
8 Answers
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Error “initializer element is not constant” when trying to initialize variable with const
I get an error on line 6 (initialize my_foo to foo_init) of the following program and I'm not sure I understand why.
5 Answ...
How does the Amazon Recommendation feature work?
What technology goes in behind the screens of Amazon recommendation technology? I believe that Amazon recommendation is currently the best in the market, but how do they provide us with such relevant recommendations?
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Catch multiple exceptions at once?
It is discouraged to simply catch System.Exception . Instead, only the "known" exceptions should be caught.
27 Answers
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Position of least significant bit that is set
I am looking for an efficient way to determine the position of the least significant bit that is set in an integer, e.g. for 0x0FF0 it would be 4.
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TCP 的那些事儿（上） - 更多技术 - 清泛网 - 专注C/C++及内核技术
...Sequence Number（缩写为ISN：Inital Sequence Number）——所以叫SYN，全称Synchronize Sequence Numbers。也就上图中的 x 和 y。这个号要作为以后的数据通信的序号，以保证应用层接收到的数据不会因为网络上的传输的问题而乱序（TCP会用这个...
How to set the prototype of a JavaScript object that has already been instantiated?
Suppose I have an object foo in my JavaScript code. foo is a complex object and it is generated somewhere else. How can I change the prototype of the foo object?
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What is meant by immutable?
...eted execution that instance can't be altered.
This is useful as it means you can pass references to the object around, without worrying that someone else is going to change its contents. Especially when dealing with concurrency, there are no locking issues with objects that never change
e.g.
cla...