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ZMQ: 基本原理 - 开源 & Github - 清泛网 - 专注C++内核技术
...息。 拓扑建立和消息路由的分离很好地映射到BSD套接字API上（bind/connect和send/recv)。 现在，学术方面的争论甚至更加重要。使用ØMQ该做什么，不该做什么。 底层的协议,比如TCP,允许你发送数据给特定的终端节点。ØMQ构建在底层...
CSS selector for first element with class
...t achieve the same thing with a single selector for use with the Selectors API, or Selenium's CSS locators.
It's worth mentioning that Selectors 4 introduces an extension to the :nth-child() notation (originally an entirely new pseudo-class called :nth-match()), which will allow you to use somethin...
Differences between ExpandoObject, DynamicObject and dynamic
... What would be a good place to learn more about this ? Not the API but the why behind the API ? e.g. Why doesn't ExpandoObject derive from DynamicObject, which looks the defacto base type for ruby's 'method_missing' based programming.
– Gishu
Jun 14...
How can I deploy/push only a subdirectory of my git repo to Heroku?
...oduction
The solution
The app in question has 4 projects in git root:
api - depending on the profile will run on 2 different heroku hosts - upload and api
web - the website
web-old - the old website, still in migration
common - the common components extracted in an engine
All of the projects ...
Should I avoid the use of set(Preferred|Maximum|Minimum)Size methods in Java Swing?
...context? For what purposes?
I don't know, personally I think of it as an API design accident. Slightly forced by compound components having special ideas about child sizes. "Slightly", because they should have implemented their needs with a custom LayoutManager.
What exactly are the negative co...
What is the difference between server side cookie and client side cookie?
... purists may argue that this is not the proper way for implementing a REST API.
– Zlatin Zlatev
Jan 17 '19 at 11:07
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show 9 more comments
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STL or Qt containers?
...yle iterators
are streamable with QDataStream
are used extensively in Qt's API
have a stable implementation across operating systems. A STL implementation must obey the C++ standard, but
is otherwise free to do as it pleases (see the std::string COW controversy). Some STL implementations are especia...
In Firebase, is there a way to get the number of children of a node without loading all the node dat
... how I might implement it.
This hinges on the fact that the Firebase REST API offers a shallow=true parameter.
Assume you have a post object and each one can have a number of comments:
{
"posts": {
"$postKey": {
"comments": {
...
}
}
}
}
You obviously don't want to fetch all...
What MIME type should I use for CSV?
...
For anyone struggling with Google API mimeType for *.csv files.
I have found the list of MIME types for google api docs files
(look at snipped result)
<table border="1"><thead><tr><th>Google Doc Format</th><th>Conversio...
Timer function to provide time in nano seconds using C++
I wish to calculate the time it took for an API to return a value.
The time taken for such an action is in the space of nano seconds. As the API is a C++ class/function, I am using the timer.h to caculate the same:
...