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Getting the difference between two sets
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Try this
test2.removeAll(test1);
Set#removeAll
Removes from this set all of its elements that are contained in the specified collection (optional operation). If the specified collection is also a set, this operation effectively modifies thi...
How JavaScript closures are garbage collected
...e expected behavior.
From Mozilla's Memory management page: "As of 2012, all modern browsers ship a mark-and-sweep garbage-collector." "Limitation: objects need to be made explicitly unreachable".
In your examples where it fails some is still reachable in the closure. I tried two ways to make it...
jQuery disable/enable submit button
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This works, but seems to leave out the css. For example, calling $("#loginButton").button(); on input id="loginButton" type="submit" name="Submit" value="Login" disabled> will show a disabled button with css disabled classes.
– Gaʀʀʏ
Sep ...
Best practices for API versioning? [closed]
...e same time the most prominent part of a REST API and, therefore, a potentially long-term commitment towards the users of that API.
Since evolution of an application and, to a lesser extent, its API is a fact of life and that it's even similar to the evolution of a seemingly complex product like a ...
What are transparent comparators?
..., not by default.
The new member function template overloads of find etc. allow you to use a type that is comparable with the container's key, instead of using the key type itself. See N3465 by Joaquín Mª López Muñoz for rationale and a detailed, carefully written proposal to add this feature....
Writing unit tests in Python: How do I start? [closed]
.... It is standard which means that it's kind of guaranteed to work well. Finally, anyone who uses your code doesn't need to install extra packages.
– Jeyekomon
Jul 6 '18 at 15:04
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Logstash实践: 分布式系统的日志监控 - 更多技术 - 清泛网 - 专注C/C++及内核技术
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output {
file {
path => "/data/log/logstash/all.log" # 指定写入文件路径
message_format => "%{host} %{message}" # 指定写入格式
flush_interval => 0 # 指定刷新间隔，0代表实时写入
}
}
如...
How can I view MSIL / CIL generated by C# compiler? Why is it called assembly?
...e (Native code). High level code is converted into intermediate language (called MSIL aka CIL). But when I compile, I get an exe/Dll file.
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What is the performance of Objects/Arrays in JavaScript? (specifically for Google V8)
Performance associated with Arrays and Objects in JavaScript (especially Google V8) would be very interesting to document. I find no comprehensive article on this topic anywhere on the Internet.
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Rotated elements in CSS that affect their parent's height correctly
...sting things in CSS, it requires a little cunning. My solution also technically invokes undefined behaviour according to the CSS 2 spec - so while I've tested and confirmed that it works in Chrome, Firefox, Safari, and Edge, I can't promise you that it won't break in a future browser release.
Short...