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Should a “static final Logger” be declared in UPPER-CASE?

...aph 3.3 Field Naming Names of fields being used as constants should be all upper-case, with underscores separating words. The following are considered to be constants: All static final primitive types (Remember that all interface fields are inherently static final). All static final ob...
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How to call Base Class's __init__ method from the child class? [duplicate]

... If you pass BaseClass to super, it'll skip over BaseClass and call object.__init__, which is almost certainly not what you want. – abarnert Oct 6 '13 at 7:29 1 ...
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What is the formal difference in Scala between braces and parentheses, and when should they be used?

...ut this, but I gave up in the end, as the rules are somewhat diffuse. Basically, you’ll have to get the hang of it. Perhaps it is best to concentrate on where curly braces and parenthesis can be used interchangeably: when passing parameters to method calls. You may replace parenthesis with curly b...
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How to use filter, map, and reduce in Python 3

... longer return lists: [...] map() and filter() return iterators. If you really need a list, a quick fix is e.g. list(map(...)), but a better fix is often to use a list comprehension (especially when the original code uses lambda), or rewriting the code so it doesn’t need a list at all. Particular...
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How can I make setInterval also work when a tab is inactive in Chrome?

...o get the elapsed time since the start instead of the end of the previous call. This is usually what you want when animating things. As it is now, if an execution of the interval function takes 15ms, elapsedTime will give 35ms (instead of 50ms which is the interval) next time it is called (when the ...
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How to clear the interpreter console?

Like most Python developers, I typically keep a console window open with the Python interpreter running to test commands, dir() stuff, help() stuff , etc. ...
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Why aren't python nested functions called closures?

...s in Python, and they match the definition of a closure. So why are they called nested functions instead of closures ? ...
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廉价共享存储解决方案1-drbd+ha+nfs - 更多技术 - 清泛网 - 专注C/C++及内核技术

...缓存的情况下可能会报目录不存在的错误,无视 yum clean all yum makecache 3安装drbd(share1和2上操作) 3.1 准备编译环境 yum -y install gcc make automake autoconf flex rpm-build kernel-devel 3.2 上传解压源文件 利用xftp 把 drbd-8.4.6.tar.gz,d...
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How to watch for array changes?

...ent } return n; } }); 1 Alternatively, if you'd like to target all arrays, you could override Array.prototype.push(). Use caution, though; other code in your environment may not like or expect that kind of modification. Still, if a catch-all sounds appealing, just replace myArray with Ar...
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What optimizations can GHC be expected to perform reliably?

...has a lot of optimizations that it can perform, but I don't know what they all are, nor how likely they are to be performed and under what circumstances. ...