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How to “EXPIRE” the “HSET” child key in redis?

I need to expire all keys in redis hash, which are older than 1 month. 11 Answers 11 ...
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What is process.env.PORT in Node.js?

...t may independently configure the process.env.PORT variable for you; after all, your script runs in their environment. Amazon's Elastic Beanstalk does this. If you try to set a static port value like 3000 instead of process.env.PORT || 3000 where 3000 is your static setting, then your application w...
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fstream默认不支持中文路径和输出整数带逗号的解决办法 - C/C++ - 清泛网 -...

... i << "/n"; //输出带逗号 outfile.close(); setlocale( LC_ALL, "C" ); //恢复全局locale,如果不恢复,可能导致cout无法输出中文 } 创建文件成功,在程序的“测试”文件下出现个test.txt文件。需要注意的是最后需要调用setlocale( ...
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Extract a substring according to a pattern

... sub to replace it with a colon first. For example, if the separator were _ then string &lt;- sub("_", ":", string) c(read.dcf(textConnection(string))) ## [1] "E001" "E002" "E003" 7) separate 7a) Using tidyr::separate we create a data frame with two columns, one for the part before the colon and o...
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How to iterate for loop in reverse order in swift?

... an array with one trillion Ints! Test: var count = 0 for i in lazy(1...1_000_000_000_000).reverse() { if ++count &gt; 5 { break } println(i) } For Swift 2.0 in Xcode 7: for i in (1...10).reverse() { print(i) } Note that in Swift 2.0, (1...1_000_000_000_000).reverse(...
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Get hours difference between two dates in Moment Js

... How does this have so many votes when all it does is make the OP aware of a typo that most IDE's would reveal to you anyway ( imgur.com/a/ikyayIL ). SO rep is first in best dressed while others work for scraps smh. Oh you fixed a typo.. here's 4.7k rep ...
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How to disassemble one single function using objdump?

I've got a binary installed on my system, and would like to look at the disassembly of a given function. Preferrably using objdump , but other solutions would be acceptable as well. ...
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jQuery find events handlers registered with an object

..." $.each(event, function(j, h) { // h.handler is the function being called }); }); Here's an example you can play with: $(function() { $("#el").click(function(){ alert("click"); }); $("#el").mouseover(function(){ alert("mouseover"); }); $.each($._data($("#el")[0], "events")...
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Virtual member call in a constructor

I'm getting a warning from ReSharper about a call to a virtual member from my objects constructor. 18 Answers ...
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ValueError: setting an array element with a sequence

...9 when building an array of objects (not necessarily lists) that implement __getitem__ as specified here:github.com/numpy/numpy/issues/5100 – dashesy Nov 21 '14 at 19:13 add a...