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Wait for a process to finish

... Who would have known that tail would do this. – ctrl-alt-delor Jul 30 '17 at 15:06 8 ...
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Cast Int to enum in Java

...lain why you regard MyEnum.values()[x] as an expensive operation. I don't know how it works in details, but to me it seems like accessing an element in an Array would be no big deal, aka constant time. If the array has to be build it takes O(n) time, which is the same runnning time as your solution....
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'and' (boolean) vs '&' (bitwise) - Why difference in behavior with lists vs numpy arrays?

...d b is almost the same as b if a else a, except a is evaluated only once. Now sit for a few minutes with a pen and paper, and convince yourself that when {a,b} is a subset of {True,False}, it works exactly as you would expect of Boolean operators. But I hope I have convinced you it is much more gen...
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What are the differences between Mustache.js and Handlebars.js?

...ilers (JavaScript, Ruby, Python, C, etc.). Handlebars began in JavaScript, now there are projects like django-handlebars, handlebars.java, handlebars-ruby, lightncandy (PHP), and handlebars-objc. share | ...
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How can I link to a specific glibc version?

...time objects were used, which is bad as mentioned previously, but I don't know how to work around it, e.g. it contains: COLLECT_GCC_OPTIONS=/usr/lib/gcc/x86_64-linux-gnu/7/../../../x86_64-linux-gnu/crt1.o Setup 1: modify glibc Now let's modify glibc with: diff --git a/nptl/thrd_create.c b/nptl/...
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All Ruby tests raising: undefined method `authenticate' for nil:NilClass

...er! function is part of Rails 3 (using the new devise feature, of which I know little about). If the app can't find the User model (either because of namespace issues or whatever reason) then the method will fail. The "enki" application you linked to is now a Rails 3 application. It could be expe...
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ruby 1.9: invalid byte sequence in UTF-8

...?)"/i) instead of nokogiri/hpricot (major speedup). The problem is that I now receive a lot of " invalid byte sequence in UTF-8 " errors. From what I understood, the net/http library doesn't have any encoding specific options and the stuff that comes in is basically not properly tagged. What ...
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asynchronous vs non-blocking

...Window messages, whereas .NET asynchronous IO is free-threaded (you don't know what thread your callback will be called on). So they don't always mean the same thing. To distil the socket example, we could say: Blocking and synchronous mean the same thing: you call the API, it hangs up the thread...
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Object reference not set to an instance of an object.Why doesn't .NET show which object is `null`?

...is will throw a NullReferenceException in the second line and you want to know why .NET doesn't tell you that it was s that was null when the exception was thrown. To understand why you don't get that piece of information you should remember that it is not C# source that executes but rather IL: I...
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What is Activity.finish() method doing exactly?

...em does what it has to. on the other hand, finish() just lets the system know that the programmer wants the current Activity to be finished. And hence, it calls up onDestroy() after that. Something to note: it isn't necessary that only a call to finish() triggers a call to onDestroy(). No. As we ...