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How and when to use ‘async’ and ‘await’

...mpiler will give a warning if we remove the await. Stephen Cleary's blog post blog.stephencleary.com/2011/09/… gives an execellent of the design discussions. – shelbypereira Dec 4 '15 at 10:33 ...
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Graphical DIFF programs for linux [closed]

... linux , though. We're running SUSE linux on our z800 mainframe. I'd be most grateful if I could get a few pointers to what programs everyone else likes. ...
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Repeat command automatically in Linux

Is it possible in Linux command line to have a command repeat every n seconds? 13 Answers ...
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What is the “volatile” keyword used for?

... edited Aug 12 '15 at 19:16 akjoshi 14.1k1313 gold badges9292 silver badges116116 bronze badges answered Aug 7 '10 at 14:26 ...
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PostgreSQL error 'Could not connect to server: No such file or directory'

...m getting this error when I run rake db:migrate in my project or even try most database tasks for my Ruby on Rails 3.2 applications. ...
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open read and close a file in 1 line of code

... You don't really have to close it - Python will do it automatically either during garbage collection or at program exit. But as @delnan noted, it's better practice to explicitly close it for various reasons. So, what you can do to keep it short, simpl...
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Understanding the meaning of the term and the concept - RAII (Resource Acquisition is Initialization

... resource is anything that needs cleanup after use. Studies of projects across many platforms show the majority of bugs are related to resource management - and it's particularly bad on Windows (due to the many types of objects and allocators). In C++, resource management is particularly complicate...
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Detecting taps on attributed text in a UITextView in iOS

...ed to help others a little more. Following on from Shmidt's response it's possible to do exactly as I had asked in my original question. 1) Create an attributed string with custom attributes applied to the clickable words. eg. NSAttributedString* attributedString = [[NSAttributedString alloc] init...
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Is R's apply family more than syntactic sugar?

... sapply function in snow: library(snow) cl <- makeSOCKcluster(c("localhost","localhost")) parSapply(cl, 1:20, get("+"), 3) This example uses a socket cluster, for which no additional software needs to be installed; otherwise you will need something like PVM or MPI (see Tierney's clustering pag...
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How do I read a text file of about 2 GB? [duplicate]

I have a .txt file whose memory is more than 2 GB. The problem is I cannot open it with Notepad, Notepad++ or any other editor programs. ...