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Reading specific lines only

... loop to read a file, but I only want to read specific lines, say line #26 and #30. Is there any built-in feature to achieve this? ...
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How to deal with persistent storage (e.g. databases) in Docker

... Docker 1.9.0 and above Use volume API docker volume create --name hello docker run -d -v hello:/container/path/for/volume container_image my_command This means that the data-only container pattern must be abandoned in favour of the ne...
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Remove all subviews?

...h thanks to cocoafan: This situation is muddled up by the fact that NSView and UIView handle things differently. For NSView (desktop Mac development only), you can simply use the following: [someNSView setSubviews:[NSArray array]]; For UIView (iOS development only), you can safely use makeObjects...
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Difference between .on('click') vs .click()

...s. I would prefer .on over .click because the former can use less memory and work for dynamically added elements. Consider the following html: <html> <button id="add">Add new</button> <div id="container"> <button class="alert">alert!</button> ...
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Python: Why is functools.partial necessary?

...h lambdas? Not much in terms of extra functionality (but, see later) – and, readability is in the eye of the beholder. Most people who are familiar with functional programming languages (those in the Lisp/Scheme families in particular) appear to like lambda just fine – I say "most", definitely...
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What is string_view?

... The purpose of any and all kinds of "string reference" and "array reference" proposals is to avoid copying data which is already owned somewhere else and of which only a non-mutating view is required. The string_view in question is one such pro...
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How to set or change the default Java (JDK) version on OS X?

... @MattO'Brien it’s something which depends on the shell you’re using, and the configuration you have in place, so I can’t give a complete solution for that… – markhellewell Nov 14 '14 at 2:25 ...
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How can I know which parts in the code are never used?

..., it's much more difficult. Statically it requires whole program analysis, and even though link time optimization may actually remove dead code, in practice the program has been so much transformed at the time it is performed that it is near impossible to convey meaningful information to the user. ...
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Getting All Variables In Scope

...nk to the official page where you can download the canonical spec (a PDF), and here's one to the official, linkable HTML version. Update based on your comment to Camsoft The variables in scope for your event function are determined by where you define your event function, not how they call it. But...
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How can I install a .ipa file to my iPhone simulator

...was downloaded via the iTunes store it was built for a different processor and won't work in the simulator. share | improve this answer | follow | ...