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How do you run multiple programs in parallel from a bash script?
...jobs print at the same time, GNU Parallel will make sure the output is not mixed.
– Ole Tange
Dec 25 '18 at 2:44
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What are the differences between a UIView and a CALayer?
...oth have most of the same attributes, both support different kind of animations, both represent different data.
What are the differences between a UIView and a CALayer?
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Does Dispose still get called when exception is thrown inside of a using statement?
In the example below, is the connection going to close and disposed when an exception is thrown if it is within a using statement?
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How to read a local text file?
... of: URL schemes, Redirects, Cross-origin semantics, CSP, Service workers, Mixed Content, Referer". I guess this means goodbye to good ol'FileReaders and HttpRequests (and I won't miss them a bit ;)
– Armfoot
Oct 25 '17 at 17:17
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How do I change tab size in Vim?
... (or 3 or whatever you prefer) and use 'noexpandtab'. Then Vim will use a mix of tabs and spaces, but typing and will behave like a tab appears every 4 (or 3) characters.
Set 'tabstop' and 'shiftwidth' to whatever you prefer and use 'expandtab'. This way you will always insert spaces. The form...
Virtual functions and performance - C++
In my class design, I use abstract classes and virtual functions extensively. I had a feeling that virtual functions affects the performance. Is this true? But I think this performance difference is not noticeable and looks like I am doing premature optimization. Right?
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Why seal a class?
...y into callers as to exactly what they'll be calling into. It also doesn't mix well with immutability (which I'm a fan of). I only find class inheritance useful in a relatively small number of places (whereas I love interfaces).
– Jon Skeet
Jul 21 '11 at 19:46
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Read logcat programmatically within application
I want to read and react to logcat logs within my application.
6 Answers
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How can I call controller/view helper methods from the console in Ruby on Rails?
...iew methods that your helper likely uses. Then extending YourHelperModule mixes its methods into your object letting you view their return values.
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Removing all non-numeric characters from string in Python
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Just to add another option to the mix, there are several useful constants within the string module. While more useful in other cases, they can be used here.
>>> from string import digits
>>> ''.join(c for c in "abc123def456" if c in digits)...