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Clang optimization levels
...dvars -loop-idiom -loop-deletion -loop-unroll -memdep -memcpyopt -sccp -demanded-bits -bdce -dse -postdomtree -adce -barrier -rpo-functionattrs -globaldce -float2int -loop-accesses -loop-distribute -loop-vectorize -loop-load-elim -alignment-from-assumptions -strip-dead-prototypes -loop-sink -instsim...
Cannot refer to a non-final variable inside an inner class defined in a different method
...TheSoul points out.
This is why it doesn't work:
The variables lastPrice and price are local variables in the main() method. The object that you create with the anonymous class might last until after the main() method returns.
When the main() method returns, local variables (such as lastPrice and...
Please explain the exec() function and its family
What is the exec() function and its family? Why is this function used and how does its work?
7 Answers
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What does “|=” mean? (pipe equal operator)
I tried searching using Google Search and Stack Overflow, but it didn't show up any results. I have seen this in opensource library code:
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Go Unpacking Array As Arguments
So in Python and Ruby there is the splat operator (*) for unpacking an array as arguments. In Javascript there is the .apply() function. Is there a way of unpacking an array/slice as function arguments in Go? Any resources for this would be great as well!
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Constructor overloading in Java - best practice
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While there are no "official guidelines" I follow the principle of KISS and DRY. Make the overloaded constructors as simple as possible, and the simplest way is that they only call this(...). That way you only need to check and handle the parameters once and only once.
public class Simple {
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Learning to write a compiler [closed]
...lf and a bottom-one. The top-half generally takes the source language and converts it into an intermediate representation, and the bottom half takes care of the platform specific code generation.
Nonetheless, one idea for an easy way to approach this topic (the one we used in my compilers class, a...
Is Using .NET 4.0 Tuples in my C# Code a Poor Design Decision?
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Tuples are great if you control both creating and using them - you can maintain context, which is essential to understanding them.
On a public API, however, they are less effective. The consumer (not you) has to either guess or look up documentation, especially for thin...
How do I see the current encoding of a file in Sublime Text?
...ugin you can view the encoding of the file on the status bar. Also you can convert the encoding of the file and extended another functionalities.
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How can I use speech recognition without the annoying dialog in android phones
...nizer is ready to begin listening for speech and as it receives speech and converts it to text.
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