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Float vs Decimal in ActiveRecord
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I remember my CompSci professor saying never to use floats for currency.
The reason for that is how the IEEE specification defines floats in binary format. Basically, it stores sign, fraction and exponent to represent a Float. It's like ...
ElasticSearch - Return Unique Values
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apc vs eaccelerator vs xcache
... @Benjamin User data store can be restored with APCu (github.com/krakjoe/apcu) which is installable and usable alongside ZO.
– Swader
Nov 30 '13 at 13:18
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LLVM C++ IDE for Windows
Is there some C/C++ IDE for Windows, which is integrated with the LLVM compiler (and Clang C/C++ analyzer), just like modern Xcode do.
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Software keyboard resizes background image on Android
...view. Do you have a way to keep the scroll view and keep the background un compressed.
– Rana Ranvijay Singh
Oct 3 '14 at 13:02
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How to convert Set to String[]?
... @sactiw: That's already covered by the other answer. Read the comment on the other answer why this is not recommended.
– BalusC
May 25 '16 at 13:42
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Using Mockito's generic “any()” method
...he argument-less any method and the type argument will get inferred by the compiler:
verify(bar).doStuff(any());
Explanation
The new thing in Java 8 is that the target type of an expression will be used to infer type parameters of its sub-expressions. Before Java 8 only arguments to methods wh...
In OS X Lion, LANG is not set to UTF-8, how to fix it?
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Difference between await and ContinueWith
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In the second code, you're synchronously waiting for the continuation to complete. In the first version, the method will return to the caller as soon as it hits the first await expression which isn't already completed.
They're very similar in that they both schedule a continuation, but as soon as...
C++ error: undefined reference to 'clock_gettime' and 'clock_settime'
... Ubuntu, but I can't seem to get this to work. It works fine on my school computers and I don't know what I am not doing. I have checked usr/include and time.h is there just fine. Here is the code:
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