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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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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...
Get spinner selected items text?
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have posted my question here stackoverflow.com/questions/5818850/…
– Harsha M V
Apr 29 '11 at 15:46
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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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PHP: merge two arrays while keeping keys instead of reindexing?
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@Flion it's more complicated than that. Using '+', I have just added two sub-arrays with an element with a common key and subkey: the values got added! 100000 => array (size=3) 1 => int 128 2 => int 56 3 =&g...
If I revoke an existing distribution certificate, will it mess up anything with existing apps?
...till hesitant.
About Enterprise Developer accounts:
With thanks to Mike's comment
An App store app gets resigned with an Apple certificate when it goes on the store. Revoking the cert in the provisioning portal therefore won't affect it. Enterprise apps use the original certificate, which means re...