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Why not use Double or Float to represent currency?

...ntation as an integer times a power of 2. In fact, the only multiples of 0.01 between 0 and 1 (which are significant when dealing with money because they're integer cents) that can be represented exactly as an IEEE-754 binary floating-point number are 0, 0.25, 0.5, 0.75 and 1. All the others are off...
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Java Date vs Calendar

.... For example, a constant Date in the application (examples: the zero 1970/01/01, or an applicative END_OF_TIME that you set to 2099/12/31 ; those are very useful to replace null values as start time and end time, especially when you persist them in the database, as SQL is so peculiar with nulls). ...
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Compare two DataFrames and output their differences side-by-side

... Date 111 Jack True 2013-05-01 12:00:00 112 Nick 1.11 False 2013-05-12 15:05:23 Zoe 4.12 True ''', '''\ id Name score ...
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How to get the number of days of difference between two dates on mysql?

... the calculation In your case, you'd use : mysql> select datediff('2010-04-15', '2010-04-12'); +--------------------------------------+ | datediff('2010-04-15', '2010-04-12') | +--------------------------------------+ | 3 | +--------------------------------...
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How to set a default value for a datetime column to record creation time in a migration?

... like this: create table foo ( starts_at timestamp not null default '2009-01-01 00:00:00'); but I think that it is not what you want. share | improve this answer | follow ...
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“Rate This App”-link in Google Play store app on the phone

... | edited Aug 10 at 12:01 Kishan Solanki 6,73722 gold badges3939 silver badges4444 bronze badges answ...
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Input with display:block is not a block, why not?

...nts' padding and/or borders. <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html;charset=utf-8"> <title>Cross-browser CSS box-sizing:border-box&...
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How to add items to a spinner in Android?

... XML file: <Spinner android:id="@+id/Spinner01" android:layout_width="wrap_content" android:layout_height="wrap_content"/> Java file: public class SpinnerExample extends Activity { @Override public void onCreate(Bundle savedInstanceState) { ...
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Unresolved specs during Gem::Specification.reset:

... answered Jan 7 '15 at 6:01 Pieter van der MerwePieter van der Merwe 1,95811 gold badge1212 silver badges1010 bronze badges ...
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Maven Install on Mac OS X

...vn -version and see some output like this: Apache Maven 3.0.3 (r1075438; 2011-02-28 12:31:09-0500) Maven home: /usr/share/maven Java version: 1.6.0_29, vendor: Apple Inc. Java home: /System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Home Default locale: en_US, platform encoding: MacRoman O...