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In which order should floats be added to get the most precise result?
...s things somewhat. Consider the case where we're adding single-precision (32 bit) floats, and there are 1 billion values equal to 1 / (1 billion), and one value equal to 1. If the 1 comes first, then the sum will come to 1, since 1 + (1 / 1 billion) is 1 due to loss of precision. Each addition has n...
Why do == comparisons with Integer.valueOf(String) give different results for 127 and 128?
...is returning an Integer object, which may have its values cached between -128 and 127. This is why the first value returns true - it's cached - and the second value returns false - 128 isn't a cached value, so you're getting two separate Integer instances.
It is important to note that you are comp...
How do I remove packages installed with Python's easy_install?
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621
pip, an alternative to setuptools/easy_install, provides an "uninstall" command.
Install pip ...
Android Hello-World compile error: Intellij cannot find aapt
...t set up with an Android development environment using IntelliJ in Ubuntu 12.04. I create an Android Application Module, but when I try to build, I get the following error:
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How can I get a count of the total number of digits in a number?
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edited Dec 19 '10 at 18:23
answered Dec 19 '10 at 16:47
S...
Correctly determine if date string is a valid date in that format
...et. Originally written by Glavić.]
Test cases:
var_dump(validateDate('2013-13-01')); // false
var_dump(validateDate('20132-13-01')); // false
var_dump(validateDate('2013-11-32')); // false
var_dump(validateDate('2012-2-25')); // false
var_dump(validateDate('2013-12-01')); // true
var_dump(...
Internet Explorer 9 not rendering table cells properly
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72
I have exactly the same problem as well. you may want to read this https://connect.microsoft.com...
T-SQL query to show table definition?
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129
There is no easy way to return the DDL. However you can get most of the details from Informatio...
How to pip or easy_install tkinter on Windows
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