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Why does Math.round(0.49999999999999994) return 1?
...Java 7 no longer mandates this broken implementation.3
The problem
0.5+0.49999999999999994 is exactly 1 in double precision:
static void print(double d) {
System.out.printf("%016x\n", Double.doubleToLongBits(d));
}
public static void main(String args[]) {
double a = 0.5;
double b = 0...
Binding a WPF ComboBox to a custom list
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4 Answers
4
Active
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Using the slash character in Git branch name
...basically this:
% cd .git/refs/heads
% ls -l
total 0
-rw-rw-r-- 1 jhe jhe 41 2009-11-14 23:51 labs
-rw-rw-r-- 1 jhe jhe 41 2009-11-14 23:51 master
% mkdir labs
mkdir: cannot create directory 'labs': File exists
You're getting the equivalent of the "cannot create directory" error.
When you h...
How to define servlet filter order of execution using annotations in WAR
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edited May 23 '17 at 11:54
Community♦
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answered Jul 3 '11 at 8:13
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Use of 'use utf8;' gives me 'Wide character in print'
...from this:
$ perl -E 'say join ":", map { ord } split //, "鸡\n";'
233:184:161:10
The first three bytes make up your character, the last one is the line-feed.
The call to print sends these four characters to STDOUT. Your console then works out how to display these characters. If your console is...
What is the purpose of AsQueryable()?
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answered Dec 4 '13 at 15:24
ServyServy
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Fastest way to convert Image to Byte array
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LatentDenis
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answered May 19 '14 at 7:05
NewtNewt
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What difference is there between WebClient and HTTPWebRequest classes in .NET?
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243
WebClient is a higher-level abstraction built on top of HttpWebRequest to simplify the most com...
Running a specific test case in Django when your app has a tests directory
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4
Attention people like me who blindly paste from Stackoverflow: This will error without the mentioned plugin, use the syntax described in the...
Carriage Return/Line Feed in .Net Resource File (App_GlobalResources)
...value.
e.g.
<data name="example">
<![CDATA[
hello
world
1
2 3
4
]]> </data>
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