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Printf width specifier to maintain precision of floating-point value
...IG;
double OneSeventh = 1.0/7.0;
printf("%.*e\n", Digs, OneSeventh);
// 1.428571428571428492127e-01
But let's dig deeper ...
Mathematically, the answer is "0.142857 142857 142857 ...", but we are using finite precision floating point numbers.
Let's assume IEEE 754 double-precision binary.
So t...
Simple way to copy or clone a DataRow?
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edited May 26 '15 at 11:38
answered Aug 19 '12 at 7:54
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Install go with brew, and running the gotour
...Create Directories
mkdir $HOME/Go
mkdir -p $HOME/Go/src/github.com/user
2) Setup your paths
export GOPATH=$HOME/Go
export GOROOT=/usr/local/opt/go/libexec
export PATH=$PATH:$GOPATH/bin
export PATH=$PATH:$GOROOT/bin
3) Install Go
brew install go
4) "go get" the basics
go get golang.org/x/to...
git discard all changes and pull from upstream
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255
There are (at least) two things you can do here–you can reclone the remote repo, or you can ...
What's the difference between :: (double colon) and -> (arrow) in PHP?
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answered Jul 4 '10 at 2:20
ArtefactoArtefacto
87.4k1414 gold badges185185 silver badges211211 bronze badges
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Difference between CouchDB and Couchbase
...ache Software Foundation and is released under the Apache License, Version 2.0 (DFSG-compatible, FSF-approved, OSI-approved, GPL-compatible, non-copyleft, commercial-friendly).
Philosophy
I have never seen it directly pointed out but this may be actually the most important difference between those...
target input by type and name (selector)
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289
You want a multiple attribute selector
$("input[type='checkbox'][name='ProductCode']").each(f...
How do I create an array of strings in C?
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237
If you don't want to change the strings, then you could simply do
const char *a[2];
a[0] = "b...
When to choose mouseover() and hover() function?
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edited Oct 18 '19 at 15:42
informatik01
14.7k88 gold badges6666 silver badges100100 bronze badges
answe...
Why does 0.ToString(“#.##”) return an empty string instead of 0.00 or at least 0?
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answered Jan 25 '12 at 11:03
Rich O'KellyRich O'Kelly
37.7k88 gold badges7575 silver badges107107 bronze badges
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