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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...
General suggestions for debugging in R
...ction and step through the script line by line.
The best new trick in R 2.10 (when working with script files) is to use the findLineNum() and setBreakpoint() functions.
As a final comment: depending upon the error, it is also very helpful to set try() or tryCatch() statements around external f...
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(...
Passing a string with spaces as a function argument in bash
...ur function declaration is wrong.
myFunction()
{
echo "$1"
echo "$2"
echo "$3"
}
And like the others, it works for me as well. Tell us what version of shell you are using.
share
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SET versus SELECT when assigning variables?
...
Luke Girvin
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answered Oct 15 '10 at 19:22
OMG PoniesOMG Pon...
Exclude .svn directories from grep [duplicate]
...
272
If you have GNU Grep, it should work like this:
grep --exclude-dir=".svn"
If happen to be o...
How do I show the changes which have been staged?
...
2664
It should just be:
git diff --cached
--cached means show the changes in the cache/index (i...
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...
log4j vs logback [closed]
...ck to log4j, you could do so within minutes by simply dropping slf4j-log4j12.jar onto your class path.
When migrating from logback to log4j, logback specific parts, specifically those contained in logback.xml configuration file would still need to be migrated to its log4j equivalent, i.e. log4j.pro...
Adding a guideline to the editor in Visual Studio
...
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