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Reuse a parameter in String.format?
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264
From the docs:
The format specifiers for general, character, and numeric types have the...
Logging framework incompatibility
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112
You are mixing the 1.5.6 version of the jcl bridge with the 1.6.0 version of the slf4j-api; this...
How to redirect stderr and stdout to different files in the same line in script?
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294
Just add them in one line command 2>> error 1>> output
However, note that >>...
Revert a range of commits in git
...Git are you using?
Reverting multiple commits in only supported in Git1.7.2+: see "Rollback to an old commit using revert multiple times." for more details.
The current git revert man page is only for the current Git version (1.7.4+).
As the OP Alex Spurling reports in the comments:
Upgrading t...
How to make the 'cut' command treat same sequental delimiters as one?
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552
Try:
tr -s ' ' <text.txt | cut -d ' ' -f4
From the tr man page:
-s, --squeeze-repeats ...
What does the “|” (single pipe) do in JavaScript?
... @MaBi: You should however know that the value is converted to a 32-bit integer, so it won't work properly for larger numbers.
– Guffa
May 5 '15 at 17:51
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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...
Java regex capturing groups indexes
... | 3---------------3 |
2-----------------------------------------2
The group numbers are used in back-reference \n in pattern and $n in replacement string.
In other regex flavors (PCRE, Perl), they can also be used in sub-routine calls.
You can...
What does a b prefix before a python string mean?
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2 Answers
2
Active
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How to convert a string or integer to binary in Ruby?
... number to a string representing the number in the base specified:
9.to_s(2) #=> "1001"
while the reverse is obtained with String#to_i(base):
"1001".to_i(2) #=> 9
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