Ewan Dawson EwanDawson
EwanDawson
/ map.groovy
Created
June 24, 2017 19:44
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| payload.collate(2).collectEntries { [it[0], it[1]] } |
EwanDawson
/ double.groovy
Last active
June 24, 2017 20:42
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| invoke('https://gist.github.com/EwanDawson/67902abfb90239b502a255fcff0f69ca/raw/21037fea2ac819d92663dd2b8f6b80ac21512f32/multiply.groovy', [payload[0], 2]) |
EwanDawson
/ multiply.groovy
Last active
June 24, 2017 19:42
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| payload[0] * payload[1] |
EwanDawson
/ dev-genesis.json
Created
August 23, 2015 11:49
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| { | |
| "nonce": "0x0000000000000042", | |
| "difficulty": "0x40000", | |
| "alloc": { | |
| "bbbbbaaaaa82db86a35502193b4c6ee9a76ebe8f": { | |
| "balance": "10015200000000000000000" | |
| } | |
| }, |
EwanDawson
/ days_in_year.R
Created
May 14, 2013 08:55
#R script to get the number of days in a year.
Given a vector containing years, returns a vector of the same length with the number of days in each year.
Requires #zoo
Example:
> diy(2000:2004)
[1] 366 365 365 365 366
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| diy <- function(year) { | |
| require(zoo) | |
| as.numeric(as.Date(as.yearmon(year) + 1) - as.Date(as.yearmon(year))) | |
| } |
EwanDawson
/ gist:4954105
Created
February 14, 2013 16:42
— forked from graemerocher/gist:1393603
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| @GrabResolver(name='grails-core', root='http://repo.grails.org/grails/core') | |
| @Grab(group='org.grails', module='grails-datastore-gorm-mongo', version='1.0.0.BUILD-SNAPSHOT') | |
| @Grab(group='org.slf4j', module='slf4j-simple', version='1.6.1') | |
| import grails.persistence.* | |
| import org.grails.datastore.gorm.mongo.config.* | |
| MongoDatastoreConfigurer.configure("myDatabase", Book) | |
| Book.withSession { |
EwanDawson
/ asType.groovy
Created
October 10, 2012 11:03
Extend Groovy asType(Class) method to handle additional classes
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| import org.joda.time.DateTime | |
| def oldAsType = String.metaClass.getMetaMethod("asType", [Class] as Class[]) | |
| String.metaClass.asType = { Class type -> | |
| type.isAssignableFrom(DateTime) ? | |
| new DateTime(delegate) : | |
| oldAsType.invoke(delegate, [type] as Class[]) | |
| } | |
| assert "2012-01-01T10:10:10" as DateTime == new DateTime("2012-01-01T10:10:10") | |
| assert "1234" as Integer == 1234 |
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| @GrabResolver(name='javahg', root='https://oss.sonatype.org/content/repositories/snapshots/') | |
| @Grab(group='com.aragost.javahg', module='javahg', version='0.3-SNAPSHOT') | |
| import com.aragost.javahg.* | |
| import com.aragost.javahg.commands.* | |
| config = new RepositoryConfiguration() | |
| config.hgrcPath = null // forces Mercurial to look in the usual places for .hgrc | |
| rep = Repository.open(config, new File('.')) // assume the current directory is a repo | |
| // Print the status of the repo |
EwanDawson
/ regex-capture.groovy
Created
April 17, 2012 16:09
Idiomatic regex group capturing in Groovy
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| // Using Matcher object returned by =~ operator | |
| matcher = "Hello world v1.01" =~ /.* v(\S*)/ | |
| if (matcher.matches()) version = matcher[0][1] | |
| assert version == "1.01" | |
| // We can make this a little tidier using the 'with' method | |
| version = ("Hello world v1.01" =~ /.* v(\S*)/).with { matches() ? it[0][1] : null } | |
| assert version == "1.01" |
EwanDawson
/ gist:1629928
Created
January 18, 2012 00:09
Debian: find all the files of a particular package that have been modified since the package was installed
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| # Actually, lists the installed files in the order they were updated, most recent first. | |
| # All the unmodified files will have the same last modified date, so it should be pretty | |
| # easy to spot where the updated files begin. | |
| PACKAGE=jetty # Replace with your package | |
| ls -lt $(ls -Fd1 $(dpkg -L $PACKAGE) | grep -v "[\/\@]$") |