kdabir

webpack-dev-server --progress --colors --host $IP --port $PORT

kdabir

@GrabConfig(systemClassLoader=true) @Grab('org.hsqldb:hsqldb:2.2.9') import groovy.sql.Sql
def sql = Sql.newInstance("jdbc:hsqldb:mem:database", "sa", "", "org.hsqldb.jdbcDriver")
println sql.firstRow('VALUES (current_timestamp)')

kdabir

def file_path = "C:/path/to/excel/file.xlsx"
def read_only = true

// Unfortunately this will work only on windows because of this driver :(
def connection_url= """jdbc:odbc:Driver={Microsoft Excel Driver (*.xls, *.xlsx, *.xlsm, *.xlsb)};
        DBQ=$file_path;READONLY=$read_only"""

if (!new File(file_path).exists()) return "invalid file"

def sql = groovy.sql.Sql.newInstance(connection_url, '', '')

kdabir

var changeHandler = function (e) {
    console.log ($.trim(this.value));
    if ($.trim(this.value)){
        $("input[type=submit]").removeAttr("disabled");
    } else {
        $("input[type=submit]").attr("disabled", "disabled");        
    }
};

$("input[type=text]").keyup(

kdabir

{
  "cmd": ["groovy", "$file"],
  "selector": "source.groovy",
  "file_regex": "[ ]*at .+[(](.+):([0-9]+)[)]",

  "windows": {
    "shell": "cmd.exe"
  }
}

kdabir

@echo off
REM set these variables 
SET HSQLDB_HOME=c:\path\to\hsqldb
SET DB_NAME=mydb

REM start the server in new window ( prompt visible, so that you can CTRL+C )
REM database files are created in current directory/data
start java -cp %HSQLDB_HOME%\lib\hsqldb.jar org.hsqldb.server.Server --database.0 file:data/%DB_NAME% --dbname.0 %DB_NAME%

REM start the client GUI and connect to server ( no new cmd window opens because of javaw )

kdabir

TattleTale Gradle plugin

Add to build.gradle

apply from:'https://gist.githubusercontent.com/kdabir/0dbf62e16e5af8ef55b43442148f0fe5/raw/depTree.gradle'

And Run

$ gradle tattletaleReport

kdabir

import java.text.DecimalFormat;
...
DecimalFormat df = new DecimalFormat("###,##0.00");
df.format(number);

// in the format string,
// # -> shows Digit if present else blank
// 0 -> shows Digit if present else 0
// details at :  http://docs.oracle.com/javase/6/docs/api/java/text/DecimalFormat.html

kdabir

map.sort { a,b -> a.value <=> b.value }

kdabir

Creating a TimerTask can not get easier than this thanks to groovy.

• import java.util.timer.* is not required as java.util is already imported.
• the run() is implemented as closure

To Run this:

groovy https://gist.github.com/kdabir/3176945/raw/timer_example.groovy