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Pawel odwrotnie

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  • Poland
  • 14:54 (UTC +02:00)
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@odwrotnie
odwrotnie / currency-words-pl.scala
Created January 28, 2012 14:26
Słownie kwota w złotych
case class Currency(name: String, short: String, p: String, left: Boolean = false) {
def digits(value: Double) = append("%.2f" format value, short)
def words(value: Double) = {
val before = w(value.toLong)
val after = w(((value * 100.0f) % 100).toLong)
List(before, after).filterNot(_.isEmpty).zip(List(short, p)).
map(t => List(t._1, t._2)).flatten.mkString(" ").trim
}
@odwrotnie
odwrotnie / gist:1706905
Created January 30, 2012 21:43
Quick and dirty Circular Reference POI problem demonstration
import org.apache.poi.ss.formula.{EvaluationWorkbook, EvaluationSheet, EvaluationCell, EvaluationName, FormulaParsingWorkbook, FormulaParser, FormulaType, WorkbookEvaluator, IStabilityClassifier}
import org.apache.poi.ss.formula.ptg.{Ptg, NamePtg, NameXPtg}
import org.apache.poi.ss.formula.udf.{UDFFinder, AggregatingUDFFinder}
import org.apache.poi.ss.formula.functions.FreeRefFunction
import org.apache.poi.ss.usermodel.Cell
import org.apache.poi.ss.SpreadsheetVersion
import org.apache.poi.ss.formula.eval._
class DBUDFFinder extends UDFFinder {
def findFunction(name: String): FreeRefFunction = {
@odwrotnie
odwrotnie / NotNull.scala
Created February 1, 2012 14:37
NotNull
object NotNull {
def apply[R](n: => R)(f: => R) = try {
if (n == null) throw new NullPointerException
n
} catch { case npe: NullPointerException => f }
}
@odwrotnie
odwrotnie / jpa.scala
Created February 2, 2012 00:44
JPA
import javax.persistence._
object JPA {
val unit = "jpa"
val emf = Persistence.createEntityManagerFactory(unit)
def t[R](f: EntityManager => R) = {
val em = emf.createEntityManager
val transaction = em.getTransaction
@odwrotnie
odwrotnie / stochab-build.scala
Created February 28, 2012 15:32
import sbt._
import Keys._
import sbtassembly.Plugin._
import AssemblyKeys._
object SWTApp extends Build {
val osName = System.getProperty("os.name")
println("OS name: %s" format osName)
val osArch = System.getProperty("os.arch")
@odwrotnie
odwrotnie / lift-comet.md
Created June 26, 2012 16:05
Lift - comet update

Head

<head>
    <!--<script id="jquery" src="/classpath/jquery.js" type="text/javascript"></script>-->
    <script id="jquery" src="http://code.jquery.com/jquery.min.js" type="text/javascript"></script>
</head>

Template

@odwrotnie
odwrotnie / dictolist.py
Created July 29, 2012 17:33
DictoList
class DictoList:
def __init__(self):
self.d = {}
def add_keys(self, *keys):
d = self.d
for k in keys:
if not k in d:
d[k] = {}
d = d[k]
def get(self, *keys):
@odwrotnie
odwrotnie / gist:4061429
Created November 12, 2012 19:38
Django save image from URL
class Picture(models.Model):
image = models.ImageField(upload_to = 'realestate/', null = True, blank = True)
...
picture = Picture.objects.create(image = File(open(urllib.urlretrieve(path)[0])))
@odwrotnie
odwrotnie / Activate - Sequence ID
Created February 24, 2014 10:10
# ID Sequences
You can provide a `Sequence` for your `Entities` in order to alter generated ID's from default UUID's.
The traits you can use:
```
trait Entity extends BaseEntity with UUID
trait EntityWithCustomID[ID] extends BaseEntity with CustomID[ID]
trait EntityWithGeneratedID[ID] extends BaseEntity with GeneratedID[ID]
@odwrotnie
odwrotnie / primes.scala
Created March 23, 2014 10:52
val primes = {
def sieve(nums: Stream[Int]): Stream[Int] =
Stream.cons(nums.head, sieve((nums.tail) filter (_ % nums.head != 0)))
sieve(Stream.from(2, 1))
}
println(primes.take(1000).mkString(", "))