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Today was the day I’ve been waiting all Spring and Summer for. Extraction day.

The time when I finally get to break out my shiny, new, not to mention expensive, honey extractor. Break out the ol’ smoker, hive tool and bee suit, and go to working getting the one super that was full in to my makeshift honey house, in my parents kitchen. For any seasoned beekeepers who might be reading this, you can only be familiar with the giddy, child-like excitement that has been building up within me steadily until this day.

Here is a nice picture taken by one of my beekeeping team members–aka my younger brother:

My hive waiting to be harvested

For those of you that don’t know the process of harvesting honey, allow me to further explain.

Since this was my first year keeping bees I had to start from the ground up. I had to get a complete hive, the smoker/hivetool/veil, and Pierco plastic frames and foundation. I needed to find the perfect spot for the hive. A location facing the southern morning sun to wake the girls up early, a spot with a wind break so then can exit the hive on breezy days, a near by water source, and a readily available supply of flowering plants. With these elements, and a few more, my bees had what they needed to begin their task of drawing out comb on the new frames.

My bees use an old table cloth to drink left over rain water from

After all Spring and Summer of collecting pollen, nectar, and propolis, it was time to harvest what me and my girls worked so hard on. Like I said before, like a giddy child I awoke yesterday morning as if it were Christmas morning and began the labor of love of getting all my gear together. A few last minute reading sessions from Beekeeping for Dummies and a few informational beekeeping blogs and I was off!

Here is a quick little guide on how I got ready and how I got my super off and took it to the house to be extracted.

First I got my smoker ready:

Getting some fuel for my smoker

Stuffing my smoker full of pine needles and leaves with my hive-tool

I loaded up my smoker with some good fuel. They say that properly lighting up a smoker with fuel and making it last long enough to inspect all of your hives is one of the hardest parts to being a beekeeper. And I can certainly vouch for that, lighting this one up took me about seven matches before I ran out then used a lighter.

Off camera I was cursing up a storm and sweating over this little oven.

When I finally did get my smoker lit, it was time to head over to the hive and let the guard bees know that I was about to come in for a little visit.

I smoked the hive like you would for any other normal inspection. I blew a large cloud of smoke at the side of the entrance

A puff of smoke a day keeps the guard bees stings at bay

and I carefully opened up the telescoping outer cover, and smoked those guard bees too. Can’t forget them.

Then I proceeded to take what was mine. The beautifully capped honey super.

A nearly empty honey super

Next I took off the outer hive cover and gently tossed it on the grass beside my hive, metal side down, facing up. There usually are some guard bees under there and you want to avoid just throwing it on the ground because they WILL consider that offensive. Believe me. Next I cracked open the inner cover and gave the girls in there a little puff from my smoker. Once open the senses begin to become overwhelmed with all things of the hive. The earthy, sweet smell of the wax and honey mix. The sound of the entire hive rapidity buzzing their wings to rid the hive of smoke, almost as if they are all saying “hello” to me all at once.

The next step was to take the hive tool and pry the super from the triangulated bee escape board. I made sure not to make any loud cracks or quick, abrupt movements, lest I wanted to have some angry bees flying around my face.

I took the super off the escape board and set it on top of the up-side down outer cover like so:

Resting the super on top of the outer cover like this keeps leaves, dirt, grass, and ants from getting into the comb

Upon getting it away from the some 40,000 honey bees below the escape board, I was dying to see what I had been waiting for all summer. So I pulled a frame out, and beheld its inherent beauty:

This frame is about 85%-90% full of honey

Next I was tasked with getting the remaining bees that had their little heads stuck in some of the empty cells. So I used some of the closely available weeds, I ripped them out and used them as a brush to sweep them off the frames and took my bounty into the kitchen.

Brushing off the bees with grass is said to not anger them as much as using a bee brush made of synthetic fibers

Once inside I could set out on my final learning quest of the day: extracting the honey and the wax.

I set about getting my uncapping knife and uncapping tank together:

This uncapping knife is that of the cold variety. It subsitutes heat for just plain sharpness.

This uncapping tank is where the cutting action of the uncapping knife takes place. The frame is rested on the wooden dow that is laying across the tank. The cut wax falls into the tanks and then the frame is ready for extracting

Aside from the actual extracting (my phone died whilst trying to get a picture of event), that was how I went about my first honey harvest!

The harvest of ‘09 should be a good one. I took a look at the honey when it was straining. It has a light amber color and is just the right sweetness. So far its hard to tell how much I got, when the stat bee inspector showed up last weekend, he said that I’d probably get a good 20 pounds out of it. Although after seeing the frames up close I don’t think I’ll get nearly that much. Either way I’m happy and real excited because normally first year beekeepers don’t make any honey because the bees are busy drawing out comb on all their frames. Tomorrow I’ll be bottling up the honey I do have and taking orders for sales, as well as mixing up a 2:1 sugar solution that will be used in feeding them.

I have to thank you all for following this epic journey of mine. Any questions and comments leave ‘em below. If you are interesting in honey or wax, of which I only have a limited amount, contact me and we’ll work something out.

Peace.Out.

While writing a new web service resource today I had the chance to use some pretty awesome parts of Scala, and wanted to share some of them.  We integrate with Twitter and have a POJO like this TwitterUser class:

package com.pongr.twitter;

public class TwitterUser
{
    private String name;

    public TwitterUser()
    {
        this(null);
    }

    public TwitterUser(String name)
    {
        setName(name);
    }

    public String getName()
    {
        return name;
    }

    public void setName(String name)
    {
        this.name = name;
    }
}

It’s been stripped down to only the relevant property, in this case the user’s full name that they specified on their Twitter account.  This new resource sends back various information about a user to our mobile apps, including their Twitter info.  Since I wrote this new resource in Scala I decided to “scalafy” (scalify?) the TwitterUser class a bit.

First off, one of our users may not have linked to their Twitter account, so the TwitterUser object might be null.  And even if they have, the name we get back from the Twitter API will be null if they haven’t entered a name, or may just be a duplicate of their screen name (like @zcox).  We need to split up the name into valid first and last names, so this seemed like a good place to be using an Option[String] instead of just a String, which is a best practice from the Beginning Scala book.  So the TwitterInfo class ended up looking like this:

package com.pongr.twitter

class TwitterInfo(user: Option[TwitterUser]) {
  val NameRegex = """(.*?)\s+(.*)""".r
  val name = user.flatMap(_.getName match {
    case NameRegex(first, last) => Some((first, last))
    case _ => None
  })
  val firstName = name.map(_._1)
  val lastName = name.map(_._2)
}

object TwitterInfo {
  implicit def twitterUser2TwitterInfo(user: TwitterUser) = new TwitterInfo(if (user == null) None else Some(user))
}

Another thing to note is the use of a regular expression as an extractor to split up the Twitter name into separate first and last names.  I picked up this technique from the Programming in Scala book and I have to say that it makes the code incredibly intuitive.  I also made the name field a tuple to reuse this regular expression extraction: the firstName and lastName fields are then initialized to the first and second parts of it, respectively.

Implicit conversions continue to amaze me so I created the twitterUser2TwitterInfo method that converts a TwitterUser object into a TwitterInfo.  Putting all of this together, we can use this TwitterInfo class to safely obtain the user’s Twitter name:

package com.pongr.twitter

import TwitterInfo._

object App {
  def main(args : Array[String]) : Unit = {
    print(new TwitterUser)
    print(new TwitterUser("asdf"))
    print(new TwitterUser("John Smith"))
  }

  def print(user: TwitterUser) = println(user.lastName.getOrElse("N/A") + ", " + user.firstName.getOrElse("N/A"))
}

The implicit conversion lets us (appear to) call TwitterInfo methods right on the TwitterUser object, and since the firstName and lastName fields are each an Option[String] we can gracefully handle the case where we don’t have the Twitter name.  Running the above test app prints out the following:

N/A, N/A
N/A, N/A
Smith, John

I know this is a pretty simple example, but I thought it was a practical demonstration of some of the techniques that make Scala such a fun language to program with.

Vi è mai capitato di avere un video musicale, preso magari da youtube, e non volere tenere il video, ma solo la musica in sé? Vi siete chiesti più volte come poter fare? Girovagando per la rete mi sono imbattuto in un favoloso programmino gratuito di nome AoA Audio Extractor. Con  AoA Audio Extractor, potremmo facilmente estrarre tracce audio da file  AVI, MPEG, MPG, FLV (Flash Video), DAT, WMV, MOV, MP4, 3GP e salvarli nel formato che più preferiamo,  MP3, WAV o  AC3. Ora passiamo al dunque: come e dove possiamo procurarci questo programmino? E sopratutto, come lo facciamo funzionare? E’ tutto molto semplice…

1. Andiamo sul sito del produttore, e clicchiamo su AoA Audio Extractor (7.7MB), come mostrato nella figura:

Clicchiamo AoA Audio Extractor (7.7MB) per scaricare il programma.

2. Dopo aver scaricato il programma, facciamoci doppio click e seguiamo la procedura guidata fino al termine dell’installazione.

3. In seguito, avviamo il programma, che si presenterà in questo modo:

Ora che abbiamo installato il programma, vediamo come funziona. Per prima cosa clicchiamo su Add Files ( ) e selezioniamo il video su cui vogliamo “operare” (ricordo che possiamo mettere in lista più di un video alla volta, cliccando più volte su Add Files). In seguito, nel campo Output Options dovremmo scegliere in che formato far “uscire” il file audio. Ci sono 3 possibilità:

• To MP3: estrae e salva in Mp3.
• To WAV: estrae e salva in WAV.
• To AC3: estrae e salva in AC3.

Scegliete quella che preferite di più. Nel campo Audio Bitrate dovremmo impostare la qualità del file audio che uscirà, se non site esperti, lasciate pure tutto così com’è, in quanto sono opzioni già “ottimali”. In Output Path clicchiamo su Browse () e selezioniamo una cartella di destinazione, cioè dove verrà salvato questo nostro file . Ora, non ci resta che cliccare sul grosso pulsante “Start” ( ) per far iniziare il lavoro al programma. Quasi dimenticavo, se volete per caso cancellare un video dalla lista, selezionatelo e cliccate su Delete File () per eliminarlo. Nella casella Preview, vedrete il filmato che è attualmente in lavoro. Beh, penso sia tutto. A mio parere, è uno dei più semplici programmi nel suo genere, se volete approfondire, qui sotto ci sono dei link utili, dategli un’occhiata . Per il resto, fatemi sapere come vi trovate nei commenti.. a presto!.

• Link Utili

1. Sito Ufficiale
2. Sito Alternativo per il download

Quando eu era usuário do windows utilizava o “DVD Audio Extractor” para converter o áudio de DVDs no formato mp3 e wave. Ele também permitia que se escolhesse os capítulos (músicas) a serem convertidos. Uma beleza. Foi o melhor programa que encontrei para fazer isso, após testar inúmeros outros.

Há cerca de um mês abandonei o windows definitivamente e passei a utilizar somente o linux. Daí então, comecei a buscar uma forma de extrair o áudio de DVDs (principalmente de shows e clips) no formato wav ou mp3. Meu objetivo era ouvir essas músicas no mp3 player, como também no carro e no próprio pc.

Navegando pela net encontrei várias formas de se fazer isso, mas na grande maioria das vezes utilizando comandos digitados no terminal. Mas fazer isso numa grande quantidade de arquivos acaba se tornando incômodo. Também pode-se fazer um script para realizar essa tarefa, o que facilitaria bastante as coisas. Mas como não sou tão bom assim em criar scripts e para não ter que fazer “gambiarras”, continuei a minha pesquisa. Acabei encontrando um programinha escrito em python que faz exatamente aquilo que eu procurava. Trata-se do devidify. Ele converte o áudio de DVDs diretamente nos formatos wav, mp3 e ogg. Também permite que você escolha os capítulos (músicas) a serem salvos.

O devidify pode ser encontrado no site:
http://www.mahnamahna.net/museyroom/devidify/devidify.shtml

Screenshots:
http://linux.softpedia.com/progScreenshots/Devidify-Screenshot-28532.html

Dowload direto em formato tar.gz:
http://code.google.com/p/devidify/downloads/list

Dowload direto em pacote rpm:
http://packman.links2linux.org/package/devidify
ou
http://rpm.pbone.net/index.php3/stat/21/year/2008/month/05/day/10

Dependências:

Ele requer Python, PyGTK, o MPlayer e o lsdvd. O lame é necessário para processar arquivos MP3 e o oggenc para processar arquivos Ogg Vorbis.

No Ubuntu ou Kubuntu certifique-se de que os seguintes pacotes estão instalados: python, python-gtk2, mplayer, lsdvd, lame, vorbis-tools. Se não estiverem instalados, entre com o seguinte comando no terminal:
$ sudo apt-get install python python-gtk2 mplayer lsdvd lame vorbis-tools

Instalação:

Após baixar o programa e verificar as dependências, crie uma pasta com o nome que desejar e extraia os arquivos para a mesma. Em seguida, no terminal, vá para o diretório (pasta) criado e digite:
$ sudo python setup.py install

OK. O programa está instalado. Se não conseguir executá-lo (abri-lo) então leia o próximo subtítulo.

Solução para rodar o devidify:

1) Após instalar tudo conforme descrito acima, quando eu tentava executar o programa pelo “menu K” (uso o Kubuntu) não acontecia absolutamente nada. Tentei executar pelo terminal e verifiquei que acontecia um erro. Pesquisei mais um pouco na net e achei a seguinte solução:

Abra o editor de textos de sua preferência (Kate, kwrite, etc) e crie um arquivo com o nome “.devidifyrc” (sem as aspas e com um ponto no início, para indicar que é um arquivo oculto) com os seguintes dados:

[devidify]
ogg_quality = 6
mode = ogg
device = /dev/dvd
mp3_bitrate = 192
dir = “coloque aqui o diretório de destino dos archivos, sem as aspas”

IMPORTANTE:
Salve-o no diretório do usuário que o utilizará. No meu caso: /home/benneh/

2) Para poder rodar o programa sem problemas de travamento, vc terá que rodá-lo como “root”. Se você usa o KDE vá até o “menu K” -> “Multimídia” . Agora clique com o botão direito do mouse em cima do “devidify”. Vai abrir uma janela, clique em “Editar item” e, quando abrir o “Editor de menus do KDE” vá até o campo “Comando” e coloque: gksu devidify. Em seguida vá na barra de menu e em “arquivo” -> “salvar”.

OK! O devidify já está pronto para ser executado sem problemas.
Agora é só correr pro abraço! E divirta-se com as músicas que você tanto queria copiar daquele DVD.

Para desinstalar o devidify:

Se por algum motivo você quiser desinstalá-lo e se tiver feito a instalação automática, delete os seguintes diretórios:
/usr/local/bin/devidify,
/usr/share/applications/devidify.desktop
/usr/local/share/devidify

Pronto! O devidify já está desinstalado.

Por enquanto é só. Um abraço e boa sorte!

Benneh Carvalho
SemPirataria.wordpress.com

2 de julio de 2009

Alright then, here’s my first software related post. Let’s see how this goes.

This is a must have piece of software. It’s name is 7-Zip.

7-Zip is an extractor. Extractors are commonly known, at least by windows users, as unzippers because the most common archival format is probably .zip, which most of you have certainly encountered. Anyway, besides ZIP files, there’s also RAR, TAR, BZIP2 (.bz), and ISO, to name the most common archival formats. Archival formats are popular because they can contain several files and folders by compressing them. Unfortunately, when they compress them,the file cannot be used until decompressed, or extracted.

Of the ones I listed above, 7-Zip can compress and extract files in all but ISO and RAR, which it can only extract. In total, 7-Zip can extract more than 18 archive types. WinRAR, perhaps the most popular competition, cannot extract the BZIP2 and TAR formats, which are more popular for cross-OS files. I’ve not come across an archive 7-Zip cannot handle, and considering how much downloading I do, I’m impressed.

Did I mention that 7-Zip is completely free? As in, you don’t need to pay for it, it doesn’t nag you to upgrade, or any of that? That’s the magic of open source. WinRAR’s free edition, on the other hand, is very naggy.

7-Zip also has the nice feature of allowing you to view the files before extracting. In less common cases, an archive will be put in another archive(I see this with a BZIP2 in a TAR occasionally.). 7-Zip can handle that in the same way it handles file browsing before extraction, though it needs to extract for each archive.

I highly recommend 7-Zip. I don’t see any reason to use any other extractor. But I’m not going to just recommend it, that’s what everyone does. In my software suggestions, I’m going to go over anything you need to know about the software.

In this case, Firefox didn’t initially see 7-Zip as a program that can open files. This is only a problem if you open files you downloaded from within the browser, though. If you go to open a file with firefox and you want to open the file with 7-Zip, go to browse, then find your 7-Zip folder and make sure to select 7zFM.exe. Then, it should work fine from there on.

Get it. Now.

The creators of the zig-zag product win the Gödel Prize