Cúpla catagoa

Origin of photo unknown. Lolcatified by mhwombat.

"Mo dhreolín" photo posted on Flikr by ColKorn1982, and subsequently lolcatified by mhwombat. License: CC Attribution-Share Alike

"Cat & alpaca" photo by mhwombat. License: CC Attribution-Share Alike

tástáil bogearraí agus mo chat

Tá Wombat beagán cantalach anois mar tá sí díreach i ndiaidh a cuid páipéar a grádú (rang tástála do ríomhchláir), agus ní dhearna a mic léinn go maith. Yeesh! Scríobhann mo chat cód níos fearr nuair a shiúlann sí trasna an mhéarchláir!

gás cócaireachta, cuid a dó

De bhrí go mbíonn na siopaí dúnta Lá Caille, d'fhán mé go foighideach go dtí an céad lá eile gás cócaireachta a cheannach. Ach níor thosaigh an charr. Níor mhaith liom cuir trioblóid ar mo comharsana, agus dá bhrí sin d'fhán mé cúpla lá eile, go dí De Luain, nuair a bheadh an garáiste oscailte.

D'éirigh mé go luath maidin inniu, agus thosaigh mé an cithfholcadán. Ach bhí sé as feidhm freisin! Bhí mo chuid gruaige ró-shalach, agus dá bhrí sin, nigh mé mo chuid gruaige sa doirteal agus rinne mé "folctha spúinse". Ní raibh sé ró-dheas i mí Eanáir.

Chuir mé glaoch ar an gharáiste tar éis sin, ach ní raibh siad ábalta teacht mar tá an iomarca oighir ar na bóithre. Agus ar aon chaoi, dá dheiseoidís mo charr, níor mhaith liom tiománt díreach anois. B'fhéidir go leáfaidh an oighir i gceann cúpla huaire.

Ní raibh bia té agam le ceithre lá anuas!

gás cócaireachta, cuid a haon

Chuaigh mé chun an siopa inné. Cheannaigh mé gach rud a bheith de dhíth orm ar feadh seachtaine, mar tá drochaimsir ann agus níor mhaith liom bheith ag tiomáint arís go luath. Chuir mé mo dinnéar sa oigheann, agus ansin... fuair mé amach go raibh an gás cócaireachta rite. Conas a déarfá arrrrrrgh!!! sa Ghaeilg?

e-reader

Dá mbeadh níos mó airgead agam, nó dá mbeadh níos mó leabhartha teicniúla le fáil mar e-books, cheannóinn e-reader. Osna... lá amháin.

Sean-nós nó seanscoil?

Dia dhaoibh, agus fáilte chuig an cluiche is nua, Sean-nós nó seanscoil? Is éasca é a imirt: Abair liom gur amhrán sean-nós, nó amhrán "seanscoil" aistrithe ón Béarla. Bhuel, is amhráin Béarla iad go léir, aistrithe go maolscríobach. Mar sin de, abair liom an teidil bunaidh nó an cainteoir.

Amhrán #1
Ag rolláil síos an sráid, ag caitheamh indo, ag baint súimín as jin agus sú
Ligthe ar ais [le m'intinn ar mo chuid airgid agus mo chuid airgid ar m'intinn]

Amhrán #2
Ta mé thuas sa chlub le mo 'bhalies, ag iarraidh beagán VI a fháil
Coinnigh síos ar an eochair íochtar é, mar tá an fhios agat caidé mar a móthann sé
Is ansin a chonaic mé Shorty, bhí sí ag seicéal suas orm
Ón an cluiche a bhí sí ag cur i mo chluas, shílfeá go raibh aithne aici orm
Dá bhrí sin, réitigh muid fuaraigh

D'éirigh an caint trom. Bhí cuma uirthi go raibh sí réidh pléasc
Coimhéad! Coimhéad!
Bhí sí ag rá "goitse, goitse"
Mar sin de, d'éirigh mé suas agus léan mé chuig an urlár í
Dúirt sí "A phaiste, gabhaigí"
Nuair a inis mé dí, dúirt mé

Sea (sea) Tháinig Shorty síos mé a fháil
Sea (sea) Bhí mé chomh beirthe, rinn mé dearmad gur inis sí domh
Sea (sea) Mar gheall ar go raibh an fhios ag mo chailín, ba choir duit cuir srian orm
Sea (sea) An céad rud eile a raibh an fhios agam faoi, bhí sí thuas ar fad orm, ag scairtú:

Sea, sea, sea, sea, sea, sea
Sea, sea, sea, sea, sea, sea

* Shorty = canúint ar "sí"

Amhrán #3
Seo an fáth go bhfuil mé té
Seo an fáth go bhfuil mé té
Seo an fáth
Seo an fáth
Seo an fáth go bhfuil mé té

Tá mé té mar is cuil mé
Níl tú mar nach bhfuil tú
Seo an fáth
Seo an fáth
Seo an fáth go bhfuil mé té

Amhrán #4
D'iarraidh siad tabhairt orm dul chuig aonaid athshlánúcháin
Ach dúirt mé ní rachaidh mé, ní rachaidh, ní rachaidh
Bhí, bhí dubh orm, ach nuair a thiocfaidh mé ar ais
Ní bheith an fhios agaibh, ní bheith, ní bheith

Amhrán #5
glaonn sí "an tUasal Boombastach"
dúirt go bhfuil mé go hiontach
teagmhaigh le mo dhroim
dúirt sí go mise an tUasal Ró... ró... rómánsach
dúirt go bhfuil mé go hiontach
teagmhaigh le mo dhroim
slíoctha mar síoda

Hello, and welcome to the newest game, Sean-nós nó seanscoil? It's easy to play: Tell me whether it's a sean-nós song, or an "Old Skool" style rap translated from English. Okay, they're all songs in English, roughly translated. So just tell me the title or artist.

Monatóir nua

Cheannaigh mé monatóir níos mó (24") cúpla mí ó shin.

Is fearr liom gach feidhmchlár a úsáid i modh lánscáileáin, agus téim eatarthu ag ALT-TABáil. Ní bhainim úsáid as leagain amach tílithe ar chor ar bith. Tá an chuid is mó de na feidhmchláir ábalta deá-úsáid a bhaint as an spás breise (tar éis giota cumraíochta). Ach fágann suíomhanna idirlíne sraith mhór spáis fholaimh, go hiondúil. (Tabhair faoi deara go mbaineann an blog seo úsáid as an spás uilig!)

Níl sé éasca leathanaigh idirlíne a dhearadh ionas go bhfuil siad oiriúnach don gach cineál monatóra. Ba mhaith liom tacaíocht do cholúin téacs lúfair a fheiceáil i HTML, agus rudaí mar sin.

I bought a new monitor a few months ago.

I use all apps full-screen, and ALT-TAB between them. I almost never use tiling at all. Most apps can make good use of the extra space (after a bit of re-configuration), but most websites leave huge swaths of space unused. (Notice that this blog uses all the space!)

It's not easy to design web pages that work well on all monitor sizes. I would like for HTML to provide support for flowing columns of text, and stuff like that.

an t-aonú lá don wombat ar scoil

Thosaigh mé ar scoil inniu. Bhí mé iontach neirbhíseach, agus ní raibh ach uair amháin codlata agam aréir. Ach bhí na daoine go léir cairdiúil, agus tá mé réasúnta suaimhneach anois.

I started school today. I was very nervous, and I only got one hour of sleep last night. But everyone was very friendly, and I'm much more relaxed now.

Scoil

Ar naoi mbliana is dhá scór d'aois, tá mé ag dul ar ais ar scoil. Tosóidh mé De Luain. Ní bheidh mé ag freastal ar ranganna ar bith. Ina áit sin, beidh mé ag déanamh taighde chun céim mháistir a fháil (agus ansin, céim dhochtúra, le cúnamh Dé). Ábhar mo chuid taighde ná "intleacht shaorga". Ba mhaith liom na fionnachtana is nua ó thaighde intinne a chur le "líonra néarach" agus le "clárú géiniteach".

Is mór an t-athrú é sin, agus tá mé ar tinneall ar fad ag smaoineamh fá dtaobh de!

At age 49, I'm going back to school. I start Monday. I won't be attending classes. Instead, I'll be doing research for a master's degree (and hopefully a PhD after that). The subject of my research is artificial intelligence. I want to apply some of the latest findings from brain research to neural networks and genetic programming.

It's a big change, and I am a nervous wreck!

Haskell agus Tionscadal Euler #6

Seo an chéad phost sa tsraith seo.

Mo réiteach féin do uimhir a sé:

(sum [1..100])^2 - sum (map (\x -> x^2) [1..100])

Tá mé sásta leis. Níor chonaic mé réiteach is fearr liom ar an fóram.

If you're wondering what this is all about, here's the first post in this series.

Haskell agus Tionscadal Euler #5

Seo an chéad phost sa tsraith seo.

Mo réiteach féin do uimhir a cúig:

divisibleUpTo n 1 = True
divisibleUpTo n m = ((n `mod` m) == 0) && (n `divisibleUpTo` (m-1))

factors n = [m | m <- [1,2..floor(sqrt(fromIntegral n))], n `mod` m == 0]

prime n = null [m | m <- factors n, m > 1, m /= n]

lowestNumberDivisibleUpTo 1 = 1
lowestNumberDivisibleUpTo n = head [m | m <- [start..], m `divisibleUpTo` n]
    where start =  if prime n
                   then n * lowestNumberDivisibleUpTo (n-1)
                   else lowestNumberDivisibleUpTo (n-1)

main = print ( lowestNumberDivisibleUpTo 20 )

Bhí orm an "start" a úsáid mar bhí an cód ró-mhall gan é.

Fuair mé feabhsú níos giorra ar an fóram:

foldl (lcm) 1 [1..20]

If you're wondering what this is all about, here's the first post in this series.

Haskell agus Tionscadal Euler #4

Seo an chéad phost sa tsraith seo.

Mo chéad réiteach do uimhir a ceathair:

reverseNum n = (read s)::Integer
    where s = reverse( show n )

isPalindrome n = n == reverseNum n

factors :: (Integral b, Integral a) => a -> [(a, b)]
factors n = [(i,j) | i <- [1,2..floor(sqrt(fromIntegral n))], let j=floor((fromIntegral n)/(fromIntegral i)), n `mod` i == 0 ]

threeDigitFactors n = [(i,j) | (i,j) <- factors n, i > 99, i < 1000, j > 99, j < 1000]

isProductOfThreeDigitFactors n = not (null (threeDigitFactors n))

candidates = [n | n <- [100*100..999*999], isPalindrome n, isProductOfThreeDigitFactors n]

main = print ( head (reverse candidates) )

Tar éis leamh an fóráim, scríobh mé an ceann seo:

reverseNum n = (read s)::Integer
    where s = reverse( show n )

isPalindrome n = n == reverseNum n

candidates = [n*m | n <- [999,998..100], m <- [999,998..n], isPalindrome (n*m)]

main = print ( maximum candidates )

Shíl mé nách mbeidh sé tapa go leor mar bhain mé úsáid as "maximum", ach bhí sé chomh tapa leis an céad cheann.

If you're wondering what this is all about, here's the first post in this series.

Haskell agus Tionscadal Euler #3

Seo an chéad phost sa tsraith seo.

Mo réiteach féin do uimhir a trí:

factors n = [m | m <- [1,2..floor(sqrt(fromIntegral n))], n `mod` m == 0]

prime n = null [m | m <- factors n, m > 1, m /= n]

primeFactors n = [m | m <- factors n, prime m]

main = print ( last ( primeFactors 600851475143 ) )

Tá mé réasúnta sásta leis. Ar dtús, bhí an chéad sraith 1..n, ach tar éis cúig bomaite, níor tháinig an freagra! Ansin, stad mé an sraith ag fréamh chearnach n, agus fuair mé an freagra gan mhoill.

If you're wondering what this is all about, here's the first post in this series.

Haskell agus Tionscadal Euler #2

Seo an chéad phost sa tsraith seo.

Mo réiteach féin do uimhir a do:

fib 1 = 1
fib 2 = 2
fib n = (fib (n-1)) + (fib (n-2))

fiblist = map fib [1..]

shortlist = takeWhile (< 4000000) fiblist
main = print ( sum[n | n <- shortlist, n `mod` 2 == 0] )

Ach nuair a léigh mé an foram agus cúpla suíomh eile, fuair mé cúpla fheabhsú:

fiblist = 0 : 1 : (zipWith (+) fiblist (tail fiblist))
shortlist = takeWhile (< 4000000) fiblist
main = print ( sum[n | n <- shortlist, even n] )

Fuair mé an sainmhíniú Fibonacci is cliste ón alt seo.

If you're wondering what this is all about, here's the first post in this series. The first bit of code is my own solution; the second is a much better one that I found on the forum.

Haskell agus Tionscadal Euler

Tá mé ag foghlaim Haskell anois. Is teanga suimiúil ríomhaire é, teanga feidhmeána ("feidhmeán" sa chiall matamaitice). Agus tháinig mé ar Tionscadal Euler le déanaí, suíomh idirlín lán de fadhbanna beaga matamaitice. Is maith iad mar chleachtadh chlárú ríomhaire Seo mo réiteach do uimhir a haon:

multipleOf m n = m `mod` n == 0
chosenNumbers = filter (\x -> x `multipleOf` 3 || x `multipleOf` 5) [1..999]
main = print ( sum chosenNumbers )

Ach nuair a léigh mé an fóram, chonaic mé an chaoi is fearr liom:

sum [n | n <- [1..999], n `mod` 5 == 0 || n `mod` 3 == 0]

I'm learning Haskell now. It's a functional programming language (functional in the mathematical sense). And I came across Project Euler recently, which has short maths problems that are great for practising programming. The first bit of code is my own solution; the second is a much better one that I found on the forum.

Xmonad

Bhain mé triall as Xmonad le déanaí, agus is breá liom é! Is bainisteoir fuinneoga é, scríofa as Haskell. Tá sé iontach mear, agus soshaincheaptha.

Recently I tried Xmonad, and I love it! It's a window manager written in Haskell. It's very fast, and easy to customise.

Teachtaireacht grinn i nGentoo

Bhí mé ag déanamh "emerge" iontach mór, agus chonaic mé an teachtaireacht seo:

"Unpacking OO.o build tree - [ go and have some tea ] ..."

An-chomhairle ar fad!

feisteas suimiúil

Tá siopa i mBaile Dhún na nGall ag díol le earraí cóisire. Um Cháisc, bhí feisteas coinín bán ar thaispeáin i bhfuinneog an siopa, crochta ó slabhraí plaisteach bháin. Is dócha gur síleadh go raibh na slabhraí go hálainn. Ach dar liomsa, bhí cuma saghas trealaimh "furry bondage" air!

There's a shop in Donegal Town that sells party goods. At Easter, they had a white bunny costume on display in the shop window, suspended from white plastic chains. I suppose they thought the chains made a pretty display. But to me it looked like some type of weird "furry" bondage gear!

Scala

Tá Wombat ag foghlaim Scala anois. Sin teanga ríomhaire a thugann tacaíocht do ríomhchlárú feidhmeanna mar bharr ar ríomhchlárú OO. Bhí mé ag súgradh le Haskell, ach sílím go bhfuil Scala níos cóiriúla do mo chead tionscadal eile.

OpenDNS - Treoir Gearr do Usáideorí Gentoo

Nóta: Glacaim go bhaineann tú úsáid as dhcpcd. (Mura rinne tú rud speisialta nuair a shuiteáil tú Gentoo, is dócha go fíor sin. Le fanacht amach ón bhaoil, seiceáil é mar seo: ps -ef | grep dhcpcd. D'fheicfeá /sbin/dhcpcd sa liosta.)

ROGHNACH: Mura rinne tú é cheana féin, is fiú duit emerge-áil bind-tools dá bhrí dig agat. Níl sé de dhíth ort le húsáid OpenDNS, ach beidh sé níos éasca bheith cinnte go bhfuil DNS ag dul chuig na freastalaí ceart.

1. Socraigh é. Cuir /etc/conf.d/net in eagair agus ionsaigh/eagair an abairt seo:

dhcpcd_eth0="-R"

Beidh an mír i gceist mar seo:

config_eth0=( "dhcp" )
dhcp_eth0="nodns nontp nonis"
dhcpcd_eth0="-R"

Cuir /etc/resolv.conf in eagair agus ionsaigh/eagair na habairtí seo:

nameserver 208.67.222.222
nameserver 208.67.220.220

2. Tósaigh é. Mar root, cuir isteach an abairt seo:

/etc/init.d/net.eth0 restart

3. Scrúdaigh é. Seo an cúis a mhól mé suiteáil bind-tools. Thug an ordú dig níos mó eolais ná nslookup.

dig www.opendns.com

Beidh a toradh mar seo:

; <<>> DiG 9.4.2-P2 <<>> www.opendns.com
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 7419 
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0  

;; QUESTION SECTION: 
;www.opendns.com.               IN      A  

;; ANSWER SECTION: 
www.opendns.com.        30      IN      A       208.67.219.101  

;; Query time: 927 msec 
;; SERVER: 208.67.220.220#53(208.67.220.220) <-- freastalaí OpenDNS 
;; WHEN: Sat Nov 15 18:46:44 2008 
;; MSG SIZE  rcvd: 49  

4. (OPTIONAL) ROGHNACH. Is féidir leat teasc áitiúil a shocrú sa dóigh nár ar do ríomhaire dul ar ais chuig OpenDNS le athcheistiú. Bain mé úsáid as dnsmasq.

emerge dnsmasq

Cuir na sainroghanna seo i /etc/dnsmasq.conf (le caoinchead ó HostingFu)

domain-needed            # Never forward plain names
bogus-priv               # Never forward addresses in the non-routed address spaces
no-resolv                # Don't use /etc/resolv.conf
no-poll                  # Don't poll /etc/resolv.conf
server=208.67.222.222    # Forward to OpenDNS's servers
server=208.67.220.220
listen-address=127.0.0.1 # Listen and bind to only localhost
bind-interfaces

Mar root, cuir isteach na habairtí seo:

/etc/init.d/dnsmasq start
rc-update add dnsmasq default

Ná déan dearmad inis do dhcpcd an teasc áitiúil a úsáid:

echo nameserver 127.0.0.1 > /etc/resolv.conf

5. (OPTIONAL) Scrúdaigh arís é. Eisigh an ceist céanna dig (dig www.opendns.com) faoi dhó, agus breathnaigh ar an líne ;; Query time: . An darna uair ba cheart do beagnach ar an toirt mar tá an eolas sa taisc cheana féin.


OpenDNS - Quick Start for Gentoo Users

Note: I assume you're using dhcpcd. (If you didn't do anything fancy when you installed Gentoo, then you're probably using dhcpcd. To be on the safe side, check using ps -ef | grep dhcpcd. You should see /sbin/dhcpcd in the list.)

OPTIONAL: If you haven't already done so, you really should emerge bind-tools so that you will have dig. This isn't necessary for using OpenDNS, but it will make it easier to be certain that DNS is going to the correct servers.

1. Configure it. Edit /etc/conf.d/net and insert/edit the following line:

dhcpcd_eth0="-R"

The relevant section of will look something like this:

config_eth0=( "dhcp" )
dhcp_eth0="nodns nontp nonis"
dhcpcd_eth0="-R"

Edit /etc/resolv.conf and insert/edit the following lines:

nameserver 208.67.222.222
nameserver 208.67.220.220

2. Start it. As root, enter the following command:

/etc/init.d/net.eth0 restart

3. Test it. This is why I recommended emerging bind-tools. The dig command will give you a little more information than nslookup.

dig www.opendns.com

The result should look like this:

; <<>> DiG 9.4.2-P2 <<>> www.opendns.com
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 7419 
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0  

;; QUESTION SECTION: 
;www.opendns.com.               IN      A  

;; ANSWER SECTION: 
www.opendns.com.        30      IN      A       208.67.219.101  

;; Query time: 927 msec 
;; SERVER: 208.67.220.220#53(208.67.220.220) <-- OpenDNS server
;; WHEN: Sat Nov 15 18:46:44 2008 
;; MSG SIZE  rcvd: 49  

4. (OPTIONAL) Make it faster. You can set up a local cache so your computer doesn't have to go back to OpenDNS for subsequent queries. I used dnsmasq.

emerge dnsmasq

Use the following configuration in /etc/dnsmasq.conf (courtesy of HostingFu)

domain-needed            # Never forward plain names
bogus-priv               # Never forward addresses in the non-routed address spaces
no-resolv                # Don't use /etc/resolv.conf
no-poll                  # Don't poll /etc/resolv.conf
server=208.67.222.222    # Forward to OpenDNS's servers
server=208.67.220.220
listen-address=127.0.0.1 # Listen and bind to only localhost
bind-interfaces

As root, enter the following commands:

/etc/init.d/dnsmasq start
rc-update add dnsmasq default

Don't forget to tell dhcpcd to use the local cache:

echo nameserver 127.0.0.1 > /etc/resolv.conf

5. (OPTIONAL) Make sure it got faster. Run the same dig query (dig www.opendns.com) twice in a row, and look for the ;; Query time: line. The second time it should be nearly instantaneous because the information is already in the cache.