>Lock version is not as clever as it sounds. It’s supposed to >do what it says on the tin, lock the version… But it only >locks it within Synaptic. Anything else that does package >upgrades (read: Update Manager, apt-get, aptitude, etc) >ignores this. (That’s supposed to be a blockquote, I but it doesn’t seem to work.)

Next, try catching a couple of live ones checkmating on there.

Brilliant, this seems to work exactly as I wanted! And it seems to work for non-greyscale originals as well. Thank you!

I have an image I wish to colorize using a picked color. What is the handiest/easiest way to do this in GIMP?

I’ve tried my best by checking the palette for my picked color’s HSV, then using it as starting point to find corresponding HSL values for the Colorize window. But this seems absurdly difficult and imprecise. I don’t do much image processing, but I repeatedly come across this specific problem, so there must be a better way that I just don’t know about.

Apparently this is now supported; at least the following seems to work under 12.04:

$ qdbus org.gnome.Nautilus /org/gnome/Nautilus org.gnome.Nautilus.FileOperations.CopyFile "file:///source/directory" "*" "file:///destination/directory" "" 

where /source/directory is the absolute path to your source directory, * is the glob for file[s] to copy,/destination/directory is your destination directory and the last ”” is for destination file name. Note that you need to have the last one there even if it’s empty as in here, to fulfill the method signature. Also, if you specify a target name and have multiple source files, they’ll all get copied to that one destination file, giving an overwrite prompt for each file after the first one (which may or may not be what you want).

Tervehdys!

Osassa kaukoliikenteen busseja on kuulemma nykyisin mahdollisuus käyttää langatonta laajakaistaa. Ajattelin tiedustella, onko tämä palvelu saatavilla myös välillä Kirkkonummi-Helsinki? Jos on, onko verkko avoin vai edellyttääkö sen käyttö salausavainta?

Kokeilin tänä aamuna läppärin kanssa onneani 189X:ssä. Tietokone löysi ainakin ”Matka-verkko”-nimisen verkon, mutta siihen yhdistäminen olisi edellyttänyt salausavainta, jota minulla ei ollut.

RAM in common computers is addressed (i.e. referred to by programs) using sequences of bits that correspond to powers of two. When you’re using a 32-bit operating system, it means that programs have (at most) 32 bits available to them to describe each address. This 32-bit limit, fundamentally, lies in hardware: the x86 family of processors originally reserved just 32 bits for addresses.

The total number of different unique sequences you can organise 32 bits in is 4,294,967,296. For computers, this means you can only refer to that many different addresses in the memory. To point to more addresses (so that each address still remains unique) you must have more bits.

That large total number translates to 4 GB. As for why, in practice, it can actually be a quarter less than that, the 3 GB barrier Wikipedia article will explain.

Physical Address Extension or PAE, on hardware level, is an extension the 32-bit addressing in x86 processors: PAE processors have 36 bits for memory, thus extending the range of addresses available for the operating system (which then divides this memory among the programs). When you’re installing a PAE kernel, you’re in effect installing low-level operating system support for this extended x86 hardware.

When you have a 64-bit processor (as most modern processors are), you can run operating systems and applications that are built to address memory using those 64 bits. This gives them a total of ”18446744073709551616 different values, a number in excess of 18 quintillion”. In theory, at least, that means you won’t run out of addresses before you have more than 16,8 terabytes of RAM.

Pientä sählinkiä muistikampojen kanssa ja viestintään kannattaisi panostaa hämmennyksen minimoimiseksi, muttei tässä mitään hämäräperäistä. Hyvät kaupat siis lopulta noista huolimattakin.

Nopea toimitus ja viestintä pelasi. A+

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