| --- Log opened Sun Jul 05 00:00:56 2009 |
| 00:01 | <@Consul> | Presumably, it has something to do with threads. |
| 00:01 | <@Consul> | And safety. |
| 00:03 | <@Derakon> | It largely amounts to ensuring that only one thread can use/change a given resource at a time. |
| 00:03 | <@Consul> | Oh, do'h! |
| 00:03 | <@Derakon> | You wouldn't want a string to go from "Hello, World" to "Oh Hai" when you're busy reading it. |
| 00:04 | <@TheWatcher> | Well, one simple example: say that you have a variable 'int foo' and two threads. foo starts out as 1, and the two threads contain the code 'foo = foo + 1'. Now, say that the two threads hit that code at the same time, both read foo as 1, add one, and write it back... so foo is now 2, when it should be three. |
| 00:04 | <@Consul> | Exactly the same way the OS locks resources to a single process, you can lock a resource to a single thread. |
| 00:04 | <@Derakon> | Pretty much. |
| 00:06 | <@Consul> | Duh, it all makes sense now. |
| 00:10 | <@TheWatcher> | The proper way to do it is to have some kind of mutual exclusion on the int - like pthread's mutex, or a semaphore - and then only one thread can access it at a time, so proper behaviour is preserved at the cost of forcing one or the other thread to wait |
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| 00:20 | <@Consul> | Thanks. I feel just a little bit smarter now. :-) |
| 00:21 | <@Consul> | I guess I understood the basic idea. I just needed the term matched up to it. |
| 00:38 | <@ToxicFrog> | Ok, I'm having a variable naming problem. |
| 00:38 | <@ToxicFrog> | I have a buffer. |
| 00:38 | <@ToxicFrog> | I have a bunch of functions that can be applied to it in any order. |
| 00:39 | <@ToxicFrog> | Some of these collect and report information about the buffer; others convert it into new formats and save those; and still others mutate it in place. |
| 00:39 | <@ToxicFrog> | Each buffer is associated with a queue of such functions to be applied to it. |
| 00:39 | <@ToxicFrog> | What should they be called? |
| 00:39 | <@Derakon> | The buffers? |
| 00:40 | <@Derakon> | What do the buffers store? |
| 00:40 | <@ToxicFrog> | The functions (and by extension the list of functions) |
| 00:40 | <@ToxicFrog> | Troff-like data. |
| 00:41 | <@ToxicFrog> | Some examples of the functions: |
| 00:42 | <@ToxicFrog> | - report number of images used, length in lines, and other statistics |
| 00:42 | <@ToxicFrog> | - generate HTML output |
| 00:42 | <@ToxicFrog> | - generate BBCode output |
| 00:42 | <@ToxicFrog> | - report all images referenced in the input but not present on disk |
| 00:42 | <@ToxicFrog> | - upload all images to a given hosting service and rewrite the buffer to point to their uploaded forms |
| 00:43 | <@Derakon> | Why can't they be e.g. generateHTMLOutput, generateBBCodeOutput, reportNumImages, etc? |
| 00:43 | <@ToxicFrog> | And I need a name that encompasses all of these. |
| 00:43 | <@SmithKurosaki> | So you need function names or a name for the central buffer? |
| 00:43 | <@ToxicFrog> | They are. |
| 00:43 | <@ToxicFrog> | I don't need names for the individual functions |
| 00:43 | <@ToxicFrog> | I need a name for this class of function |
| 00:43 | <@Derakon> | Ah. |
| 00:43 | <@Derakon> | BufferFunc? |
| 00:43 | <@Derakon> | <--- Unimaginative. |
| 00:43 | <@ToxicFrog> | And data structures that hold them, such as the queue of functions pending on a given buffer. |
| 00:44 | <@SmithKurosaki> | ProcessBuffer? |
| 00:44 | <@TheWatcher> | TheWranglertron ¬¬ |
| 00:44 | <@ToxicFrog> | Also, this is a documentation/interface name as well as a typename. |
| 00:44 | <@ToxicFrog> | wranglers! |
| 00:44 | <@ToxicFrog> | TW, you are brilliant. |
| 00:44 | <@Derakon> | Hee. |
| 00:44 | <@SmithKurosaki> | I have little imagination atm, it's all being consumed by the mafia machine |
| 00:45 | <@SmithKurosaki> | Quick, give me some alcohol! |
| 00:45 | <@SmithKurosaki> | Or some really old coffeee |
| 00:45 | <@ToxicFrog> | Are you sure you have enough vim for that? |
| 00:46 | | * SmithKurosaki checks |
| 00:46 | <@SmithKurosaki> | No :( |
| 00:47 | <@ToxicFrog> | return { |
| 00:47 | <@ToxicFrog> | text = buf |
| 00:47 | <@ToxicFrog> | wranglers = { "setup" }; |
| 00:47 | <@ToxicFrog> | } |
| 00:47 | <@SmithKurosaki> | o/ |
| 00:50 | <@ToxicFrog> | This also means I need a local function wrangle(post), of course |
| 00:50 | <@ToxicFrog> | Excellent. |
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| 01:45 | <@ToxicFrog> | First-class high-order functions: still totally fucking awesome. |
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| 11:31 | | * TheWatcher eyes this |
| 11:32 | | * TheWatcher bleghs, sets about making a minimal, thread-safe queue class |
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| 20:31 | <@AnnoDomini> | Could someone paste me a frontquote character? |
| 20:33 | <@AnnoDomini> | Or is there no such thing? |
| 20:33 | <@Vornicus> | a frontquote? |
| 20:33 | <@AnnoDomini> | Like a backquote, only the other way around. |
| 20:34 | <@AnnoDomini> | It may be that this font is just silly. |
| 20:38 | <@Vornicus> | Possible. |
| 20:39 | <@Vornicus> | There's " ' ", but that's probably not what you're looking for. |
| 20:39 | <@Vornicus> | There's also smart quotes, but those are deep in unicode and you usually don't want them! |
| 20:53 | <@jerith> | ASCII has only two single quote characters. |
| 20:53 | <@jerith> | ` and ' |
| 20:54 | <@jerith> | The latter is variously displayed as an apostrophe (or closing quote) or an ambidextrous single quote suitable for both opening and closing. |
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| --- Log closed Mon Jul 06 00:00:11 2009 |