From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Emanuel Berg Newsgroups: gmane.emacs.devel Subject: Re: Display of undisplayable characters: \U01F3A8 instead of diamond Date: Thu, 08 Sep 2022 03:32:12 +0200 Message-ID: <87h71ify77.fsf@dataswamp.org> References: <2f302d1c3966849477b3@heytings.org> <83mtbiovzr.fsf@gnu.org> <83a67hq3l7.fsf@gnu.org> <83mtbhneht.fsf@gnu.org> <83czcakqd3.fsf@gnu.org> <87a67dxhfw.fsf@dataswamp.org> <875yi0wzx7.fsf@dataswamp.org> <834jxkk635.fsf@gnu.org> <878rmw8085.fsf@dataswamp.org> <83edwnj4fh.fsf@gnu.org> <87tu5j7tu1.fsf@dataswamp.org> <83a67bih0f.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="4079"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux) To: emacs-devel@gnu.org Cancel-Lock: sha1:9w4EB+t34m7KZ6NQxmifXtcxxLU= Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Thu Sep 08 03:33:15 2022 Return-path: Envelope-to: ged-emacs-devel@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1oW6Pr-0000rB-9M for ged-emacs-devel@m.gmane-mx.org; Thu, 08 Sep 2022 03:33:15 +0200 Original-Received: from localhost ([::1]:39158 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oW6Pq-0000Py-6B for ged-emacs-devel@m.gmane-mx.org; Wed, 07 Sep 2022 21:33:14 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:49398) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oW6P3-00089M-Ld for emacs-devel@gnu.org; Wed, 07 Sep 2022 21:32:25 -0400 Original-Received: from ciao.gmane.io ([116.202.254.214]:52086) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oW6P0-0000Va-V0 for emacs-devel@gnu.org; Wed, 07 Sep 2022 21:32:25 -0400 Original-Received: from list by ciao.gmane.io with local (Exim 4.92) (envelope-from ) id 1oW6Ox-000AQ9-Iv for emacs-devel@gnu.org; Thu, 08 Sep 2022 03:32:19 +0200 X-Injected-Via-Gmane: http://gmane.org/ Mail-Followup-To: emacs-devel@gnu.org Mail-Copies-To: never Received-SPF: pass client-ip=116.202.254.214; envelope-from=ged-emacs-devel@m.gmane-mx.org; helo=ciao.gmane.io X-Spam_score_int: -16 X-Spam_score: -1.7 X-Spam_bar: - X-Spam_report: (-1.7 / 5.0 requ) BAYES_00=-1.9, HEADER_FROM_DIFFERENT_DOMAINS=0.25, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.io gmane.emacs.devel:294891 Archived-At: Yuri Khan wrote: >> Compute f(x) = y >> >> Store f = ((x y) ... ) somewhere. >> >> Next time don't compute, search for x, find y [...] > > I believe Emanuel is alluding to the memoization pattern "if > a computation [...] is too expensive to perform every time > its result is needed, cache the result in some storage that > survives between the times it is needed Here we again see the benefit of that Soviet Union math education :) -- underground experts united https://dataswamp.org/~incal