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Topics in Cookbook web: Changed: now 15:42 GMT Changed by:

SaveBinaryDataInSQL 04 Jul 2008 - 04:38 - NEW HiSeeComments
  STARTINCLUDE Save Binary Data in SQL Problem Postgres has a binary datatype. However, if your using hans's sqlid database driver with postgres, and try to save a ...
DatabaseChapterComments 01 Jul 2008 - 05:36 - r1.3 AntonVanStraaten
  TMPL:P{"chaptercommenttip"} STARTINCLUDE Comments WriteSqlInSchemeLikeSyntax: belongs here, but I did something wrong Main.HiSeeComments Fixed the parent topic ...
WriteSqlInSchemeLikeSyntax 01 Jul 2008 - 05:32 - r1.2 AntonVanStraaten
  STARTINCLUDE Write SQL In Scheme Like Syntax Problem Writing SQL queries, by writing strings using "string-append" can be a pain. a sexp would make life easier. Solution ...
WebFileUpload 01 Jul 2008 - 04:26 - r1.3 HiSeeComments
  File Upload Problem You already know how to write complex, and useful CGIs in scheme, however you need to upload a file (any kind of file) from the user computer ...
WebStatistics 10 Jun 2008 - 14:08 - r1.261 Main.guest
  Statistics for Cookbook Web Month: Topic views: Topic saves: File uploads: Most popular topic views: Top contributors for topic save and uploads: Jun 2008 20219 0 ...
LayoutMultiplePanelsInAFrame 17 Apr 2008 - 06:28 - r1.2 NoelWelsh
  STARTINCLUDE Laying out panels in a window Problem You want to make a specific layout of your panels Solution Laying out panels in DrScheme is simple, Inside your ...
GUIWidgetAggregation 17 Apr 2008 - 06:27 - r1.8 NoelWelsh
  STARTINCLUDE Aggregating Widgets in a Single Widget Problem You would like to deal with many widgets as though they were a single widget. Solution begin scheme (require ...
IdiomObjectOrientedProgramming 02 Apr 2008 - 22:36 - r1.12 StephenDeGabrielle
  Object Oriented Programming http://www.cs.dartmouth.edu/~cs18/W2004/handouts/objects/objects.html Object Oriented Programming using (a modified) Swindle http://www ...
GUIChapterComments 10 Mar 2008 - 13:27 - r1.4 StephenDeGabrielle
  TMPL:P{"chaptercommenttip"} STARTINCLUDE Comments See also Corey Sweeney's http://students.depaul.edu/~csweeney/Guibuilder.Tutorial.html GUI-builder Howto . Main ...
WebGettingStartedInstaweb 03 Mar 2008 - 11:30 - r1.4 NoelWelsh
  STARTINCLUDE Getting Started With Web Development and Instaweb Problem You don't know how to get started with web development using the PLT Web server. Solution The ...
ProcessCaptureOutput 20 Feb 2008 - 05:21 - r1.7 DannyYoo
  STARTINCLUDE Capturing the Output of a Process Problem You want to run an external process and capture its output. Solution The function system/output below uses ...
ApplicableHashTables 05 Feb 2008 - 16:47 - NEW DanielSilva
  STARTINCLUDE Applicable Hash Tables Problem You want to apply hash-table objects directly to look up or associate keys with values. Solution You can rely on structures ...
IdiomStreams 04 Feb 2008 - 13:01 - r1.4 StephenDeGabrielle
  STARTINCLUDE Streams Problem You want to handle state in a functional manner. Solution The concept you're looking for is called a "Stream". Discussion The canonical ...
ImperativeQueues 09 Jan 2008 - 18:33 - r1.7 JosKoot
  STARTINCLUDE Imperative Queues Problem A queue is a first-in first-out memory. Objects can be stored one by one and can be extracted (or removed) one by one. Objects ...
WebPLTWebServer 05 Jan 2008 - 19:37 - r1.4 TroelsKnakNielsen
  STARTINCLUDE The PLT Web Server Starting the PLT Web Server Starting the web server on your computer is easy. Start a commmand prompt and execute the command: plt ...
HtmlPrag 03 Jan 2008 - 10:59 - NEW StephenDeGabrielle
  HtmlPrag provides permissive HTML parsing and emitting capability to Scheme programs. See: http://www.neilvandyke.org/htmlprag/ Main.StephenDeGabrielle 03 Jan 2008 ...
SXPath 03 Jan 2008 - 10:58 - NEW StephenDeGabrielle
  SXPath is a query language for SXML. It treats a location path as a composite query over an XPath tree or its branch. A single step is a combination of a projection ...
SimpleCanvasOperations 19 Dec 2007 - 12:14 - NEW StephenDeGabrielle
  STARTINCLUDE Simple Canvas operations Problem You want to operate on and interact with a drawing canvas. Solution See also ''PLT MrEd: Graphical Toolbox Manual Chapter ...
ThreadChapterComments 12 Dec 2007 - 16:47 - r1.2 StephenDeGabrielle
  TMPL:P{"chaptercommenttip"} STARTINCLUDE Comments A nice simple example of thread use is available at http://www.kuro5hin.org/story/2004/3/17/93442/8657 It supplies ...
IntroductionToMzlibClasses 12 Dec 2007 - 16:32 - r1.7 StephenDeGabrielle
  STARTINCLUDE (lib "class.ss") Notes These are a set of notes I'm taking about learning the class system in mzlib, the standard library that comes with mzscheme. I ...
FileWrite 10 Dec 2007 - 10:43 - r1.4 NoelWelsh
  STARTINCLUDE Writing to a File Problem You want to write text or data to a file. Solution If you just have a string s to write to a file with name fname , this will ...
NetSendEmail 27 Nov 2007 - 15:45 - r1.4 StephenDeGabrielle
  STARTINCLUDE Sending Email Problem You want to send an email from a Scheme program Solution Use the smtp.ss or sendmail.ss modules, and the head.ss module, all in ...
TimeRFC822 15 Oct 2007 - 11:58 - r1.3 JeromeBaum
  STARTINCLUDE Writing and Parsing RFC 822 Dates and Times Problem You need to convert from struct:time to RFC 822 format Dates and Times. Solution mzlib provides one ...
XMLRecipeSimpleChanges 08 Oct 2007 - 23:14 - r1.7 EricHanchrow
  STARTINCLUDE Making Simple Changes to Elements or Text Problem You want to filter some XML. For example, you want to make substitutions in the body of a document ...
CreatingJpegWithMzScheme 29 Sep 2007 - 18:01 - NEW AustinKing
  STARTINCLUDE Creating Jpeg from scratch using MzScheme Problem You are using PLT DrScheme and you want to draw graphs, generate graphics, or process images from scratch ...
WebFetchingHttpsUrl 05 Sep 2007 - 20:05 - r1.6 AntonVanStraaten
  STARTINCLUDE Fetching an HTTPS URL Problem PLT Scheme's url.ss library in the net collection does not directly support retrieval of URLs via HTTPS, i.e. using SSL ...
StringSplit 03 Sep 2007 - 11:50 - r1.8 ChrisDone
  STARTINCLUDE string-split: splitting a string into substrings Problem Split a string into words separated by whitespace or other delimiters. See the function split ...
SyntaxLoc 24 Aug 2007 - 22:45 - NEW WillFarr
  STARTINCLUDE Using syntax/loc instead of syntax Problem You're tired of bad error messages and location information from your macros. Solution Use syntax/loc instead ...
NewSRFI42Generator 24 Aug 2007 - 22:23 - r1.2 JensAxelSoegaard
  STARTINCLUDE Creating a New SRFI-42 Generator Problem You have a new datatype, in this example a matrix , and you want users to be able to iterate over it using http ...
MacrosChapterRecipes 24 Aug 2007 - 17:53 - NEW WillFarr
  STARTINCLUDE Recipes TMPL:P{"recipequery"} STOPINCLUDE Set ALLOWTOPICCHANGE Main.SchematicsEditorsGroup Main.WillFarr 24 Aug 2007
MacrosChapterComments 24 Aug 2007 - 17:50 - NEW WillFarr
  TMPL:P{"chaptercommenttip"} STARTINCLUDE Comments STOPINCLUDE Main.WillFarr 24 Aug 2007
MacrosIntroduction 24 Aug 2007 - 17:48 - NEW WillFarr
  STARTINCLUDE Introduction Scheme macros are transformations on the source of a scheme program which happen at "compile" time. They allow you to introduce New binding ...
MacrosChapter 24 Aug 2007 - 17:31 - NEW WillFarr
  STARTINCLUDE Macros TMPL:P{"chapterquery"} STOPINCLUDE TMPL:P{"chaptercommentlink"} INCLUDE{"MacrosChapterComments"} Set ALLOWTOPICCHANGE Main.SchematicsEditorsGroup ...
TextTemplate 13 Aug 2007 - 19:55 - NEW NikitaSidorov
  STARTINCLUDE text-template Location http://text-template.sourceforge.net Description text-template is a small text template library for scheme. It can be used to ...
DynamicChapterComments 02 Aug 2007 - 09:57 - r1.2 NoelWelsh
  TMPL:P{"chaptercommenttip"} STARTINCLUDE Comments See StringEval in StringChapter for how to evaluate code stored in a string. STOPINCLUDE
ThreadSuspendingCurrentThread 20 Jul 2007 - 17:04 - r1.2 EricHanchrow
  STARTINCLUDE Suspending the Current Thread Problem You wish to indefinitely suspend the current thread Solution There are two good solutions: begin scheme (sync ...
AuthorCreatingChapters 16 Jul 2007 - 07:53 - r1.3 NoelWelsh
  STARTINCLUDE Creating Chapters Problem You want to create a new Chapter in the Cookbook Solution Creating a new Chapter is not as simple as creating a recipe, as ...
WebFetchingURL 12 Jul 2007 - 08:02 - r1.5 StephenDeGabrielle
  STARTINCLUDE Fetching a URL Problem You want to get the web page stored at a URL (web address), such as http://schematics.sourceforge.net/ Solution The url.ss library ...
ListFlatten 26 Jun 2007 - 18:42 - r1.4 KyleSmith
  STARTINCLUDE How to flatten a list. Problem To flatten a list means to destructure a list into a flat list. For example: begin scheme (flatten '(a (b (c d) e) f) ...
IdiomEvaluateAndTest 17 Jun 2007 - 02:47 - r1.12 GeoffKnauth
  STARTINCLUDE Evaluate and Test Problem A common Scheme idiom is to return #f in the case of failure and a useful value otherwise. For example, the member function ...
StructureFunctionalUpdates 11 Jun 2007 - 20:34 - r1.2 DanielSilva
  STARTINCLUDE Functional Updates Problem You want to update fields without overwriting an existing structure. Solution The PLT Scheme standard libraries provide a ...
IdiomLoopingConstructs 02 Jun 2007 - 04:43 - r1.13 TwobitSprite
  STARTINCLUDE The "missing" looping constructs while , repeat-until and for . Problem The control constructs while , repeat-until and for are present in most mainstream ...
ProducerConsumerThreads 01 Jun 2007 - 23:17 - r1.3 EricHanchrow
  Consumer/Producer Threads Problem Some problems can be conveniently solved using a consumer/producer model. A producer generates data, which a consumer must handle ...
CaseSensitivity 31 May 2007 - 23:14 - r1.4 MichalKwiatkowski
  STARTINCLUDE Case Sensitivity Problem This recipe gives solutions for dealing with case insensitive code in a case sensitive language and vice versa. Introduction ...
MacroExampleASimplePatternMatcher 23 May 2007 - 13:00 - NEW JensAxelSoegaard
  STARTINCLUDE Macro Example: A simple pattern matcher Problem Write a simple pattern matcher with syntax-rules. Solution The following is a very naïve implementation ...
IdiomPrematureReturn 19 May 2007 - 03:32 - r1.8 AntonVanStraaten
  STARTINCLUDE Returning prematurely from a function Problem You are either porting code from an imperative language (like C) as literally as possible and they suddenly ...
WebHome 19 May 2007 - 01:59 - r1.36 JeffBuckley
  Welcome to the Schematics Scheme Cookbook. The Schematics Scheme Cookbook is a BecomingAnAuthor collaborative effort to produce documentation and recipes for using ...
GettingStartedMisc 10 May 2007 - 19:45 - r1.7 DannyYoo
  Miscellaneous Differences from Standard Scheme Square Brackets People who know some Scheme are often surprised to see square brackets in PLT Scheme programs. They ...
NumberPrinting 05 May 2007 - 14:02 - r1.2 GeoffKnauth
  STARTINCLUDE Printing Numbers Problem You want to print a number with a specified a format. Solution The generic printing functions, display , write , format , and ...
IdiomOptionalArguments 04 May 2007 - 16:22 - r1.7 JohnClements
  STARTINCLUDE Optional arguments Problem Some functions take arguments that only in exceptional cases are different from a default value. Optional arguments makes ...

Number of topics : 50


 
 
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