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• Today's Links (6/28/2011)

  - by Bob Rhubart

  Connecting People, Processes, and Content: An Online Event | Brian Dirking Dirking shares information on an Oracle Online Forum coming up on July 19. Social Relationships don't count until they count | Steve Jones "It's actually the interactions that matter to back up the social experience rather than the existence of a social link," says Jones. ORACLENERD: KScope 11: Cary Millsap Commenting on Cary Millsap's KScope presentation on Agile, Oracle ACE Chet Justice says, "I fight with methodology on a daily basis, mostly resulting in me hitting my head against the closest wall." The Sage Kings of Antiquity | Richard Veryard "Given that the empirical evidence for enterprise architecture is fairly weak, anecdotal and inconclusive, we are still more dependent than we might like on the authority of experts," says Veryard, "whether this be semi-anonymous committees (such as TOGAF) or famous consultants (such as Zachman)." Oracle Business Intelligence Blog: New BI Mobile Demos "These are short videos that showcase some of the capabilities in our mobile app," says Abhinav Agarwal. "One focuses on the Oracle BI platform, while the other showcases what is possible with the mobile app accessing Oracle Business Intelligence Applications, like Financial Analytics." MySQL HA Events in the UK, Germany & France | Oracle's MySQL Blog Oracle is running MySQL High Availability breakfast seminars in London (June 29), Düsseldorf (July 13) and Paris (September 7). "During these free seminars, we will review the various options and technologies at your disposal to implement highly available and highly scalable MySQL infrastructures, as well as best practices in terms of architectures," says Bertrand Matthelié. VENNSTER BLOG: User Experience in Fusion apps "When I heard about the Fusion Applications User Experience efforts, I was skeptical," says Oracle ACE Director Lonneke Dikmans of Vennster "My view of Oracle and User Experience has changed drastically today." Power Your Cloud with Oracle Fusion Middleware Running in over 50 cities across the globe, this event is aimed at Architects, IT Managers, and technical leaders like you who are using Fusion Middleware or trying to learn more about middleware in the context of Cloud computing.

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• links for 2010-06-15

  - by Bob Rhubart

  You're invited : Oracle Solaris Day, June 28th, Herzliya - Openomics How open innovation and technology adoption translates to business value, with stories from our developer support work at Sun ISV Engineering (tags: ping.fm) Edwin Biemond: Enriching and Forwarding your data with the Spring Component in SOA Suite 11g PS2 Oracle ACE Edwin Biemond describes "how easy it is to use Java in the Spring Component, how you can wire this Component to other Components, Services or References adapters." (tags: oracleace soa oracle middleware) Venkatakrishnan J: Oracle BI EE 10.1.3.4.1 - Currency Conversions & FX Translations &ndash; Part 1 "As part of the BI EE setup we need to ensure that such local currency transactions are converted to a common reporting currency," says Rittman Mead's Venkatakrishnan. (tags: oracle businessintelligence) Richard Veryard: Ecosystem SOA 2 "What are the problems of large complex sociotechnical systems?" asks Rich Veryard?  "How far do SOA and enterprise architecture help to address this problem space, and what else might we need?" (tags: soa entarch) Khanderao Kand: Oracle BPM Suite .. unified engine.. "This Suite is based on unified process foundation of Oracle Business Process Management Suite 11g . It has the same engine that executes both BPEL and BPMN processes, " says Kand.  (tags: bpel soa bpm oracle) Webcast: Revealing the Secrets that will Re-Energize your Services Strategies  Oracle's Peter Heller and Robert Covington discuss how to overcome the many unforeseen technical and organizational barriers in order to meet the high expectations of dynamic business requirements in this live webcast, July 14, 2010, 9:00 AM PDT / Noon EDT (tags: entarch oracle webcast)

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• Get to Know a Candidate (19-25 of 25): Independent Candidates

  - by Brian Lanham

  DISCLAIMER: This is not a post about “Romney” or “Obama”. This is not a post for whom I am voting.  Information sourced for Wikipedia. The following independent candidates have gained access to at least one state ballot. Richard Duncan, of Ohio; Vice-presidential nominee: Ricky Johnson Candidate Ballot Access: Ohio - (18 Electoral)  Write-In Candidate Access: Alaska, Florida, Indiana, Maryland Randall Terry, of West Virginia; Vice-presidential nominee: Missy Smith Candidate Ballot Access: Kentucky, Nebraska, West Virginia - (18 Electoral)  Write-In Candidate Access: Colorado, Indiana Sheila Tittle, of Texas; Vice-presidential nominee: Matthew Turner Candidate Ballot Access: Colorado, Louisiana - (17 Electoral) Jeff Boss, of New Jersey; Vice-presidential nominee: Bob Pasternak Candidate Ballot Access: New Jersey - (14 Electoral) Dean Morstad, of Minnesota; Vice-presidential nominee: Josh Franke-Hyland Candidate Ballot Access: Minnesota - (10 Electoral)  Write-In Candidate Access: Utah Jill Reed, of Wyoming; Vice-presidential nominee: Tom Cary Candidate Ballot Access: Colorado - (9 Electoral)  Write-In Candidate Access: Indiana, Florida Jerry Litzel, of Iowa; Vice-presidential nominee: Jim Litzel Candidate Ballot Access: Iowa - (6 Electoral) That wraps it up people. We have reviewed 25 presidential candidates in the 2012 U.S. election. Look for more blog posts about the election to come.

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• Google+ Platform Office Hours for April 25, 2012: Q&A with the Hangouts API Team

  Google+ Platform Office Hours for April 25, 2012: Q&A with the Hangouts API Team This week we were joined by Richard Dunn of the Hangouts API team who answered questions about the Hangouts API. Discuss this video on Google+: goo.gl 1:09 - What's going on with the Hangouts API? 3:43 - Jason shares information about his current projects 5:40 - Can I prevent a Hangout app from running within a Hangout On Air? 8:05 - Can we have APIs to control On Air features? 10:05 - Could a Silverlight / JavaScript bridge be created so we can use them in Hangout Apps? 12:01 - Is there a way to obfuscate the code for a Hangouts app? 15:24 - Are there plans to consolidate the various comment and chat channels for Hangouts On Air? 18:53 - When will Hangouts On Air come to Android? 20:48 - How can I access the OAuth token from the API? - developers.google.com 22:39 - When will we have Hangout apps on the mobile devices? 24:57 - Is it possible to search for 2 or more hash tags via the search REST API? 25:45 - Will we see a PHP REST API demo today? 26:20 - How can I restrict usage of a Hangout app? 30:07 - How do you hold a hangout that is simulcast on YouTube? 31:07 - Why do users show up as empty objects before they've authorized the app? 32:52 - What are the best practice for storing user specific configuration? 38:06 - Is anyone doing in application payment? 39:22 - Has anyone written any books about Hangout apps? From: GoogleDevelopers Views: 1619 19 ratings Time: 42:04 More in Science & Technology

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• How do I set permissions on a Server 2003 folder

  - by Richard210363

  Hi There, In my part time position as entire IT department at my Office ( I'm a MCSD developer normally ) I have been asked to change a shared folder. Only I don't really understand all the Shared / Security options. I have a folder that must be accessed by 2 people in the company (and no one else). They both must have read/write/edit and change access. They must be able to read/write/edit each others files; existing or newly created. Should be easy but I'm a bit overwhelemd by all the choices. What should I set? Thanks for your help richard

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• Ivy resolve not working with dynamic artifact

  - by richever

  I've been using Ivy a bit but I seem to still have a lot to learn. I have two projects. One is a web app and the other is a library upon which the web app depends. The set up is that the library project is compiled to a jar file and published using Ivy to a directory within the project. In the web app build file, I have an ant target that calls the Ivy resolve ant task. What I'd like to do is have the web app using the dynamic resolve mode during development (on developer's local machines) and default resolve mode for test and production builds. Previously I was appending a time stamp to the library archive file so that Ivy would notice changes in file when the web app tried to resolve its dependency on it. Within Eclipse this is cumbersome because, in the web app, the project had to be refreshed and the build path tweaked every time a new library jar was published. Publishing a similarly named jar file every time would, I figure, only require developers to refresh the project. The problem is that the web app is unable to retrieve the dynamic jar file. The output I get looks something like this: resolve: [ivy:configure] :: Ivy 2.1.0 - 20090925235825 :: http://ant.apache.org/ivy/ :: [ivy:configure] :: loading settings :: file = /Users/richard/workspace/webapp/web/WEB-INF/config/ivy/ivysettings.xml [ivy:resolve] :: resolving dependencies :: com.webapp#webapp;[email protected] [ivy:resolve] confs: [default] [ivy:resolve] found com.webapp#library;latest.integration in local [ivy:resolve] :: resolution report :: resolve 142ms :: artifacts dl 0ms --------------------------------------------------------------------- | | modules || artifacts | | conf | number| search|dwnlded|evicted|| number|dwnlded| --------------------------------------------------------------------- | default | 1 | 0 | 0 | 0 || 0 | 0 | --------------------------------------------------------------------- [ivy:resolve] [ivy:resolve] :: problems summary :: [ivy:resolve] :::: WARNINGS [ivy:resolve] :::::::::::::::::::::::::::::::::::::::::::::: [ivy:resolve] :: UNRESOLVED DEPENDENCIES :: [ivy:resolve] :::::::::::::::::::::::::::::::::::::::::::::: [ivy:resolve] :: com.webapp#library;latest.integration: impossible to resolve dynamic revision [ivy:resolve] :::::::::::::::::::::::::::::::::::::::::::::: [ivy:resolve] :::: ERRORS [ivy:resolve] impossible to resolve dynamic revision for com.webapp#library;latest.integration: check your configuration and make sure revision is part of your pattern [ivy:resolve] [ivy:resolve] :: USE VERBOSE OR DEBUG MESSAGE LEVEL FOR MORE DETAILS BUILD FAILED /Users/richard/workspace/webapp/build.xml:71: impossible to resolve dependencies: resolve failed - see output for details The web app resolve target looks like this: <target name="resolve" depends="load-ivy"> <ivy:configure file="${ivy.dir}/ivysettings.xml" /> <ivy:resolve file="${ivy.dir}/ivy.xml" resolveMode="${ivy.resolve.mode}"/> <ivy:retrieve pattern="${lib.dir}/[artifact]-[revision].[ext]" type="jar" sync="true" /> </target> In this case, ivy.resolve.mode has a value of 'dynamic' (without quotes). The web app's Ivy file is simple. It looks like this: <ivy-module version="2.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="http://ant.apache.org/ivy/schemas/ivy.xsd"> <info organisation="com.webapp" module="webapp"/> <dependencies> <dependency name="library" rev="${ivy.revision.default}" revConstraint="${ivy.revision.dynamic}" /> </dependencies> </ivy-module> During development, ivy.revision.dynamic has a value of 'latest.integration'. While, during production or test, 'ivy.revision.default' has a value of '1.0'. Any ideas? Please let me know if there's any more information I need to supply. Thanks!

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• EXC_BAD_ACCESS in CFAttributedStringSetAttribute and NSNumber?

  - by RichardR

  Hi all, I am getting an infuriating EXC_BAD_ACCESS error in an objective c app I am working on. Any help you could offer would be much appreciated. I have tried the normal debug methods for this error (turning on NSZombieEnabled, checking retain/release/autorelease to make sure I'm not trying to access a deallocated object, etc.) and it hasn't seemed to help. Basically, the error always occurs in this function: ` void op_TJ(CGPDFScannerRef scanner, void *info) { PDFPage *self = info; CGPDFArrayRef array; NSMutableString *tempString = [NSMutableString stringWithCapacity:1]; NSMutableArray *kernArray = [[NSMutableArray alloc] initWithCapacity:1]; if(!CGPDFScannerPopArray(scanner, &array)) { [kernArray release]; return; } for(size_t n = 0; n < CGPDFArrayGetCount(array); n += 2) { if(n >= CGPDFArrayGetCount(array)) continue; CGPDFStringRef pdfString; // if we get a PDF string if (CGPDFArrayGetString(array, n, &pdfString)) { //get the actual string const unsigned char *charstring = CGPDFStringGetBytePtr(pdfString); //add this string to our temp string [tempString appendString:[NSString stringWithCString:(const char*)charstring encoding:[self pageEncoding]]]; //NSLog(@"string: %@", tempString); //get the space after this string CGPDFReal r = 0; if (n+1 < CGPDFArrayGetCount(array)) { CGPDFArrayGetNumber(array, n+1, &r); // multiply by the font size CGFloat k = r; k = -k/1000 * self.tmatrix.a * self.fontSize; CGFloat kKern = self.kern * self.tmatrix.a; k = k + kKern; // add the location and kern to the array NSNumber *tempKern = [NSNumber numberWithFloat:k]; NSLog(@"tempKern address: %p", tempKern); [kernArray addObject:[NSArray arrayWithObjects:[NSNumber numberWithInt:[tempString length] - 1], tempKern, nil]]; } } } // create an attribute string CFMutableAttributedStringRef attString = CFAttributedStringCreateMutable(kCFAllocatorDefault, 10); CFAttributedStringReplaceString(attString, CFRangeMake(0, 0), (CFStringRef)tempString); //apply overall kerning NSNumber *tkern = [NSNumber numberWithFloat:self.kern * self.tmatrix.a * self.fontSize]; CFAttributedStringSetAttribute(attString, CFRangeMake(0, CFAttributedStringGetLength(attString)), kCTKernAttributeName, (CFNumberRef)tkern); //apply individual kern attributes for (NSArray *kernLoc in kernArray) { NSLog(@"kern location: %i, %i", [[kernLoc objectAtIndex:0] intValue],[[kernLoc objectAtIndex:1] floatValue]); CFAttributedStringSetAttribute(attString, CFRangeMake([[kernLoc objectAtIndex:0] intValue], 1), kCTKernAttributeName, (CFNumberRef)[kernLoc objectAtIndex:1]); } CFAttributedStringReplaceAttributedString([self cfAttString], CFRangeMake(CFAttributedStringGetLength([self cfAttString]), 0), attString); //release CFRelease(attString); [kernArray release]; } ` The program always crashes because of line CFAttributedStringSetAttribute(attString, CFRangeMake([[kernLoc objectAtIndex:0] intValue], 1), kCTKernAttributeName, (CFNumberRef)[kernLoc objectAtIndex:1]) And it seems to depend on a few things: if [kernLoc objectAtIndex:1] refers to an [NSNumber numberWithFloat:k] where k = 0 (in other words, if k = 0 above where I populate kernArray) then the program crashes almost immediately If I comment out the line k = k + kKern, it takes longer for the program to crash, but does eventually (why would the crash depend on this value?) If I change the length of CFRangeMake from 1 to 0, it takes a lot longer for the program to crash, but still eventually does. (I don't think I am trying to access beyond the bounds of attString, but am I missing something?) When it crashes, I get something similar to: #0 0x942c7ed7 in objc_msgSend () #1 0x00000013 in ?? () #2 0x0285b827 in CFAttributedStringSetAttribute () #3 0x0000568f in op_TJ (scanner=0x472a590, info=0x4a32320) at /Users/Richard/Desktop/AppTest/PDFHighlight 2/PDFScannerOperators.m:251 Any ideas? It seems like somewhere along the way I am overwriting memory or trying to access memory that has been changed, but I have no idea. If there's anymore information I can provide, please let me know. Thanks, Richard

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• Unable to edit a database row from JSF

  - by user1924104

  Hi guys i have a data table in JSF which displays all of the contents of my database table, it displays it fine, i also have a delete function that can successfully delete from the database fine and updates the data table fine however when i try to update the database i get the error java.lang.IllegalArgumentException: Cannot convert richard.test.User@129d62a7 of type class richard.test.User to long below is the code that i have been using to delete the rows in the database that is working fine : public void delete(long userID) { PreparedStatement ps = null; Connection con = null; if (userID != 0) { try { Class.forName("com.mysql.jdbc.Driver"); con = DriverManager.getConnection("jdbc:mysql://localhost:3306/test", "root", "root"); String sql = "DELETE FROM user1 WHERE userId=" + userID; ps = con.prepareStatement(sql); int i = ps.executeUpdate(); if (i > 0) { System.out.println("Row deleted successfully"); } } catch (Exception e) { e.printStackTrace(); } finally { try { con.close(); ps.close(); } catch (Exception e) { e.printStackTrace(); } } } } i simply wanted to edit the above code so it would update the records instead of deleting them so i edited it to look like : public void editData(long userID) { PreparedStatement ps = null; Connection con = null; if (userID != 0) { try { Class.forName("com.mysql.jdbc.Driver"); con = DriverManager.getConnection("jdbc:mysql://localhost:3306/test", "root", "root"); String sql = "UPDATE user1 set name = '"+name+"', email = '"+ email +"', address = '"+address+"' WHERE userId=" + userID; ps = con.prepareStatement(sql); int i = ps.executeUpdate(); if (i > 0) { System.out.println("Row updated successfully"); } } catch (Exception e) { e.printStackTrace(); } finally { try { con.close(); ps.close(); } catch (Exception e) { e.printStackTrace(); } } } } and the xhmtl is : <p:dataTable id="dataTable" var="u" value="#{userBean.getUserList()}" paginator="true" rows="10" editable="true" paginatorTemplate="{CurrentPageReport} {FirstPageLink} {PreviousPageLink} {PageLinks} {NextPageLink} {LastPageLink} {RowsPerPageDropdown}" rowsPerPageTemplate="5,10,15"> <p:column> <f:facet name="header"> User ID </f:facet> #{u.userID} </p:column> <p:column> <f:facet name="header"> Name </f:facet> #{u.name} </p:column> <p:column> <f:facet name="header"> Email </f:facet> #{u.email} </p:column> <p:column> <f:facet name="header"> Address </f:facet> #{u.address} </p:column> <p:column> <f:facet name="header"> Created Date </f:facet> #{u.created_date} </p:column> <p:column> <f:facet name="header"> Delete </f:facet> <h:commandButton value="Delete" action="#{user.delete(u.userID)}" /> </p:column> <p:column> <f:facet name="header"> Delete </f:facet> <h:commandButton value="Edit" action="#{user.editData(u)}" /> </p:column> currently when you press the edit button it will only update it with the same values as i haven't yet managed to get the datatable to be editable with the database, i have seen a few examples with an array list where the data table gets its values from but never a database so if you have any advice on this too it would be great thanks

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• R: NA/NaN/Inf in foreign function call (arg 1)

  - by Ma Changchen

  When i use a package named HydroMe to fit a model, some data groups will return the following errors: Error in qr.default(.swts * attr(rhs, "gradient")) : NA/NaN/Inf in foreign function call (arg 1) Actually,there is no missing value in the data groups. the codes are as followed: library(HydroMe) fortst<-read.csv(file="F:/fortst.csv") van.lis <-nlsList(y~SSvan(x,Thr, Ths, alp, scal)|Sample,data=fortst) datas are as following: Sample x y 1116 0.000001 0.4003 1116 10 0.3402 1116 20 0.3439 1116 30 0.3432 1116 40 0.3426 1116 60 0.3379 1116 90 0.3325 1116 180 0.3212 1116 405 0.3033 1116 810 0.2843 1116 1630 0.2659 1117 0.000001 0.3785 1117 10 0.3173 1117 20 0.3199 1117 30 0.3193 1117 40 0.3179 1117 60 0.313 1117 90 0.308 1117 180 0.2973 1117 405 0.2789 1117 810 0.2608 1117 1630 0.2405 the example data can be downloaded from here.

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• Practical guide to programming paradigms ?

  - by Pierre

  I think I might be misunderstanding the whole thing and I am looking for some programming wisdom. When faced with a programming challenge, I feel the most important question is "which programming paradigm(s) are better suited to handle it, and how to apply them". A distant second is "which language to use". Yet it seems that most of the programming related content I stumble upon on the Internet has it exactly backwards and focuses mostly on the language choice. An object-oriented solution is fundamentaly the same, whether it's implemented in c++, Java or PHP... So where is the paradigm centered content? Where is the "practical guide to programming paradigms and implementations" and other literature helping bringing real-world and programming concepts together? Note: I already know about "Programming Paradigms for Dummies: What Every Programmer Should Know" from Peter Van Roy.

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• Comparing Clojure books

  - by Michiel Borkent

  Currently there is (afaik) one completed Clojure book available: Programming Clojure by Stuart Halloway. Two are being written and partially available at Manning: The Joy of Clojure by Fogus and Houser Clojure in Action by Amit Rathore Another one is about to be published in May: Practical Clojure (The Definitive Guide) by Luke Van der Hart Are these books more or less the same and meant as a general introduction to Clojure? Does it make sense to buy them all, or is there a risk of having three very similar books? Will there be books that go into more specialized areas of Clojure and targetted for 'intermediate' or 'advanced' Clojure programmers?

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• Which is faster in Python: x**.5 or math.sqrt(x)?

  - by Casey

  I've been wondering this for some time. As the title say, which is faster, the actual function or simply raising to the half power? UPDATE This is not a matter of premature optimization. This is simply a question of how the underlying code actually works. What is the theory of how Python code works? I sent Guido van Rossum an email cause I really wanted to know the differences in these methods. My email: There are at least 3 ways to do a square root in Python: math.sqrt, the '**' operator and pow(x,.5). I'm just curious as to the differences in the implementation of each of these. When it comes to efficiency which is better? His response: pow and ** are equivalent; math.sqrt doesn't work for complex numbers, and links to the C sqrt() function. As to which one is faster, I have no idea...

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• regex , php, preg_match

  - by Michael

  I'm trying to extract the mileage value from different ebay pages but I'm stuck as there seem to be too many patterns because the pages are a bit different . Therefore I would like to know if you can help me with a better pattern . Some examples of items are the following : http://cgi.ebay.com/ebaymotors/1971-Chevy-C10-Shortbed-Truck-/250647101696?cmd=ViewItem&pt=US_Cars_Trucks&hash=item3a5bbb4100 http://cgi.ebay.com/ebaymotors/1987-HANDICAP-LEISURE-VAN-W-WHEEL-CHAIR-LIFT-/250647101712?cmd=ViewItem&pt=US_Cars_Trucks&hash=item3a5bbb4110 http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItemNext&item=250647101696 Please see the patterns at the following link (I still cannot figure it out how to escape the html here http://pastebin.com/zk4HAY3T However they are not enough many as it seems there are still new patters....

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• Silverlight 4 Drag and Drop Alternatives

  - by Eric J.

  I want to add the ability to drag a user control from one part of a Silverlight 4 page onto another user control on the same page (not talking about the new Silverlight 4 ability to drag a file from the OS onto the page). What approach is most straightforward? What approach offers the most flexibility? Here are some alternatives I found so far SO drag-and-drop-control-for-silverlight. Same question but answers apply to SL 2. Alex van Beek's DragManager. Written for SL3. Silverlight Drag Drop. Also written for SL3.

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• Dynamic typed language example using ANTLR

  - by wvd

  Hey all, I'm looking for some ANTLR examples, I tried googling a bit but I found certain things which didn't fit my requirments. I found the Mantra project, but it's statically typed and is 'too' big for me at this moment, then I found 'pie' as interpreter, which is dynamically typed, which what I want, but it uses a syntax-directed interpreter. I'm looking for a pretty small language which is dynamically typed and uses AST's if possible. It doesn't need to be advanced, if it would have classes I would already be very happy. Thanks, William van Doorn

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• jquery slideUp() and slideDown() problems

  - by nhoss2

  Hello, I am very crap at jquery, and im having some trouble with the slideUp() and slideDown() animations. I have been working on a vCard design similar to tim van damme's site. here is a the link to the design: link. When you click on the portfolio or work button, the text or image appears first before the div finishes sliding down. I would like the div to slide down first and then show the text... This currently works when you click on the contact button or the home button on the top navigation bar, but does not work for the portfolio button and the work button. I have a hunch that this may not even be a jquery problem, and that its just my bad css code, but I have skimmed through the css code, and changed things like z-index, but that hasnt worked.

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• Sharepoint: Is it possible to automate the deployment of a custom CAS policy?

  - by user332133

  Hi all, I'm looking for a way to automate the deployment of a custom CAS policy in SharePoint. What i would like to achieve is the following: All assemblies that have been built and signed by our build server (with a secret key) should run in SharePoint under the 'higher than normal' trust level. Now I can manually edit the cas policy files to include something like this: <CodeGroup class="UnionCodeGroup" version="1" PermissionSetName="MyPermissionSet" Name="[My Company public key]" Description="Grants all "> <IMembershipCondition class="StrongNameMembershipCondition" version="1" PublicKeyBlob="[public key goes here]" /> </CodeGroup> And that works great. However, we have several huge sharepoint farms, with many applications running on it. I'd like to avoid having to manually edit all policy files to include this xml snippet. Is there a way to automate this? For example, from a feature? With kind regards, Erwin van der Valk

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• Writing a search engine

  - by wvd

  Hello all, The title might be a bit misleading, but I couldn't figure out a better title. I'm writing a simple search engine which will search on several sites for the specific domain. To be concrete: I'm writing a search engine for hardstyle livesets/aftermovies/tracks. To do I will search on the sites who provide livesets, tracks, and such. The problem here is speed, I need to pass the search query to 5-7 sites, get the results and then use my own algorithm to display the results in a sorted order. I could just "multithread" it, but it's easier said then done so I have a few questions. What would be the best solution to this problem? Should I just multithread/process this application, so I'm going to get a bit of speed-up? Are there any other solutions or I am doing something really wrong? Thanks, William van Doorn

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• Haxe app and Gtk-WARNING on linux servers

  - by Cambiata

  Hi! I'm trying a Haxe-compiled solution called FAR (Flash Archiver) created by Edwin Van Rijkom (http://code.google.com/p/vanrijkom-flashlibs/) wich uses a command-line tool for creating compressed archives. When running the FAR tool locally on my ubuntu laptop, everything works fine. When running remotely (terminal as Root) on my Ubuntu and Debian servers, it gives the following error: Gtk-WARNING **: cannot open display: I've tried to reach Edvin about this, but no response so far. Maybe it has something to do with installation or user rights on the server? Any clue?

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• Devision in c# not going the way i expect

  - by Younes

  Im trying to write something to get my images to show correctly. I have 2 numbers "breedtePlaatje" and "hoogtePlaatje". When i load those 2 vars with the values i get back "800" and "500" i expect "verH" to be (500 / 800) = 0,625. Tho the value of verH = 0.. This is the code: int breedtePlaatje = Convert.ToInt32(imagefield.Width); int hoogtePlaatje = Convert.ToInt32(imagefield.Height); //Uitgaan van breedte plaatje if (breedtePlaatje > hoogtePlaatje) { double verH = (hoogtePlaatje/breedtePlaatje); int vHeight = Convert.ToInt32(verH * 239); mOptsMedium.Height = vHeight; mOptsMedium.Width = 239; //Hij wordt te klein en je krijgt randen te zien, dus plaatje zelf instellen if (hoogtePlaatje < 179) { mOptsMedium.Height = 179; mOptsMedium.Width = 239; } } Any tips regarding my approach would be lovely aswell.

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• Python: Get items at depth? (set library?)

  - by Mark

  I have a nested list something like this: PLACES = ( ('CA', 'Canada', ( ('AB', 'Alberta'), ('BC', 'British Columbia' ( ('van', 'Vancouver'), ), ... )), ('US', 'United States', ( ('AL', 'Alabama'), ('AK', 'Alaska'), ... I need to retrieve some data out of it. If depth is 0 I need to retrieve all the countries (and their codes), if depth == 1, I need to retrieve all the states/provinces, if depth == 2 I need to retrieve all the cities... and so forth. Is there some set library for doing stuff like this? Or can someone point me in the right direction? I started coding up a solution only to realize it wouldn't work for levels deeper than 1 because you have to go in and out of each list...

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• Git to svn: Adding commit date to log messages

  - by Arnauld VM

  How should I do to have the author (or committer) name/date added to the log message when "dcommitting" to svn? For example, if the log message in Git is: This is a nice modif I'd like to have the message in svn be something like: This is a nice modif ----- Author: John Doo <[email protected] 2010-06-10 12:38:22 Committer: Nice Guy <[email protected] 2010-06-10 14:05:42 (Note that I'm mainly interested in the date, since I already mapped svn users in .svn-authors) Any simple way? Hook needed? Other suggestion? (See also: http://article.gmane.org/gmane.comp.version-control.git/148861) Thank you in advance. Yours faithfully, -- Arnauld Van Muysewinkel

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• Can a Domain Specific Language (DSL) be localized?

  - by michielvoo

  I have never written a DSL, but I am considering it as a feature for a new project (hypothetical). It would be for end users to be able to express in natural language concepts such as weekdays between 10 and 11 except on the first monday of the month. Dutch users might write weekdagen tussen 10 en 11 behalve op de eerste maandag van de maand. In this case the position of the words seems to match, but there may be expressions where the position of verbs/nouns etc. could be different between languages. I realise the obvious answer (it depends). I am a .NET developer and I consider using Boo but I'm open to suggestions. I need to understand wether each translation requires rewriting a part of the implementation (which part) or if there is a way to do actual translations, maybe in some sort of preprocessor. Thanks!

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• What is the best Java numerical method package?

  - by Bob Cross

  I am looking for a Java-based numerical method package that provides functionality including: Solving systems of equations using different numerical analysis algorithms. Matrix methods (e.g., inversion). Spline approximations. Probability distributions and statistical methods. In this case, "best" is defined as a package with a mature and usable API, solid performance and numerical accuracy. Edit: derick van brought up a good point in that cost is a factor. I am heavily biased in favor of free packages but others may have a different emphasis.

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• extracting a quadrilateral image to a rectangle

  - by Will

  In the image below, the sign on the side of the van is not face-on to the camera. I want to calculate, as best I can with the pixels I have, what it'd look like face on. I imagine that this is some kind of loop through the x and y axis doing a Bresenham's line on both dimensions at once with some kind of mixing when pixels in the source image overlap - some sub-pixel mixing of some sort? What approaches are there, and how do you mix the pixels? Is there a standard approach for this?

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