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• The way to deploy from repos in svn

  - by fatnjazzy

  Hi, we are 5 developers working in an svn environment. every programmer can work on small bugs and commit whenever he wants. after the work has done, i want to give them the way to deploy to the production without considering the other programmers and their deployment. for example: while i am committing, other user is committing too but he did not finish to commit. his revisions 1,3 my revisions 2,4 if i will deploy the HEAD(4), ill also deploy his work. and i will deploy 2 and 4 i will include his files as well. how can i free every programmer to deploy his files only? Thanks

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• ShapeFile with Z Co-ordinates

  - by ace_mccloud

  I have 3 shapefiles, two of them wihtout the Z Co-ordinates elevation but 1 of them has a Z co-ordinate elevation. I can load two ShapeFiles into my SQL Server Database which does not have Z Co-ordinates. But I am having issue loading the Z Co-ordinate file into the database. I have been reading different forums and got a suggestion that I need to trim the Z coordinates(chnage 3D to 2D) to load into the database. I was just wondering how can I achieve this? Can anyone suggest free tools or any method to do the same? Cheers, Rushir

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• Advantages of GitHub over Bitbucket for Git Repositories [closed]

  - by rolve

  Now that Bitbucket also supports Git repositories, it seams to me that it is a good alternative to GitHub, especially since its free plan includes unlimited private repositories, which is not available on GitHub. Yet, GitHub seams much more popular. Are there any major reasons to choose GitHub as the hosting site for Git repositories instead of Bitbucket? (Although I have no problems with making my personal projects publicly available in general, I like the idea of being able to make the switch from public to private or vice versa any time I want. But if there are some good reasons to use GitHub, I would be willing to give up this freedom.)

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• Inter-rater agreement (Fleiss' Kappa, Krippendorff's Alpha etc) Java API?

  - by adam

  I am working on building a Question Classification/Answering corpus as a part of my masters thesis. I'm looking at evaluating my expected answer type taxonomy with respect to inter-rater agreement/reliability, and I was wondering: Does anybody know of any decent (preferably free) Java API(s) that can do this? I'm reasonably certain all I need is Fleiss' Kappa and Krippendorff's Alpha at this point. Weka provides a kappa statistic in it's evaluation package, but I think it can only evaluate a classifier and I'm not at that stage yet (because I'm still building the data set and classes). Thanks.

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• Force freeing memory in PHP

  - by DBa

  Hi everybody, in a PHP program, I sequentially read a bunch of files (with file_get_contents), gzdecode them, json_decode the result, analyze the contents, throw the most of it away, and store about 1% in an array. Unfortunately, with each iteration (I traverse over an array containing the filenames), there seems to be some memory lost (according to memory_get_peak_usage, about 2-10 MB each time). I have double- and triplechecked my code, I am not storing unneded data in the loop (and the needed data hardly exceeds about 10MB overall), but I am frequently rewriting (actually, strings in an array). Apparently, PHP does not free the memory correctly, thus using more and more RAM until it hits the limit. Is there any way to do a forced garbage collection? Or, at least, to find out where the memory is used? Thanks in advance, Dmitri

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• Notepad++ regular expression find and replace $_REQUEST with $_GET but a more secure

  - by David

  What I am doing is replacing, in a large program, all $_REQUEST['var'] and mysql_escape_string($_REQUEST['var']) with either the 1st or 2nd line below the dotted line. Now, I have figured out this much of the regular expression but I would like to make it simpler. Instead of having to run the top one first then the 2nd one I would like to just run one all together. I tried this but it did not work. (mysql_escape_string\()*$_REQUEST\[\'([^']*)\'\]\)(\)*) So below is what works but again have to do it twice. $_REQUEST\[\'([^']*)\'\] mysql_escape_string\($_REQUEST\[\'([^']*)\'\]\) (isset($_GET['\1'])?mysql_real_escape_string($_GET['\1']):false) (isset($_POST['\1'])?mysql_real_escape_string($_POST['\1']):false) ============================ Update: Yeah, after some research I figured out that Notepad++ does not support most regular expressions. I guess one additional step can not hurt a person. It's just laziness. *NOTE: BUT if anyone wants to try feel free to comment. At least it is just 2 steps and not 20.

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• Operators vs Functions in C/C++

  - by user356106

  Someone recently asked me the difference between a C++ standard operator (e.g. new,delete,sizeof) and function (e.g. tan,delete, malloc). By "standard" I mean those provided by default by the compiler suite, and not user defined. Below were the answers I gave, though neither seemed satisfactory. (1) An operator doesn't need any headers to be included to use it : E.g. you can have a call to new without including any headers. However, a function (say free() ) does need headers included, compulsorily. (2) An operator is defined as such (ie as a class operator) somewhere in the standard headers. A function isn't. Can you critique these answers and give me a better idea of the difference?

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• Simple graphics import and manipulation

  - by gnuboi

  What do I need to do something like this? User builds a diagram and tags certain boxes and circles with text. User imports diagram into my program. My program processes the tagged boxes and circles and fills them with different colors. My program exports color-filled diagram. So the questions are... What graphics format supports tag-able boxes and circles? What existing application should I recommend users to use to produce diagrams in the above format? Would this graphics format be very easily readable in code to do things like reading tags and coloring in the associated boxes and circles? Free / open source libraries and apps are desired as this would be for academic use. Thank you!

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• How do I create a create and execute an SQL command using OleDB directly?

  - by Pagis

  I want to use the OleDB interfaces directly to open a connection to a DB, create a command and executing it (for example using the ICommandText interface). The main thing I can't find is how to create the connection and the command object and how to connect the object that implements the ICommandText to the connection. In ADO I would just use the ActiveConnection property but I want to do this directly on the OleDB interfaces. Also, if anyone can recommend a tutorial to OleDB, ether online or a book, free or not that would be great (but a tutorial and not just a reference / API) I'm using C++ but any native code would be fine.

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• Making commercial Java software

  - by roddik

  Hi. I intend to make some software to be sold over internet. I've only created open-source before, so I have really no idea of how to protect it from being cracked and distributed as warez. Bearing in mind that I know like two programms that aren't either cracked or not really useful I decided that the only more or less reliable way may look like this: Connect to a server and provide licensing info and some sort of hardware summary info If everything is fine, the server returns some crucial missing parts of the program bound to that certain pc along with the usage limit of say 2 days That crucial stuff is not saved to hard drive, so it is downloaded every time the program starts, if the programm runs more than 2 days, data is downloaded again If the same info is used from different computers, suspend the customer account What do you think about this? It may seem a bit to restrictive, but I'd better make less sales at first then eventually see my precious killer app downloaded for free. Anyways, first I need some basic theory/tutorials/guides about how to ensure that user only uses a certain Java app if he has paid for it, so please suggest some. Thanks

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• Using std::bad_alloc for C pointers

  - by otibom

  I'm using a library written in C in a C++ project. I'd like to use C++ exceptions to handle C errors. In particular, it would be nice to have an exception thrown if an allocation fails. I can do this in constructors of classes which hold C-style pointers to C structs : if (c_object == NULL) throw std::bad_alloc(); But if the class is responsible for several C objects they are no ways of free-ing all already allocated pointers since the destructor isn't called. I have a feeling I could use smart-pointers, but I don't have much experience with them. What's more, I have to have access to the original C pointers to use the C api properly. Is there an elegant solution to this ?

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• How the websocket bi-directional concept work?

  - by GMsoF

  I think the main difference between websocket and http streaming (I am not refering to polling and long polling) is websocket allows bi-directional communication which is similar to usual raw socket programming. (above is my understanding, could be wrong, feel free to correct me.) My question is how the web client (browser) continue to send another request in the already-opened websocket? Usual http request will treat another request as new socket connection, but websocket does not, that is why I am confused, how it achieve that? It should be handled in Server side or Client (browser) side?

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• weird problem..the exact xml work in one host and not working in another...

  - by Ofear

  hi all! i search alot for this but can't find an aswer... I have made a working xml parser using php. till today i host my files on a free web host, and everything works just fine. today i got access to my college server and i host my files there. now for some reason.. i can't make the parser work as i was in the free host... look on those files please: working site: xml file: [http://ofear.onlinewebshop.net/asce/calendar.xml] working parser is this: [http://ofear.onlinewebshop.net/asce/calendar.php] (the lower table is the xml,it's hebrew) not working site: xml file: [http://apps.sce.ac.il/agoda/calendar.xml] not working parser is this: [http://apps.sce.ac.il/agoda/calendar.php] anyone have idea why it's not working.. those are the same files and they should work. maybe it a server problem? calendar.xml: <?xml version="1.0" encoding="UTF-8" ?> <events> <record> <event>??? ???? ????? ???? ???</event> <eventDate>30/12/2010</eventDate> <desc>?????? ?? ????</desc> </record> <record> <event>??? ???? ??????? - 2 : ???? ??? ???? ??????</event> <eventDate>22/12/2010</eventDate> <desc>????? ???? ??????? ?????? ??? ???? ??????? ?????? ????? ?????? ?? ??? ???? ??????? 2 ??????? ????? ???????? 22-23 ?????? 2010. ???? ????? ???? ????? "?????? ????"</desc> </record> <record> <event>????? ???? ?????? ?????? - ?? ????</event> <eventDate>5/12/2010</eventDate> <desc>??? ????? 17:30-20:45</desc> </record> </events> parser: <?php $doc = new DOMDocument(); $doc->load( 'calendar.xml' ); $events = $doc->getElementsByTagName( "record" ); foreach( $events as $record ) { $events = $record->getElementsByTagName( "event" ); $event = $events->item(0)->nodeValue; $eventDates= $record->getElementsByTagName( "eventDate" ); $eventDate= $eventDates->item(0)->nodeValue; $descs = $record->getElementsByTagName( "desc" ); $desc = $descs->item(0)->nodeValue; echo "<tr><td>$event</td><td>$eventDate</td><td>$desc</td></tr>"; } ?> after a little debugging i saw that it's stop here: $doc = new DOMDocument(); and it's not doing anything after that. i think that the line above is the cos

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• A good ecommerce alternative to Magento?

  - by delboud

  I been dealing with Magneto for the last 6 months now and its a real headache, always some type of error, slow, bloated, dead community and overly complex to customize (and im a designer...) I look at others like zencart but seem kinda dated compared to magento, but are their any other solutions to replace magento thats better and with a good online community? the main selling points im looking for are configurable items (as in options for products), good online community and not so hard to customize or a nice amount of templates available. has to be free and hopefully open source and if it helps this is for a custom car accessories store

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• Subversion Copy Hook on Windows

  - by GeoSQL

  Hi I am working on a web based project in my free time. I have SVN set up on my machine (running XP). What I would like to do is have a copy of my repository copied to the htdocs folder (Dev machine) post-commit via a hook. That way I can test my changes in a browser. I know that I can write up a .bat file, but I'm not sure what the syntax would be. I can do a basic DOS Copy command, but I saw one example that provided a username and password to SVN at copy time. Do I need to do this? Can someone point me in the right direction as far a syntax for the .bat file? Or maybe even suggest a better method. Thanks

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• Regex: How to leave out webding font characters?

  - by DS

  Hi, I've a free text field on my form where the users can type in anything. Some users are pasting text into this field from Word documents with some weird characters that I don't want to go in my DB. (e.g. webding font characters) I'm trying to get a regular expression that would give me only the alphanum and the punctuation characters. But when I try the following, the output is still all the characters. How can I leave them out? <html><body><script type="text/javascript">var str="???????";document.write(str.replace(/[^a-zA-Z 0-9 [:punct]]+/g, " "));</script></body></html>

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• CMS or roll-yer-own?

  - by girlwithglasses

  I have a database of software tools and I want to be able to have users rate and comment on the tools, and view the ratings and comments that other users have left. To lower the risk of spammers attacking the site, I would like to be able to restrict comment/rating permissions to those who are logged in. At present, the tools are in a list on a static html page as part of a website that is very "non-interactive"; other than the contact form, there is nowhere that users contribute content to the site. We maintain a wiki (of the standard mediawiki flavour) that users can contribute to, and we also have a Drupal installation as a news site. Does anyone have any experience of creating such a rating/commenting system, and whether it would be better to use Mediawiki or Drupal (or another free CMS?), or to try to create something myself? Any advice would be appreciated. Thanks!

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• How to get the entire code of a method in memory so I can calculate its hash at runtime?

  - by bejo

  Hello stackoverflow, How to get the entire code of a method in memory so I can calculate its hash at runtime? I need to make a function like this: type TProcedureOfObject = procedure of object; function TForm1.CalculateHashValue (AMethod: TProcedureOfObject): string; var MemStream: TMemoryStream; begin result:=''; MemStream:=TMemoryStream.Create; try //how to get the code of AMethod into TMemoryStream? result:=MD5(MemStream); //I already have the MD5 function finally MemStream.Free; end; end; I use Delphi 7. Thank you.

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• How to prevent robots from automatically filling up a form?

  - by sombe

  I'm trying to come up with a good enough anti-spamming mechanism to prevent automatically generated input. I've read that techniques like captcha, 1+1=? stuff work well, but they also present an extra step impeding the free quick use of the application. (I'm not looking for anything like that please). I've tried setting some hidden fields in all of my forms, with display: none; However, I'm almost certain a robot (which is essentially a program) can be configured to trace that form field id and simply not fill it. Do you implement/know of a good anti automatic-form-filling-robots method? Is there something that can be done seamlessly with HTML AND/OR server side processing, and be (almost) foolproof? (and please no JS, one could simply disable it, and there goes my anti-spam method). Btw I'm trying not to rely on sessions for this (like, counting how many times a button is clicked to prevent overloads).

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• I'm trying to find an online classifieds software

  - by stackingtheoverflow

  ...for a client. Free or not, doesn't matter if its worth it. He told me he wants to do a Craigslist clone serving one specific geographical area only (a city that shall remain unnamed). It should also be multilingual and open-source (I want to be able to modify the code as needed). Right now I'm looking at ikiclassifieds.com, open-classifieds.com, and noahsclassifieds.org. Does anyone know of a classifieds software that meets the above mentioned criteria? Thanks!

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• design-pattern libraries ready-to-use?

  - by fayer

  symfony has released some of their components free to use outside the framework. i have used the event dispatcher and dependency injection...they are awesome! i wonder if there are other components/libraries (from other frameworks etc) that in the same way help you manage various design patterns? eg. decorator, facade, singleton, chain of commands etc. i think symfony is on the right path, abstracting away the design patterns. are there any other components out there doing the same? thanks

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• Boost Shared Pointers and Memory Management

  - by Izza

  I began using boost rather recently and am impressed by the functionality and APIs provided. In using boost::shared_ptr, when I check the program with Valgrind, I found a considerable number of "Still reachable" memory leaks. As per the documentation of Valgrind, these are not a problem. However, since I used to use the standard C++ library only, I always made sure that any program written is completely free from memory leaks. My question is, are these memory leaks something to worry about? I tried using reset(), however it only decrements the reference count, doesn't deallocate memory. Can I safely ignore these, or any way to forcibly deallocate the memory allocated by boost::shared_ptr? Thank you.

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• How to make an mutable C array for this data type?

  - by mystify

  There's this instance variable in my objective-c class: ALuint source; I need to have an mutable array of OpenAL Sources, so in this case probably I need a mutable C-array. But how would I create one? There are many questions regarding that: 1) How to create an mutable C-array? 2) How to add something to that mutable C-array? 3) How to remove something from that mutable C-array? 4) What memory management pitfalls must I be aware of? Must i free() it in my -dealloc method? And yes, I think this is something for the nice community wiki...

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• Delphi Memory Management

  - by nomad311

  I haven't been able to find the answers to a couple of my Delphi memory management questions. I could test different scenarios (which I did to find out what breaks the FreeAndNil method), but its takes too long and its hard! But seriously, I would also like to know how you all (Delphi developers) handle these memory management issues. My Questions (Feel free to pose your own I'm sure the answers to them will help me too): Does FreeAndNil work for COM objects? My thoughts are I don't need it, but if all I need to do is set it to nil than why not stay consistent in my finally block and use FreeAndNil for everything? Whats the proper way to clean up static arrays (myArr : Array[0..5] of TObject). I can't FreeAndNil it, so is it good enough to just set it to nil (do I need to do that after I've FreeAnNil'd each object?)? Thanks Guys!

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• How to create thumbnail images from DOC/RTF/PDF/XLS files

  - by imdadhusen

  I need to ask if any of you has any knowledge of creating file thumbnails on the fly. I have found a free component but it works only for PDF files, PDFThumbnailer. But my requirement is to convert DOC/RTF/PDF/XLS files to thumbnails on the fly, and if possible allow to save it as an image for later reference which currently PDFThumbnailer doesnt allow. PDFThumbnailer takes the pdf file and renders an image for it on browser, if that image can also be saved somehow to my machine that would be great too. Please guide me of how to achieve the above requirements. Any help for any filetype is appreciated. Thanks Imdadhusen

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