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• Adhoc Data processing / ETL

  - by Dane

  I've just started at a new company in outsourced communications (e.g. print and mail, email, fax). One of the requirements is to process clients data and get it ready for mailing. For recurring jobs, this is easy using an ETL tool linked in with some addressing software, but for adhoc stuff it's a bit overkill. I've used inhouse developed stuff before (clunky but usable), but I don't want to have to re-develop that here. Any recommendations? Some features : Basic DBMS functionality (preferably with a proper DBMS backend for SQL support) Field concatenation (e.g. combine Firstname + Surname) "Pushing columns" (e.g. with address fields 1 - 8, push them left so if one is blank, the next one gets pushed up) Australia post mail sorting and dpid allocation (or can link into external tools relatively easily)

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• How do you balance business process changes against the challenges of changing software?

  - by Achilles

  In my admittedly young career I've found myself writing code to support quirky business rules and processes. Inevitably these changes were always in some massively difficult code base and caused many issues. My question has a couple of parts: While software is a tool for businesses to make their lives easier, at what point do we as developers suggest a change in business process rather than in the software as the "magic bullet" to solve a particular problem. How do we as developers evangelize a certain level of reverence for the software as well as the difficulty involved in making changes simply to support the quirks of the business? I understand that these changes in business processes promote our industry, but in an analogy my father would understand: Which is easier, to melt down a hammer to forge a screwdriver to drive screws or to simply use nails since your hammer is already awesome...?

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• How to counter the "one true language" perspective?

  - by Rob Wells

  How do you work with someone when they haven't been able to see that there is a range of other languages out there beyond "The One True Path"? I mean someone who hasn't realised that the modern software professional has a range of tools in his toolbox. The person whose knee jerk reaction is, for example, "We must do this is C++!" "Everything must be done in C++!" What's the best approach to open people up to the fact that "not everything is a nail"? How may I introduce them to having a well-equipped toolbox, selecting the best tool for the job at hand?

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• How to save big "database-like" class in python

  - by Rafal

  Hi there, I'm doing a project with reasonalby big DataBase. It's not a probper DB file, but a class with format as follows: DataBase.Nodes.Data=[[] for i in range(1,1000)] f.e. this DataBase is all together something like few thousands rows. Fisrt question - is the way I'm doing efficient, or is it better to use SQL, or any other "proper" DB, which I've never used actually. And the main question - I'd like to save my DataBase class with all record, and then re-open it with Python in another session. Is that possible, what tool should I use? cPickle - it seems to be only for strings, any other? In matlab there's very useful functionality named save workspace - it saves all Your variables to a file that You can open at another session - this would be vary useful in python!

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• Tools for website development

  - by sharkin

  Hi! I can't find any other post which addresses this topic on a purely general level. I'm very unexperienced in developing full scale websites. I get around using HTML and PHP for simple tasks. Now I'm looking at developing a more elaborate site and want to get hold of a good tool which doesn't eat my wallet to the bones. I guess I should add more intelligent text here about what I expect it to be capable of, but I really don't know so much. I guess the code/design/preview style in dreamweaver appealed to me, and I'm definetely going to use scripting like PHP or ASP.NET, some database work etc. I guess pretty much the standard (?) website development tasks. So, are there good tools out there I should be looking at?

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• Create a Font using strings pulled from a string table.

  - by Matthew Smith

  I am writing a tool to create an otf or ttc with only characters defined in our localized string table, so we can cut down memory usage. I already have the information for the Japanese characters we are using but I am unable to find an example of creating a new font based around these characters. Does anyone know of a good example or even the interface I can access to do this? I am working in C# with .NET 3.5. I am looking into Volt and TTOasm from Microsoft, but I am not sure if they will do exactly what I need. Any information is appreciated. Thanks, Matt Smith

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• Two AppStore Accounts With The Same Name. I got codeSign error 'Name' appears more than once in the

  - by iTarek

  I got another new account for the AppStore, I setup the new account certificates on my MAC. Now when I try to publish XCode gives me the error CodeSign error: Certificate identity 'iPhone Distribution: 'Name' appears more than once in the keychain. The codesign tool requires there only be one. How can I change my certificate identity for the other account? While I have to leave my Name as it is on both itunes profiles. How can avoid this problem without have to remove one certificate each time I need to publish app on appstore. Thank you.

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• Next step for Python app using Sqlite db

  - by ChrisC

  I want to write a db program in Python using Sqlite. I have the db table structure planned, and am ready to move to the next step, which I think is to work any bugs out of the db structure. I am totally inexperienced in development except for writing the original db (written in MS Access), and an Intro to C++ class (OOP concepts and console C++ programs). Is it time to test the db structure? If so, what's the best way, and what tool(s) should I use? Thank you.

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• Get latest sql rows based on latest date and per user

  - by Umair

  I have the following table: RowId, UserId, Date 1, 1, 1/1/01 2, 1, 2/1/01 3, 2, 5/1/01 4, 1, 3/1/01 5, 2, 9/1/01 I want to get the latest records based on date and per UserId but as a part of the following query (due to a reason I cannot change this query as this is auto generated by a tool but I can write pass any thing starting with AND...): SELECT RowId, UserId, Date FROM MyTable WHERE 1 = 1 AND ( // everything which needs to be done goes here . . . ) I have tried similar query, but get an error: Only one expression can be specified in the select list when the subquery is not introduced with EXISTS.

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• Qt SDk 4.6.2 on mac os x: invoke ffmpeg ??

  - by varunmagical

  Hello, I am writing an FFmpeg frontend in Qt & testing it on linux, windows & Mac. (FFmpeg is a popular command line tool for video operations) My project is working well on Linux & windows but I cannot invoke FFmpeg on Mac! I have compiled it from svn source on Mac & I have ensured that it is working properly by running it in Mac terminal. In my project, I have created a widget that shows FFmpeg output during conversion, but on mac, It always stays blank. Need help!

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• Semantic Diff Utilities

  - by rubancache

  I'm trying to find some good examples of semantic diff/merge utilities. The traditional paradigm of comparing source code files works by comparing lines and characters.. but are there any utilities out there (for any language) that actually consider the structure of code when comparing files? For example, existing diff programs will report "difference found at character 2 of line 125. File x contains v-o-i-d, where file y contains b-o-o-l". A specialized tool should be able to report "Return type of method doSomething() changed from void to bool". I would argue that this type of semantic information is actually what the user is looking for when comparing code, and should be the goal of next-generation progamming tools. Are there any examples of this in available tools?

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• checking crc32 of a file

  - by agent154

  This is not really a "how to" question. Is there a "standard" file structure that applications use to store the checksums of files in a folder? I'm developing a tool to check various things like crc32, md5, sha1, sha256, etc... I'd like to have my program store the various hashes in files in the folder of what I'm checking. I know that there is a file commonly used called 'md5sums' or 'sha1sums'. But what about CRC? I haven't noticed any around. And if there is, what's the structure of it? Thanks.

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• Rails route rewriting quesiton

  - by Jonathan

  Hi guys, I think this is an easy question. I am using this useful Flash Document Reader called FlexPaper. I have it embeded in one of my Show pages. But when I click the a link on their tool bar to show the document in a new browser, it points to the following link ... http://0.0.0.0:3000/intels/FlexPaperViewer.swf?ZoomTime=0.5&FitPageOnLoad=false&PrintEnabled=false&SwfFile=%2FPaper.swf which doesn't work, but if I remove the "intels" from the path so the url looks like: http://0.0.0.0:3000/FlexPaperViewer.swf?ZoomTime=0.5&FitPageOnLoad=false&PrintEnabled=false&SwfFile=%2FPaper.swf It works fine. My question is what is the best way to handle this. Can you write a route that rewrites a url that starts with intels/FlexPaperViewer.swf and removes the intels prefix? What would that look like? Is there a better option? Thanks! Jonathan

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• Error while installing dependencies for PyGTK on Mac OS 10.6.3

  - by Winston C. Yang

  I tried to install the following dependencies for PyGTK 2.16.0 (the Python GIMP Tool Kit) on Mac OS 10.6.3: glib 2.25.5 gettext-0.18 libiconv-1.13.1 When I tried to install glib, I got the following error message: gconvert.c:55:2: error: #error GNU libiconv not in use but included iconv.h is from libiconv The libiconv web page talks about a circular dependency between gettext and libiconv---build one, then build the other, then build the first again. I tried to do this, though possibly incorrectly. (Will the following work: make distclean; ./configure; make; sudo make install?) The author of a posting had the same problem, and he solved it by installing libiconv-1.13.1. Could anyone explain the error in more detail, and how to correct it?

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• How do I use the Silicon Laboratories IDE with SDCC?

  - by David Cary

  I'm thinking about using a microcontroller with an 8051 core from Silicon Laboratories. I hope that I can use C rather than assembly language, so I installed SDCC. I installed the "Silicon Laboratories IDE" to download the executable binaries to the on-chip Flash program memory. It also supposedly can be set up (under the Project Tool Chain Integration menu) to use "any" 8051 compiler. I tried to set it up to use SDCC, but every time I hit the "Assemble/Compile File" button it tells me "Compiler process did not sucessfully complete." How do I get new C code I write onto the SiLabs C8051F310 chip? Is there a web site with a step-by-step HOWTO? (Would it be easier to use a MAKEFILE that calls SDCC, only using the "Silicon Laboratories IDE" for the very last step of downloading the executable binary to the chip?)

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• Create a Models Diagram Using Railroad

  - by SeeBees

  Railroad is a great UML tool for Ruby on Rails. It can automatically generate class diagrams of models and controllers. For models, a railroad-generated class diagram shows attributes of each model and the associations between one model and another. A sample diagram can be found here. It is very useful for a developer to see attributes and associations of models. While attributes and associations reveal the inner states and relationships of models, methods specify their behaviours. They are all desirable in a class diagram. I would like railroad to generate a class diagram that also lists methods for models, which will help me to know what each model does. I know methods are displayed in a diagram that is generated for controllers, but I don't see such an option for a diagram of models. Does someone know how to do that with railroad? Or is that possible? Thanks!

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• Are there any programs to aid in the mass-editing of Visual SourceSafe checkin comments?

  - by Schnapple

  I know that in Visual SourceSafe you can go in and drill down to the history of an individual file and then drill down to an individual check-in and apply a comment to the check-in that way but that's tedious and time consuming - if you have a lot of files that were checked in at the same time and you want the same comment to apply to all of them this will take forever. I use the tool VSSReporter to generate reports of checkins and other stuff from VSS, but it cannot edit anything, only report on them. Are there any tools which will let you go back and retroactively apply comments to check-ins in an efficient and easy manner?

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• Restrict the page to be browsed in the other browser with the same urls

  - by subash

  how to restrict the page to be browsed in the other browser with the same urls with out logging asp.net & c#.net. i followed the following steps for example: i am logging in to a page developed in asp.net & c#.net. i am viewing a page.Let it be admin page. i am copying the url of the admin page. i am opening another browser window and pasting the url. i was able to see the same admin page in the other browser. the question is how to restrict the opening of admin page in other browser,if they try to open admin page in another browser while user is currently viewing the admin page then it should be redirected to the login page? how could this be accomplished? is there any thing could be done with "login" control tool of the .net frame work?

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• How to obtain the root of a tree without parsing the entire file?

  - by Matt.

  I'm making an xml parser to parse xml reports from different tools, and each tool generates different reports with different tags. For example: Arachni generates an xml report with <arachni_report></arachni_report> as tree root tag. nmap generates an xml report with <nmaprun></nmaprun> as tree root tag. I'm trying not to parse the entire file unless it's a valid report from any of the tools I want. First thing I thought to use was ElementTree, parse the entire xml file (supposing it contains valid xml), and then check based on the tree root if the report belongs to Arachni or nmap. I'm currently using cElementTree, and as far as I know getroot() is not an option here, but my goal is to make this parser to operate with recognized files only, without parsing unnecessary files. By the way, I'm Still learning about xml parsing, thanks in advance.

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• There are lots of useful answers about estimating the cost of a project. Are there any recommendatio

  - by Chrys

  Let me clarify this a bit more. I started giving estimations about projects/tasks. I write everything down in a spreadsheet. I know that soon this spreadsheet won't help much (searching, recommending similar project estimations etc...) Do you have any recommendations for any tools I can use for keeping a track of all these estimations? Is there a tool out there that for example will give me related project estimations like stackoverflow gives me related questions when I type one question.

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• Can I use ANTLR for both two-way parsing/generating?

  - by Mike Q

  Hi all, I need to both parse incoming messages and generate outgoing messages in EDIFACT format (basically a structured delimited format). I would like to have a Java model that will be generated by parsing a message. Then I would like to use the same model to create an instance and generate a message. The first half is fine, I've used ANTLR before to go from raw - Java objects. But I've never done the reverse, or if I have it's been custom. Does ANTLR support generating using a grammar or is it really just a parse-only tool?

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• Building two executables in one project

  - by Rui Pacheco

  Hi, I've a project that must produce two executables: the main application and an executable that is called by a separate process. I've created the second file in Xcode and added a second target of type Cocoa Shell Tool. I can now build the second executable but when I try to build my project normally I get an error saying there's two executables present: ld: duplicate symbol _main in <path>/SecondExecutable.o and <path>/main.o (<path> was added by me to protect the innocent and their intelectual property). How can I configure Xcode to build both at the same time?

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• Static libraries, dynamic libraries, DLLs, entry points, headers ... how to get out of this alive?

  - by tunnuz

  Hello, I recently had to program C++ under Windows for an University project, and I'm pretty confused about static and dynamic libraries system, what the compiler needs, what the linker needs, how to build a library ... is there any good document about this out there? I'm pretty confused about the *nix library system as well (so, dylibs, the ar tool, how to compile them ...), can you point a review document about the current library techniques on the various architectures? Note: due to my poor knowledge this message could contain wrong concepts, feel free to edit it. Thank you Feel free to add more reference, I will add them to the summary. References Since most of you posted *nix or Windows specific references I will summarize here the best ones, I will mark as accepted answer the Wikipedia one, because is a good start point (and has references inside too) to get introduced to this stuff. Program Library Howto (Unix) Dynamic-Link Libraries (from MSDN) (Windows) DLL Information (StackOverflow) (Windows) Programming in C (Unix) An Overview of Compiling and Linking (Windows)

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• How to draw RTL text (Arabic) onto a Bitmap and have it ordered properly?

  - by Casey

  I'm trying to draw Arabic text onto a Bitmap for display: Bitmap img = Bitmap.createBitmap( (int) f+100, 300, Config.RGB_565); Canvas c = new Canvas(); c.setBitmap( img ); mFace = Typeface.createFromAsset(getAssets(),"DejaVuSansCondensed.ttf"); mPaint.setTypeface(mFace); content = "????"; content = ArabicUtilities.reshape( content ); System.out.println("Drawing text: " + content); c.drawText(content, 30, 30, mPaint); The ArabicUtilities class is a tool to reshape the unicode text so the letters are connected. see: http://github.com/agawish/Better-Arabic-Reshaper/ However, the bitmap that is generated looks like this: When it should look like ???? I believe the issue is because, unlike a TextView, the Bitmap class is not BiDi aware, so it draws the letters from left to write. Try as I might, I can't figure out how to draw the text in the correct order.

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• Data table with legends in JfreeChart

  - by TiNS

  Hi All, I am using JFreeChart to generate images. I am trying to create barchart like below. I am able to create it successfully without data table. I tried to get from the jfreechar forums and found this post). According to the post , its not supported by JfreeChart. Is it still not supported by jfreechart API ? If yes, can I use any other charting (open source) tool to generate chart with data table ? Thanks

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