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• getting started with nosql

  - by radi

  hi , i am new to nosql world i know sql and rdbms very well , i want to get start with nosql so i need to know : where i can start read about nosql (books , online tutorials )? what is the most simple nosql engine i can start with (i am using java)? thanks .

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• Foreign keys vs partitioning

  - by Industrial

  Hi! Since foreign keys are not supported by partitioned mySQL databases for the moment, I would like to hear some pro's and con's for a read-heavy application that will handle around 1-400 000 rows per table. Unfortunately, I dont have enough experience yet in this area to make the conclusion by myself... Thanks a lot! References: http://stackoverflow.com/questions/1537219/how-to-handle-foreign-key-while-partitioning http://stackoverflow.com/questions/2496140/mysql-partitioning-with-foreign-keys

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• C++ projects based on Alan Cooper's "The Inmates are running the asylum"?

  - by anon

  I recently read Alan Cooper's "The Inmates are running the asylum" and found it quite enlightening. Anyone of know decent C++ open source projects based on the principles in the book? I'd love to see how ideas from the book are implemented in practice.

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• Recommended Math textbooks for programmers

  - by Tony

  I learned math in a non-English environment, I recently read some books about algorithm analysis, I found some math concepts were confusing, and seemed not the same as what I've learned. What math textbooks would you recommend that covers math concepts from the scratch and suitable for self-learning ?

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• Are products like MSSQL Server and Oracle are "ORDBMS"?

  - by n10i

  According to wikipedia! http://en.wikipedia.org/wiki/ORDBMS IBM's DB2, Oracle database, and Microsoft SQL Server, make claims to support this technology and do so with varying degrees of success So, are these products true "ORDBMS" like PostgreSQL? or they are they are long way from it? can someone plz! point me to any link where i can read about the features still to be implemented by these RDBMS to become true ORDBMS!

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• What is your wishlist for Python 3.2 (or Python 3.x)?

  - by ilya n.

  I've just read the What's New in Python 3.1 text (and I like many things). What's your idea of the thing that didn't go there but you would like to see in the future Python versions?

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• Software to Tune/Calibrate Properties for Heuristic Algorithms

  - by Karussell

  Today I read that there is a software called WinCalibra (scroll a bit down) which can take a text file with properties as input. This program can then optimize the input properties based on the output values of your algorithm. See this paper or the user documentation for more information (see link above; sadly doc is a zipped exe). Do you know other software which can do the same which runs under Linux? (preferable Open Source)

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• Which guru would you interview in a virtual bonus chapter of "coders at work" book?

  - by systempuntoout

  I've really enjoyed reading Peter Siebel's Coders at work book. At the end of the last chapter (Don Knuth), i tought that the interviews selection was good but a little bit too old-school oriented. So, in your virtual 16th chapter, which guru would you interview? In my 16th chapter, i would be amazed to read an interview of John Carmack.

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• Python2 or Python3?

  - by Michael

  I'm just starting to learn Python, but just to use my time more efficiently, would you recommend to read Python2 or start directly from Python3? I'm about "Dive into Python". Is it similar to start reading PHP4 or PHP5? I'm trying to understand whether it's worth spending time on Python2 literature.

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• joining null in MS SQL server, Oracle and informatica

  - by jest

  hi! I've two tables to join with a column(say emp_id)..if emp_id in both the tables have null values, how'll MS SQL server and Oracle treat??? Coz, i read that informatica will neglect the NULL rows when joining..if i handle the null, by substituting -1, a cross-join will happen which i don't want.. what can i do here? I cannot completely neglect the rows which has NULL. Thanks

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• FindBugs: "may fail to close stream" - is this valid in case of InputStream?

  - by thSoft

  In my Java code, I start a new process, then obtain its input stream to read it: BufferedReader reader = new BufferedReader(new InputStreamReader(process.getInputStream())); FindBugs reports an error here: may fail to close stream Pattern id: OS_OPEN_STREAM, type: OS, category: BAD_PRACTICE Must I close the InputStream of another process? And what's more, according to its Javadoc, InputStream#close() does nothing. So is this a false positive, or should I really close the input stream of the process when I'm done?

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• Wordpress using .NET?

  - by eibhrum

  Have anyone seen or tried Wordpress.NET? I read an article about it before, but it is now nowhere to be found. Any similar open source where I could get one?

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• ASP.NET 2.0 - scaffolding a database table for webforms

  - by Francis Huang

  Can you recommend a tool that can analyze a SQL database table, read the table columns, and populate an .aspx page with appropriate controls (i.e. textboxes with matching labels)? See this demo of ComponentOne InputPanel for WinForms for the functionality desired. Are there any built-in tools for ASP.NET 2.0 WebForms that can help build a scaffold page for any given database table or entity? Are there any free components out there to help achieve this goal?

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• Suggestion needed to learn Machine Learning and Information Retrieval

  - by Jonathan Barbero

  Hi! I want lo learn about Information Retrieval and Machine Learning. Which books do you recommend and in what order do you think is better to read them? The idea is to reach a good understanding of recommendation systems. Thanks! Jonathan

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• BDC Security Issues

  - by geekspt

  We are planning to use BDC to read and probably write to a SQL Server content database on external server. I have heard that there are many security issues that you may run into or should be aware of before setting up BDC. has anyone faced or knows any security issues with BDC. Thanks.

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• Where is the Code Analysis (FxCop) function in VS2008?

  - by Russell Giddings

  I've read that FxCop is integrated in to Visual Studio 2008 out of the box as "Code Analysis". I can't find how to run the analysis though. Where is the "Run Code Analysis" function?

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• Zen Code + jQuery

  - by Josh Cornstone

  Hi, I just read this article at Smashing Magazine (http://www.smashingmagazine.com/2009/11/21/zen-coding-a-new-way-to-write-html-code/) about Zen Code. Maybe there is any jQuery plugin for this? Might be good for json data inserting/templating.

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• Detect presence of stdin contents in Bourne Shell

  - by l0b0

  I'm writing a Bourne Shell script that may or may not receive input from stdin (as in foo.sh < test.txt, non-interactively). How do I check whether there is anything on stdin, to avoid halting on while read -r line...?

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• How do you mock the session object collection using Moq

  - by rayray2030

  I am using shanselmann's MvcMockHelper class to mock up some HttpContext stuff using Moq but the issue I am having is being able to assign something to my mocked session object in my MVC controller and then being able to read that same value in my unit test for verification purposes. My question is how do you assign a storage collection to the mocked session object to allow code such as session["UserName"] = "foo" to retain the "foo" value and have it be available in the unit test.

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• opening a different webpage from my webpage and reading its content /clicking buttons etc

  - by sajad

  Hi friends, i was just curious as how to do this. i want to open www.whatsmyip.com or something similar from my webpage. put an ip address in the textbox in that page. click the button and read the value(suppose a textbox).. i want to achieve all this programtically without any humaninteraction.. how is that possible.

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• Implications of using many USB web cameras

  - by Martin

  I'm looking into connecting multiple low resolution USB webcams to a single computer. What implications might this have on performance? How does, for example, four 320x240 cameras fare against a single 640x480 camera? I'm not well versed in the architecture of the USB interface, what are the performance caveats? By performance I mean how would it affect the time to read the image data from multiple cameras compared to a single one.

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• Do you have any favorite ergonomic exercise or habit?

  - by melaos

  I've read somewhere that ergonomic problems accounts for 70% of injury... And i don't want to be one of those guys who think, ahh it's just a slight sore, and go on and discover that i have CTS and have to operate on my hands!!! So are the any good ergo habits that you follow religiously each day? Or some cool tools that would send any ergo issue to a cold hell and force it to stay there. So we can program hopefully until we're old and wicked.

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• lexer/parser ambiguity

  - by John Leidegren

  How does a lexer solve this ambiguity? /*/*/ How is it that it doesn't just say, oh yeah, that's the begining of a multi-line comment, followed by another multi-line comment. Wouldn't a greedy lexer just return the following tokens? /* /* / I'm in the midst of writing a shift-reduce parser for CSS and yet this simple comment thing is in my way. You can read this question if you wan't some more background information.

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• MVC: models interacts with the view?

  - by fayer

  i know that everything is going through the controller. but i often read articles that says something like this: user interacts with the view controller asks the model to change its state model notifies the view when its sate has changed i dont get the 3rd one. why saying that the model notifies the view, when it actually is notifying the controller and the controller is notifying the view?

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• increase the width of a column dynamically in jasper reports in java

  - by stanley

  How do i increase the width of a column in jasper reports dynamically in java, i have tried changing many things in java side like reading the style sheet and changing the values. But in this case i don't know how to initialize the method which will read the width and change it.

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