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  • Is Programming Right for me?

    - by L1th1um
    I'm interested in programming, but it seems to me that I can't get into it. Every time I've tried to learn a language and stuff by looking through tutorials or books I'd never get past the part where I use the syntax to make something. And by interest, I mean that I read stack overflow a lot, coding horror, and stuff but the actual coding part is hard for me to get into. Did anybody start this way? How did you get past this block?

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  • F# Tacit Programming. Please help)

    - by Bubba88
    It's not a practically important issue, but could you please provide me with an example of tacit programming in F# where my `pointless' functions can have multiple arguments (not in form of list or tuple); And secondly, where those functions can manipulate a complex data structure. I'm trying to manage it in FSharp interactive, but have no success yet. Huh.. I've managed to construct something: (fun _ - (fun _ - (+))) 333 222 111 555 Is that right way?

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  • Database Table of Boolean Values

    - by guazz
    What's the best method of storing a large number of booleans in a database table? Should I create a column for each boolean value or is there a more optimal method? Employee Table IsHardWorking IsEfficient IsCrazy IsOverworked IsUnderpaid ...etc.

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  • As our favorite imperative languages gain functional constructs, should loops be considered a code s

    - by Michael Buen
    In allusion to Dare Obasanjo's impressions on Map, Reduce, Filter (Functional Programming in C# 3.0: How Map/Reduce/Filter can Rock your World) "With these three building blocks, you could replace the majority of the procedural for loops in your application with a single line of code. C# 3.0 doesn't just stop there." Should we increasingly use them instead of loops? And should be having loops(instead of those three building blocks of data manipulation) be one of the metrics for coding horrors on code reviews? And why? [NOTE] I'm not advocating fully functional programming on those codes that could be simply translated to loops(e.g. tail recursions) Asking for politer term. Considering that the phrase "code smell" is not so diplomatic, I posted another question http://stackoverflow.com/questions/432492/whats-the-politer-word-for-code-smell about the right word for "code smell", er.. utterly bad code. Should that phrase have a place in our programming parlance?

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  • How Does Ctrl-K work in Stackoverflow

    - by harigm
    I am very curious to know how to implement the Ctrl-K feature against code, For sample public static void main(Stirng args[]){ System.out.println.out("welcome"); } That will be nicely formatted? 1)Do we require any package to implement this? 2) Any ready made code avaialble to do this? Can any one help me with this, I am planning to develop a site where this feature would be a real helpful.

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  • ebook reader for programming books?

    - by Martin
    Are the current ebook readers good enough for reading programming books (containing diagrams, source-code, screenshots, and so on)? How good are the search functions or the possibilities to set bookmarks, to use a book as a reference? I'd like to hear opinions of ebook reader owners to help me decide whether or not I should buy an ebook reader. (I know this question already exists, but it's over one year old and new ebook readers are now available)

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  • Solicit and unsolicit messages/events in window programming?

    - by AKN
    Can someone pls tell me do we have solic & unsolic message/events in MFC or window programming? In devices solic response and unsolic response is said as immediate response (like acknowledgement to commands) and late response (generated without any further commands being sent) respectively. Likewise can we say events as solic / unsolic based on immediate occurrence and late occurrence?

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  • Beginning Game Programming-ADVICES!

    - by udsha
    I like to continue my future career on way that I am looking to choose from few more ways I would like to do. Computer Game Programming / Networking(Security) ...etc Then It is good to know the risks having no those fields and how to begin it as a game programmer! I want those kind of advices and guidance . Can Anyone show me the path ?

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  • Where should I exclude and select information BL or DL?

    - by MRFerocius
    Hi guys; I have another conceptual question. Suppose I have a Data Layer and a Bussines Layer. I have on my data base for example Customers and those customers has an assigned Vendor: Customers(customerID, customerName, customerAddress, vendorID) Vendors(vendorID, vendorName, vendorAddress) Now suppose my Vendor logs into my web application and wants to see all his customers: a) Should I use my Datalayer method and there find his customers on the query? b) Should the data layer return all the customers and on the Buissnes Layer filter that vendor ones? Is B even a good approach because is the one I want to use.... Is it correct? Thanks in advance!!!

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  • C programming getting back into it - the red pill

    - by JavaRocky
    Can someone provide recommended reading, website resources or best practices to follow when programming with C. I am a proficient software developer with strong skills in Java and PHP. Is there standard libraries these days which people use? Like what spring is to java? And standard design patterns for managing memory or even standard libraries for that fact? I want to write solid, maintainable C programs. GO THE RED PILL! :P

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  • where to start linux kernel programming?

    - by Adnan
    I have been programming in C for a couple of years in Linux. Now I want to work on linux kernel and contribute to kernel, if possible. I have been looking on the internet for the information about a starting point but I couldn't find one. So can any one please tell me where to begin?

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  • How to implement "business rules" in Rails?

    - by Zabba
    What is the way to implement "business rules" in Rails? Let us say I have a car and want to sell it: car = Cars.find(24) car.sell car.sell method will check a few things: does current_user own the car? check: car.user_id == current_user.id is the car listed for sale in the sales catalog? check: car.catalogs.ids.include? car.id if all o.k. then car is marked as sold. I was thinking of creating a class called Rules: class Rules def initialize(user,car) @user = user @car = car end def can_sell_car? @car.user_id == @user.id && @car.catalogs.ids.include? @car.id end end And using it like this: def Car def sell if Rules.new(current_user,self).can_sell_car ..sell the car... else @error_message = "Cannot sell this car" nil end end end As for getting the current_user, I was thinking of storing it in a global variable? I think that whenever a controller action is called, it's always a "fresh" call right? If so then storing the current user as a global variable should not introduce any risks..(like some other user being able to access another user's details) Any insights are appreciated! UPDATE So, the global variable route is out! Thanks to PeterWong for pointing out that global variables persist! I've now thinking of using this way: class Rules def self.can_sell_car?(current_user, car) ......checks.... end end And then calling Rules.can_sell_car?(current_user,@car) from the controller action. Any thoughts on this new way?

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  • What is natural deduction used for outside of academia?

    - by Danny King
    Hello, I am studying natural deduction as a part of my Formal Specification & Verification Computer Science course at University/College. I find it interesting, however I learn much better when I can find a practical use for things. Could anyone explain to me if and how natural deduction is used other than for formally verifying bits of code? Thanks!

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  • Have you ever tried programming in Malbolge?

    - by eleven81
    Have you ever tried programming in Malbolge? I have read some of the top links returned by google, here, here, here, and here. I am very intrigued by this prospect, and would like to start playing around. For those of you who have dabbled in Malbolge before, what experiences did you have? Did you have any success? How did you get started, and where did you end up? Thanks!

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  • SQL - Counting sets of Field-B values for each Field-A value

    - by potrnd
    Hello, First of all sorry that I could not think of a more descriptive title. What I want to do is the following using only SQL: I have some lists of strings, list1, list2 and list3. I have a dataset that contains two interesting columns, A and B. Column A contains a TransactionID and column B contains an ItemID. Naturally, there can be multiple rows that share the same TransactionIDs. I need to catch those transactions that have at least one ItemID in each and every list (list1 AND list2 AND list3). I also need to count how many times does that happen for each transaction. [EDIT] That is, count how many full sets of ItemIDs there are for each TransactionID", "Full Set" being any element of the list1 with any element of the list2 with any element of the list3 I hope that makes enough sense, perhaps I will be able to explain it better with a clear head. Thanks in advance

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  • Great programming quotes

    - by epatel
    There are a lot of great programming quotes out there. Which do you like? Today (Sept 12, 2008) I heard a new one from a friend, Lars-Gunnar, he said "Gud finns i Emacs" (in Swedish). This basically means "God is in Emacs". Still laughing about it here :) What he meant was that a function "gud is grand-unified-debugger" is in Emacs. A great one I think all programmers should know is The Three Great Virtues of a Programmer.

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  • windows programming problem

    - by Jayjitraj
    I want to write programming which will connect to a network for some second then disconnect from it and it should be that much fast that other application should not fill it is disconnected so on which layer should i program i know how to disconnect and connect to the network so any suggestion ...... thanks in advance....

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