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• How does pattern matching work behind the scenes in F#?

  - by kryptic

  Hello Everyone, I am completely new to F# (and functional programming in general) but I see pattern matching used everywhere in sample code. I am wondering for example how pattern matching actually works? For example, I imagine it working the same as a for loop in other languages and checking for matches on each item in a collection. This is probably far from correct, how does it actually work behind the scenes?

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• how good should a developer be in design and animation?

  - by scatman

  how good should a developer (especially web developer) be in design and animation? should he know how to create flash animations? how to use image processing programs like photoshop.... i am asking this question because i am a computer science student, and all my courses are programming related (no courses about design). when i develop a web application i usually use "wizards" for animation coz i suck at design...

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• Monad in plain English? (For the OOP programmer with no FP background)

  - by fig-gnuton

  In terms that an OOP programmer would understand (without any functional programming background), what is a monad? What problem does it solve and what are the most common places it's used? EDIT: To clarify the kind of understanding I was looking for, let's say you were converting an FP application that had monads into an OOP application. What would you do to port the responsibilities of the monads into the OOP app?

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• What are the things Java got wrong?

  - by Alon

  I read a lot of blogs and see people all the time talking about bad things in the java programming language; a lot of them are about annotations and generics that were added to the language in 1.5 release. What are the things in the language or the API that you don't like or would design differently?

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• Which programing language presents a program as a tree?

  - by Roman

  I heard that a program can be presented as a tree. I also heard that there is a programming language whose syntax make this idea very clear. I mean that programs written in this language can be easily represented as a tree. Does anybody know what is the name of this language?

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• How to get a random node from a tree?

  - by ooboo

  It looks easy, but I found the implementation tricky. I need that for a simple genetic programming problem I'm trying to implement. The function should, given a node, return the node itself or any of its children such that the probability of choosing a node is normally distributed relative to its depth (so the function should return mostly middle nodes, but sometimes the root itself or the lowest ones - but that's not really necessary if that makes it significantly more complex, if all any node is chosen with equal probability, that's good enough). Thanks

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• What is the origin of "launch the missiles"?

  - by FredOverflow

  In the context of functional programming, a typical example of a side effect is "launch the missiles". I was just wondering where that expression comes from historically.

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• Do you use Python mostly for its functional or object-oriented features?

  - by Eric

  I see what seems like a majority of Python developers on StackOverflow endorsing the use of concise functional tools like lambdas, maps, filters, etc., while others say their code is clearer and more maintainable by not using them. What is your preference? Also, if you are a die-hard functional programmer or hardcore into OO, what other specific programming practices do you use that you think are best for your style? Thanks in advance for your opinions!

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• Moving from php to rails

  - by piemesons

  While moving from php to rails (Means procedural language to Object oriented language), what are the various things you should keep in mind. How to think in world of object oriented programming? What are thinks i should kept in mind before starting the things. Any tips?

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• What are the key steps to develop a java software?

  - by iownfloppydisk

  i.e. you must know the basic programming construction , data structures or whatever because i don't know the pattern how people use to make a big application or where do they start.

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• Does any language use "=/=" for denoting the not-equal operator

  - by Mustafa

  Does any programming language use =/= for not-equal? Are there any lexical difficulties for scanners to recognize such an operator? Or was it the case historically? [Note: this is NOT a homework question. I'm just curious.]

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• Best Books for Learning to Test Software

  - by Chris

  I have read a lot of programming books, many mention testing of various kinds. I have never really gotten into the topic of testing, but I realize how extremely important it is. Anyone know of some good books that provide a thorough exploration of this topic?

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• How do they make programs that run on startup

  - by user225269

  Programs like page defrag by sysinternals or the chkdsk utility that run on startup. Please enlighten me. What kind of programming language do they use for these kinds of operations.

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• Why is Python so slow?

  - by Riemannliness

  Why is Python such a slow language, on average, compared to C/C++? I learned Python as my first programming language, but I've only just started with C and already I can feel and see the difference.

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• Why use frameworks? Convince me I should figure out Zend Framework and use it!

  - by Tom

  To begin with, I just can say that I have always been programming by my own. I use php mostly. So, can you explain me why I should learn Zend Framework or other framework? Why just don't write a pure code by own?

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• Java or C for image processing

  - by its-me

  I am looking in to learning a programming language (take a course) for image analysis and processing. Possibly Bioinformatics too. Which language should I go for? C or Java? Other languages are not an option for me. Also please explain why either of the languages is a better option for my application.

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• If you knew then what you know now, what language(s) will you start learning first?

  - by John

  I will probably start with C and then Lisp. Although I started programming in C, I did not program in it as much as I want. It's fun working with the low level stuff. Learning C helped me a lot when I started working. I've only started learning Lisp now and I found it amazing that the concepts it supported from the very start are still very relevant today. Well I think it's better late than never.

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• Why do I spend 20% of my time fixing bugs? Is this normal?

  - by Hiren Gujarati

  I have just started to write code in C, C++, Java, ASP.NET, C#, Objective-C, I-Phone, etc. But I don't understand why i have to spend 20% of my time for fixing bugs. I just learned those programming languages as they are. Do most programmers face this type of problem?

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• Let other computer view my localhost over a network...

  - by Smickie

  Hi, I have apache and what not running on my local machine (mac), there also another mac on the local network. How does this other machine access my localhost? For example I have a local website at example.local.net in my vhost. How can another computer on the network navigate to this site? Cheers!

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• how to download all links at once..

  - by user216112

  hello friends,i want to ask u ..is there any software..that download all the link at once.. like e.g. in w3school.com. if we want to download all the php tutorial at once.someone has told me "tglepote".bt i am getting on the google.plz help

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• On the lighter side : 'sudo apt-get moo' or a treatise on Ubuntu Cows !

  - by Arkapravo

  While dabbling about Ubuntu 9.10 ! I came across this command ! ..... sudo get-apt moo acer@acer:~$ sudo apt-get moo (__) (oo) /------\/ / | || * /\---/\ ~~ ~~ ...."Have you mooed today?"... Which most surprisingly 'made a MOO' ! .....Does anyone know any more such funnier outcomes of command line etc ? This is an easter egg in ubuntu ! .... and nearly every flavour of Linux has some !... how unfortunate for the cows !

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• PS Command in Solaris

  - by arav

  PS Command output is truncated in solaris. I tried the below command after googling out. It doesn't work. Not sure what needs to be done /usr/ucb/ps awwx

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• Request time out error

  - by Neo

  Hi Today i came across strange problem whenever i try to pinging to my server works properly but whenever i send http request from browser the request time out happens. can anybody help me to resolve this issue.

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• Solarwinds SDK/customisation

  - by Shane

  Hi, Sorry if this is the wrong place to post, but it is a hybrid serverfault/stackoverflow question. I've been directed to take a look at Solarwinds, which is an excellent network monitoring solution, for an internal project. Basically we want to write our own panel to display information custom to our network infrastructure. Has anyone done anything like this, or know if there is a plugin SDK giving developer access? [edit:] Also, if anyone knows of any other Solarwinds-type open source network solutions, please let me know. Cheers, Shane

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• Online backup services

  - by Ilnur

  Could anybody recommend me free online service for everyday backup of my data. It contain files for about 5-10 GB. I'm looking for DropBox. It's very cool service. But I want to edit settings once, and then backup data automatically (my docs folder, music, photos and others). Any ideas?

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