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• Where is a Web Development Career fueled by Passion? [closed]

  - by JMC Creative

  Quick Background Since learning basic html 5 years ago, I've become completely obsessed with the technology, the logic, and the thrill of solving problems involved with building websites. I am still stuck at a thoroughly non-programming type job, but would really like to move into the field of web programming/design. I have no educational background in the field (was trained as a fine artist and tutor), but in the past few years have progressed fully self-taught (and self-motivated) from html to css to php, mysql, jquery, and am now building rich web applications. The Question How can I prove to a company that even though I have no education, I have a passion to learn whatever is thrown my way? ...That essentially I would come at every issue with not only knowledge, but with a passionate desire to solve it, whether that means tackling a new language or debugging code for hours at a time? p.s. Sorry for the stupid title.

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• What should i do to practise?

  - by simion

  Hi guys I start a year long industrial placement in september where i will be coding in java predominantly. I am going to use the summer to brush up on my java as in year one of the degree java was the main language taught for OOP modules. However this year i have had no java exposure except for an algorithms module, which was one of eight, so as you can see i am probably getting really rusty!. What i wanted to know is, how does the "real world" java programming differ from university coding and what do you suggest i brush up on that would be different to my normal workings. As a start i definatley need to get familiar with a professional IDE like netbeans, opoosed to havign used BlueJ throughout but more specifically what coding practises should i get more familiar with I appreciate they wont expect me to be a qualified full developer and will give me time, but i would like to hit the ground running as it were, with me having full hopes to secure a perminant position after i finish my degree. Thanks for reading

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• Getting a CFG form the CFL

  - by Kristian

  Can Any One explain this Language how we converted to CFG Give a CFG for the CFL: {ai bj ck | i ? j or j ? k } //ai mean a^i I have the answer but I need an explaination (Step By Step) The answer : S --> S1|S2 S1 --> A Eab|Eab B|S1 c A --> a|aA B--> b|bB Eab --> Q|a Eab b S2 --> Eac C|A Eac C --> c|cC Eac --> Q|B|a Eac c

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• Double Inner Join generates unexpected error

  - by Itamar Marom

  In my database I have three tables: Users: UserID (Auto Numbering), UserName, UserPassword and a few other unimportant fields. PrivateMessages: MessageID (Auto Numbering), SenderID and a few other fields defining the message content. MessageStatus: MessageID, ReceiverID, MessageWasRead (Boolean) What I need is a query to which I input a user's id and I get all the private messages he has received. In addition, I also need to receive each message's sender UserName. For this I wrote the following query: SELECT Users.*, PrivateMessages.*, MessageStatus.* FROM PrivateMessages INNER JOIN Users ON PrivateMessages.SenderID = Users.UserID INNER JOIN MessageStatus ON PrivateMessages.MessageID = MessageStatus.MessageID WHERE MessageStatus.ReceiverID=[@userid]; But for some reason when I try saving it in my Access database, I get the following error (translated to English by me, since my office is in a different language): Syntax error (missing operator) at expression: "PrivateMessages.SenderID = Users.UserID INNER JOIN MessageStatus ON PrivateMessages.MessageID = MessageStatus.MessageI". Any ideas what could cause this? Thanks.

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• How I Can do web programming with Lisp or Scheme?

  - by Castro

  I usually write web apps in PHP, Ruby or Perl. I am starting the study of Scheme and I want to try some web project with this language. But I can't find what is the best environment for this. I am looking for the following features: A simple way of get the request parameters (something like: get-get #key, get-post #key, get-cookie #key). Mysql access. HTML Form generators, processing, validators, etc. Helpers for filter user input data (something like htmlentities, escape variables for put in queries, etc). FLOSS. And GNU/Linux friendly. So, thanks in advance to all replies.

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• How to parse a string to an integer without library functions?

  - by dack

  Hi, I was recently asked this question in an interview: "How could you parse a string of the form '12345' into its integer representation 12345 without using any library functions, and regardless of language?" I thought of two answers, but the interviewer said there was a third. Here are my two solutions: Solution 1: Keep a dictionary which maps '1' = 1, '2' = 2, etc. Then parse the string one character at a time, look up the character in your dictionary, and multiply by place value. Sum the results. Solution 2: Parse the string one character at a time and subtract '0' from each character. This will give you '1' - '0' = 0x1, '2' - '0' = 0x2, etc. Again, multiply by place value and sum the results. Can anyone think of what a third solution might be? Thanks.

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• Manipulate Excel workbooks programmatically

  - by Tom

  I have an Excel workbook that I want to use as a template. It has several worksheets setup, one that produces the pretty graphs and summarizes the numbers. Sheet 1 needs to be populated with data that is generated by another program. The data comes in a tab delimited file. Currently the user imports the tab delimited file into a new Workbook, selects all and copies. Then goes to the template and pastes the data into sheet1. This is a large amount of data, 269 columns and over 135,000 rows. It’s a cumbersome process and the users are not experienced Excel users. All they really want is the pretty graphs. I would like to add a step after the program that generates the data to programmatically automate the process the user currently must do manually. Can anyone suggest the best method/programming language that could accomplish this?

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• Asking for input without stopping the script in python.

  - by ImTooStupidForThis

  I am (trying) to make a simple IRC client in python (as kind of a project while I learn the language). I have a loop that I use to receive and parse what the IRC server sends me, but if I use raw_input to input stuff, it stops the loop dead in its tracks until I input something (obviously). How can I input something without the loop stopping? Thanks in advance. (I don´t think I need to post the code, I just want to input something without the while 1 loop stopping.)

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• Calling software modules (Java, Perl, etc.) from R

  - by harshsinghal

  I've recently started using R for Natural Language Processing tasks and find that a lot of applications are available in Java and Perl (for my purposes). For example: A few perl modules are available to find distance measures between words by querying Wordnet. I am aware of the R Wordnet package, but it does not perform the tasks that these CPAN modules do. Many Java packages for NLP are out there, which I'd like to use from within R. I know of rJava, RSPerl, the simple system command amongst others, but I'd like more examples of how I could make calls to Java and Perl applications from R. Recently I tried capturing console output from a perl script. cat( 'print "Hello World\n";',file="hello.pl" ) system(command="c:\Perl64\bin\perl hello.pl") system(command=paste(Sys.getenv("COMSPEC"),"/c","C:\Perl64\bin\perl hello.pl")) None of the above system commands showed 'Hello World' on the R console. I've used "system" before to run perl scripts to perform tasks without wanting to capture console output. Any hints and redirection to other more extensive sources of information would be highly appreciated. Thank you

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• Python CSV file processing

  - by kingwarchief

  I just got introduced to python, the first language I get to learn, and I have this question below: I have an excel based CSV file with two columns (or rows, Pythonically) that I am working on. What I need to do is to perform some operations so that I can compare the two data entries in each 'row'. To be more precise, one column has constant numbers all the way down, whereas the other column varies. So I need to count the number of times the varying column data entry values crosses the constant value on the other column. For example: Varying Column; Constant Column 24 25 26 25 crosses 27 25 26 25 25.5 25 23 25 crossed 26 25 crossed So in this case the number of times there is a cross

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• how can I display controller's variable (which is on a loop) on .html.erb page? ruby on rails

  - by rrz

  I have the following code listed below in my controller: struc = {'en' => 'english', 'es' => 'espaniol', 'de' => 'germany', 'fr' => 'french', 'it' => 'italy'} struc.each_pair do |key, value| @key=key @value=value end on my application.html.erb I have the following <select name="Language" onchange="location=this.options[this.selectedIndex].value;"> <option value="/<% @key %>/<%= @rem %>"><%= @value %></option> </select> Now how can i make the value of '@key' and '@value' appear recursively display on (application.html.erb)? Thanks in advance

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• code deployment options

  - by bobinabottle

  We've been looking at automating our server and code deployments. We've already decided on puppet for our server configurations, but are looking for a more "push" style tool to use for code deployments. I'm currently looking at either using capistrano or fabric, but I'm not sure what would be the most mature to use? We deploy a number of different services, none of which are currenlty written in rails or django, so we don't mind about language. What would be the best one to build custom deployment scripts? Or have I missed another tool out there? We are also considering git pushing with hooks for deployment, but feel it will be limited/hacky in what we want to achieve with it. Any thoughts or experience would be great to hear. Cheers

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• How should I go about learning Python?

  - by user345690

  I am currently learning PHP and want to learn about OOP. *1.*I know Python is a well-organized and is all OOP, so would learning Python be a wise choose to learn OOP? The thing is I am more towards web development then just general programming, and I know Python is just a general purpose language, but there is Django. *2*So how should I go about learning Python if I am lending towards web development? Is there any good books/websites that help me learn Python for web development? 3. Is there any free webhosting companies that allow Python? I never used Python before, only PHP, and not sure how it works? Can I run Python on a localhost?

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• From a programmer's perspective, which is your everyday Python uses?

  - by Vimvq1987

  I've finished my thesis and now having a free time. I intend to learn another language, and Python seems to be a good choice. I'll probably have to use .NET for every day works, but I heard that Python helps programmer a lot, in mean of automation. That would be great if I can write "small" Python scripts to do something automatically. From a programmer's perspective, which is your everyday Python's uses? What did it do to have your works done?

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• Setting up separate ctags db's for C/C++ standard libs, boost, and third party libs

  - by Robert S. Barnes

  I want to set up separate ctags databases for various libraries in /usr/include/ for use with OmniCppComplete. The idea is to be able to pull in only the libraries needed for a particular project in the target language - C or C++. For example, I'd like to have one database for the standard C libraries, one for system libraries that might be used by either C or C++ programs ( sockets / networking comes to mind ) one for the standard C++ libs / STL / Boost, and then other databases for various third party libraries such as QT or glib. Then I could pull something in simply by typing set tags+= ~/.vim/somelib.tags in vim. I assume that everything related to the C++ stdlib and STL are in the /usr/include/c++ and that Boost is all in /usr/include/boost. Unfortunately it seems that the standard C libs and system libs are just kind of dumped directly into /usr/include/ with a variety of other stuff. How can I get a list of which files and directories belong to which libs? I'm on Ubuntu 8.04.

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• simple putStrLn in Haskell/Yampa with arrows syntax

  - by sisif

  i'm using Haskell with the Yampa FRP library which uses the arrows language extension. how can i do a simple putStrLn in a SF? mySF = proc x -> do y <- identity -< x*x putStrLn "Hello World!" ++ show y returnA -< y the arrow syntax complains about the expression not bein an arrow (of course), but even with arrows i get no output output <- identity -< putStrLn "Hello World!"

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• How to write syntax highlighting? c++

  - by ML

  Hi All, I am embarking on some learning and I want to write my own syntax highlighting for files in C++. Can anyone give me ideas on how to go about doing this? To me it seems that when a file is opened: 1. it would need to be parsed and decided what type of source file it is. Trusting the extension might not be full-proof a way to know what keywords/commands apply to what language a way to decide what color each keyword/command gets I want to do this on OS X, C++ or Objective-C Can anyone provide pointers on how I might get started with this?

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• Bit conversion operations in PHP

  - by Goro

  Hello, I find myself in need of performing bit-level conversion on variables in PHP. In more detail, I have a bit stream that is read as an integer by hardware, and I need to do some operations on the bits to make it into what its actually supposed to be (a float). I have to do this a few times for different formats, and the functionality I need is Being able to select and move individual bits in a variable Being able to cast statically one type of variable to the other (ie. int to float) I know php natively supports bitwise AND, OR, etc, and shift operations, but I was wondering if: there may already be a library in php that does this sort of thing I would be better off with delegating the calculations to some other language Thanks,

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• Zend + Wamp = Cant use curl/fput for a url locally

  - by bluedaniel

  Ive got a page in Zend all set up that will for now just echo "Hello", this address is at http://dev.local/hello and works when visiting in the browser. However when I try to use curl or file_get_contents from a script in my zend 'public' folder I get a 500 Internal error message. UPDATE Its failing because my application tries to set the langauge based on the browsers default language, when using headers like I have below, how do I add this locale? "User-Agent: XXXXXXX/2.0\r\n" . "Accept: */*\r\n" . "Accept-Charset: utf-8;\r\n" .

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• Using array of asp inside javascript is not working in the loop

  - by Poomjai

  I have a problem that when i bring the array of asp and use it in the javascript, When i use the counter (i++) and print for each index of array just like "<%=app[i] %" and it is not return the value back to me. Please help me i solve this problem for a day !!!-Thanks ^_^ edit <% String[] asp = {"a","b","c"}; %> <script language="javascript"> for(var i=0;i<"<%=asp %>".length;i++){ document.write("<%=asp[i] %>") } </script> the error is = Compiler Error Message: CS0103: The name 'i' does not exist in the current context

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• What is the most suitable for writing a high speed server C, C++ or C# ?

  - by wniroshan

  I'm goint to write a server which does lots of image processing. Server-end processsing is expected to be very tedious. Server will maily have mobile phones as its clients. I am really concerend about speed and effciency. Security is pretty important too. Server will be running on a windows platform. Can anyone tell me what should I use as the language C, C++ or C#? or at least what are the ares that I should be looking at when selecting one of them Thank you.

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• Managed C++ prospects

  - by Srikanth

  Has anyone tried coding in managed C++? I have a few questions : How productive is the language compared to C#? Is there any restriction on type of projects that can be written? Can we write a web application in managed C++? Is it possible to mix managed and unmanaged C++ code in one application? Is MFC still valid in managed C++? Will it be the best option when considering migration of a VC++ application?

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• why don't more programming languages have builtin interfaces to the window manager?

  - by Naveen

  Programming is at the heart about automating tasks on a computer. Presumably those tasks would normally be done manually by a human. Humans use the computer through the keyboard, mouse, and interaction with the console or the window manager. But very few languages have built in functions that provide an interface to these basic computing objects. A notable exception is autohotkey, an open source language on windows, providing builtin functions that allow the following simple tasks: * Get Pixel Information * Get mouse position * Keyboard macros * Simulate key strokes * Simulate mouse click * Window management See examples on rosettacode. There have been various attempts on linux, many of which were stopped without explanation. One is the inactive tcl library: android. Search google code for android, lang:tcl

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• Parallelizing a serial algorithm

  - by user643813

  Hej folks, I am working on porting a Text mining/Natural language application from single-core to a Map-Reduce style system. One of the steps involves a while loop similar to this: Queue<Element>; while (!queue.empty()) { Element e = queue.next(); Set<Element> result = calculateResultSet(e); if (!result.empty()) { queue.addAll(result); } } Each iteration depends on the result of the one before (kind of). There is no way of determining the number of iterations this loop will have to perform. Is there a way of parallelizing a serial algorithm such as this one? I am trying to think of a feedback mechanism, that is able to provide its own input, but how would one go about parallelizing it? Thanks for any help/remarks

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• What are the other new features of C# 4.0, after dynamic and optional parameters?

  - by Abel

  So, C# 4.0 came out yesterday. It introduced the much-debated dynamic keyword, named and optional parameters. Smaller improvements were the implicit ref and recognizing of indexed and default properties on COM methods, contra- and co-variance (really a .NET CLR feature, not C# only) and... Is that really it? Are dynamic and optional/named params the only real improvements to C#? Or did I miss something? Not that I'm complaining, but it seems a bit meager after C# 2.0 (generics) and C# 3.0 (lambda, LINQ). Maybe the language just reached actual maturity?

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