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  • What is the most handy function you've ever came across? [closed]

    - by Viniyo Shouta
    Obviously everything is 'handy' when it comes to programming terms, but some get a highlight spot, like containers, matrix trasnformation functions and many others. But in this case please mention the one it was more handy to you, saved you from sparing hours resolving a problem, or even the one you like more, What is it and what does it does? I'll start with an example. Language: C++ Function: std::sort (STL) What does it does: Arranges the elements in a specified range into a nondescending order or according to an ordering criterion specified by a binary predicate. (It arranges a container in decreasing order) Why of this question? Because I want to learn how to if possible make my own implementations of these functions for pure studying purposes, to enhance knowledge

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  • Is it worthwhile learning about Emacs? [closed]

    - by dole doug
    Hi there Some time ago, I've heard what a great tool Emacs can be. I've read some papers about it and some watched some video too. I've read that emacs is great not only for developers but for usual users too...so i decided to start learning how to use it and wok with it. The problem is that I'm a MS Windows user and I learn in my spare time PHP and C(I also did some products on those languages, but i still considering myself in learning stage). Another problem is that I learn alone (no friends around to ask/learn from them, programming related stuff). Can you give me some tips about how to use those type of tools(especially those written for gnu/unix) with "poor" GUI but rich features? Do you recommend to use the specific windows written applications only and forget about those which come from GNU?

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  • Books to help self-taught programmers.

    - by RHaguiuda
    As a self-taught programmer I find myself sometimes thinking how to improve my learning skills. Are there any books out there that you recommend, that help a self-taught learning aproach? When I ask about books here, please I`m not reffering about programming books, but something more like metacognition and the process of learning.

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  • Suggest books/learning path for writing smartphone apps

    - by chibineku
    I have been writing a lot of HTML, CSS, PHP, MySQL and JavaScript lately working on a website, and I would like to move on to 'proper' OOP with an eye to making smartphone apps. I would like to at least cover iPhone and BlackBerry, which means learning Objective C, Cocoa and Java, before learning the specifics of interacting with the devices themselves, such as native bluetooth/GPS/internet API/methods. I would appreciate pointers to books or resources that will get me from a procedural web developer to object oriented app-maker. Most of the reviews of books on Objective C and Java have been mixed. I am about to start working my way through Beginning Java Objects (APress) which I have borrowed from my brother, so even if it's not a good intro at least it was free!

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  • Set User Defined Language Programmatically

    - by wonea
    I've been trying to select the User Defined Language programmatically unsuccessfully through various means, another problem is the files I need to apply the user defined language have no file extension, old DOS files; NPPM_SETCURRENTLANGTYPE (only enumerates built-in languages) Macros don't seem to sense changes with language selection, I was hoping to record a macro then trigger it with NPPExec. Notepad++ accepts only in-built languages for starting from the command line I can't select a UDL as the default language for a new document. ...and my attempts at overriding an in-built language seem to have failed. I've copied details from userDefinedLang.xml to langs.xml don't work. The highlighting doesn't change. Thanks for any help!!

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  • Parameter Tuning for Perceptron Learning Algorithm

    - by Albert Diego
    Hi, I'm having sort of an issue trying to figure out how to tune the parameters for my perceptron algorithm so that it performs relatively well on unseen data. I've implemented a verified working perceptron algorithm and I'd like to figure out a method by which I can tune the numbers of iterations and the learning rate of the perceptron. These are the two parameters I'm interested in. I know that the learning rate of the perceptron doesn't affect whether or not the algorithm converges and completes. I'm trying to grasp how to change n. Too fast and it'll swing around a lot, and too low and it'll take longer. As for the number of iterations, I'm not entirely sure how to determine an ideal number. In any case, any help would be appreciated. Thanks.

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  • latin bases language segmentation gramatical rules

    - by pravin
    Hi folks, I am working on one feature i.e. to apply language segmentation rules ( grammatical ) for Latin based language ( English currently ). Currently I am in phase of breaking sentences of user input. e.g.: "I am working in language translation". "I have used Google MT API for this" In above example i will break above sentence by full stop (.) This is normal cases where I am breaking sentence on dot, but there are n number of characters for breaking sentence like ( . ! ? etc ). I have following SRX rules for segmentation. Here my question are :- 1) Is there any reference ? which I can use for resolving my language segmentation rules. 2) Or Is there any forums on language segmentation ? , so that i can discuss efficiently Please let me know if anybody know about this ? Thanks a lot.

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  • Django: switch language of message sent from admin panel

    - by yoshi
    I have a model, Order, that has an action in the admin panel that lets an admin send information about the order to certain persons listed that order. Each person has language set and that is the language the message is supposed to be sent in. A short version of what I'm using: from django.utils.translation import ugettext as _ from django.core.mail import EmailMessage lang = method_that_gets_customer_language() body = _("Dear mister X, here is the information you requested\n") body += some_order_information subject = _("Order information") email = EmailMessage(subject, body, '[email protected]', ['[email protected]']) email.send() The customer information about the language he uses is available in lang. The default language is en-us, the translations are in french (fr) and german (de). Is there a way to use the translation for the language specified in lang for body and subject then switch back to en-us? For example: lang is 'de'. The subject and body should get the strings specified in the 'de' translation files.

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  • The Wheel Invention - Beneficial For Learning?

    - by Sarfraz
    Hello, Chris Coyier of css-tricks.com has written a good article titled Regarding Wheel Invention. In a paragraph he says: On the “reinventing” side, you benefit from complete control and learning from the process. And on the very next line he says: On the other side, you benefit from speed, reliability, and familiarity. Also often at odds are time spent and cost. He is right in both statements I think. I really like his first statement. I do actually sometimes re-invent the wheel to learn more and gain complete control over what I am inventing. I wonder why people are so much against that or rather biased. Isn't there the benefit of learning and getting complete control or probably some other benefits too. I would love to see what you have to say about this.

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  • Is Learning the win32 API Worthwhile?

    - by kronoz
    I was certain that somebody would have specifically asked this question, but from what I can see no-one has (there's been a question about learning win32 but that doesn't cover whether it's worthwhile doing so). I am very interested in gaining a deeper understanding of all the systems I use (I mostly program in C#, at least professionally), so I wondered, very simply - is learning win32 worthwhile, or is it overkill? Am I wasting my time? Is the knowledge I'd gain worth the effort? Similar / related questions on StackOverflow: Does it still make sense to learn low level WinAPI programming? How relevant is Win32 programming to modern professionals?

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  • Microsoft Outlook hangs when switching input language

    - by Hugo
    Hello, I have two keyboard languages, Swedish and Amerikan English. Normally, I switch language by hitting [alt]+[shift] and it works like a charm. However, suddenly Microsoft Outlook has started to hang whenever I try to switch keyboard input language. Whenever i hit [alt]+[shift] or use the menu to switch language Outlook will hang indefinitely not responding. Why? and what can I do about it? I have English Windows 2000 and Outlook 2003 with the Google Search Desktop plugin.

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  • Forbid language switch for certain application(s)

    - by Vasiliy Borovyak
    I have a problem of accidental input language switch. I tried many different settings in order to not do it - change hotkey, install some software (Key Switcher, Keyboard Ninja, Punto Switcher)... But nothing helped. I used to certain hotkey (Ctrl+Shift). Any other hotkey make me even more suffer. The software s found has no feature to avoid accidental switches. What I want is to find a piece of software which can stick "English US" input language to my "Visual Studio". And any Ctrl+Shift pushes inside VS should not lead to language switch. Have any ideas?

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  • Windows Server Backup 2008 - Language Incompatibilities?

    - by Chris Walters
    I have 2 Windows 2008 Server R2 machines - one is Japanese language based and the other English. When I try to connect from the English language server using Windows Server Backup (snap-in) I get the following message: "An internal error has occurred in the backup engine or the computer that you are connected to remotely is running a version of backup application that is not compatible with the version on your local computer" Both claim to be running Version 1 of Windows Server Backup. Is remote connection to non-identical language server OSs a known problem? Specifically this is seen when attempting the "Connect To Another Server" in the action pane of Windows Server Backup.

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  • Make nginx avoid cache if response contains Vary Accept-Language

    - by gioele
    The cache module of nginx version 1.1.19 does not take the Vary header into account. This means that nginx will serve the same request even if the content of one of the fields specified in the Vary header has changed. In my case I only care about the Accept-Language header, all the others have been taken care of. How can I make nginx cache everything except responses that have a Vary header that contains Accept-Language? I suppose I should have something like location / { proxy_cache cache; proxy_cache_valid 10m; proxy_cache_valid 404 1m; if ($some_header ~ "Accept-Language") { # WHAT IS THE HEADER TO USE? set $contains_accept_language # HOW SHOULD THIS VARIABLE BE SET? } proxy_no_cache $contains_accept_language proxy_http_version 1.1; proxy_pass http://localhost:8001; } but I do not know what is the variable name for "the Vary header received from the backend".

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  • How should I start with Lisp?

    - by Gary Rowe
    I've been programming for years now, working my way through various iterations of Blub (BASIC, Assembler, C, C++, Visual Basic, Java, Ruby in no particular order of "Blub-ness") and I'd like to learn Lisp. However, I have a lot of intertia what with limited time (family, full time job etc) and a comfortable happiness with my current Blub (Java). So my question is this, given that I'm someone who would really like to learn Lisp, what would be the initial steps to get a good result that demonstrates the superiority of Lisp in web development? Maybe I'm missing the point, but that's how I would initially see the application of my Lisp knowledge. I'm thinking "use dialect A, use IDE B, follow instructions on page C, question your sanity after monads using counsellor D". I'd just like to know what people here consider to be an optimal set of values for A, B, C and perhaps D. Also some discussion on the relative merit of learning such a powerful language as opposed to, say, becoming a Rails expert. Just to add some more detail, I'll be developing on MacOS (or a Linux VM) - no Windows based approaches will be necessary, thanks. Notes for those just browsing by I'm going to keep this question open for a while so that I can offer feedback on the suggestions after I've been able to explore them. If you happen to be browsing by and feel you have something to add, please do. I would really welcome your feedback. Interesting links Assuming you're coming at Lisp from a Java background, this set of links will get you started quickly. Using Intellij's La Clojure plugin to integrate Lisp (videocast) Lisp for the Web Online version of Practical Common Lisp (c/o Frank Shearar) Land of Lisp a (+ (+ very quirky) game based) way in but makes it all so straightforward

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  • How should I start with Lisp?

    - by Gary Rowe
    I've been programming for years now, working my way through various iterations of Blub (BASIC, Assembler, C, C++, Visual Basic, Java, Ruby in no particular order of "Blub-ness") and I'd like to learn Lisp. However, I have a lot of intertia what with limited time (family, full time job etc) and a comfortable happiness with my current Blub (Java). So my question is this, given that I'm someone who would really like to learn Lisp, what would be the initial steps to get a good result that demonstrates the superiority of Lisp in web development? Maybe I'm missing the point, but that's how I would initially see the application of my Lisp knowledge. I'm thinking "use dialect A, use IDE B, follow instructions on page C, question your sanity after monads using counsellor D". I'd just like to know what people here consider to be an optimal set of values for A, B, C and perhaps D. Also some discussion on the relative merit of learning such a powerful language as opposed to, say, becoming a Rails expert. Just to add some more detail, I'll be developing on MacOS (or a Linux VM) - no Windows based approaches will be necessary, thanks. Notes for those just browsing by I'm going to keep this question open for a while so that I can offer feedback on the suggestions after I've been able to explore them. If you happen to be browsing by and feel you have something to add, please do. I would really welcome your feedback. Interesting links Assuming you're coming at Lisp from a Java background, this set of links will get you started quickly. Using Intellij's La Clojure plugin to integrate Lisp (videocast) Lisp for the Web Online version of Practical Common Lisp (c/o Frank Shearar) Land of Lisp a (+ (+ very quirky) game based) way in but makes it all so straightforward

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  • What are the factors affecting a new programming language?

    - by Saurav Sengupta
    I am developing a new general-purpose programming language of my own design. It's currently my own personal project. I have read of some experts saying that new languages do not usually survive (unfortunately I can't find a reference to that right now). What are the most substantial problems that a new language faces? The language syntax is similar to C/Python families, it does not use S-expressions, and it is an imperative language, but I'm doing first-class functions in it to provide the facilities of currying. In particular, I am concentrating on translating the source language to an intermediate language for execution by an interpreter, but I'm not in a position to translate to native code yet. What would be the issues with that? I've not personally used many non-native code languages, so I'm not well aware of the performance issues on today's machines. I also can't decide upon a lexer and parser generator. What would be the pros and cons of Flex and Yacc vs. hand-made? And what benefits will LLVM provide? I need to get the interpreter ready as quickly as possible. Finally, what factors will affect the language's use post release? I am planning a small library of essentials and full documentation for the first phase.

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  • How did we get saddled with the (hierarchical) filesystem as the basic data structure?

    - by user1936
    I'm self-taught and I don't have a CS degree. The more I've been learning about data structure, the more I wonder, in this day and age, how are we still saddled with the filesystem, with directories and files, as the basic data storage structure on the OS? I understand the simplicity of it, but it seems nowadays that there could be more options available natively. As far as I'm aware, the only project to improve the basic functionality of the filesystem was ReiserFS, where you could tell what line of a file was changed by whom, and when. For instance, if I could have native tagging for files, where I could tag images, diagrams, word-processing documents, an entire code repository, all as belonging to a single project, that would really be helpful to me. Since I'm stuck in the filesystem paradigm, I know that I could put all those into a single folder/directory, but what if they already exist in disparate directories, and they need to stay there? I know there are programs out there that can do this, but why aren't they on the filesystem? Something that would be nice to have is some kind of relational feature in the filesystem, like you get with RDBMSes. I understand that that was supposed to be part of Vista/7, but that fell off the feature list too. Sure, any program can store a binary file and have any data structure it wants in it, by why couldn't the OS offer more complex ways of storing data, beyond the simple heirarchy of the filesystem?

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  • magento - multilingual site + Add store codes to url - want to show flag icons

    - by Mustapha George
    I want to have a multi-language magento site use a flag image instead of a language selector box for user to select language of page. There is a nice article on this at http://www.atwix.com/magento/replace-language-selector-flag-icons/ Only issue is that we use "Add store codes to url" option. I hacked this code, but it can use some refinement and make it more Magento looking. <?php if(count($this->getStores())>1): ?> <div class="form-language"> <div class="langs-wrapper"> <?php foreach ($this->getStores() as $_lang): ?> <?php if ($_lang->getCode() != 'default'): ?> <? $base_url = Mage::getBaseUrl(); // remove language in base url $base_url = str_replace('/en/' , "" , $base_url); $base_url = str_replace('/fr/' , "" , $base_url); $current_url = $this->helper('core/url')->getCurrentUrl(); // take out base url and language code $rest_of_url = str_replace($base_url , "" , $current_url); $rest_of_url = str_replace('/en/' , "" , $rest_of_url); $rest_of_url = str_replace('/fr/' , "" , $rest_of_url); // assmble new url $new_url = $base_url . '/' . $_lang->getCode() . '/' . $rest_of_url; ?> <a class="lang-flag" href="<?php echo $new_url ;?>"><img src="<?php echo $this->getSkinUrl('images/flags/' . $_lang->getCode() . '.png');?>" alt=""></a> <?php endif;?> <?php endforeach;?> </div> </div> <?php endif;?>

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  • Coding a parser for a domain specific language in Java

    - by Bruno Rothgiesser
    We want to design a simple domain specific language for writing test scripts to automatically test a XML-based interface of one of our applications. A sample test would be: Get an input XML file from network shared folder or subversion repository Import the XML file using the interface Check if the import result message was successfull Export the XML corresponding to the object that was just imported using the interface and check if it correct. If the domain specific language can be declarative and its statements look as close as my sentences in the sample above as possible, it will be awesome because people won't necessarily have to be programmers to understand/write/maintain the tests. Something like: newObject = GET FILE "http://svn/repos/template1.xml" reponseMessage = IMPORT newObject newObjectID = GET PROPERTY '/object/id/' FROM responseMessage (..) But then I'm not sure how to implement a simple parser for that languange in Java. Back in school, 10 years ago, I coded a language parser using Lex and Yacc for the C language. Maybe an approach would be to use some equivalent for Java? Or, I could give up the idea of having a declarative language and choose an XML-based language instead, which would possibly be easier to create a parser for? What approach would you recommend?

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