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• Experiences with "language converters"?

  - by Friedrich

  I have read a few articles mentioning converters from one language to another. I'm a bit more than skeptical about the use of such kind of tools. Does anyone know or have experiences let's say about Visual Basic to Java or vs converters? Just one example to pick http://www.tvobjects.com/products/products.html, claims to be the "world leader" or so in that aspect, However if read this: http://dev.mysql.com/tech-resources/articles/active-grid.html There the author states: "The consensus of MySQL users is that automated conversion tools for MS Access do not work. For example, tools that translate existing Access applications to Java often result in 80% complete solutions where finishing the last 20% of the work takes longer than starting from scratch." Well we know we need 80% of the time to implement the first 80% functionality and another 80% of the time for the other 20 %.... So has anyone tried such tools and found them to be worthwhile?

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• Office documents prompt for login in anonymous SharePoint site

  - by xmt15

  I have a MOSS 07 site that is configured for anonymous access. There is a document library within this site that also has anonymous access enabled. When an anonymous user clicks on a PDF file in this library, he or she can read or download it with no problem. When a user clicks on an Office document, he or she is prompted with a login box. The user can cancel out of this box without entering a log in, and will be taken to the document. This happens in IE but not FireFox. I see some references to this question on the web but no clear solutions: http://www.microsoft.com/communities/newsgroups/en-us/default.aspx?dg=microsoft.public.sharepoint.windowsservices.development&tid=5452e093-a0d7-45c5-8ed0-96551e854cec&cat=en_US_CC8402B4-DC5E-652D-7DB2-0119AFB7C906&lang=en&cr=US&sloc=&p=1 http://www.sharepointu.com/forums/t/5779.aspx http://www.eggheadcafe.com/software/aspnet/30817418/anonymous-users-getting-p.aspx

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• How to load one div into another.

  - by Vinodtiru

  Hi, I have a page with 10 different div contents in it. Based on my button click i want the 11th div to load content or just take a copy of div 1 to 10. I mean like on button1 it should load div 1 and on button 2 i will load div 2 etc. All my div 1 to 10 will be hidden and the 11th div alone will be visible. I need this because of my below hierarchy. - Main Page (having the 10 div) ->inner div which is loaded by a ajax request.(this has 11th div and buttons) Now on click of any button like 1 to 10 its respective divs is supposed to be loaded from the div in the main page. I would like to do this by java script or jquery. Please let me know any possibilities. Any kind of suggestions or solutions is appreciated.

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• Making php-mode Compatible with Emacs 23

  - by Kristopher Johnson

  I am using Emacs 23 and php-mode.el 1.5.0. When I have this in my .emacs: (require 'php-mode) I get this error message when Emacs starts: Warning (initialization): An error occurred while loading `/Users/kdj/.emacs': error: `c-lang-defconst' must be used in a file To ensure normal operation, you should investigate and remove the cause of the error in your initialization file. Start Emacs with the `--debug-init' option to view a complete error backtrace. If I evaluate (require 'php-mode) after Emacs starts, I don't get any error messages. I found a blog entry which indicates that this problem is specific to Emacs 23 (that is, there is no error with Emacs 22.x), but it doesn't give any solutions. Don't know if this matters, but I'm using Mac OS X, and I built Emacs from the current CVS sources, using ./configure --with-ns. Anybody know what's going on here, and/or how I can fix it?

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• Stream (.NET) handling best-practices

  - by Jader Dias

  The question is entitled with the word "Stream" because the question below is a concrete example of a more generic doubt I have about Streams: I have a problem that accepts two solutions and I want to know the best one: I download a file, save it to disk (2 min), read it and write the contents to the DB (+ 2 min). I download a file and write the contents directly to the DB (3 min). If the write to DB fails I'll have to download again in the second case, but not in the first case. Which is best? Which would you use?

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• Trouble Emitting Object Array using Reflection.Emit

  - by JoeGeeky

  I am trying to Emit what I thought would be a simple object array that would result in code similar to the below example object[] parameters = new object[] { a, b, }; When I write the above code in C# using VS, I get the following IL. As expected this works. .locals init ( [0] object[] parameters, [1] object[] CS$0$0000) However, when I try and Emit IL directly, I only ever get a one index init array. Can someone help tell me where I've gone wrong here? Here is the Emit code I'm using: int arraySize = 2; LocalBuilder paramValues = ilGenerator.DeclareLocal(typeof(object[])); paramValues.SetLocalSymInfo("parameters"); ilGenerator.Emit(OpCodes.Ldc_I4_S, arraySize); ilGenerator.Emit(OpCodes.Newarr, typeof(object)); ilGenerator.Emit(OpCodes.Stloc, paramValues); Here is the resulting IL: .locals init ( [0] object[] objArray) The rest of the resulting IL is identical between the two solutions, but for some reason the .locals init is different.

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• Rails: Convert HTML to PDF?

  - by rip747

  What is the best and easiest way of taking HTML and converting it into a PDF, similar to use CFDOCUMENT on ColdFusion? UPDATE: I really appreciate all the comments and suggestions that people have given so far, however I feel that people leaving their answers are missing the point. 1) the solution has to be free or open sourced. one person suggested using pricexml and the other pd4ml. both of these solutions costs money (pricexml costing an arm and a leg) which i'm not about the fork over. 2) they must be able to take in html (either from a file, url or a string variable) and then produce the pdf. libraries like prawn, rprf, rtex are produced using their own methods and not taking in html. please don't think i'm ungrateful for the suggestions, it's just that pdf generation seems like a really problem for people like me who use ColdFusion but want to convert to Rails.

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• Are we asking too much of transactional memory?

  - by Carl Seleborg

  I've been reading up a lot about transactional memory lately. There is a bit of hype around TM, so a lot of people are enthusiastic about it, and it does provide solutions for painful problems with locking, but you regularly also see complaints: You can't do I/O You have to write your atomic sections so they can run several times (be careful with your local variables!) Software transactional memory offers poor performance [Insert your pet peeve here] I understand these concerns: more often than not, you find articles about STMs that only run on some particular hardware that supports some really nifty atomic operation (like LL/SC), or it has to be supported by some imaginary compiler, or it requires that all accesses to memory be transactional, it introduces type constraints monad-style, etc. And above all: these are real problems. This has lead me to ask myself: what speaks against local use of transactional memory as a replacement for locks? Would this already bring enough value, or must transactional memory be used all over the place if used at all?

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• Send HTTP Post with default browser with C#

  - by Paul

  Hello, I am wondering if it is possible to send POST data with the default browser of a computer in C#. Here is the situation. My client would like the ability to have their C# application open their browser and send client information to a webform. This webform would be behind a login screen. The assumption from the application side is that once the client data is sent to the login screen, the login screen would pass that information onto the webform to prepopulate it. This would be done over HTTPS and the client would like this to be done with a POST and not a GET as client information would be sent as plain text. I have found some wonderful solutions that do POSTS and handle the requests. As an example http://geekswithblogs.net/rakker/archive/2006/04/21/76044.aspx So the TL;DR version of this would be 1) Open Browser 2) Open some URL with POST data Thanks for your help, Paul

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• mail script in php

  - by Piyush

  I am hosting my web application(pnpmkt.com) from GODADDY.com they have given me some email account like [email protected]. I want to send welcome message to new user's to their mail account in other mail servers like google, yahoo.for example, my mail function is- <?php $address = "[email protected]"; $Subject = "PNP Solutions"; $body = "Welcome to PNP"; $mailsend = mail("$address", "$Subject", "$body."); print("$mailsend"); ?> what other configurations are required?Any path name or server name??

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• How to use derived class shared variables in shared methods of base class

  - by KoolKabin

  Hi guys, I am trying to add shared members in derived classes and use that values in base classes... I have base class DBLayer public shared function GetDetail(byval UIN as integer) dim StrSql = string.format("select * from {0} where uin = {1}", tablename, uin) .... end function end class my derived class class User inherits dblayer public shared tabledname as string = "users" end class class item inherits dblayer public shared tabledname as string = "item" end class class category inherits dblayer public shared tabledname as string = "category" end class currently there is error using the tablename variable of derived class in base class but i want to use it... coz i dun know other techniques... if other solutions are better then u can post it or u can say how can i make it work? confused...

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• C++ Ambiguous call to Overloaded Function (const variety)

  - by Joe

  After researching this online, I've only found solutions that don't apply to my problem, so please bear with me. Code snippet: typedef my_map_t<int const *, float> _test; my_map_t::const_iterator not_found = my_map_t::end(); if (_test.find(&iKeyValue) == not_found) { _test[iKeyValue] = 4 + 5; // not the actual code, but here for simplicity } The compiler complains that there's an ambiguous call to my_map_t::end(). This makes sense, because the only difference is the return type. Output: error C2668: 'std::_Tree<_Traits>::end' : ambiguous call to overloaded function Normally you can disambiguate the call by casting the parameters, but end() has no parameters. Any ideas?

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• What is Boost missing?

  - by Robert Gould

  After spending most of my waking time on Stack Overflow, for better or for worse, I've come to notice how 99% of the C++ questions are answered with "use boost::wealreadysolvedyourproblem", but there must definitely be a few areas Boost doesn't cover, but would be better if it did. So what features is Boost missing? I'll start by saying: boost::sql (although SOCI should try to become a legal part of boost) boost::json (although TinyJSON should try to become a legal part of boost) boost::audio (no idea about a good boost-like C++ library) PS: The purpose is to compile a reasonable list, and hopefully Boost-like solutions out there that aren't yet a part of Boost, so no silly stuff like boost::turkey please.

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• Is it Pythonic to have a class keep track of its instances?

  - by Lightbreeze

  Take the following code snippet class Missile: instances = [] def __init__(self): Missile.instances.append(self) Now take the code: class Hero(): ... def fire(self): Missile() When the hero fires, a missile needs to be created and appended to the main list. Thus the hero object needs to reference the list when it fires. Here are a few solutions, although I'm sure there are others: Make the list a global, Use a class variable (as above), or Have the hero object hold a reference to the list. I didn't post this on gamedev because my question is actually more general: Is the previous code considered okay? Given a situation like this, is there a more Pythonic solution?

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• How can I trigger a server-side event from a client-side event?

  - by danish

  Short version All I need is that, in a ModalPopUp, when the DoubleClick event of a ListItem fires, the click event of my OK button should be executed. Detail I have a ModalPopUpExtender, which hosts a user control. The user control has an OK and a Cancel button. Along with that, it has a dynamic ListBox added to it. So far, I've considered the following possible solutions: Use Ajax.Net. But, I cannot afford to have a WebMethod. Use a ClientScriptCallBack. This will need a lot of JavaScript, since I have made almost every control dynamic. Is there any other way apart from using an UpdatePanel?

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• Rails 3 functional optionally testing caching

  - by Stephan

  Generally, I want my functional tests to not perform action caching. Rails seems to be on my side, defaulting to config.action_controller.perform_caching = false in environment/test.rb. This leads to normal functional tests not testing the caching. So how do I test caching in Rails 3. The solutions proposed in this thread seem rather hacky or taylored towards Rails 2: How to enable page caching in a functional test in rails? I want to do something like: test "caching of index method" do with_caching do get :index assert_template 'index' get :index assert_template '' end end Maybe there is also a better way of testing that the cache was hit?

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• Android - Notification bar height from a service

  - by Vitaliy

  Hi, The application I'm working on is a service which runs in the background in android. The problem is that I need to determine the height of the notification bar for some functionality of the service. I found a number of solutions for this, for regular activities - a view inside an activity can determine its own height without the notification bar, based on checking its actual view size from its onSizeChanged event, after it is already drawn. However, this is not applicable to a service which has no physical view drawn. I would really appreciate any ideas on getting the size of the notification bar at a system level, perhaps? Thanks so much! Vitaliy

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• Create WPF TextBox that accepts only numbers

  - by Elad

  I would like to create a TextBox that only accepts numeric values, in a specific range. What is the best way to implement such TextBox? I thought about deriving TextBox and to override the validation and coercion of the TextProperty. However, I am not sure how to do this, and I understand that deriving WPF control is generally not recommended. Edit: What I needed was a very basic textbox that filters out all key presses which are not digits. The easiest way to achieve it is to handle the TextBox.PreviewTextInput event: private void textBox_PreviewTextInput(object sender, TextCompositionEventArgs e) { int result; if (!validateStringAsNumber(e.Text,out result,false)) { e.Handled = true; } } (validateStringAsNumber is my function that primarily use Int.TryParse) Some of the suggested solutions are probably better, but for the simple functionality I needed this solution is the easiest and quickest to implement while sufficient for my needs.

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• Hash 32bit int to 16bit int?

  - by dkamins

  What are some simple ways to hash a 32-bit integer (e.g. IP address, e.g. Unix time_t, etc.) down to a 16-bit integer? E.g. hash_32b_to_16b(0x12345678) might return 0xABCD. Let's start with this as a horrible but functional example solution: function hash_32b_to_16b(val32b) { return val32b % 0xffff; } Question is specifically about JavaScript, but feel free to add any language-neutral solutions, preferably without using library functions. Simple = good. Wacky+obfuscated = amusing.

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• Prevent IE caching

  - by Parhs

  I am developing a Java EE web application using Struts. The problem is with Internet Explorer caching. If an user logs out he can access some pages because they are cached and no request is made. If I hit refresh it works fine. Also if an user goes to login page again it won't redirect him because that page is also cached. Two solutions come to my mind: Writing an Interceptor (servlet filter like) to add to response header no-cache etc. Or or put <meta> tags at each page. Which one should I do?

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• When to use Spring Integration vs. Camel?

  - by ngeek

  As a seasoned Spring user I was assuming that Spring Integration would make the most sense in a recent project requiring some (JMS) messaging capabilities (more details). After some days working with Spring Integration it still feels like a lot of configuration overhead given the amount of channels you have to configure to bring some request-response (listening on different JMS queues) communications in place. Therefore I was looking for some background information how Camel is different from Spring Integration, but it seems like information out there are pretty spare, I found: http://java.dzone.com/articles/spring-integration-and-apache (Very neutral comparison between implementing a real-world integration scenario in Spring Integration vs. Camel, from December 2009) http://hillert.blogspot.com/2009/10/apache-camel-alternatives.html (Comparing Camel with other solutions, October 2009) http://raibledesigns.com/rd/entry/taking_apache_camel_for_a (Matt Raible, October 2008) Question is: what experiences did you make on using the one stack over the other? In which scenarios would you recommend Camel were Spring Integration lacks support? Where do you see pros and cons of each? Any advise from real-world projects are highly appreciated.

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• How to program asynchronous Windows Forms Applications?

  - by Nestor

  I'm writting a Windows Forms application in C# that performs a lot of long-running procedures. I need to program the application so that the GUI doesn't lock. What is the best way to program it? I know how to use the following: BeginInvoke/EndInvoke Calling Application.DoEvents() repeatedly (probably not a good idea) BackgroundWorker etc. But how to manage GUI state with call backs, etc... is not trivial. Are there solutions for this (in the form of patterns or libraries)?

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• Share pre-initialized GIT repository

  - by Theo.T

  We were sharing a GIT repository via file-sharing system (smb://) and got it badly corrupted (a power cut meanwhile the post-send :P). Being new to GIT, trying to fix it I made it even worse and I lost all the refs (left with the object folder). Since the incident I haven't had the time to look at the problem and have just been keeping committing to my local clone. So my question is : Is there a way to copy the local repository back to the location of the old repository and make it a shared repository in order to keep some track of previous the history ? That's all I could figure out (I'm still a git-noob), any other solutions are more than welcome ! Thanks in advance !

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• How to learn as a lone developer?

  - by fearofawhackplanet

  I've been lucky to work in a small team with a couple of experienced and knowledgeable developers for the first year of my career. I've learned a huge amount. But I'm now getting transferred within my company, and will be working on solo projects. I'll cope, but I know I'll make mistakes and won't always produce the best solutions without someone to guide me and review my output. I'm wondering if anyone has any tips in this situation. How can I keep learning? What's the best way to monitor and asses the quality of my work? How can I ensure that my career and skills don't stagnate?

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• C++: building iterator from bits

  - by gruszczy

  I have a bitmap and would like to return an iterator of positions of set bits. Right now I just walk the whole bitmap and if bit is set, then I provide next position. I believe this could be done more effectively: for example build statically array for each combination of bits in single byte and return vector of positions. This can't be done for a whole int, because array would be too big. But maybe there are some better solutions? Do you know any smart algorithms for this?

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