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• parsing raw email in php

  - by Uberfuzzy

  i'm looking for good/working/simple to use php code for parsing raw email into parts. i've written a couple of brute force solutions, but everytime, one small change/header/space/something comes along and my whole parser fails and the project falls apart. and before i get pointed at PEAR/PECL, i need actual code. my host has some screwy config or something, i can never seem to get the .so's to build right. if i do get the .so made, some difference in path/environment/php.ini doesnt always make it available (apache vs cron vs cli) oh, and one last thing, i'm parsing the raw email text, NOT pop3, and NOT imap. its being piped into the php script via a .qmail email redirect. i'm not expecting SOF to write it for me, i'm looking for some tips/starting points on doing it "right". this is one of those "wheel" problems that i know has already been solved.

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• Is it bad programming style to have a single, maybe common, generic exception?

  - by m0s

  Hi, so in my program I have parts where I use try catch blocks like this try { DirectoryInfo dirInfo = new DirectoryInfo(someString); //I don't know if that directory exists //I don't know if that string is valid path string... it could be anything //Some operations here } catch(Exception iDontCareWhyItFailed) { //Didn't work? great... we will say: somethings wrong, try again/next one } Of course I probably could do checks to see if the string is valid path (regex), then I would check if directory exists, then I could catch various exceptions to see why my routine failed and give more info... But in my program it's not really necessary. Now I just really need to know if this is acceptable, and what would a pro say/think about that. Thanks a lot for attention.

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• How do I correctly detect presence of FLTK using SCONS?

  - by James Morris

  I'm trying to build an application I've downloaded which uses the SCONS "make replacement" and the Fast Light Tool Kit Gui. The SConstruct code to detect the presence of fltk is: guienv = Environment(CPPFLAGS = '') guiconf = Configure(guienv) if not guiconf.CheckLibWithHeader('lo', 'lo/lo.h','c'): print 'Did not find liblo for OSC, exiting!' Exit(1) if not guiconf.CheckLibWithHeader('fltk', 'FL/Fl.H','c++'): print 'Did not find FLTK for the gui, exiting!' Exit(1) Unfortunately, on my (Gentoo Linux) system, and many others (Linux distributions) this can be quite troublesome if the package manager allows the simultaneous install of FLTK-1 and FLTK-2. Being Idealistic, I attempted to modify the SConstruct file to use fltk-config --cflags and fltk-config --ldflags (or fltk-config --libs might be better than ldflags) by adding them like so: guienv.Append(CPPPATH = os.popen('fltk-config --cflags').read()) guienv.Append(LIBPATH = os.popen('fltk-config --ldflags').read()) But this causes the test for liblo to fail! Looking in config.log shows how it failed: scons: Configure: Checking for C library lo... gcc -o .sconf_temp/conftest_4.o -c "-I/usr/include/fltk-1.1 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_THREAD_SAFE -D_REENTRANT" gcc: no input files scons: Configure: no How should this really be done?

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• Where can I find a professional image gallery built on a javascript framework?

  - by user278457

  I'm looking to find a galleria replacement, hopefully using jQuery but other javascript frameworks such as prototype or mootools are fine too. I used galleria a while back, and I need a similar product now. Unfortunately, the devkick.com domain seems to have disappeared in the meantime and I'm wary of using products that aren't actively maintained. I'm willing to pay up to $50 per site for licensing costs, if the product meets my needs. I'm specifically looking for a gallery with the following features: Every image in the gallery preloads asap, not as the user clicks "next" Minimalist default css to keep my subsequent styling headaches down, preferably a "darkroom" style by default, much as galleria looks Each element that constructs the image gallery should be simple and logical to reference with CSS As easy to install as adding a css class to a single unordered list No dependencies other than the core jQuery/other library, including "easing" and other effects must be optional Works on browsers back to IE6, Firefox 3, Safari (and iPhone), Chrome, Opera Has a javascript API that lets me trigger callback functions on common events such as "user clicks next" or "image loads" degrades gracefully without javascript, either displays images as a list, or just displays the first image in the list bonus: The gallery can display other content, such as video or external sites, like the modal boxes at shadowbox-js.com well documented minimal bandwidth requirement - .js file should be ~10kb minified bonus: The gallery source is hosted on a reliable CDN like google's bonus: Thumbnails for images do not appear until the main image has loaded bonus: includes ability to set parameters with JSON to change common behaviours, such as slide/fade transitions or automatic image switch every X seconds

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• Parse and display MIME multipart email on website

  - by aidan

  I have a raw email, (MIME multipart), and I want to display this on a website (e.g. in an iframe, with tabs for the HTML part and the plain text part, etc.). Are there any CPAN modules or Template::Toolkit plugins that I can use to help me achieve this? At the moment, it's looking like I'll have to parse the message with Email::MIME, then iterate over all the parts, and write a handler for all the different mime types. It's a long shot, but I'm wondering if anyone has done all this already? It's going to be a long and error prone process writing handlers if I attempt it myself. Thanks for any help.

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• Server-initiated Rendering: EJB -> FacesContext?

  - by egbokul

  I've already asked this question on the Icefaces forum, but meanwhile I realized that this is a more generic problem. I'd like to update parts of a JSF page when I get a message in my MDB. The problem is, how do I get the FacesContext from the EJB container? In the message processing function FacesContext.getCurrentInstance() returns null. I've also tried to make a JSF managed bean be a MDB, but I couldn't (it seems you can't have both in the same class?). Since I'm a beginner in the JSF world I'm kind of stuck now. Is there a way to make it work? (Glassfish v3 + Netbeans 6.8, JSF2 + Icefaces 2.0 alpha2)

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• Simple time profiling - strange times

  - by Gacek

  I'm trying to profile my code to check how long it takes to execute some parts of my code. I've wrapped my most time-consuming part of the code in something like that: DateTime start = DateTime.Now; ... ... // Here comes the time-consuming part ... Console.WriteLine((DateTime.Now - start).Miliseconds); The program is executing this part of code for couple of seconds (about 20 s) but in console I get the result of something about 800 miliseconds. Why is that so? What am I doing wrong?

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• Resources for how to design graph/charts well

  - by wesgarrison

  One of my projects needs to show users where they rank in certain calculations. I inherited the graph structure from the previous programmer and had to leave it alone while I worked on other parts of the site. It's time to make the graphs more meaningful, so I'm looking for books/websites/etc about graphs. (Not graph theory!) Charts that convey comparisons at a glance. Everyone suggests The Visual Display of Quantitative Information by Edward Tufte and that's spot on for what I'm looking for, so anything related to that would be great. Naturally, personal experience about what to do or not would be helpful as well.

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• Elegant setup of Python logging in Django

  - by Parand

  I have yet to find a way of setting up Python logging with Django that I'm happy with. My requirements are fairly simple: Different log handlers for different events - that is, I want to be able to log to different files Easy access to loggers in my modules. The module should be able to find its logger with little effort. Should be easily applicable to command-line modules. Parts of the system are stand-alone command line or daemon processes. Logging should be easily usable with these modules. My current setup is to use a logging.conf file and setup logging in each module I log from. It doesn't feel right. Do you have a logging setup that you like? Please detail it: how do you setup the configuration (do you use logging.conf or set it up in code), where/when do you initiate the loggers, and how do you get access to them in your modules, etc.

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• Why are virtual methods considered early bound?

  - by AspOnMyNet

  One definition of binding is that it is the act of replacing function names with memory addresses. a) Thus I assume early binding means function calls are replaced with memory addresses during compilation process, while with late binding this replacement happens during runtime? b) Why are virtual methods also considered early bound (thus the target method is found at compile time, and code is created that will call this method)? As far as I know, with virtual methods the call to actual method is resolved only during runtime and not compile time?! thanx EDIT: 1) A a=new A(); a.M(); As far as I know, it is not known at compile time where on the heap (thus at which memory address ) will instance a be created during runtime. Now, with early binding the function calls are replaced with memory addresses during compilation process. But how can compiler replace function call with memory address, if it doesn’t know where on the heap will object a be created during runtime ( here I’m assuming the address of method a.M will also be at same memory location as a )? 2) v-table calls are neither early nor late bound. Instead there's an offset into a table of function pointers. The offset is fixed at compile time, but which table the function pointer is chosen from depends on the runtime type of the object (the object contains a hidden pointer to its v-table), so the final function address is found at runtime. But assuming the object of type T is created via reflection ( thus app doesn’t even know of existence of type T ), then how can at compile time exist an entry point for that type of object?

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• An equivalent of -javaagent in C#? Or: ways to use a java framework in C#.

  - by Alix

  Hi everyone. This is probably something I should be able to figure out by myself, but I'm not having much luck so I figured I'd ask. The issue: I'm translating a system from java to C# and they use a java framework that I'd really like to use, since it takes care of the most complex parts of the system, which I would otherwise have to implement myself. I have the source code of this framework. I know there are several possibilities for using java libraries in C# (although I'm not familiar with any of them, so I'd appreciate suggestions). So far I've thought of using IKVM.NET to generate a .dll, but I'm not sure what to do next, because in java in order to run the framework with your code you're supposed to use the option -javaagent by adding -javaagent:bin/deuceAgent.jar (where deuceAgent is the framework) to your java command line. I don't know what the equivalent in C# would be once I have my .dll, or whether there's an equivalent at all. Any help? Thanks so much.

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• How do i deploy UAT and Development SharePoint solution on the same server ?

  - by Nikhil Vaghela

  I am working on a SharePoint 2010 Server and i have following items in my SharePoint solution Couple of web parts State Machine Work flow (which will be integrated to an Infopath form library) Infopath task edit forms Lets say this solutions is deployed to http://[SharePoint201Server]:[PortNumber-x]/ This is the only server i have (No extra server for UAT), and what ever has been done so far needs to be given for user acceptance testing (UAT). I may create one more site at http://[SharePoint201Server]:[PortNumber-y]/ for it. My problme is that how do i maintain two copies of my source code ? I will have to continue development on the same set of source code for next UAT release. I simply can not create simple copies of the source code as it will have same Assembly name and feature id, etc..As if i do so, any changes on under Development source code would affect UAT assemblies. One thing i can do is to create seperate projects for UAT and Development with different Features and Assembly names, but is not that too much of an unneccesory work ? What can be the best approach in such situation ?

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• Best compiled language for Mac OS X and Linux compatibility

  - by corydoras

  We need to write some software that will compile and run on both an Mac OS X server and Ubuntu. We would love to use Objective-C with all of its Cocoa goodness, however the GNUstep implementations of the parts we are using are broken (in the latest Ubuntu package anyway.) In light of this should we use C++ (I would really rather not), C or something else that we have not thought of? It is a server/back-end process that is very resource intensive, Java and other interpreted versions of this software perform much worse than the Objective-C proof of concept we have written, hence we now wish to re-write in a "compiled[1]" language. (NB: Some people might consider this subjective, however at the end of the day we do need to get a job done, there has to be a reasonably appropriate correct answer here). [1] Compiled to native CPU instructions, not compiled into "byte codes" that then have to be run by an interpreter.

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• How do I reuse code in Zend Framework

  - by Mario

  I am working on a web application which requires the user to login before they see or do anything. No part of this app should be accessible without being logged in. (Except of course, the login controller) Currently I am using sessions to handle the authentication and I have put code in each controller in the init() function to check if their session is valid. This was a temporary workaround, but it is redundant and inefficient. I would like my init() function to be similar to the following, but I am not sure how to achieve it: public function init() { // If user not logged in redirect to login controller $myLibrary = Zend_Library_MyLibrary(); $myLibrary->CheckAuth(); } So my question really has two parts: Where is the best place to store code that will be used in multiple controllers? How do I then call that function from a controller? Thanks.

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• Silverlight4 Printing Question

  - by hallgato.attila

  Hello everyone! I'm having a problem with printing. Is it possible to print a (customized) DataGrid which doesn't fit the page? a) Using a ViewBox to make it fit one page. My problem here is that I can get the PrintableArea.Width and PrintableArea.Height in the PrintPage EventHandler, from the PrintPageEventArgs, but in that Event Handler I can't set the size of an UIElement before it gets printed. b) Multiple pages. Is it possible somehow to print the whole DataGrid, even the parts which are not visible (don't fit the page) and to somehow make the PrintableArea only a part of the DataGrid?

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• Testing perceived performance

  - by Josh Kelley

  I recently got a shiny new development workstation. The only disadvantage of this is that the desktop apps I'm developing now run very, very fast, and so I fear that parts of the code that would be annoyingly slow on end users' machines will go unnoticed during my testing. Is there a good way to slow down an application for testing? I've tried searching around, but all of the results I've been able to find seem pretty fiddly to set up (e.g., manually setting up a high-priority CPU-bound task on the same CPU core as the target app, or running a background process that rapidly interrupts and resumes the target app), and I don't know if the end result is actually a good representation of running on a slower computer (with its slower CPU, slower RAM, slower disk I/O...). I don't think that this is a job for a profiler; I'm interested in the user's perception of end-to-end performance rather than in where the time goes for particular operations.

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• Multiple .NET processes memory footprint

  - by mr.b

  I am developing an application suite that consists of several applications which user can run as needed (they can run all at the same time, or only several..). My concern is in physical memory footprint of each process, as shown in task manager. I am aware that Framework does memory management behind the curtains in terms that it devotes parts of memory for certain things that are not directly related to my application. The question. Does .NET Framework has some way of minimizing memory footprint of processes it runs when there are several processes running at the same time? (Noobish guess ahead) Like, if System.dll is already loaded by one process, does framework load it for each process, or it has some way of sharing it between processes? I am in no way striving to write as small (resource-wise) apps as possible (if I were, I probably wouldn't be using .NET Framework in the first place), but if there's something I can do something about over-using resources, I'd like to know about it.

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• Import a Collada model doesn't align to pixels

  - by Dan Friedman

  Assume I have a model that is simply a cube. (It is more complicated than a cube, but for the purposes of this discussion, we will simplify.) So when I am in Sketchup, the cube is Xmm by Xmm by Xmm, where X is an integer. I then export the a Collada file and subsequently load that into threejs. Now if I look at the geometry bounding box, the values are floats, not integers. So now assume I am putting cubes next to each other with a small space in between say 1 pixel. Because screens can't draw half pixels, sometimes I see one pixel and sometimes I see two, which causes a lack of uniformity. I think I can resolve this satisfactorily if I can somehow get the imported model to have integer dimensions. I have full access to all parts of the model starting with Sketchup, so any point in the process is fair game. Is it possible? Thanks.

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• UML tool required for C#

  - by Peter Morris

  I need some help - here are my requirements. 1: I should be able to modify the UML model without affecting the code, and then later apply the changes. This is because I need to print the changes, get them confirmed, and then develop them. 2: I should be able to reuse parts of the model. For example I would create one project which outputs A.dll assembly, and then another UML project would use the classes in the first to crate B.dll 3: Project stored as text so I can see changes in version control history. 4: Together is too expensive :-)

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• What's the difference between an option type and a nullable type?

  - by Peter Olson

  In F# mantra there seems to be a visceral avoidance of null, Nullable<T> and its ilk. In exchange, we are supposed to instead use option types. To be honest, I don't really see the difference. My understanding of the F# option type is that it allows you to specify a type which can contain any of its normal values, or None. For example, an Option<int> allows all of the values that an int can have, in addition to None. My understanding of the C# nullable types is that it allows you to specify a type which can contain any of its normal values, or null. For example, a Nullable<int> a.k.a int? allows all of the values that an int can have, in addition to null. What's the difference? Do some vocabulary replacement with Nullable and Option, null and None, and you basically have the same thing. What's all the fuss over null about?

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• iPhone equivalent of Application.DoEvents();

  - by BahaiResearch.com

  iPHone: We use MonoTouch, but Obj-C answers are ok. My singleton domain object takes a while to get all the data so it runs internally parts of the fetch in a thread. I need to inform the UI that the domain is done. Currently I do this. Is there a better way? In WinForms I would call Application.DoEvents() instead of Thread Sleep. PlanDomain domain = PlanDomain.Instance (); while (domain.IsLoadingData) { Thread.Sleep (100); //this is the main UI thread } TableView.Hidden = false; TableView.Source = new TableSource (this); TableView.ReloadData ();

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• How difficult is it to migrate away from Google App Engine?

  - by Ignas Limanauskas

  I am thinking of making an (initially) small Web Application, which would eventually have a potential to grow. All things considered Google App Engine seems like a very attractive option. Say, user base and complexity grows and for one or other reason I needed to leave GAE behind. How difficult would it be to migrate away? 1) Does GAE provide a way to export the database? What format would it be? Would it be difficult to put it under MySQL (or similar)? 2) In which areas (ex. database access, others?) would I have to use GAE API? I.e. which parts of implementation would have to be abstracted away / interfaced? 3) Alternatively, is it even worth to keep GAE API outside, say, if there is nothing much I would need to use.

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• Handling file uploads with JavaScript and Google Gears, is there a better solution?

  - by gnarf

  So - I've been using this method of file uploading for a bit, but it seems that Google Gears has poor support for the newer browsers that implement the HTML5 specs. I've heard the word deprecated floating around a few channels, so I'm looking for a replacement that can accomplish the following tasks, and support the new browsers. I can always fall back to gears / standard file POST's but these following items make my process much simpler: Users MUST to be able to select multiple files for uploading in the dialog. I MUST be able to receive status updates on the transmission of a file. (progress bars) I would like to be able to use PUT requests instead of POST I would like to be able to easily attach these events to existing HTML elements using JavaScript. I.E. the File Selection should be triggered on a <button> click. I would like to be able to control response/request parameters easily using JavaScript. I'm not sure if the new HTML5 browsers have support for the desktop/request objects gears uses, or if there is a flash uploader that has these features that I am missing in my google searches. An example of uploading code using gears: // select some files: var desktop = google.gears.factory.create('beta.desktop'); desktop.openFiles(selectFilesCallback); function selectFilesCallback(files) { $.each(files,function(k,file) { // this code actually goes through a queue, and creates some status bars // but it is unimportant to show here... sendFile(file); }); } function sendFile(file) { google.gears.factory.create('beta.httprequest'); request.open('PUT', upl.url); request.setRequestHeader('filename', file.name); request.upload.onprogress = function(e) { // gives me % status updates... allows e.loaded/e.total }; request.onreadystatechange = function() { if (request.readyState == 4) { // completed the upload! } }; request.send(file.blob); return request; } Edit: apparently flash isn't capable of using PUT requests, so I have changed it to a "like" instead of a "must".

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• How to detect touch in triangle area

  - by Romain

  For my application, i need to divide diagonally the screen of my iphone in 4 parts and detect which of the part was touched. I am very confused because my areas are triangles and not squares and I can't find a solution to detect which of the triangle was touched... I get the touched Point with method touchesBegan, and there I'm stuck... :( How to define triangle shapes and test if it was touched? with View? layer? It could be really cool if someone could help me.

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• Javascript string replace with calculations

  - by Chris

  Is there a way to resolve mathematical expressions in strings in javascript? For example, suppose I want to produce the string "Tom has 2 apples, Lucy has 3 apples. Together they have 5 apples" but I want to be able to substitute in the variables. I can do this with a string replacement: string = "Tom has X apples, Lucy has Y apples. Together they have Z apples"; string2 = string.replace(/X/, '2').replace(/Y/, '3').replace(/Z/, '5'); However, it would be better if, instead of having a variable Z, I could use X+Y. Now, I could also do a string replace for X+Y and replace it with the correct value, but that would become messy when trying to deal with all the possible in-string calculations I might want to do. I suppose I'm looking for a way to achieve this: string = "Something [X], something [Y]. Something [(X+Y^2)/5X]"; And for the [_] parts to be understood as expressions to be resolved before substituting back into the string. Thanks for your help.

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