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• ASP.NET Download All Files as Zip

  - by Ronnie Overby

  I have a folder on my web server that has hundreds of mp3 files in it. I would like to provide the option for a user to download a zipped archive of every mp3 in the directory from a web page. I want to compress the files programmatically only when needed. Because the zip file will be quite large, I am thinking that I will need to send the zip file to the response stream as it is being zipped, for performance reasons. Is this possible? How can I do it?

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• Is there any reasons to prefer SparkViewEngine over XSLT (or vice versa) for a standalone email gene

  - by Stephane

  I have a service that receives an object containing all the data needed to build a newsletter. I need to be able to generate the email using different templates. I don't want to involve the whole ASP.NET stack for that, so I want a separate templating engine. Reading a lot of opinions, I have found that XSLT was not getting very much love when it comes to templating engines. Why? SparkViewEngine is a "new cool toy", but it seems mature enough considering the number of projects that have been built with it. What do you think? Did you used those 2 engines? in which situation, and what strength/pain did you enjoy/endure

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• Simplest possible table entry editing / addition / deletion web toolkit (for use with php)

  - by Dave

  Hi, i'm building a website in php and i have tables presented that i need to allow the user to: 1. add new entry (only one at a time, which should appear as a new modal overlay) 2. delete multiple selected entries from 3. edit an existing entry (only one at one time, in a view similar to 1.) 4. re-arrange entries up and down. One by one is fine. Multiple / Grouping rearrangements are not not needed what jquery / js / anything toolkit would be the SIMPLEST to work with? (of course, i should be able to work with it in php). I did try hacking away at: http://www.ericmmartin.com/projects/simplemodal/ but had a terrible time trying to get it to work on editing some existing data (had problem passing data to it).

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• How to build LLVM using GCC 4 on Windows?

  - by Steve314

  I have been able to build LLVM 2.6 (the llvm-2.6.tar.gz package) using MinGW GCC 3.4.5. I haven't tested properly, but it seems to work. The trouble is, I have libraries of my own which don't build using GCC3, but which work fine in GCC4 (template issues). I believe the first official GCC4 version for MinGW is GCC 4.4.0. EDIT Decluttered - everything useful in the "tried this tried that" info is now in the answer. EDIT Most of this question/answer is redundant with LLVM 2.7 - the standard configure, make routine works fine in MinGW with no hacks or workarounds.

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• How to Serialize a WPF Drawing?

  - by Néstor Sánchez A.

  Hi, maybe I'm missing something. I believed that WPF vector-based Drawings (like DrawingGroup, DrawingGeometry, etc.) were ready to be serialized. But they are not. So, should I navigate all these drawing childrens, and store they points, lines, brushes (that also are not serializable) and so on, and then made my custom serialization? Is really that difficult or I'm missing something pretty obvious? I mean, even serializing Bitmap images is easy. I thinked serializing vector-based drawings were easier (no quality loss, just descriptive info, no massive data). Thanks for your practical answers, alternate-way suggestions and comments!

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• Basic doubt about sensor usage

  - by Al

  Suppose I have a cellphone with accelerometer and magnetometer, and want to determine its absolute (wrt North/East/South/West) 3d position. Imagine the phone is laid vertically, with the screen facing me, the "up" vector pointing to the ceil. Whenever I tilt, the accelerometer allows me to get the "up" vector info change. The problem is that if I tilt the device and put it horizontally (screen now facing ceil, and "up" vector pointing to the opposite of where I am), then the up vector doesn't get updated any more if I rotate the phone horizontally on the table. This is something that clearly is detected by the magnetometer now. So, the question is, when to know where to use acc or mag for each case? Is there a generic way to achieve this?

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• Obfuscating Geocode results to protect privacy?

  - by Kevin

  I have an app that finds other users within a 20 mile radius on a google map and associates an icon with each of them. However, I do not want their exact points to be given but rather an approximation. I've wrestled with a few ideas on how to do this: Only Geocode the Zip Code, make graphic icons for 1-99, use the icon to represent how many results are within the zip code, and use the info window to show hyperlinks to the individual results. The only problem is, I'd like each individual icon to be shown because it just looks a lot better. Add/Subtract a random number to the lat/lng values stored with each user and add a translucent circle around the icon. What do you guys suggest?

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• Session persistence problem

  - by YsoL8

  Hello I'm having a problem with getting sessions to persist, and having no luck searching, I need to ask. I can access the contents of my session as expected when first set, but as soon as the page refreshes I lose everything and I don't see why. session_start() is set and I'm not unseting or destroying anything. I looked at PHP Info under sessions and everything looks ok (but my understanding of sessions is limited). I'm running MAMP on OS 10.5, and the last time I used sessions they worked.

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• OLE Component viewer find out it's id

  - by Ageis

  Hi I'm trying to run an app thats designed for windows using wine. It's an reimplementation of the windows api. I'm getting these OLE errors so I was wondering if there's a way I can find out what's missing. err:ole:ITypeInfo_fnInvoke did not find member id -518, flags 0x4! err:ole:ITypeInfo_fnInvoke did not find member id -517, flags 0x4! Any help is greatly appreciated! By the way it's windows xp computer I'll be trying to extract the info from

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• ejb timer service vs cron

  - by darko petreski

  Hi Ejb timer service can start some process in desired time intervals. Also we can do the same thing with cron (min 1 minute) interval. But doing it with cron we have more power on controlling, monitoring and changing the intervals. Also we can restart if needed the cron very easily by command line. Also we can add or remove lines in the cron transparently. What are the advantages of using ejb timer services over calling the ejbs from cron ? (several lines of code in the cron classes are not a problem) Regards.

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• Spring 3 Annotations

  - by jboyd

  I can't get spring annotations to work at all, I'm just trying to get the simplest thing to work... .../mycontext/something - invokes method: @RequestMapping(value = "/something") @ResponseBody public String helloWorld() { System.out.println("hello world"); return "Hello World"; } My main problem is no matter how hard I try, I can't find a complete SIMPLE example of the configuration files needed, every spring tutorial is filled with junk, I just one one controller to handle a request with a mapping and can't get it to work does anyone know of a simple and complete spring example. pet-clinic is no good, it's way too complicated, I have a tiny basic use case and it's proving to be a real pain to get working (this always happens with Spring)

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• ./configure : /bin/sh^M : bad interpreter

  - by Vineeth

  Hello there, I've been trying to install lpng142 on my fed 12 system. Seems like a problem to me. I get this error [root@localhost lpng142]# ./configure bash: ./configure: /bin/sh^M: bad interpreter: No such file or directory [root@localhost lpng142]# How do I fix this? and for more details, I shall include the /etc/fstub file details here # # /etc/fstab # Created by anaconda on Wed May 26 18:12:05 2010 # # Accessible filesystems, by reference, are maintained under '/dev/disk' # See man pages fstab(5), findfs(8), mount(8) and/or blkid(8) for more info # /dev/mapper/VolGroup-lv_root / ext4 defaults 1 1 UUID=ce67cf79-22c3-45d4-8374-bd0075617cc8 /boot ext4 defaults 1 2 /dev/mapper/VolGroup-lv_swap swap swap defaults 0 0 tmpfs /dev/shm tmpfs defaults 0 0 devpts /dev/pts devpts gid=5,mode=620 0 0 sysfs /sys sysfs defaults 0 0 proc /proc proc defaults 0 0 [root@localhost etc]# Help, please

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• WinDbg can't find mfc90 version 9.0.30729.4148 symbols on msdl.microsoft.com

  - by Simon Hofverberg

  I think the title states my problem fairly well. Where are those mfc symbols? Some background info: I have a crash dump that I want to analyze in WinDbg. My symbol path contains msdl.microsoft.com/download/symbols (and it says h t t p first but I'm a new user here so I'm not allowed to write that twice. The 9.0.30729.4148 version seems to be installed by some Windows update When a dump contains an earlier version of mfc90, it is located by WinDbg on the Microsoft symbol server with the same settings. When I use !sym noisy, the output for mfc90.dll contains: SYMSRV: http://msdl.microsoft.com/download/symbols/mfc90.dll/4A596D4939c000/mfc90.dll not found The same thing happens on two different computers Edit: See my comments below. The symbols are present on the server, but WinDbg can't get them.

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• Image coding library

  - by Dmitry

  Is there any good library for lossless image encoding/decoding that has compression rate more or less similar to PNG but decoding to raw RGB bitmap data would be much faster than PNG? Also alpha transparency is needed, but not essential because, alpha channel could be taken from separate image. Original problem lies in slowness of reading and decoding PNG files on iPhone using standard libraries. Obvious and the simples solution would have been storing raw RGB bitmap data, but then size of unpacked ipa is too large - 4 times larger than PNG files. So, I am trying to find some compromise solution.

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• Efficiently detect corrupted jpeg file?

  - by Jacco

  Is there an efficient way of detecting if a jpeg file is corrupted? Background info:   solutions needs to work from within a php script   the jpeg files are on disk   manual checking is no option (user uploaded data) I know that imagecreatefromjpeg(string $filename); can do it. But it is quite slow at doing so. Does anybody know a faster/more efficient solutions?

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• How to do a pop-up window with textfields in Objective-C?

  - by lionfly

  In the iPhone Objective-C app, I want to pop-up a window (which is smaller than the main view, and the app does not stop running) when a button is tapped, with textField for the user to input text, and dismiss it when it is done. This is widely used but I really cannot google the relevant content out. What view should I use to connect it with the button? AlertView (which seems you cannot add dialogue in), ModalView? Are there relevant info somewhere? Thanks.

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• Getting browser culture using javascript

  - by The Sheek Geek

  Does anyone know how to obtain the browser culture from firefox and google chrome using javascript? Note: This is an asp.net 3.5 web application. The requirement is to try and set the applications display culture based on the browser culture. I have found very few bits and pieces of information for the other browsers but they do not seem to work. I am able to get it in IE with the following snipit of code: var browserCulture = this.clientInformation.browserLanguage; Any info would be great!

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• Text Wrapping differences in IE7, IE8, and FF

  - by gmcalab

  When I have this <table> below, the text wraps as needed in FF and IE8, but when I run this in compatibility mode or IE7 the text does not wrap and the width of the previous is basically ignored. Any way to get around this? Here is a simplified example. <table> <tr> <td style="width:125px"> hi </td> <td>bye</td> </tr> <tr> <td> line of text that will equal more than the above width </td> <td>bye</td> </tr> </table>

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• Git access on Heroku deployment and others: connection refused

  - by Toby Hede

  I have suddenly run into an issue using git. I created a new app, went to push to Heroku and now see: ssh: connect to host heroku.com port 22: Connection refused My other previously working Heroku apps no longer work, receiving the same error. Other Heroku commands work (create, info, db:push). I also see the error when accessing Git on my unfuddle accounts. I can SSH to other services, so it doesn't look like it's my machine. Any ideas?

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• imap_open() says "invalid remote specification" and fails to connect

  - by Kristopher Ives

  When I try to use imap_open I get the following error: Warning: imap_open() [function.imap-open]: Couldn't open stream {mail.domain.com:110/pop3/novalidate-cert/} in /path/to/mailbox.php on line 5 Can't open mailbox {mail.domain.com:110/pop3/novalidate-cert/}: invalid remote specification My phpinfo says that I have: IMAP c-Client Version 2007e SSL Support enabled Kerberos Support enabled On another server that gives the same phpinfo for imap it works, although that version is 2006. PHP says it was compiled with the following settings: './configure' '--disable-path-info-check' '--enable-exif' '--enable-fastcgi' '--enable-ftp' '--enable-gd-native-ttf' '--enable-libxml' '--enable-mbstring' '--enable-pdo=shared' '--enable-soap' '--enable-sockets' '--enable-zip' '--prefix=/usr' '--with-bz2' '--with-curl=/opt/curlssl/' '--with-freetype-dir=/usr' '--with-gd' '--with-gettext' '--with-imap=/opt/php_with_imap_client/' '--with-imap-ssl=/usr' '--with-jpeg-dir=/usr' '--with-kerberos' '--with-libexpat-dir=/usr' '--with-libxml-dir=/opt/xml2' '--with-libxml-dir=/opt/xml2/' '--with-mysql=/usr' '--with-mysql-sock=/var/lib/mysql/mysql.sock' '--with-mysqli=/usr/bin/mysql_config' '--with-openssl=/usr' '--with-openssl-dir=/usr' '--with-pdo-mysql=shared' '--with-pdo-sqlite=shared' '--with-pgsql=/usr' '--with-png-dir=/usr' '--with-sqlite=shared' '--with-ttf' '--with-xpm-dir=/usr' '--with-zlib' '--with-zlib-dir=/usr'

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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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• JNI_CreateJavaVM: Buffer overrun if I throw an exception in case of failure

  - by Dominik Fretz

  Hi, In a C++ project, I use the JNI invocation API to launch a JVM. I've done a little wrapper arount the JVM so I can use all the needed parts in a OO fashion. So far that works great. Now, if the JVM does not start (JNI_CreateJavaVM returns a value < 0) I'd like to raise an exception within my C++ code.But if I throw an exception after JNI_CreateJavaVM, I get a buffer overrun. If I raise the exception without the JNI_CreateJavaVM call, it works as expected. Does anyone have a clue on what the issue could be here? Or how to debug this? Environment: Windows, Visual Studio 2008 JDK: jrockit27.6jdk16005, but happens with SUN stock one as well Cheers Dominik

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• Paging doesn't work in the Joomla Article Manager in the admin section

  - by SkippyFire

  I inherited a Joomla site that is having a problem with the article manager in the admin section. The pagination doesn't work! If I click the page number, forward, back, or page size, nothing happens! So I found out that someone had previously installed the iJoomla SEO plugin, but it never worked so they removed it. I think it is incompatible with the version I have. I setup a local environment with almost the same setup (I have 5.2.11 vs the servers 5.2.13) with Wamp Server, and I found that some of the session variables are missing! When dumped via print_r(), the $_SESSION variable is missing the "com_content", "global", and "com_plugins" arrays! So I guess that is the reason that paging doesn't work, because the "com_content" array looks like it has paging info in it. (maybe I'm wrong) So I'm running Version 1.5.13 on PHP Version 5.2.13 Anyone know why this would happen? Thanks in advance!

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• Creating a MSI patch (.msp) by hand?

  - by Jerry Chong

  Our team has recently been considering pushing out a minor registry fix to users to modify one particular problematic key. Pretty straightforward stuff, just needed to update 1 key/value inside the registry. So at the moment, we are using Wix to build .msi installers for the product. While looking into Wix's support for generating .msp patch files, it seems that the only way to create an .msp is a somewhat overcomplicated multi-step process to: Get a copy of the original MSI, and compile a new copy of the fixed MSI Write a new Wix file that points to both installers Compile the Wix file into a .wixobj with Candle to a .psp Run Torch/Pyro over before/after snapshots of the original installers and the .psp, or alternatively using MsiMsp.exe Now my question is, can't I simply describe the registry change into a Wix file and directly compile it into the .msp, without step 1 and 4 - which is a huge amount of effort for just a simple change?

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• Python with PIL and Libjpeg on Leopard

  - by thescreamingdrills

  I'm having trouble getting pictures supported with PIL - it throws me this: "IOError: decoder jpeg not available" I installed PIL from binary, not realizing I needed libjpeg. I installed libjpeg and freetype2 through fink. I tried to reinstall PIL using instructions from http://timhatch.com/ (bottom of the page) "* Download PIL 1.1.6 source package and have the Developer Tools already installed * Patch setup.py with this patch so it can find the Freetype you already have. (patch -p0 < leopard_freetype2.diff) * sudo apt-get install libjpeg if you have fink (otherwise, build by hand and adjust paths)" But I'm still getting the same error. I'm on Leopard PPC.

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