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• Updated iphone application not live yet

  - by Vishal Mali

  Hi All, 3 weeks back we uploaded an application on the iTunes(V1.0). On Thursday we updated that application with new build (V1.2). I clicked the "Update" button on itunesconnect.apple.com and followed uploaded the new binary and new contents. On the next day the Description and price tag are updated successfully, but the build version number and screens shots are still from the previous version. And the amazing thing we noticed is that application status is "Waiting for Review" from last 2 days... :( I tried to play with release date, but still application status is "Waiting for Review". Its been 2 days that there is no activity happening from apple... :( Please help me in this scenario..... Thanks in advance. Regards, Vishal.

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• Lua API for TokyoTyrant

  - by jideel

  Hi SO folks, I didn't managed to find an Lua client/api for TokyoTyrant. Such Api exists for TokyoCabinet, but not for TT. And Perl and Ruby API exists for TT. TT provides a native binary protocol, a memcached-compatible protocol, and an HTTP-oriented protocol. So my questions are : 1/ Do you think using the memcached (using luamemcached) or the HTTP protocol (using luaSocket) is "enough" for most / simple usage, and so a native Lua api is not necessary ? (the app is a simple uuid storage/distributor) ? 2/ Does it make sense to not use TokyoTyrant, but only TokyoCabinet, and use Lua at the application level to provide network and concurrent access to TC, using, say, Copas (Copas is , from their website, "a dispatcher based on coroutines that can be used by TCP/IP servers." ? Thanks.

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• feof() in C file handling

  - by Neeraj

  I am reading a binary file byte-by-byte,i need determine that whether or not eof has reached. feof() doesn't works as "eof is set only when a read request for non-existent byte is made". So, I can have my custom check_eof like: if ( fread(&byte,sizeof(byte),1,fp) != 1) { if(feof()) return true; } return false; But the problem is, in case when eof is not reached, my file pointer is moved a byte ahead. So a solution might be to use ftell() and then fseek() to get it to correct position. Another solution might be to buffer the byte ahead in some temporary storage. Any better solutions?

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• How do I get source file information with dumpbin /symbols when compiling with VS 2005?

  - by Thomas Dartsch

  I have a tool which uses the output of dumpbin /symbols to do some dependency analysis with our C/C++ libraries. When we compiled the libs with VS 6.0, the dumpbin COFF SYMBOL TABLE contained entries like 000 00000008 DEBUG notype Filename | .file x:\mydir\mysource.c allowing me to get the relationship between sources and defined/used symbols, which is essential for my tool. When we compile with VS 2005, these entries are missing. When I look at the libs with a hex editor, it seems that there is no filename information at all included in the binary files, so it seems not to be a dumbin problem but is compilation related. So I'm looking for a way to get the Filename entries back into my libraries when compiling with VS 2005.

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• iPhone - how to store documents consisting of multiple images?

  - by Joe Strout

  My iPhone (actually, iPad) app creates documents that consist of several images, plus a bit of metadata. What's the best practice for storing these sorts of documents on disk? I see two main options: Create a folder for each document, and store my images as separate PNG files within the folder (plus another little file for the metadata). Create a single file which contains all images and metadata. But I'm not sure how to easily do option 2. I think I can convert my images in PNG format to/from NSData, but then what? I'm still a newbie at Cocoa, but I believe I saw something about stuffing mixed data into some NSSomethingOrOther and having this write itself out to disk, and read itself back in later. Does this ring a bell with anyone? And, will it work with large binary blobs of data like my images? Or would you recommend I simply go with option 1?

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• Safe non-tamperable URL component in Perl using symmetric encryption?

  - by Randal Schwartz

  OK, I'm probably just having a bad Monday, but I have the following need and I'm seeing lots of partial solutions but I'm sure I'm not the first person to need this, so I'm wondering if I'm missing the obvious. $client has 50 to 500 bytes worth of binary data that must be inserted into the middle of a URL and roundtrip to their customer's browser. Since it's part of the URL, we're up against the 1K "theoretical" limit of a GET URL. Also, $client doesn't want their customer decoding the data, or tampering with it without detection. $client would also prefer not to store anything server-side, so this must be completely standalone. Must be Perl code, and fast, in both encoding and decoding. I think the last step can be base64. But what are the steps for encryption and hashing that make the most sense?

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• Plain-English tutorial on artificial neural networks?

  - by Stuart

  I've Googled, StackOverflowed, everything, and I cannot seem to find a tutorial I can understand. I understand the concept of genetic algorithms, and how to implement them, (Though I haven't tried) but I cannot grasp the concept of neural networks. I know vaguely how they work... And that's about it. Could someone direct me to a tutorial that could help someone who has not even graduated middle school yet? Sure, I'm several years ahead of the majority of people my grade, but I don't understand summation, (which I apparently need if I don't want a simple binary output) vectors, and other things that I apparently should know. Is there a simple, bare-bones tutorial for neural networks? After I learn the basics, I'll proceed to more difficult ones. Preferably, they would be in Java. Thanks!

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• Cabal: Odd Error Message + Lack of Documentation

  - by voxcogitatio

  So I recently installed cabal (from the default binary of ArchLinux). I then tried to upgrade cabal as a user: cabal upgrade Cabal --user --prefix=$USER Resolving dependencies... cabal: fromFlag NoFlag. Use fromFlagOrDefault What I've already done: Googled the error message. Turned up the cabal source and little else. Looked at haskell-wiki on cabal-install. Looked through this guide. So basically I'm wondering: What's up with the error message? Could anyone point me in the direction of a cabal tutorial?

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• Are there any serialization frameworks for java

  - by Grofit

  I know there is simple, which seems to be a decent enough XML serializer and i know there is Jaxb which seems to do the job as well. However im after something a bit more generic, so I could serialize my model to Xml, Json, Binary etc. So the models are just dumb objects that just get thrown into some sort of serialization factory and then the relevant output is spat out... I dont see any reason why you couldn't do this with reflection, so for a REALLY simple solution get the relevent public properties, cut off the get or set and make that the element name... i.e getPersonName() would become <PersonName>xxxx</PersonName> or PersonName:XXXXX

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• Pylons importing Psycopg2 error

  - by resopollution

  Traceback (most recent call last): File "<stdin>", line 1, in <module> File "/Library/Python/2.6/site-packages/psycopg2/__init__.py", line 60, in <module> from _psycopg import BINARY, NUMBER, STRING, DATETIME, ROWID ImportError: dlopen(/Library/Python/2.6/site-packages/psycopg2/_psycopg.so, 2): Symbol not found: _PQbackendPID Referenced from: /Library/Python/2.6/site-packages/psycopg2/_psycopg.so Expected in: flat namespace in /Library/Python/2.6/site-packages/psycopg2/_psycopg.so Psycopg2 was working fine before, but now I get this error. Any ideas on this issue much appreciated. EDIT: so after dealing with so many psycopg2 errors everytime I set up my mac, I've decided to use VMWareFusion running Ubuntu instead.

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• Generic Text Only printer driver mangles control codes

  - by Terry

  If an escape character (or most other characters < 0x20) is sent to the generic / text only printer it gets printed as a period. Using the code in the WinDDK is it possible to 'correct' this behaviour so that it passes it through unmodified? The general scenario for this is that some application ('user app') outputs a document to a windows printer. My application requires this data in plain text form and so what I do is run a generic / text only printer that talks to a virtual com port. This generally works fine except where the 'user app' outputs binary data to the print queue without using the correct mechanism (which seems to work fine on some printer drivers, such as the Epson POS ones, but not the generic / text only one). I've tried changing the print processor selection without success and also tried looking at the gtt files to see if I could readily map in these characters as though they were printable, but the minidriver tool won't let me do that. Any suggestions?

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• HTTP header for sending PDF, problem in Firefox

  - by David

  In windows when i save a pdf with firefox adobe reader plugin ocurs this problem. The file saved is: http://www.example.com/opendocument.php_doc=._docs_doc01 My headers are: header('Content-type: application/pdf'); //header('Content-Disposition: inline; filename=doc01.pdf'); header("Content-Transfer-Encoding: binary"); header("Content-Length: ".filesize($pdf)); Original call is: http://www.example.com/opendocument.php?doc=./docs/doc01.pdf I'm not interest on attachment header. I must open into the website, not download o external window. Any idea?

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• can a OOM be caused by not finding enough contiguous memory?

  - by raticulin

  I start some java code with -Xmx1024m, and at some point I get an hprof due to OOM. The hprof shows just 320mb, and give me a stack trace: at java.util.Arrays.copyOfRange([CII)[C (Arrays.java:3209) at java.lang.String.<init>([CII)V (String.java:215) at java.lang.StringBuilder.toString()Ljava/lang/String; (StringBuilder.java:430) ... This comes from a large string I am copying. I remember reading somewhere (cannot find where) what happened is these cases is: process still has not consumed 1gb of memory, is way below even if heap still below 1gb, it needs some amount of memory, and for copyOfRange() it has to be continuous memory, so even if it is not over the limit yet, it cannot find a large enough piece of memory on the host, it fails with an OOM. I have tried to look for doc on this (copyOfRange() needs a block of continuous memory), but could not find any. The other possible culprit would be not enough permgen memory. Can someone confirm or refute the continuous memory hypothesis? Any pointer to some doc would help too.

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• Copy Structure To Another Program

  - by Steven

  Long story, long: I am adding a web interface (ASPX.NET: VB) to a data acquisition system developed with LabVIEW which outputs raw data files. These raw data files are the binary representation of a LabVIEW cluster (essentially a structure). LabVIEW provides functions to instantiate a class or structure or call a method defined in a .NET DLL file. I plan to create a DLL file containing a structure definition and a class with methods to transfer the structure. When the webpage requests data, it would call a LabVIEW executable with a filename parameter. The LabVIEW code would instantiate the structure, populate the structure from the data file, then call the method to transfer the data back to the website. Long story, short: How do you recommend I transfer (copy) an instance of a structure from one .NET program to a VB.NET program? Ideas considered: sockets, temp file, xml file, config file, web services, CSV, some type of serialization, shared memory

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• Bit manipulation, permutate bits

  - by triktae

  Hi. I am trying to make a loop that loops through all different integers where exactly 10 of the last 40 bits are set high, the rest set low. The reason is that I have a map with 40 different values, and I want to sum all different ways ten of these values can be multiplied. (This is just out of curiosity, so it's really the "bitmanip"-loop that is of interest, not the sum as such.) If I were to do this with e.g. 2 out of 4 bits, it would be easy to set all manually, 0011 = 7, 0101 = 5, 1001 = 9, 0110 = 6, 1010 = 10, 1100 = 12, but with 10 out of 40 I can't seem to find a method to generate these effectively. I tried, starting with 1023 ( = 1111111111 in binary), finding a good way to manipulate this, but with no success. I've been trying to do this in C++, but it's really the general method(if any) that is of interest. I did some googling, but with little success, if anyone has a good link, that would of course be appreciated too. :)

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• XAMPP or MAMP on Mac OS X 10.6.2 (Snow Leopard)

  - by Steve

  I just bought a new MacBook Pro which comes with Snow Leopard 10.6.2 (Mac OS X 10.6.2). I am used to using XAMPP as my local development server on XP. Since Mac OS X is based on Unix, I was thinking on activating/installing all the necessary stuff as I would normally do on Linux. However, I am not quite ready to be playing around with the system at this point so having an external package would be a nice temporary solution I think. The question is whether I should go with MAMP or XAMPP. Does anybody have any suggestions? The Pro and Cons I suppose. As far as I know, Mac OS X comes with Apache2 and PHP5. Would MAMP or XAMPP modify the existing Apache and PHP installation? Any comments on how I should proceed? PS: Eventually I would use the default installation of Apache and PHP, and install a binary package of MySQL but time for development is an essence and I don't have time to familiarize myself with Mac OS X.

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• Creating an AST node in Erlang

  - by dagda1

  Hi, I am playing about with Erlang and I am trying to write a simple arithmetic parser. I want to try and parse the following expression: ((12+3)-4) I want to parse the expression into a stack of AST nodes. When parsing this expression, I would first of all create a binary expression for the (12+3) expression which would look something like this in C#: var binaryStructure = new BinaryStructure(); binaryStructure.Left = IntegerLiteralExpression(12); binaryStructure.Right = IntegerLiteralExpression(4); binaryStructure.Operator = binaryExpression.Operator != BinaryOperatorType.Addition; I am quite new to Erlang and I am wondering how I would go about creating a structure like this in Erlang that I can place on a List that I would use as the stack of expressions. Can anyone suggest how to create such a tree like structure? Would a function be a good fit? Thanks Paul

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• IIS website is sending multiple content-type headers for zip files

  - by frankadelic

  We have a problem with an IIS5 server. When certain users/browsers click to download .zip files, binary gibberish text sometimes renders in the browser window. The desired behavior is for the file to either download or open with the associated zip application. Initially, we suspected that the wrong content-type header was set on the file. The IIS tech confirmed that .zip files were being served by IIS with the mime-type "application/x-zip-compressed". However, an inspection of the HTTP packets using Wireshark reveals that requests for zip files return two Content-Type headers. Content-Type: text/html; charset=UTF-8 Content-Type: application/x-zip-compressed Any idea why IIS is sending two content-type headers? This doesn't happen for regular HTML or images files. It does happen with ZIP and PDF. Is there a particular place we can ask the IIS tech to look? Or is there a configuration file we can examine?

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• visualize irregular data in vtk

  - by aaron berry

  I have an irregular data, x dimension - 384, y dimension - 256 and z dimension 64. Now these coordinates are stored in 3 separate binary files and i have a data file having a data value for these points. I want to know, how can i represent such data to be easily visualized in vtk. Till now we were using AVS which has fld files, which can read such data easily. I dont know how to do it in vtk. Would appreciate any pointers in this direction.

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• x86_64 printf segfault after brk call

  - by gmb11

  While i was trying do use brk (int 0x80 with 45 in %rax) to implement a simple memory manager program in assembly and print the blocks in order, i kept getting segfault. After a while i could only reproduce the error, but have no idea why is this happening: .section .data helloworld: .ascii "hello world" .section .text .globl _start _start: push %rbp mov %rsp, %rbp movq $45, %rax movq $0, %rbx #brk(0) should just return the current break of the programm int $0x80 #incq %rax #segfault #addq $1, %rax #segfault movq $0, %rax #works fine? #addq $1, %rax #segfault again? movq $helloworld, %rdi call printf movq $1, %rax #exit int $0x80 In the example here, if the commented lines are uncommented, i have a segfault, but some commands (like de movq $0, %rax) work just fine. In my other program, the first couple printf work, but the third crashes... Looking for other questions, i heard that printf sometimes allocates some memory, and that the brk shouldn't be used, because in this case it corrupts the heap or something... I'm very confused, does anyone know something about that? EDIT: I've just found out that for printf to work you need %rax=0.

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• Debian Package Control file Question.

  - by AJ

  Hello, I need to create a debian package for a java application. In my package there a .jar file which is executable , a script which will run this jar file and a .so file for fmod. I read the tutorial provided at http://tldp.org/HOWTO/html_single/Debian-Binary-Package-Building-HOWTO/ My question is in control file there is a Depends field which basically mentions the packages that need to installed in order to install my application. How do i find which packages are required for my application. I followed the instructions provided in the link for one of the .so and did ~/Desktop/PennTotalRecall/native/fmod/lib/linux64$ dpkg -S libfmodex64-4.28.09.so dpkg: libfmodex64-4.28.09.so not found. It gives above result. Also my application requires java 1.5 to be installed in order for it to run. How do I specify in my debian package. Thanks, AJ

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• How to configure build numbers in Visual Studio to enable dll comparison

  - by jaminto

  Hi Everyone- I am building a C# solution in Visual Studio 2008 that has several projects and project dependencies. I am looking for a way to change dll version numbers ONLY when the code that builds the project changes. I currently use Beyond Compare to compare my locally built version to the production file system. The goal is to ONLY deploy updated dlls. I am using autoincrementing version numbers, and each time you open visual studio and do a build, all dll version numbers increment. The same goes for a full solution rebuild and when a different developer does a build and tries to deploy. Is there a way that i can configure Visual Studio to ONLY increment the build number based on changed file contents? Is there an add in that will do this?It seems a binary comparison of these files will also fail because of the different version numbers within the dlls. Does anyone know of a better tool compare only the contents of dlls?Thanks in advance.

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• How to embed images in a single HTML / PHP file?

  - by Tatu Ulmanen

  Hi, I am creating a lightweight, single-file database administration tool and I would like to bundle some small icons with it. What is the best way to embed images in a HTML/PHP file? I know a method using PHP where I would call the same file with a GET parameter that would output hardcoded binary data with the correct header, but that seems a bit complicated. Can I use something to pass the image directly in a CSS background-image declaration? This would allow me to utilize the CSS sprite technique. Browser support isn't an issue here, so more exotic methods are welcome also. EDIT Does someone have a link/example to how to generate Data URL's properly with PHP? I'd figure echo 'data:image/png;base64,'.base64_encode(file_get_contents('image.png')) would suffice but I could be wrong.

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• Xcode compile error: Can't find an (old) file I used to have

  - by Carol

  This is what happens when I try to compile my iPhone app with Xcode v3.1.4 What in the world does it all mean? (And how do I fix it?) Processing /Users/carol/Documents/MyApp/build/Release-iphonesimulator/MyApp.app/Info.plist TabBarDemo2-Info.plist cd /Users/carol/Documents/MyApp setenv PATH "/Developer/Platforms/iPhoneSimulator.platform/Developer/usr/bin:/Developer/usr/bin:/usr/bin:/bin:/usr/sbin:/sbin" TabBarDemo2-Info.plist -genpkginfo /Users/carol/Documents/MyApp/build/Release-iphonesimulator/MyApp.app/PkgInfo -expandbuildsettings -format binary -o /Users/carol/Documents/MyApp/build/Release-iphonesimulator/MyApp.app/Info.plist error: The file “TabBarDemo2-Info.plist” does not exist.

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• How fast can you make linear search?

  - by Mark Probst

  I'm looking to optimize this linear search: static int linear (const int *arr, int n, int key) { int i = 0; while (i < n) { if (arr [i] >= key) break; ++i; } return i; } The array is sorted and the function is supposed to return the index of the first element that is greater or equal to the key. They array is not large (below 200 elements) and will be prepared once for a large number of searches. Array elements after the n-th can if necessary be initialized to something appropriate, if that speeds up the search. No, binary search is not allowed, only linear search.

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