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  • Documentation for Apple's ithmb format?

    - by vy32
    I am looking for documentation of the ithmb format used by Apple for photos stored on an Apple iPod. I would be happy with source code or a description. The only "documentation" I can find is pre-compiled executables that crack out the JPEGs. Does anyone know how to do this?

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  • iOS Core Data migration: moving something from an entity into a file

    - by Tim Sullivan
    I have a scenario where I'm moving the contents of a blob stored in a core data entity into a file. I need a way to export that data during a migration, where I know the entity that's being converted and save the blob to a file, writing the location of that file into the converted entity's appropriate attribute. I can't seem to find a way to do this. The docs regarding the Three Stage Migration seem to indicate what can be done, but I'm not sure where to define things, or what exactly to define.

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  • Use .NET in VB6 or classical ASP

    - by Michael
    Duplicate of Calling .NET methods from VB6 via COM visible DLL Which ways exist to use/call .NET classes/functions/libraries (.net 3.x) in VB6 or classical ASP ? Has anybody experiences with that ? How much effort is necessary to wrap .NET to COM ? Are there tools which help ?

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  • [NUnit+Moq] Guidelines for using Assert versus Verify

    - by emddudley
    I'm new to unit testing, and I'm learning how to use NUnit and Moq. NUnit provides Assert syntax for testing conditions in my unit tests, while Moq provides some Verify functions. To some extent these seem to provide the same functionality. How do I know when it's more appropriate to use Assert or Verify? Maybe Assert is better for confirming state, and Verify is better for confirming behavior (Classical versus Mockist)?

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  • Getting ORACLE programming object definitions

    - by Yaakov Davis
    Let's say I have an ORACLE schema with contains a package. That package defines types, functions, procedures, etc: CREATE PACKAGE... DECLARE FUNCTION ... PROCEDURE ... END; Is there a query I can execute to get the definitions of those individual objects, without the wrapping package?

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  • AJAX calls randomly timing out in IE6/7?

    - by James Skidmore
    Some of my AJAX calls in IE6 and IE7 seem to randomly time out. It doesn't happen in any of the other browsers. Posting code won't be of much help, because it literally happens in three or four different places where the functions and code are completely different. Has anyone else experienced this issue before?

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  • how plot a matrix on a wxframe?

    - by milton
    I am starting on wx, and I need to plot a matrix (like a grid) that is stored on a list of lists on wx Frame. My matrix have to values, and I would like to set different colors for each values. mymatrix=[[100,200,200,200,100,200,200,200,100,100], [200,200,100,100,100,100,200,200,100,200], [100,100,200,200,100,100,100,100,100,100], [100,200,200,100,200,100,100,200,200,200], [200,100,200,100,100,100,100,200,100,100], [100,200,200,100,200,200,100,200,100,100], [200,100,200,100,100,100,200,100,100,100], [200,200,100,200,100,200,200,200,200,200], [200,200,200,100,200,200,200,100,100,100], [100,100,100,200,200,200,100,200,200,100]] a = numpy.array(landscape_matrix) im = Image.fromarray(a) I can show it using im.show() but I need to plot it on a wx frame. All help is welcome. [email protected]

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  • PHP Filesystem Pagination

    - by Byron
    How does one paginate a large listing of files within a folder? I can't see any functions in the PHP documentation that mention any way to specify an 'offset'. Both glob() and scandir() simply return all the files in the folder, and I'm afraid that won't be a good idea for a huge directory. Is there any better way of doing this than simply going through all the files and chopping off the first X number of files?

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  • Which is the "best" data access framework/approach for C# and .NET?

    - by Frans
    (EDIT: I made it a community wiki as it is more suited to a collaborative format.) There are a plethora of ways to access SQL Server and other databases from .NET. All have their pros and cons and it will never be a simple question of which is "best" - the answer will always be "it depends". However, I am looking for a comparison at a high level of the different approaches and frameworks in the context of different levels of systems. For example, I would imagine that for a quick-and-dirty Web 2.0 application the answer would be very different from an in-house Enterprise-level CRUD application. I am aware that there are numerous questions on Stack Overflow dealing with subsets of this question, but I think it would be useful to try to build a summary comparison. I will endeavour to update the question with corrections and clarifications as we go. So far, this is my understanding at a high level - but I am sure it is wrong... I am primarily focusing on the Microsoft approaches to keep this focused. ADO.NET Entity Framework Database agnostic Good because it allows swapping backends in and out Bad because it can hit performance and database vendors are not too happy about it Seems to be MS's preferred route for the future Complicated to learn (though, see 267357) It is accessed through LINQ to Entities so provides ORM, thus allowing abstraction in your code LINQ to SQL Uncertain future (see Is LINQ to SQL truly dead?) Easy to learn (?) Only works with MS SQL Server See also Pros and cons of LINQ "Standard" ADO.NET No ORM No abstraction so you are back to "roll your own" and play with dynamically generated SQL Direct access, allows potentially better performance This ties in to the age-old debate of whether to focus on objects or relational data, to which the answer of course is "it depends on where the bulk of the work is" and since that is an unanswerable question hopefully we don't have to go in to that too much. IMHO, if your application is primarily manipulating large amounts of data, it does not make sense to abstract it too much into objects in the front-end code, you are better off using stored procedures and dynamic SQL to do as much of the work as possible on the back-end. Whereas, if you primarily have user interaction which causes database interaction at the level of tens or hundreds of rows then ORM makes complete sense. So, I guess my argument for good old-fashioned ADO.NET would be in the case where you manipulate and modify large datasets, in which case you will benefit from the direct access to the backend. Another case, of course, is where you have to access a legacy database that is already guarded by stored procedures. ASP.NET Data Source Controls Are these something altogether different or just a layer over standard ADO.NET? - Would you really use these if you had a DAL or if you implemented LINQ or Entities? NHibernate Seems to be a very powerful and powerful ORM? Open source Some other relevant links; NHibernate or LINQ to SQL Entity Framework vs LINQ to SQL

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  • Change and Maintain CSS Style of Button State

    - by TDDG
    I have 5 list items that act like tabs for a page stored in a Masterpage in a asp.net application. When the user selects a list item, I would like to redirect the the page, and change the class for that list item (tab) to show the active tab the user is on. What is the best way to dynamically change the class of the list item based on the user interaction with them, and maintain the state?

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  • Security review of an authenticated Diffie Hellman variant

    - by mtraut
    EDIT I'm still hoping for some advice on this, i tried to clarify my intentions... When i came upon device pairing in my mobile communication framework i studied a lot of papers on this topic and and also got some input from previous questions here. But, i didn't find a ready to implement protocol solution - so i invented a derivate and as i'm no crypto geek i'm not sure about the security caveats of the final solution: The main questions are Is SHA256 sufficient as a commit function? Is the addition of the shared secret as an authentication info in the commit string safe? What is the overall security of the 1024 bit group DH I assume at most 2^-24 bit probability of succesful MITM attack (because of 24 bit challenge). Is this plausible? What may be the most promising attack (besides ripping the device out off my numb, cold hands) This is the algorithm sketch For first time pairing, a solution proposed in "Key agreement in peer-to-peer wireless networks" (DH-SC) is implemented. I based it on a commitment derived from: A fix "UUID" for the communicating entity/role (128 bit, sent at protocol start, before commitment) The public DH key (192 bit private key, based on the 1024 bit Oakley group) A 24 bit random challenge Commit is computed using SHA256 c = sha256( UUID || DH pub || Chall) Both parties exchange this commitment, open and transfer the plain content of the above values. The 24 bit random is displayed to the user for manual authentication DH session key (128 bytes, see above) is computed When the user opts for persistent pairing, the session key is stored with the remote UUID as a shared secret Next time devices connect, commit is computed by additionally hashing the previous DH session key before the random challenge. For sure it is not transfered when opening. c = sha256( UUID || DH pub || DH sess || Chall) Now the user is not bothered authenticating when the local party can derive the same commitment using his own, stored previous DH session key. After succesful connection the new DH session key becomes the new shared secret. As this does not exactly fit the protocols i found so far (and as such their security proofs), i'd be very interested to get an opinion from some more crypto enabled guys here. BTW. i did read about the "EKE" protocol, but i'm not sure what the extra security level is.

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  • Linux C++: how to profile time wasted due to cache misses?

    - by anon
    I know that I can use gprof to benchmark my code. However, I have this problem -- I have a smart pointer that has an extra level of indirection (think of it as a proxy object). As a result, I have this extra layer that effects pretty much all functions, and screws with caching. Is there a way to measure the time my CPU wastes due to cache misses? Thanks!

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  • Confusing Javascript class declaration

    - by clutch
    I have some third-party Javascript that has statements like this: FOO = function() { ...functions() ... return { hash } }(); It is working as designed but I'm confused by it. Can anybody define what this structure is doing? Is it just a weird way to create a class?

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  • Parsing string logic issue c#

    - by N0xus
    This is a follow on from this question My program is taking in a string that is comprised of two parts: a distance value and an id number respectively. I've split these up and stored them in local variables inside my program. All of the id numbers are stored in a dictionary and are used check the incoming distance value. Though I should note that each string that gets sent into my program from the device is passed along on a single string. The next time my program receives that a signal from a device, it overrides the previous data that was there before. Should the id key coming into my program match one inside my dictionary, then a variable held next to my dictionaries key, should be updated. However, when I run my program, I don't get 6 different values, I only get the same value and they all update at the same time. This is all the code I have written trying to do this: Dictionary<string, string> myDictonary = new Dictionary<string, string>(); string Value1 = ""; string Value2 = ""; string Value3 = ""; string Value4 = ""; string Value5 = ""; string Value6 = ""; void Start() { myDictonary.Add("11111111", Value1); myDictonary.Add("22222222", Value2); myDictonary.Add("33333333", Value3); myDictonary.Add("44444444", Value4); myDictonary.Add("55555555", Value5); myDictonary.Add("66666666", Value6); } private void AppendString(string message) { testMessage = message; string[] messages = message.Split(','); foreach(string w in messages) { if(!message.StartsWith(" ")) outputContent.text += w + "\n"; } messageCount = "RSSI number " + messages[0]; uuidString = "UUID number " + messages[1]; if(myDictonary.ContainsKey(messages[1])) { Value1 = messageCount; Value2 = messageCount; Value3 = messageCount; Value4 = messageCount; Value5 = messageCount; Value6 = messageCount; } } How can I get it so that when programs recives the first key, for example 1111111, it only updates Value1? The information that comes through can be dynamic, so I'd like to avoid harding as much information as I possibly can.

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  • How to relink existing shared library with extra object file

    - by awy
    I have existing Linux shared object file (shared library) which has been stripped. I want to produce a new version of the library with some additional functions included. I had hoped that something like the following would work, but does not: ld -o newlib.so newfuncs.o --whole-archive existinglib.so I do not have the source to the existing library. I could get it but getting a full build environment with the necessary dependencies in place would be a lot of effort for what seems like a simple problem.

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  • php:unable to download youtube video using phptube class

    - by I Like PHP
    i m using phptube class for downloading you tube video. from this site In code i paste youtube url on a input box but there is errors below. Warning: file_get_contents(http://www.youtube.com/get_video?video_id=&t=) [function.file-get-contents]: failed to open stream: HTTP request failed! HTTP/1.0 404 Not Found and Warning: file_put_contents(./flvs/3Hx9VsqMUug.flv) [function.file-put-contents]: failed to open stream: No such file or directory in E:\xampp\htdocs\vdo\utube \functions.php on line 19 path:./flvs/3Hx9VsqMUug.flv please tell me where is problem???

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  • php str_replace pattern

    - by user331071
    Hello , I have a php application that saves the pictures on the server and also stores the picture names in the database . The issue that I have is that the picture names include the path/folder where it was saved from (e.g 1220368812/chpk2198933_large-2.jpg) so I need a str_replace pattern to remove "1220368812/" and have the picture name correct stored in the db . Also I would appreciate if you will send me a good link that explains how exactly the str_replace patterns work or at least how the pattern that you use work .

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  • How to read textarea with certain condition

    - by user281180
    I have a textarea in which the user enters the following data: Paul:Nine, Rome Jenny:Five, India Bob I want to read the data and store the values before the colon in an array and the values after the colon in another array. Please note that the user may not enter values after the colon like in case 3 above. In such case, the value must be stored in the first array as if it is before the colon. How can I do that using jquery?

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  • How exactly does fopen(), fclose() work?

    - by user625672
    Hi, I was just wondering about the functions fopen, fclose, socket and closesocket. When calling fopen or opening a socket, what exactly is happening (especially memory wise)? Can opening files/sockets without closing them cause memory leaks? And third, how are sockets created and what do they look like memory wise? I'm also interrested in the role of the operating system (Windows) in reading the sockets and sending the data.

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  • Windowless OpenGL

    - by ext
    Hi, I would like to have a windowless OpenGL context (on both GNU/linux with Xorg and Windows). I'm not going to render anything but only call functions like glGetString, glCompileShader and similar. I've done some goggling but not come up with anything useful, except creating a hidden window; which seems like a hack to me. So does anyone have a better idea (for any platform)?

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