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• Preserving alpha issues with loaded UIImages - how to avoid discarding alpha values on import?

  - by Peter Hajas

  My application lets the user save/load images with alpha values to the camera roll on the device. I can see in the Photos application that these images are appropriately alpha'd, as alpha'd areas just appear black. However, when I load these images back into the application using the valueForKey:UIImagePickerControllerOriginalImage message to the info dictionary from (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info, the alpha values are turned to just white, making those sections opaque. Is there a way to preserve these alpha values?

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• Comment in HTML and CSS can ever create rendering problems?

  - by metal-gear-solid

  Comment in HTML CSS can ever create rendering problems? HTML Comment : <!-- some info --> CSS : /* some info */

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• Objective-C categories in static library

  - by Vladimir

  Can you guide me how to properly link static library to iphone project. I use staic library project added to app project as direct dependency (target - general - direct dependecies) and all works OK, but categories. A category defined in static library is not working in app. So my question is how to add static library with some categories into other project? And in general, what is best practice to use in app project code from other projects?

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• How can I break an email address into different parts in php?

  - by Jay Bee

  Basically what I want to do is display an email using javascript to bring the parts together and form a complete email address that cannot be visible by email harvesters. I would like to take an email address eg [email protected] and break it to: $variable1 = "info"; $variable2 = "thiscompany.com"; All this done in PHP. Regards, JB

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• Store a long string into mult array

  - by QLiu

  Hello All, I have a long string arrays, which looks like that var callinfo_data=new Array( "1300 135 604#<b>Monday - Friday: 9:00 a.m. to 5:30 p.m. AEST</b>", //Australia .. "0844000040#<b>lunedì-venerdì ore 10:00 - 17:00 CET</b>", //Switzerland (it) "212 356 9707#<b>Hafta içi her gün: 10:00 - 18:00</b>", //Turkey "08451610009#<b>Monday - Friday: 9:00 a.m. to 6:30 p.m. GMT</b>", //UK "866 486 6866#<b>Monday - Friday: 7:00 a.m. to 11:00 p.m. EST</b><br />Saturday: 9:00 a.m. to 8:00 p.m. EST", //USA "+31208501004#<b>Monday - Friday: 9:00 a.m. to 7:30 p.m. GMT+1</b>", //other countries " # "); As you see, it contact Phone number and open time. I can use split to separet them into info=callinfo_data[n].split("#"); two sections, And then i can represent them in HTML like "<div id ='phoneNumber'>"+info[0]+"</div><div id='openTime'>"+info[1]+"</div>" But my display phone number function will read the cookie variables, and then select the right contact info to display. Like, phone=callinfo_data[2].split("#"); if (locale == 'UK') details = phone[0]+ build_dropdown(locale); else if (locale == 'fr') details = 'French Contact Details<br>'+build_dropdown(locale); else if (locale == 'be') details = 'Belgian Contact Details<br>'+ build_dropdown(locale); else details = 'Unknown Contact Detail'; writeContactInfo(details); My questions are how I can build a function to load phone number and time based on my cookie variables, UK in a smart way. I can hard code everything, but i think it is too silly. I have to write a long code like: phone1= allinfo_data[0].split("#"); phone1= allinfo_data[1].split("#"); ... etc Second questions, how can I load this long arrays into easy access multi arrays? Thank you Regards, Qing

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• php script which updates svn working directory

  - by Sourabh

  Hi I want to write a php script which updates svn working directory I tried with below code , but it does not work.I guess because the USER for php script is "apache" but for svn update it needs to be "homeuser" putenv("USERNAME=homeuser"); putenv("HOME=/home/homeuser"); exec("svn update /home/homeuser/path/to/working/dir", $info); //svn update with full path print_r($info); how to get around ?

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• Python logger dynamic filename

  - by sharjeel

  I want to configure my Python logger in such a way so that each instance of logger should log in a file having the same name as the name of the logger itself. e.g.: log_hm = logging.getLogger('healthmonitor') log_hm.info("Testing Log") # Should log to /some/path/healthmonitor.log log_sc = logging.getLogger('scripts') log_sc.debug("Testing Scripts") # Should log to /some/path/scripts.log log_cr = logging.getLogger('cron') log_cr.info("Testing cron") # Should log to /some/path/cron.log I want to keep it generic and dont want to hardcode all kind of logger names I can have. Is that possible?

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• jQuery ajax post dynamic url insertion

  - by Kirill

  $.ajax({ type: "POST", url: "OMFG.php", data: info, success: function(){ }}); is what I'm using atm as a test and it works fine. I need to get the url from the link I'm clicking, so I do: var url = $(this).attr("href"); which works fine if I alert it out(the link includes http://samedomain.com/etc.php), but the ajax function doesn't post if I insert it into the ajax code: $.ajax({ type: "POST", url: url, data: info, success: function(){ }}); Please help, as I'm screwed without this working.

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• I am trying to build a list of limitations of all graph algorithms

  - by Jack

  Single Source shortest Path Dijkstra's - directed and undirected - works only for positive edge weights - cycles ?? Bellman Ford - directed - no cycles should exist All source shortest path Floyd Warshall - no info Minimum Spanning Tree ( no info about edge weights or nature of graph or cycles) Kruskal's Prim's - undirected Baruvka's

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• Obj-c categories in static library

  - by Vladimir

  Can you guide me how to properly link static library to iphone project. I use staic library project added to app project as direct dependency (target - general - direct dependecies) and all works OK, but categories. A category defined in static library is not working in app. So my question is how to add static library with some categories into other project? And in general, what is best practice to use in app project code from other projects?

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• Security for ASP.NET Diagnostics page

  - by Moe Sisko

  I'm thinking of creating a diagnostics page for an ASP.NET app, which would be mostly intended for admin use to get more information about the application for diagnosing problems. Examples of the info the page might have : System.Environment.MachineName (might be useful in web farm scenarios) System.Environment.Version Environment.UserName database name current user's session ID Some of the info on this page might be sensitive from a security perspective. If you've done this sort of page before, what sort of security did you put on access to this page ? .

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• collect text file information using c#

  - by riad

  Dear all, I have a text file .let name is abc.txt .The file have info like this jani stay in USA karim stay in France fara stay in UK Now i need to collect the information.the name is as nameString and the address is addressString.I have to put those information on anywhere else.So, i need all the name and address in a for loop. Can anybody pls help me to collect this info. Thanks in advance Riad

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• Getting logging.debug() to work on Google App Engine/Python

  - by brainjam

  I'm just getting started on building a Python app for Google App Engine. In the localhost environment I'm trying to send debug info to the GoogleAppEngineLauncher Log Console via logging.debug(), but it isn't showing up. However, anything sent through, say, logging.info() or logging.error() does show up. I've tried a logging.basicConfig(level=logging.DEBUG) before the logging.debug(), but to no avail. What am I missing?

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• Tool for debugging KVO/Bindings in Cocoa

  - by Raphael Sebbe

  Is there any tool to log current observers of a given object, in the spirit of what "gdb info gc-roots" does? I found "gdb info gc-references" could do that (sort of) as a by-product of its original purpose, but that won't work with non garbage collected apps. Thanks!

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• Evenly distibuted scatterViewItems that dont overlap

  - by Christo Fur

  Hi I have an app that creates a variable number of ScatterviewItems based on which tagged object is placed on the surface table. The ScatterViewItems are added programatically to the ScatterView based on info looked up in a DB The Scatterview does a good job of displaying this info However, I would like them to be evenly distributed across the table and not have any items overlapping Any ideas how to do that?

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• maven .Net build plugin clean, compile problem

  - by senzacionale

  i am using http://maven-dotnet-plugin.appspot.com/ but i get when i use clean command: [INFO] Internal error in the plugin manager executing goal 'org.codehaus.sonar-plugins.dotnet:maven-dotnet-plugin:0.1:clean': Unable to load the mojo 'org.codehaus.sonar-plugins.dotnet:maven-dotnet-plugin:0.1:clean' in the plugin 'org.codehaus.sonar-plugins.dotnet:maven-dotnet-pl ugin'. A required class is missing: org/codehaus/plexus/util/cli/CommandLineException org.codehaus.plexus.util.cli.CommandLineException [INFO]

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• how to: handle exceptions, best practices

  - by b0x0rz

  need to implement a global error handling, so maybe you can help out with the following example... i have this code: public bool IsUserAuthorizedToSignIn(string userEMailAddress, string userPassword) { // get MD5 hash for use in the LINQ query string passwordSaltedHash = this.PasswordSaltedHash(userEMailAddress, userPassword); // check for email / password / validity using (UserManagementDataContext context = new UserManagementDataContext()) { var users = from u in context.Users where u.UserEMailAdresses.Any(e => e.EMailAddress == userEMailAddress) && u.UserPasswords.Any(p => p.PasswordSaltedHash == passwordSaltedHash) && u.IsActive == true select u; // true if user found return (users.Count() == 1) ? true : false; } } and the md5 as well: private string PasswordSaltedHash(string userEMailAddress, string userPassword) { MD5 hasher = MD5.Create(); byte[] data = hasher.ComputeHash(Encoding.Default.GetBytes(userPassword + userEMailAddress)); StringBuilder stringBuilder = new StringBuilder(); for (int i = 0; i < data.Length; i++) { stringBuilder.Append(data[i].ToString("x2")); } Trace.WriteLine(String.Empty); Trace.WriteLine("hash: " + stringBuilder.ToString()); return stringBuilder.ToString(); } so, how would i go about handling exceptions from these functions? they first one is called from the Default.aspx page. the second one is only called from other functions from the class library. what is the best practice? surround code INSIDE each function with try-catch surround the FUNCTION CALL with try-catch something else?? what to do if exceptions happen? in this example: this is a user sign in, so somehow even if everything fails, the user should get some meaningful info - along the lines: sign in ok (just redirect), sign in not ok (wrong user name / password), sign in not possible due to internal problems, sorry (exception happened). for the first function i am worried if there is a problem with database access. not sure if there is anything that needs to be handled in the second one. thnx for the info. how would you do it? need specific info on this (easier for me to understand), but also general info on how to handle other tasks/functions. i looked around the internet but everyone has different things to say, so unsure what to do... will go with either most votes here, or most logicaly explained answer :) thank you.

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• Generic data input form in asp.net mvc application

  - by Diego

  Hello, I have an application that have EF 16 classes that share this information: They all are classes only with a key field and a description. I think it should be a waste if I make a controller with just 1 method just to present a form to fill these classes info, then I was thinking in to make a generic form(with key, description) and dynamically fill the right class through a sort of selection the selected info in any way, any good suggestion or pattern to do that? Where the generic methods should be located.

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• Spark show logged in user

  - by Jose

  How do I show the username of the person logged in within a Spark View? The default MVC view engine had a Page object that you could get the info from. How would I do that in spark? I know that I could put the info into the viewdata dictionary, which is probably the best, but I don't want to have to write ViewData["User"] = myUser; before I return from EVERY action method. I'd like some feedback

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• standard encryption decryption across different platforms

  - by Raj

  hey guys i need to implement a standard encryption decryption logic across an entire project platform which has different clients implemented using different platforms as follows: 1) iphone app (objectiv c) 2) website (classic asp) 3) webservice (asp.net) the iphone app as well as the website need to send info to webservice using encrypted query strings the web service then decrypts this and processes the info further wanted to know the simplest way to achieve this. is there some free and ready to use binary available with an easy to use api to achieve this? encryption needs to be as secure as possible thnx in advance

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• How to broadcast videos in iPhone?

  - by Jai

  Hi Guys, Anybody have any idea about how to broadcast videos in iPhone? I found two apps in some blogs, Ustream(working in iPhone) and QiK(working in jailbroken iPhone). And also i got some info from this link http://sol3.typepad.com/tagalong_developer_journa/2009/07/recorded-video-from-iphone-3gs-.html But i need some more info. Help me to develop a broadcasting app, please

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• Please Explain .NET Delegates

  - by user275561

  So I read MSDN and Stack Overflow. I understand what the Action Delegate does in general but it is not clicking no matter how many examples I do. In general, the same goes for the idea of delegates. So here is my question. When you have a function like this: public GetCustomers(Action<IEnumerable<Customer>,Exception> callBack) { } What is this, and what should I pass to it?

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• how do sites like toufee or mouvee work ?

  - by Code freak

  Hi, Was just wondering how do these sites (and many other softwares that generate flash movies from audio clips,images , docs) work ? how do they compile the media files(audio/image/vid) into a flv movie on the server ? Can the same be done using some open source tech. Any info or hint or some direction where i'd get more info regarding this would be very helpful. Thanks

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• What features would you like to see removed from C++?

  - by Justin Ethier

  This question was inspired by what-features-would-you-like-to-see-added-to-c. anBasically, C++ is a great general-purpose language. But perhaps too general and feature-rich... multiple inheritance, operator overloading, manual memory management, templates, smart pointers, virtual destructors, legacy frameworks (think MFC), and I could just go on. Is there any one feature / aspect of C++ that you would like taken away, to make our lives easier as C++ developers? One feature per answer, please.

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• How to keep iPhone app out of iPad store?

  - by Eric

  I have an iPhone app that I have started to turn into a universal app, however the process is not complete and I want to release an update to the iPhone version. I know that you can specify device capabilities in the Info.plist file to restrict your app to certain devices, but how can I do this to prevent the unfinished universal version from appearing in the iPad store? Is checking the LSRequiresiPhoneOS BOOL entry (in the Info.plist file) enough? Thanks!

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