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• Opening a streaming connection to an HTTP server on iPhone/Cocoa environment?

  - by Paul

  I've been using NSURLConnection to do a HTTP post to establish the connection. I've also implemented the didReceiveData delegagate to process incoming bytes as they become available. As incoming data comes in via didReceiveData, I add the NSData to a data buffer and try parsing the bytesteam if enough data has come in to complete a message segment. I'm having a hard time managing the data buffer (NSMutableData object) to remove bytes that have been parsed to structs. Was curious if there's an easier way. Thanks

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• What's the equivalence of os.fork() on Windows with Python?

  - by prosseek

  This code works well in Mac/Linux, but not in Windows. import mmap import os map = mmap.mmap(-1, 13) map.write("Hello world!") pid = os.fork() if pid == 0: # In a child process print 'child' map.seek(0) print map.readline() map.close() else: print 'parent' What's the equivalent function of os.fork() on Windows?

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• How to install launch agent on Mac os x 10.5 / 10.6

  - by Unicorn

  I have developed a launchAgent in cocoa. It works fine for me on dev environment, by placing the plist file in location /Library/LaunchAgents/.To distribute and install this on other laptops, I created the package using package maker tool. As part of installation process I want to change permission of the plist file and copy it to /Library/LaunchAgents location. Could any one tell me how can i achieve this ? Thanks in advance for help....Any help will be appreciated ..!!!!

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• How to launch a c program from another c program

  - by michael

  Hi, I have a c program which I can launch at command prompt. Is it possible for me the lunch this application in my another c program? If yes, how? All the google result shows me how to do that using pthread? Will that work? I suspect that I need a new process for my c program. Thank you.

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• Is there a way to flush html to the wire in Sinatra

  - by thismatt

  I have a Sinatra app with a long running process (a web scraper). I'd like the app flush the results of the crawler's progress as the crawler is running instead of at the end. I've considered forking the request and doing something fancy with ajax but this is a really basic one-pager app that really just needs to output a log to a browser as it's happening. Any suggestions?

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• whats the term used to describe sending the same message to a system and reciving the same response

  - by Bluephlame

  I"m looking for a term here. in messaging systems you send a request, and it processes and sends a response. if that same request is sent it should return the same response, (but not necessarily process the details) This would be like submitting financial details twice.

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• Am I supposed to store hashes for passwords?

  - by Doug

  User System and Passwords: I was looking through MD5 stuff, and I am wondering what is the normal/good practice for passwords. Right now, I think people super encrypt the passwords and store the hashes. If so, how does password checking work? I just have the input password go through the encryption process again and then check the hash with the stored one, correct? This question may contradict the above, but should my salt ever be a randomly generated value?

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• Is there any Apache shutdown hook to be used for cleanup?

  - by Chris

  I am currently developing a module for Apache 2/2.2 and need to perform some cleanup before the main Apache process terminates (not the child processes). I have searched extensively without finding any guidelines on which hook to use. Can anyone help point me in the right direction?

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• Reading a stream in C++

  - by Bobby

  I have the following code: ifstream initFile; initFile.open("D:\\InitTLM.csv"); if(initFile.is_open()) { // Process file } The file is not opening. The file does exist on the D: drive. Is there a way to find out exactly why this file cannot be found? Like an "errno"?

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• Is continuous virtual memory increase an indication of a memory leak?

  - by Manish

  Is continuous increase in virtual memory(private bytes) of process indicate memory leak...? I am using third party library. Continuous use of library leads to continuous increase of virtual memory. So its a memory leak which can leads to continuous virtual memory increase or it can be any other reason.

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• out of memory error , my app's fault?

  - by arnold

  hello all, i have a aplication on the android market , in wich exceptions and errors are catched and sent to me by acra. But i receive quite a lot out of memory errors.. In different kind of classes...some my app, some general java.. Does this always mean there is a problem in my app, or can it also be the phone ran out of memory due to a other process? Will users also get a fc dialog ? thnks

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• How to make a VB exception handling for no value in a Textbox

  - by Twocold

  I want to catch an exception when user enter no value in a Textbox and try to process further by press a button, I know I can use "If else" statement to make it. but in terms of "Try and Catch" block, I dont know how. Here is the code sample. Dim NameString As String Try NameString = OperatorNameTextBox.Text Catch ex As ArgumentException MessageBox.Show("Enter a String Value") End Try

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• Django site runs into "504 timeout error"

  - by jack

  I have a Django based site on Nginx+FastCGI which keeps running into "504 timeout error" after about 30 minutes since FastCGI process restarted. I did a "ps -aux" check and a lot of FastCGI processes are with D status. How can I figure out which part of the site make FastCGI processes not responsing?

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• Is it safe to modify CCK tables by hand?

  - by LanguaFlash

  I'm not intimately familiar with CCK but I have a one-time custom setup and know that I could get some performance gains if I created indexes and changed the field type and length of some of the fields in my CCK table. Is it save to modify this table at all or will I end up destroying something in the process? Thanks

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• Look up values in a BDB for several files in parallel

  - by biznez

  What is the most efficient way to look up values in a BDB for several files in parallel? If I had a Perl script which did this for one file at a time, would forking/running the process in background with the ampersand in Linux work? How might Hadoop be used to solve this problem? Would threading be another solution?

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• Appstore - An application with only Youtube videos will be accepted?

  - by Pittor

  Hi, this is my question... I have a compilation(UITableView) of videos from youtube of a particular gender(funny videos, for example) and I want to know if this app will pass the approval process. These videos are freely accessible by anyone in youtube, but ins't uploaded/recorded by me. This is a concept: http://img263.imageshack.us/img263/3466/img0075.png (obviously with a cool skin design and more options like Favorites, Share with friends, etc) Thanks for reading.

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• how to Copy MS-Excel Chart to MS-Word programmatically using either VB.Net or C#.Net

  - by alemayehuni

  Hi! I am working on automating the manual work of copying Ms-Excel charts to Ms-Word that are created using ExcelWriter web service. Is there anyway that I can do the process programmatically using either VB.Net or C#.Net? Please advice me any possible way of doing this. Thanks Al

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• how to handle redirect from http response in c# code ?

  - by dotnetcoder

  I have a http request call that return a url . If I run this url in IE it returns a page that redirects to a another page and downloads the excel file. How can I abstract this whole process in a c# Api tha will deal with http request + response + redirect + file_downlaod in a method and evetually return the file or the file stream. thanks for the help.

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• VC++ and VisualAssert

  - by C_Bevan

  Hi, For some reason I can't get my test's to load in my project. In the test explorer it says "This process exited without registering with the agent - this may be due to the module not containing any test fixtures" ....I've tried Right Click-Add TestFixture, and adding them other various ways I can get it to work on a blank project Any idea which settings I might need to change

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• nested sql statements

  - by Hadad

  Hello, I've a self join table when I delete or update it's id I want to delete or update all the direct and indirect affected records SQL server does not allow this type of cycle cascading I've decided to use triggers but this triggers will file recursively and they will be terminated at 34 level and I don't know the depth of records and event I disable the trigger and re enable it after completing the process how can I construct a SQL statement that achieve this logic?

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• Retrieive VS2010 auto-assigned build numbers

  - by Darksider

  Is there a way to find out what the number is that the build process assigns to the * when I have the assembly version set to something like 1.0.0.*? I've been looking at the "EnvDTE" namespace in the macros, but haven't been able to find anything useful.

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• Eazfuscator.NET logging?

  - by kakopappa

  I am using Eazfuscator.NET 3.0.41 to obfuscate a (VS 2010) WPF 4 application. After obfuscating, when I double click the exe file it's throwing an error message like this. "Description: The process was terminated due to an unhandled exception. Exception Info: System.Windows.Markup.XamlParseException" Is there a way I could enable some sort of a logging to check where it's going wrong ? How can I solve this problem? please advice

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• AsyncTask when is onCancelled() is called besides calling AsyncTask.cancel ?

  - by chippy

  Hi Im new to android. Currently I have a View which has a AsyncTask class used for decoding. But eventhough AsyncTask.cancel() is not called within my class, onCancelled() has been called which resulted to some abnormal process in my application. I would like to ask if what are any instances that AsyncTask.onCancelled() will be called besides when calling the AsyncTask.cancel() Any help would be appreciated. Thanks alot in advance

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• How big in bytes is a DataRow

  - by JeffreyABecker

  I have a one-time process (hashing all our user passwords) written using datasets. The performance needs improvement so we've profiled the application and found that increasing the 'batch size' of the update will improve performance. I also know that if I load the entire data set into memory the application will start hitting swap and slow down. The question is: how big is a System.Data.DataRow derived class? I'd like to calculate a batch size which I know won't force the application into swap.

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• GC generation 3 appearing in windbg

  - by Johnv2020

  I've a dump file of a process I'm running (trying to find a memory leak) One thing I've noticed is that when I dump the bigger objects via !do windbg tells me that they are GC generation 3 ?? All of these are byte arrays so when I look at all the byte arrays in the dump I can see GC generations 0, 1, 2 & 3. Could someone explain whats going on here as I thought there was only 3 generations of GC.

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