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• Proper permission and directoy location for Git Version Control

  - by CitadelCSAlum

  I am using Git Version Control on an remote server and I have set up a repository that multiple people will be using to push/fetch from. I have put the repo under /srv/subdir/git/.git I have been experiencing problem after problem it seems like. a) Is this location suitable for handling a project that will need to be accessed/modified by multiple developers and a designer? Or is there a better location? b)Do I need to modify the permissions on the subdir/ and git/ directories in order to allow remote access? If I do what is the appropriate permissions I should allow? I know this is a faily long request/question, but unfortunately like many other topics with well covered documentation, documentation does not always cover best practices. I would appreciate anybodies advice and suggestions? Thanks

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• Creating a User Registration Page using MongoEngine

  - by Drew Watkins

  I am currently working an a webapp, using mongoengine and django, which will require users to create an account from a registration page. I know MongoEngine has an authentication backend, but does it also include a registration form, etc..., like django itself does? If not, are there any example projects which show how to implement this? The only open-source mongoengine project I've found is django-mumblr, but I can't find the examples I want in it. I'm not interested in alternative options, such as MongoKit or mango for handling authentication. I am just getting started with django and mongoDB, so please excuse my lack of knowledge. Thanks in advance for the help!

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• How to search for duplicate values in a huge text file having around Half Million records

  - by Shibu

  I have an input txt file which has data in the form of records (each row is a record and represents more or less like a DB table) and I need to find for duplicate values. For example: Rec1: ACCOUNT_NBR_1*NAME_1*VALUE_1 Rec2: ACCOUNT_NBR_2*NAME_2*VALUE_2 Rec3: ACCOUNT_NBR_1*NAME_3*VALUE_3 In the above set, the Rec1 and Rec2 are considered to be duplicates as the ACCOUNT NUMBERS are same(ACCOUNT_NBR1). Note: The input file shown above is a delimiter type file (the delimiter being *) however the file type can also be a fixed length file where each column starts and ends with a specified positions. I am currently doing this with the following logic: Loop thru each ACCOUNT NUMBER Loop thru each line of the txt file and record and check if this is repeated. If repeated record the same in a hashtable. End End And I am using 'Pattern' & 'BufferedReader' java API's to perform the above task. But since it is taking a long time, I would like to know a better way of handling it. Thanks, Shibu

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• UIEvent timestamp

  - by skajam66

  When handling a UIButton touch, you are given a UIEvent object. The UIEvent object has a timestamp which the Apple documentation states as being "the time that the event was created" (UIEvent Class Reference). In the documentation on the Main Event Loop, it states that: "The application object obtains the topmost object in the event queue, converts it to an event object (UIEvent) ..." Does [UIEvent timestamp] refer to the time at which the UIEvent object is created (i.e. after processing the touch event off of the main run loop and hance not remotely real-time) or does it refer to the time that the underlying touch object was created (and hence as close as possible to representing the actual time of the user touch9?

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• SQL Server Service Broker Service Disappearing (Automatically Deleted)?

  - by mwigdahl

  I've implemented a messaging system over SQL Server Service Broker. It is working great, with the sole exception that every once in a while (maybe once per week per server) my initiator service just vanishes without a trace. The corresponding queue is still there, but the service is missing. Obviously this causes problems in my system. It's a simple matter to recreate the service by hand, but I'm confused as to what might cause this behavior. I understand that automatic poison message handling causes queues to be disabled, but I don't see anything that indicates services can be disabled or deleted automatically. When this happens, I usually have a large backlog of messages in multiple application queues, but nothing extreme. Total message backlog is around 200,000. Does anyone know what might be happening here?

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• How to download files directly to disk on the iPhone os?

  - by favo

  Hi, I would like to download files directly from an URL to the disk using objective-c on the iPhone os. Currently I am using NSURLConnection to send a synchronousRequest, writing the returned NSData into a file. How can I change the download handling (still having the request beeing synchronous, it is already in a background thread) to write the data directly to disk, not using memory variables to store the complete content (only small parts)? A sample code would be appreciated. Thank you all in advance for your responses!

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• using partials in view helpers

  - by takeshin

  Creating custom Zend View helpers I often end up with something like: // logic here if ($condition) { $output = <<<EOS... } else { $output = <<<EOS... } or using switch. Then to eliminate this, I create setPartial(), getPartial() and htmlize() for using external .phtml's. This is not the best solution, because partials do not support doctype changing. Is there any better solution, than creating abstract class handling this common case? Are there any ready Zend solutions for this case? Separate view helper for each case? And where to put common code?

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• C# filter results quarterly

  - by user339067

  Hello! I am writing a simple C# application that is handling bank savings. I want to be able to show the results on either, yearly, monthly or quarterly basic how can this be done? How can I loop through a set of results and only show every third post (if I am using quarterly) for example. In Python I can use range(1,31,3) but how is it done in C#? UPDATE 1 I want to loop 12 times (annually) and calculate the interest each loop but I only want to print the results every third loop (quarterly). How can I achieve this? Please help!

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• Connect to a DB with an encrypted password with Django?

  - by Liam

  My place of employment requires that all passwords must be encrypted, including the ones used to connect to a database. What's the best way of handling this? I'm using the development version of Django with MySQL at the moment, but I will be eventually migrating to Oracle. Is this a job for Django, or the database? Edit: The encrypted password should be stored in the settings.py file, or somewhere else in the filesystem. This is the password that will be used to connect to the database.

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• Does anybody have practice in programming PCMEF - architectures?

  - by Erkki

  PCMEF is an architecture style presented in the book Practical Software Engineering by Maciaszek and Liong. The layers are: P: Presentation C: Controller M: Mediator E: Entity F: Foundation. It is some kind of enchancement compared with MVC - architecture. I recommend it to interactice, data and communicating - oriented purposes. I have programmed it using Visual Prolog. Foundation in my applications is the data model (domains) for the application. PCMEF is like a simulated computer: Presentation is the display, Controller the user interface and event handling, Mediator the internal logic and data highway. Entity is the database or external interfaces and F defines the knowledge. This is a really nice small architecture. Does any other have experiance of it?

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• MySQL ODBC error "server has gone away"

  - by digitala

  Occasionally we're seeing an error from ASP pages: Microsoft OLE DB Provider for ODBC Drivers error '80004005' [MySQL][MyODBC 5.00.11][MySQL] 2006 MySQL server has gone away We're handling it the best way we can in ASP but it still crops up. I think it's more to do with the MySQL ODBC driver than the ASP code. We never see this with PHP code we also have running under the same IIS server, however PHP re-connects each time it is ran, whereas I believe the ODBC driver connects once and stays connected. I've checked the settings in the driver but there doesn't seem to be anything I can change to help mitigate the problem. Can anyone explain why this is happening and how to reduce the number of times it happens?

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• android RegEx external GPS string

  - by user1271363

  I have a problem with seperating information in a string i get from the external GPS stream. Heres a example of a string: $GPGSV,3,3,12,22,09,276,31,25,24,247,24,27,54,131,,32,04,359,19*71 $GPGLL,5703.85365,N,00953.88360,E,075510.00,A,A*69 $GPPWR,028a,1,0,1,1 $GPRMC,075511.00,A,5703.85369,N,00953.88430,E,0.335,302.17,070912,,,A*6E $GPVTG,302.17,T,,M,0.335,N,0.621,K,A*3A Want i am trying to do is to get the " $GPGLL,5703.85365,N,00953.88360,E,075510.00,A,A*69 " out so i can grab the longtitude and latitude and then update my textview with it. But keep getting string out of bounch exeption and i start wondering if i am handling this in the wrong way. Anyone that can put me in the right direction in how to solve this?

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• apply CSS style to particular elements dynamically

  - by WHITECOLOR

  I have a div with paragraphs inside: <div> <p>...</p> <p>...</p> </div> I want dynamically to apply a certain style to paragraphs inside this div. Is it possible to do that without handling each paragraph element, but just attach somehow style to div element and all inside paragraphs would be affected? Maybe with jquery. It sounds for me like dynamical change of the stylesheet, is it possbile? Thanks.

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• Using generics in dotnet for functions with any number of arguments?

  - by Zarigani

  I would like to have a function that can "wrap" any other function call. In this particular case, it would allow me to write some more generic transaction handling around some specific operations. I can write this for any particular number of arguments, e.g. for one argument: Public Shared Sub WrapFunc(Of T)(ByVal f As Action(Of T), ByVal arg As T) ' Test some stuff, start transaction f(arg) ' Test some stuff, end transaction End Sub ... but I was hoping to have this handle any number of arguments without having to have duplicate code for 0 args, 1 arg, 2 args, etc. Is there a way of doing this?

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• Suppress error with @ operator in PHP

  - by Mez

  In your opinion, is it ever valid to use the @ operator to suppress an error/warning in PHP whereas you may be handling the error? If so, in what circumstances would you use this? Code examples are welcome. Edit: Note to repliers. I'm not looking to turn error reporting off, but, for example, common practice is to use @fopen($file); and then check afterwards... but you can get rid of the @ by doing if (file_exists($file)) { fopen($file); } else { die('File not found'); } or similar. I guess the question is - is there anywhere that @ HAS to be used to supress an error, that CANNOT be handled in any other manner?

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• FETCH INTO doesn't raise an exception if the set is empty, does it?

  - by Cade Roux

  Here is some actual code I'm trying to debug: BEGIN OPEN bservice (coservice.prod_id); FETCH bservice INTO v_billing_alias_id, v_billing_service_uom_id, v_summary_remarks; CLOSE bservice; v_service_found := 1; -- An empty fetch is expected for some services. EXCEPTION WHEN OTHERS THEN v_service_found := 0; END; When the parametrized cursor bservice(prod_id) is empty, it fetches NULL into the three variables and does not throw an exception. So whoever wrote this code expecting it to throw an exception was wrong, right? The comment seems to imply that and empty fetch is expected and then it sets a flag for later handling, but I think this code cannot possibly have been tested with empty sets either. Obviously, it should use bservice%NOTFOUND or bservice%FOUND or similar.

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• How to handle "100 continue" HTTP message ?

  - by Stephane

  Hello, I'm writing a simplistic HTTP server that will accept PUT requests mostly from cURL as client and I'm having a bit of an issue with handling the "Expect: 100-continue" header. As I understand it, the server is supposed to read the header, send back a "HTTP/1.1 100 Continue" response on the connection, read the stream up to the value on "Content-Length" and then send back the real response code (Usually "HTTP/1.1 200 OK" but any other valid HTTP answer should do). Well, that's exactly what my server does. The problem is that, apparently, if I send a "100 Continue" answer, cURL fails to report any subsequent HTTP error code and assumes the upload was a success. For instance, if the upload is rejected due to the nature of the content (there is a basic data check happening), I want the calling client to detect the problem and act accordingly. Am I missing something obvious ? Thanks

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• Inserting asyncronously into Oracle, any benefits?

  - by Karl Trumstedt

  I am using ODP.NET for loading data into Oracle. I am bulking inserts into groups of a 1000 rows each call. Is there any performance benefits in calling my load method asynchronously? So say I want to insert 10000 rows, instead of making 10 calls synchronously I make 10 calls asynchronously. My database is using ASSM right now but otherwise plenty of freelists are used of course. The database server has several cores as well. My initial tests seem to point to a performance increase, but maybe there is something I cannot see? Potential deadlock or contention issues? Of course, there is added complexity in handling transactions and such doing my load this way.

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• manipulating 15+ million records in mysql with php?

  - by Nithish

  Hey, I got a user table containing 15+ million records and while doing the registration function i wish to check whether the username already exist. I did indexing for username column and when i run the query "select count(uid) from users where username='webdev'" ,. hmmm, its keep on loading blank screen finally hanged up. I'm doing this in my localhost with php 5 & mysql 5. So suggest me some technique to handle this situation. Is that mongodb is good alternative for handling this process in our local machine? Thanks, Nithish.

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• Are self-described / auto-descriptive services loosely or tightly coupled in a SOA architecture ?

  - by snowflake

  I consider a self-described / auto-descriptive service as a good thing in a SOA architecture, since (almost) everything you know to call the service is present in the service contract (such a WSDL). Sample of a non self-described service for me is Facebook Query Language (FQL http://wiki.developers.facebook.com/index.php/FQL), or any web service exchanging XML flow in a one String parameter for then parsing XML and performing treatments. Last ones seem further more technically decoupled, since technically you can switch implementations without technical impact on the caller, handling compatibility between implementations/versions at a business level. On the other side, having no strong interface (diluted into the service and its version), make the service tightly coupled to the existing implementation (more difficulty to interchange the service and to ensure perfect compatibility). This question is related to http://stackoverflow.com/questions/2503071/how-to-implement-loose-coupling-with-a-soa-architecture So, are self-described / auto-descriptive services loosely or tightly coupled in a SOA architecture ? What are the impacts regarding ESBs ? Any pointer will be appreciated.

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• Notify via email if something wrong got happened in the shell script

  - by Nevzz03

  fileexist=0 for i in $( ls /data/read-only/clv/daily/Finished-HADOOP_EXPORT_&processDate#.done); do mv /data/read-only/clv/daily/Finished-HADOOP_EXPORT_&processDate#.done /data/read-only/clv/daily/archieve-wip/ fileexist=1 done --some other script below Above is the shell script I have in which in the for loop, I am moving some files. I want to notify myself via email if something wrong got happened in the moving process, as I am running this script on the Hadoop Cluster, so it might be possible that cluster went down while this was running etc etc. So how can I have better error handling mechanism in this shell script? Any thoughts?

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• Implementing a 24 queue using MSMQ and WCF

  - by miker169

  I am shortly starting a project, which requires messages to be held in a queue for a period of 24 hours, this is because the database can't have any updates at certain times of the month. The service also has to be hosted on windows server 2003, which means it will have to be a windows service. It is also required that the service use WCF so that in 12 months time when we move over to windows server 2008, the service can hosted in iis 7. At present I am wondering if MSMQ is the best way to handle this. I've been looking into topics like poison message handling & dead letter queues, but nothing that really covers what I am intending to actually do. Could anyone recommend a sample or a tutorial for this ? Thanks in advance

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• Can one class generate a signal and handled by another class?

  - by rashid

  Hello, I have a buffer in class 'bufferClass' that will generate a signal to tell 'fileClass' that buffer is full and now write data to file? And when 'fileClass' is done writing to file, it will generate a signal to tell 'guiClass' that data can be read from file. Is this possible? I have been reading http://www.gnu.org/s/libc/manual/html_node/Signal-Handling.html but not too sure how to generate such a signal? I don't need the exact code, just an idea. Much appreciated. i am using mac os X, x-code.

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• How to check if file exists in Apache

  - by Rick

  I've set this up successfully in IIS in the past, but i'm not sure how to do it in Apache. I want to check to see if a file exists, whether it be: /path/to/file.php /path/to/file.cfm /path/to/file.html /path/to/ If the file does not exist, I want to redirect to /404/, where I have a file that does all 404 related handling. Lastly, when doing this in IIS, it gave me a CGI.QUERY_STRING of something like: 404;http://example.com/prettyurl Can apache do the same? This is what i've tried to so far, to no success. (I'm probably way off here...) RewriteEngine on RewriteCond %{DOCUMENT_ROOT}/%{REQUEST_URI} -f RewriteRule (.*)$ /404/ [R,L,NC] Thanks..

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• Database system that is not relational.

  - by paan

  What are the other types of database systems out there. I've recently came across couchDB that handles data in a non relational way. It got me thinking about what other models are other people is using. So, I want to know what other types of data model is out there. (I'm not looking for any specifics, just want to look at how other people are handling data storage, my interest are purely academic) The ones I already know are: RDBMS (mysql,postgres etc..) Document based approach (couchDB, lotus notes) Key/value pair (BerkeleyDB)

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