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• Yahoo OAuth question

  - by ben

  Hi, I'm keep getting oauth_problem=consumer_key_unknown error when trying oauth https://api.login.yahoo.com/oauth/v2/get_request_token I'm pretty sure my consumer key is correct because it works locally (Runs via 127.0.0.1). Just keep giving me oauth_problem=consumer_key_unknown when I try it on my server. Any ideas?

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• Grails/Compass question - How can I change the compqass Connection to point to a different directory

  - by ombud

  Hi, I use the Searchable plugin with Grails I have the need to change the directory to which Compass points to, depending upon a UI choice by the user. Normally, this value is set in the compassConnection variable of the searchable map in grails-app/conf/Searchable.groovy, like so, and gets called at app startup time: searchable { compassConnection = new File( "/path/to/index/file/directory" ).absolutePath ... } To do what I need to do, I think that I need to get a handle into the compass config variable and then call config.setConnection("/new/path/to/index/dir") I don't know how I can get a reference to the config compass variable Am I right in assuming that I need to call setConnection(String) only, or is(are) there any other step(s) I need to take? Really appreciate any help that I can get, Shailen

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• Openfire scalability question XMPP Server

  - by candoyo

  Hello! Do you guys know how well openfire scales? My users will be using the application to do normal chatting like msn no file transfer for now. We will be using Amazon's EC2 server to run the chat server we would like to support over 1 Million users in total and around 30-50K active users during peak times. Since clustering is now opensource, I though Openfire might be the way to go, how much will it cost for the coherence license or can I bipass that somehow? Also, I wanted to develop plugin for Openfire if we go with it. Any pointers on how to set up a dev env and get going would be helpful too! Thanks ya'all! :)

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• question regarding rails framework code

  - by Joseph Misiti

  I noticed that the code in the rails framework is using the following convention all over the place: class SomeClass class << self def some function end end end rather than class SomeClass end def SomeClass.function end and class SomeClass def self.somefunction end end What is the reason for this design choice? They all seem to accomplish them same thing

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• A question about John Resig's Simple Javascript Inheritance.

  - by Zippo

  I'm using this simple code: http://ejohn.org/blog/simple-javascript-inheritance/ Using this "library", I made this simple class: var Person = Class.extend({ init: function(openningSentence) { this.say(openningSentence); }, say: function(words) { alert(words); } }); The problem with this class, is that I can't call a function using the variable "this" (line 3 in the code gives an error: unknown method "say"). Does anybody knoes if there's a solution for this problem? Btw - I'm using jquery, so if there's a jquery-based solution It'll be great :)

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• css div positioning question

  - by SoulieBaby

  Hi all, I have three divs with the following css: div#container { width: 780px; } div#photos { width: 780px; height: 300px; } div#content { position: relative; top: -106px; width: 780px; } <div id="container"> <div id="photos">photos are here</div> <div id="content">content goes here, but sits slightly on top of the photos layer content goes here, but sits slightly on top of the photos layer content goes here, but sits slightly on top of the photos layer content goes here, but sits slightly on top of the photos layer content goes here, but sits slightly on top of the photos layer content goes here, but sits slightly on top of the photos layer content goes here, but sits slightly on top of the photos layer content goes here, but sits slightly on top of the photos layer content goes here, but sits slightly on top of the photos layer content goes here, but sits slightly on top of the photos layer content goes here, but sits slightly on top of the photos layer content goes here, but sits slightly on top of the photos layer content goes here, but sits slightly on top of the photos layer content goes here, but sits slightly on top of the photos layer content goes here, but sits slightly on top of the photos layer content goes here, but sits slightly on top of the photos layer</div> </div> My problem is that because I've set the content layer to be top:-106px there's a big gap underneith, when I wanted the "container" div to end immediately after the "content" div. I tried setting margin-bottom: -106px on the "container" div but that didn't change the height of the "container" div.. The "content" div will have varied height as it's obviously for text, etc. Is there any way of making this work? Thanks in advance :)

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• Redis, it's memory limit and persistance question?

  - by Kirzilla

  Hello, I'm rather new to Redis and before using it I'd like to learn some important (as for me) details on it. So.... Redis is using RAM and HDD for storing data. RAM is used as fast read/write storage, HDD is used to make this data persistant. When Redis is started it loads all data from HDD to RAM or it loads only often queried data to the RAM? What if I have 500Mb Redis storage on HDD, but I have only 100Mb or RAM for Redis. Where can I read about it? Thank you PS: Sorry for my English

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• regex question for removal of javascript malware

  - by jeff

  Been hit with some nasty javascript malware on my site. I know that each offending code block starts with the following: <script language=javascript><!-- (function() and ends with </script> I'd like to remove the nasty bits via regex on windows, using some sort of freeware regex replacement tool. Any suggestions here? Thank You much.

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• Question of pointer in c

  - by Niraj CHoubey

  int b=5; int c; c=b++ + ++b; outputs 12 while b=b++ + ++b; outputs 13. Can someone help me please?

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• Mercurial hg add question

  - by rahulchandran

  I typed in hg add and I am brand new to mercurial and the result of this was a bunch of dll's exe's pdb's etc all got added Nothing's been committed yet and I basically want to undo the add. the documentation for hg forget is not very clear not sure if that is want I want How do I undo the add before the next commit I do have some real files that need adding so after I can undo the add I will use add with the exclude flag Thanks

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• C# Sorting Question

  - by betamoo

  I wonder what is the best C# data structure I should use to sort efficiently? Is it List or Array or what? And why the standard array [] does not implement sort method in it? Thanks

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• notification scheduling question

  - by sims

  Hi Stackers! I'm building an app that needs to send out notifications to users depending on user definable "notifications". So the notifications are not per event. They are arbitrary. A cron job should query the database and send out emails when it finds an event with matching criterion. The is a scheduling app. So naturally, one of the criterion is time. I think I've figured it out, but I'm sure there are better ideas out there as it seems to be a fairly common thing to do. I think I'll limit the users ability to "minutes before hand" to get notified as opposed to seconds or hours. So I have an eventA and notificationA. notificationA should be triggered if an event is due within 45 minutes. So eventA starts at 17:30. The user should be notified at 16:45. But the cron job might not run exactly at 00 seconds. So when the difference is not 45 minutes and 0 seconds it is, say, 45 minutes and 5 seconds. Notification time is past. Email doesn't get sent. User misses event. Shugar. We should also take into account that the cron job might take a long time to run. So maybe we should only trigger it every 5 minutes. So we need a bigger interval maybe. So then my guess would be to say that: if ((eventDueTime - now notificationTimeValue - interval) && (eventDueTime - now < notificationTimeValue + interval)) sendTheFrikinNotificationAlready(); It seems kind of risky if the there are thousands of notifications to send out. I guess I could make a thread for each notification and then a thread for each event that matches the criterion. That might help. Does that make sense? Any other ideas? Thanks!

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• Interview Question in C#

  - by amutha

  A Technical Lead asked me that ,he created a class,he declared object and initialized it.But some circumstance we may get "null reference" exception.He explained there are 1000 reasons for that and asked me to tell a single reason.I am unable to figure it out. What the reason(s) ,we may get such exception?

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• newbie question: how to show a drop down menu with this function

  - by Mellon

  My model object (e.g. MyObject) has one property (e.g. color), the "color" property holds a string value which comes from a list of string (e.g. colors=['red','yellow', 'black']). now, I have one instance of myObject get from database and show on the view page in a row, I need to show the 'color' property of myObject in a drop down menu with the current value as the default selected. How to implement this in Rails 3 in my view page. (Later, when user select from the dropdown menu, the object will be updated in DB based on user's selection) Please explain with instance "myObject" and list "colors=[...]"

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• [Beginner question on Flex] Storing local data

  - by Mike

  Hi, I am deploying a desktop application using AIR, and I would like to store some user-specific data on the machine such as a history of his entries. Is this possible? Where can I learn more about this? Thanks, Mike

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• iPhone SDK simple alert message question

  - by Paul

  char asd='a'; UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Are you sure?" message:asd delegate:self cancelButtonTitle:@"Cancel" otherButtonTitles:@"OK", nil]; [alert show]; [alert release]; above code not compiling in iPhone simulator. Why is that? :)

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• C# LINQ question, Why need new here?

  - by 5YrsLaterDBA

  Why we need the new in the select statement on one of them? var runs = from sampleDataTable in db.SampleData from sampleInfoTable in db.SampleInfo where sampleDataTable.SampleInfo.SampleInfoId == sampleInfoTable.SampleInfoId select new {sampleDataTable.Timestamp, sampleDataTable.SampleDataId, sampleInfoTable.Lane} ; and var runs2 = from sampleDataTable in db.SampleData from sampleInfoTable in db.SampleInfo where sampleDataTable.SampleInfo.SampleInfoId == sampleInfoTable.SampleInfoId && sampleDataTable.Timestamp == timestamp select sampleInfoTable.Lane;

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• Objective-C Array/List Question

  - by Dave C

  What is the best practice, even in general programming, when you have an undefined, possibly infinite, amount of items that you need in an array but don't have defined bounds. Can you define an endless array in objective c that you can keep pushing items onto, like other lanaguages have a list item. Thanks for any help.

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• Newbie Question - How to use Gecko (or FF) with VB.net

  - by John

  Hi, I am having some problems trying to embed Gecko or Firefox into my VB.net application - specifically when running on Vista or Windows 7. Is this possible to do? Or should I look for a different alternative? Any links to documentation would be greatly appreciated. Thanks!

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• Python form POST using urllib2 (also question on saving/using cookies)

  - by morpheous

  I am trying to write a function to post form data and save returned cookie info in a file so that the next time the page is visited, the cookie information is sent to the server (i.e. normal browser behavior). I wrote this relatively easily in C++ using curlib, but have spent almost an entire day trying to write this in Python, using urllib2 - and still no success. This is what I have so far: import urllib, urllib2 import logging # the path and filename to save your cookies in COOKIEFILE = 'cookies.lwp' cj = None ClientCookie = None cookielib = None logger = logging.getLogger(__name__) # Let's see if cookielib is available try: import cookielib except ImportError: logger.debug('importing cookielib failed. Trying ClientCookie') try: import ClientCookie except ImportError: logger.debug('ClientCookie isn\'t available either') urlopen = urllib2.urlopen Request = urllib2.Request else: logger.debug('imported ClientCookie succesfully') urlopen = ClientCookie.urlopen Request = ClientCookie.Request cj = ClientCookie.LWPCookieJar() else: logger.debug('Successfully imported cookielib') urlopen = urllib2.urlopen Request = urllib2.Request # This is a subclass of FileCookieJar # that has useful load and save methods cj = cookielib.LWPCookieJar() login_params = {'name': 'anon', 'password': 'pass' } def login(theurl, login_params): init_cookies(); data = urllib.urlencode(login_params) txheaders = {'User-agent' : 'Mozilla/4.0 (compatible; MSIE 5.5; Windows NT)'} try: # create a request object req = Request(theurl, data, txheaders) # and open it to return a handle on the url handle = urlopen(req) except IOError, e: log.debug('Failed to open "%s".' % theurl) if hasattr(e, 'code'): log.debug('Failed with error code - %s.' % e.code) elif hasattr(e, 'reason'): log.debug("The error object has the following 'reason' attribute :"+e.reason) sys.exit() else: if cj is None: log.debug('We don\'t have a cookie library available - sorry.') else: print 'These are the cookies we have received so far :' for index, cookie in enumerate(cj): print index, ' : ', cookie # save the cookies again cj.save(COOKIEFILE) #return the data return handle.read() # FIXME: I need to fix this so that it takes into account any cookie data we may have stored def get_page(*args, **query): if len(args) != 1: raise ValueError( "post_page() takes exactly 1 argument (%d given)" % len(args) ) url = args[0] query = urllib.urlencode(list(query.iteritems())) if not url.endswith('/') and query: url += '/' if query: url += "?" + query resource = urllib.urlopen(url) logger.debug('GET url "%s" => "%s", code %d' % (url, resource.url, resource.code)) return resource.read() When I attempt to log in, I pass the correct username and pwd,. yet the login fails, and no cookie data is saved. My two questions are: can anyone see whats wrong with the login() function, and how may I fix it? how may I modify the get_page() function to make use of any cookie info I have saved ?

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• NIS password mapping question

  - by papoyan

  I have NIS server with user "techsupport", which has uid/gid = 517 I've configured NIS and NFS on that server, as well as NFS/NIS client on the remote web server. Now I need to techsupport user to be able to login to web server using techsupport username, but HAVE root privileges. I need this, so I can easily track, which support agent doing what on the web server. Everything works fine, when from NIS server, I ssh to the web server with tech support user nisserver# ssh [email protected] I can authenticate against the NIS server just fine, and my home directory that is on NIS server, get's mounted on web server just fine. The Only two problems I have are : my GID on web server is webserver# id uid=517(techsupport) gid=517(client_jonny) groups=517(client_jonny) (as you can see, that it picked up gid of a client that exists on the web server, since it's same number) I need to make sure, that my "techsupport" user has ROOT privileges. How can I achieve this? I remember that I've seen identical results elsewhere, but LDAP was used, is there a way to achieve this with NIS/NFS setup? Thank you in advance,

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• question about InnoDB deadlock in MySQL?

  - by WilliamLou

  I found this kind of interesting problem in MySQL InnoDB engine, could anyone explain why the engine always claim it's a deadlock. First, I created a table with a single row, single column: CREATE TABLE `SeqNum` (`current_seq_num` bigint(30) NOT NULL default '0', PRIMARY KEY (`current_seq_num`) ) ENGINE=InnoDB DEFAULT CHARSET=utf8 | Now, I have two MySQL connector threads, In thread1: mysql> begin; Query OK, 0 rows affected (0.00 sec) mysql> select `current_seq_num` into @curr_seq FROM SeqNum FOR UPDATE; Query OK, 1 row affected (0.00 sec) Now, in thread2, I did the exactly same: mysql> begin; Query OK, 0 rows affected (0.00 sec) mysql> select `current_seq_num` into @curr_seq FROM SeqNum FOR UPDATE; before the default innodb_lock_wait_timeout, the thread2 just wait for thread1 to release its exclusive lock on the table, and it's normal. However, in thread1, if I input the following update query: mysql> update SeqNum set `current_seq_num` = 8; ERROR 1213 (40001): Deadlock found when trying to get lock; try restarting transaction Now, thread2 get the select query finished because thread1 quits. In addition, in thread1, if I input the update query with a where clause, it can be executed very well: mysql> update SeqNum set `current_seq_num` = 8 where `current_seq_num` =5 Query OK, 1 row affected (0.00 sec) Could anyone explain this?

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• Question How to integrate SQL Server Express with VS C# Express

  - by paul

  I have just installed VS C# Express 2008 which includes SQL Server Express 2008. It all went ok and I can see VS C# and SQL Server in the list of installed products. When I start VS C# it looks fine but in the DB Explorer / Data Conection context menu the option 'Create new SQL Server Database' is disabled. I have uninstalled all VS products and reinstalled but the problem remains. Do I need to do anything else? Can anyone help? Thanks

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• Objective-C respondsToSelector question.

  - by Holli

  From what I have learned so far: In Objective-C you can send any message to any object. If the object does implement the right method it will be executed otherwise nothing will happen. This is because before the message is send Objective-C will perform respondsToSelector. I hope I am right so far. I did a little program for testing where an action is invoked every time a slider is moved. Also for testing I set the sender to NSButton but in fact it is an NSSlider. Now I asked the object if it will respond to setAlternateTitle. While a NSButton will do and NSSlider will not. If I run the code and do respondsToSelector myself it will tell me the object will not respond to that selector. If I test something else like intValue, it will respond. So my code is fine so far. - (IBAction)sliderDidMove:(id)sender { NSButton *slider = sender; BOOL responds = [slider respondsToSelector:@selector(setAlternateTitle)]; if(responds == YES) { NSLog(@"YES"); } else { NSLog(@"NO"); } [slider setAlternateTitle:@"Hello World"]; } But when I actually send the setAlternateTitle message the program will crash and I am not exactly sure why. Shouldn't it do a respondsToSelector before sending the message?

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• Public-facing SharePoint 2007 portal - authentication question

  - by jdcorr

  I am involved in developing a portal with a public-facing side. For this i created a web application with windows authentication for intranet zone and after that, I created an extension for an internet zone with fba. In the internet extension we have the following requirement: - able to acess to sharepoint backoffice using fba. - have a authentication mecanism for portal visitors, where they can authenticate and acess to a page where they can subscribe the newsletter and define some site appearance (this users can't acess to sharepoint backoffice). My idea is use the aspnet membership provider to authenticate both users and create diferente roles for them. Anyone suggests another approach? Is there any way to ensure that visitors (2 case) do not enter the backoffice portal? Thanks

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