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• Access .ldb file & multiple connection.

  - by bMathew

  I have an API which opens an access database for read and write. The API opens the connection when it's constructed and closes the connection when it's destructed. When the db is opened an .ldb file is created and when it closes it's removed (or disappears). There are multiple applications using the API to read and write to the access db. I want to know: Is ldb file used to track multiple connections Does calling an db.close() closes all connections or just one instance. Will there be any sync issues with the above approach.

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• What's some simple F# code that generates the .tail IL instruction?

  - by kld2010

  I'd like to see the .tail IL instruction, but the simple recursive functions using tail calls that I've been writing are apparently optimized into loops. I'm actually guessing on this, as I'm not entirely sure what a loop looks like in Reflector. I definitely don't see any .tail opcodes though. I have "Generate tail calls" checked in my project's properties. I've also tried both Debug and Release builds in Reflector. The code I used is from Programming F# by Chris Smith, page 190: let factorial x = // Keep track of both x and an accumulator value (acc) let rec tailRecursiveFactorial x acc = if x <= 1 then acc else tailRecursiveFactorial (x - 1) (acc * x) tailRecursiveFactorial x 1 Can anyone suggest some simple F# code which will indeed generate .tail?

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• Would popup blockers stop a URL which pops up only when the user clicked on something?

  - by tomeaton

  I'm currently building a web application that can can track a users actions on a particular website and pop a URL if the user takes certain actions, such as: first click, responding to a question by clicking yes / no, clicking a submit button, or exiting the site. It is important that these URLs are served to the user and are not blocked by pop-up blockers. It is my understanding that there are certain exceptions within the major internet browsers that allow pop-ups if they are served based on some user action, rather than serving an unsolicited pop? Is this true? How do I design this web application so that it can serve these pops (and not have them blocked).

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• UITextField in UITableViewCell Help

  - by W Dyson

  Hello All, I have scoured the internet looking for a good tutorial or posting about having a UITableView populated with a UITextField in each cell for data entry. I want to keep track of each UITextField and the text written within it while scrolling. The tableView will be sectioned. I have been using a custom UITableViewCell but I'm open to any method. Also, is it possible to use the textFields as ivars? If any of you could point me in the right direction, it would be greatly appreciated. Thank you in advance!

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• php web based portal authentication through IP.

  - by user434885

  i have a web portal running which involves basic data entry. The issue being that this is highly sensitive data. And the credibility of the data entry personel is very low. Therefore i have implemented recording of IP when an entry is made. The Problem i am facing is if this if this person starts forwarding his IP from a proxy server then i am unable to track authenticity of the data. How do i detect if the IP forwarding is happening/ get the real ip address of the person.

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• Beside SVN, how do you manage your development vs test vs production source code?

  - by medopal

  I'm working on a very large project with three phases of source code. Development source code: changes rapidly every second, and checked by our QA Test environment code: released to clients' QA department (released every 2-3 weeks) Production environment: after confirmed ok by client QA its released to prod. (every few months) The system (governmental web app) is very large to track changes,bugs and hot fixes, sometimes the Testers could ask for a change, some other times the Production could ask for a hot fix or small update. The problem is, when the Test or Production request changes, the development code is already changed a lot, and they always warn us they want only that small fix, do not upload anything new with it. The question, how should i manage the code for the 3 phases, and get back to Test or Production code any tie and fix that small one thing (reflecting the change to the current Development as well)? Note: making a branch each time is too much, and i don't want the developers to be lost between updating the mainstream, the branch and the Test code!

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• Site works perfect in Mozilla but not in IE. Is my js file not compatible with IE

  - by Bonkers

  I'm working on a site written in PHP/MySQL. We have a form to reserve time on a calendar and it works great in Mozilla and stores the reservation to our database, but in IE you fill out the form and when you click the "Reserve" button to submit it and nothing happens. All I can think of is that my javascript is not working with IE. I have these lines in my .js file: resLenT = document.getElementById(resLenElem); resLenI = resLenT.selectedIndex; resLen = resLenI + 1; where resLenElem is a drop-down box. These are the only lines that I can think of at the moment that might be causing trouble in IE. Does this all sound like I'm on the right track or am I way off base?

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• WPF/C# - Sometimes my dropdowns/datepickers will stop functioning?

  - by BlargINC

  Q: Where should I check to track this down? Issue: Opening a view model in my application sometimes makes dropdowns/datepickers nonfunctional. ie. dropdown won't drop and the datepicker calendar won't come up I suspect a binding issue but don't see one. Dropdowns have normal things like strings, numbers. One drop has a list of mini views. Datepickers are bound to nullable dates set in the constructor of the viewmodel. Note: These same things work in other viewmodels/views. I can paste code, I'm just not sure what code is relevant here. Thank you for helping me :)

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• Sometimes my dropdowns/datepickers will stop functioning?

  - by BlargINC

  Q: Where should I check to track this down? Issue: Opening a view model in my application sometimes makes dropdowns/datepickers nonfunctional. ie. dropdown won't drop and the datepicker calendar won't come up I suspect a binding issue but don't see one. Dropdowns have normal things like strings, numbers. One drop has a list of mini views. Datepickers are bound to nullable dates set in the constructor of the viewmodel. Note: These same things work in other viewmodels/views. I can paste code, I'm just not sure what code is relevant here.

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• What Design Pattern To Replace 'CurrentStep' Variable

  - by Rob P.

  Tried to search but didn't know how to phrase it. I've got some code that is essentially... Private CurMajorStep as Integer = 0 Private CurMinorStep as Integer = 0 Public Sub PerformNextStep() Select Case iMajorStep Case 0 ThingOne() Case 1 ThingTwo() Case 2 ThingThree() Case 3 ThingFour() Case 4 AnythingElse() Case 5 Finish() End Select End Sub And then, in some of those, the CurMinorStep keeps track of the current state of that particular 'step'. I hope that all makes sense. The code is messy and I know it's going to be problematic to maintain. Can someone point me to a clean OO pattern to handle this?

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• How can i add Active Directory security groups to a SharePoint site to control permissions, rather than individual user accounts

  - by user574811

  SharePoint does integrate active directory accounts, of course, but how about security groups? Have a few sites where I'm fairly confident access is going through an existing Active Directory (AD) security groups (i.e. only an AD security group has been granted permissions through the 'People and Groups') In another situation, where I created the AD group and granted it permissions to a site, the customers were not able to access immediately. Eventually had to fast-track it and add the individuals to the People and Groups to keep the project going, but hoping not to have to maintain it that way. Any specific requirements of the security group in AD? Universal, Global, or domain local? Is there any time delay between modifying group members in AD and having that take effect in SharePoint?

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• Polymorphism in Rails

  - by Newy

  Say I have two models, Apples and Oranges, and they are both associated with a description in a Text model. Text is a separate class as I'd like to keep track of the different revisions. Is the following correct? Is there a better way to do this? [Apple] has_one :text, :as => :targit, :order => 'id DESC' has_many :revisions, :class_name => 'Text', :as => :targit, :order => 'id', :dependent => :destroy [Text] belongs_to :targit, :polymorphic => true

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• Determining where a function is defined in C#?

  - by templatetypedef

  Hey all - I am a complete novice at C# (I've never used it before) and recently needed to look over some code written in it. I spent the longest time trying to track down a nonexistent method in a class that didn't seem to be defined anywhere in the class that was using it. I later found out it was an "extension method," which I gather is a method grafted onto another class by some source. I completely understand the rationale behind this language feature and actually think it's quite nice. However, as someone without much experience in the language, it makes it harder to look up unfamiliar methods, since the method in question could be defined anywhere. My question is this: given an unfamiliar method call in C#, what's the best way for me to look up more info on it, given that it could be an extension method defined in an entirely separate class? Thanks!

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• Eclipse 3.5 (Cocoa) slowing down irregularly after some time

  - by chris_l

  Hi, I'd like to hear, if anyone else encounters the same problems, and doesn't use Google's GWT (2.0) plugins: Sometimes, my Eclipse 3.5 (Cocoa) slows down after some time of usage (=30 minutes), so that things like maximizing an editor or moving the splitters becomes unbearably slow (reacting only after several seconds). After an Eclipse restart, everything's fine again. I'm not running low on memory (neither free RAM, nor memory available to Eclipse - Heap/Stack/PermGenSpace), and my system specs are not too bad. I know exactly one other person so far, who sees the same problem - but he also uses the GWT plugins. Since these issues appear irregularly, they're hard to track. Before creating an issue on the GWT bug tracker, I'd like to find out, if this also happens for somebody without Google's plugins. Thanks, Chris Edit: I'm running Snow Leopard 10.6.2

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• discrepancy in google analytics pageview totals when tracking subdomains

  - by frabjousB

  We are using the old urchin.js and are tracking 2 subdomains under the same profile. We have a “track subdomains” advanced filter defined (as per http://www.google.com/support/googleanalytics/bin/answer.py?hl=en&answer=55524) as well as 2 segments for presenting data in the reports: hostname matches exactly subdomain1.domain-name.com and hostname matches exactly subdomain2.domain-name.com When I apply these segments to our Top Content Overview report, the All Visits total for PageViews does not correspond to the # of visits reported for each subdomain. For example: All Visits = 53 subdomain1 = 24 subdomain2 = 32 Is there any reason as to why we would be seeing this discrepancy in numbers?

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• [CakePHP] How to add some action after login (and before redirection)?

  - by user198003

  hello, trying to develop some sort of login tracker for my cakephp application. i know that i need code like: $this->data['LoginSession']['username'] = $_SERVER['REMOTE_ADDR']; $this->data['LoginSession']['ipAddress'] = $_SERVER['REMOTE_ADDR']; $this->LoginSession->save($this->data); ... in (i guess) users_controller, but don't know exactly where. also i would like to track successful, but also unsuccessful logins. can you help me with this please? thank you in advance!

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• Elegant ways of displaying a GridView with lots of columns (ASP.NET)

  - by Chris

  Hi, just a general design question that I'd like to hear some of your opinions on. I am designing a system for a client, and I'm using GridView' a lot. They need a lot of columns to be displayed in some of these, and I've had to resort to using a panel with a horizontal scrollbar. This presents some issues - keeping track of which row is which is difficult, even with alternating row colours, and it's generally pretty ugly. How have you dealt with these issues before? Are there any sort of AJAX controls that could help, so some data could be only displayed on hover or such? Or any other general ideas.

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• WordPress 2.9.2 htaccess curruption issue strikes again (in Patched site)

  - by Scott B

  The htaccess file below crashed the site with an internal server error (500). This site has the misc.php patch that's discussed here: Wordpress Bug #11903 Apparently something else is at play here or the patch is not fully addressing the issue. 3 sites went down yesterday. 2 today (so far). All sites have the patch file that's referenced in the bug track link above. AuthName mysite.net AuthUserFile /home/mysite/public_html/_vti_pvt/service.pwd AuthGroupFile /home/mysite/public_html/_vti_pvt/service.grp Options All -Indexes # BEGIN WordPress # BEGIN WordPress root <IfModule mod_rewrite.c> RewriteEngine On RewriteBase / RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d RewriteRule . /index.php [L] </IfModule> # END WordPress root dule mod_rewrite.c> RewriteEngine On RewriteBase / RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d RewriteRule . /index.php [L] </IfModule> # END WordPress root

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• Uninterrupted mp3 play on a website?

  - by Kevin

  Client is requesting a single track to be heard across the website. Generally I advise against it, but they insist. So, what is the most straightforward way of having a flash player embedded in a site, and when a user goes to another page there isn't a gap/interruption? I am thinking an iframe is required.. I am using a flash player that has autoresume, but that only solves picking up where you last left off on the song before going to another page. I tried searching SO for an answer..

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• Tracking Useful Information

  - by Steve M

  What do the clever programmers here do to keep track of handy programming tricks and useful information they pick up over their many years of experience? Things like useful compiler arguments, IDE short-cuts, clever code snippets, etc. I sometimes find myself frustrated when looking up something that I used to know a year or two ago. My IE favourites probably represent a good chunk of the Internet in the late 1990s, so clearly that isn't effective (at least for me). Or am I just getting old? So.. what do you do?

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• Count of Distinct Int32 Values in .NET

  - by Eric J.

  I am receiving a stream of unordered Int32 values and need to track the count of distinct values that I receive. My thought is to add the Int32 values into a HashSet<Int32>. Duplicate entries will simply not be added per the behavior of HashSet. Do I understand correctly that set membership is based on GetHashCode() and that the hash code of an Int32 is the number itself? Is there an approach that is either more CPU or more memory efficient? UPDATE The data stream is rather large. Simply using Linq to iterate the stream to get the distinct count is not what I'm after, since that would involve iterating the stream a second time.

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• How to play an mp3 using fancybox

  - by user2980783

  I am adding fancybox to my page and to display different types of formats. I was able to implement video, text, and images seamlessly but when it doesn't load the audio. Once I click on the audio file on the gallery it opens on a blank page. I am trying to play the track as iframe if possible. Can anyone help with this. Thank you. <a class="hover-wrap" data-fancybox-type="iframe" data-fancybox-group="music" title="Breathin'" href="_include/download/Breathin'.mp3"> <span class="overlay-img"></span> <span class="overlay-img-thumb font-icon-plus"></span> <p class="description"> <span class="title">Song</span> </p> </a>

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• Get size of jar file loaded by urlclassloader

  - by Aliya

  Does anybody know a good way to find the file size that is dynamically loaded by urlclassloader? I am using the urlclassloader in the following manner, but need to keep track of how much bandwidth is being used. URLClassLoader sysloader = (URLClassLoader) ClassLoader .getSystemClassLoader(); Class<URLClassLoader> sysclass = URLClassLoader.class; Method method = sysclass.getDeclaredMethod("addURL", parameters); method.setAccessible(true); method.invoke(sysloader, (Object[]) urls); Thanks in advance!

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• Select photo while keep the order

  - by wong2

  I have a list of photo on the page, each have an unique id, user can click on them to toggle select the photo, when they click the submit button, I need to send the array of selected photo ids to the back end, in the order that the photo was selected. I think that the fastest way to track if a photo is selected is to use an object that use photo id as key, like: var selected = { "6272861": true, "6272888": true } when the user unselect a photo, I just need to delete selected["6272861"]. But this will ignore the order, if I use an array to keep the selected photos: var selected = ["6272861", "6272888"]; then when I need to unselect a photo, I have to loop through the array and delete the item. Is there better ways? thanks.

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• How can I write my code to attempt a database action but continue executing code on failure?

  - by Chris

  Simple question I guess, I want to use PHP to write an update to an existing row in my database, if it doesn't happen I want to log the failure but continue executing the code. While it would be nice to have records of failures to track down issues, that the update failed isn't that important to my user, nor will it affect the running of any other code; the query is simply for a 'cosmetic' but entirely unnecessary piece of information. My database class's query function is set to die on failure, could I modify that or is there another way of doing it without altering my standard query code?

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