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• Hide struct definition in static library.

  - by BobMcLaury

  Hi, I need to provide a C static library to the client and need to be able to make a struct definition unavailable. On top of that I need to be able to execute code before the main at library initialization using a global variable. Here's my code: private.h #ifndef PRIVATE_H #define PRIVATE_H typedef struct TEST test; #endif private.c (this should end up in a static library) #include "private.h" #include <stdio.h> struct TEST { TEST() { printf("Execute before main and have to be unavailable to the user.\n"); } int a; // Can be modified by the user int b; // Can be modified by the user int c; // Can be modified by the user } TEST; main.c test t; int main( void ) { t.a = 0; t.b = 0; t.c = 0; return 0; } Obviously this code doesn't work... but show what I need to do... Anybody knows how to make this work? I google quite a bit but can't find an answer, any help would be greatly appreciated. TIA!

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• Rebuilt website from static html to CMS need to redirect indexed links

  - by Michael Dunn

  I have rebuilt a website which was all created with static html pages, it has now been rebuilt using a CMS system. I need to find a way of redirecting all the existing links to there new corresponding pages which utilise friendly URL rewrites on the CMS based website I imagine there will be several hundred if not 1000s as i have pages and images linked from google. What is the most efficient way to complete this Thanks in advance Mike

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• Attaching a static library to an iphone/ipad application

  - by Jack

  Hello, which is the best approach to include a static library with into an application for iPhone or iPad? I could choose to compile the library supplying right platform and building a library file with the ar utility and then add as a framework to the project including the source of the library .c/.h and compile them together with the application The first approach seems simpler, because I won't care about managing all specific settings of the library I want to include but how can I create the library both for iPhone and iPad and allow xcode to use the right library upon linking? The second approach seems more complex since xcode will take care about compiling my application and the library (with different settings I suppose) then how should I go? I can easily add sources of the lib but I'll have to include the make scripts to allow xcode use them to build in the right way. Any suggestions about how to proceed? The library I'm trying to include is libssh. (I know that this library, of course, has already been compiled and tried succesfully on iPhone) Thanks in advance.

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• SQLAuthority News – Download Whitepaper – Enabling and Securing Data Entry with Analysis Services Writeback

  - by pinaldave

  SQL Server Analysis Service have many features which are commonly requested and many already exists in the system. Security Data Entry is very important feature and SSAS supports writeback feature.  Analysis Services is a tool for aggregating information and providing business users with the ability to analyze and support decision making in their business. By using the built-in writeback feature in Analysis Services, business users can also modify their data points to perform what-if analysis or supplement any existing data. The techniques described in this article derive from the author’s professional experience in the design and development of complex financial analysis applications used by various business groups in a large multinational company. Download Whitepaper Enabling and Securing Data Entry with Analysis Services Writeback. Reference: Pinal Dave (http://blog.SQLAuthority.com) Filed under: PostADay, SQL, SQL Authority, SQL Documentation, SQL Download, SQL Query, SQL Server, SQL Tips and Tricks, SQL White Papers, T SQL, Technology

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• Why some consider static analysis a testing and some do not?

  - by user970696

  Preparing myself also to ISTQB certification, I found they call static analysis actually as a static testing, while some engineering book distinct between static analysis and testing, which is the dynamic activity. I tent to think that static analysis is not a testing in the true sense as it does not test, it checks/verifies. But sure I would love to hear opinion of the true experts here. Thank you

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• Static pages for large photo album

  - by Phil P

  I'm looking for advice on software for managing a largish photo album for a website. 2000+ pictures, one-time drop (probably). I normally use MarginalHack's album, which does what I want: pre-generate thumbnails and HTML for the pictures, so I can serve without needing a dynamic run-time, so there's less attack surface to worry about. However, it doesn't handle pagination or the like, so it's unwieldy for this case. This is a one-time drop for pictures from a wedding, with a shared usercode/password for distribution to the guests; I don't wish to put the pictures in a third-party hosting environment. I don't wish to use PHP, simply because that's another run-time to worry about, I might relent and use something dynamic if it's Python or Perl based (as I can maintain things written in those). I currently have: Apache serving static files, Album-generated, some sub-directories to divide up the content to be a little more manageable. Something like Album but with pagination already handled would be great, but I'm willing to have something a little more dynamic, if it lets people comment or caption and store the extra data in something like an sqlite DB. I'd want something light-weight, not a full-blown CMS with security updates every three months. I don't want to upload pictures of other peoples' children into a third-party free service where I don't know what the revenue model is. (For my site: revenue is none, costs out of pocket). Existing server hosting is *nix, Apache, some WSGI. Client-side I have MacOS. Any advice?

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• central apache log analysis of many hosts

  - by Jason Antman

  We have 30+ apache httpd servers, and are looking to perform analysis on the logs both for historical trending and near "real time" monitoring/alerting. I'm mainly interested in things like error rates (4xx/5xx), response time, overall request rate, etc. but it would also be very useful to pull out more compute-intensive statistics like unique client IPs and user agents per unit of time. I'm leaning towards building this as a centralized collector/server/storage, and am also considering the possibility of storing non-apache logs (i.e. general syslog, firewall logs, etc.) in the same system. Obviously a large part of this will probably have to be custom (at least the connection between pieces and the parsing/analysis we do), but I haven't been able to find much information on people who have done stuff like this, at least at shops smaller than Google/Facebook/etc. who can throw their log data into a hundred-node compute cluster and run Map/Reduce on it. The main things I'm looking for are: - All open source - Some way of collecting logs from apache machines that isn't too resource-intensive, and transports them relatively quickly over the network - Some way of storing them (NoSQL? key-value store?) on the backend, for a given amount of time (and then rolling them up into historical averages) - In the middle of this, a way of graphing in near-real-time (probably also with some statistical analysis on it) and hopefully alerting off of those graphs. Any suggestions/pointers/ideas, to either "products"/projects or descriptions of how other people do this would be greatly helpful. Unfortunately, we're not exactly a new-age-y devops shop, lots of old stuff, homogeneous infrastructure, and strained boxes.

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• EPM Architecture: Reporting and Analysis

  - by Marc Schumacher

  Reporting and Analysis is the basis for all Oracle EPM reporting components. Through the Java based Reporting and Analysis web application deployed on WebLogic, it enables users to browse through reports for all kind of Oracle EPM reporting components. Typical users access the web application by browser through Oracle HTTP Server (OHS). Reporting and Analysis Web application talks to the Reporting and Analysis Agent using CORBA protocol on various ports. All communication to the repository databases (EPM System Registry and Reporting and Analysis database) from web and application layer is done using JDBC. As an additional data store, the Reporting and Analysis Agent uses the file system to lay down individual reports. While the reporting artifacts are stored on the file system, the folder structure and report based security information is stored in the relational database. The file system can be either local or remote (e.g. network share, network file system). If an external user directory is used, Reporting and Analysis services also communicate to this directory. The next post will cover WebAnalysis.

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• Which static electricity prevention tools do actually work?

  - by Boris_yo

  I need a device that would discharge static electricity from my body in order to safely work with electronics. I have looked and found some that interested me, but I don't know whether they work: Anti-Static Wrist Strap Anti-Static Release Discharger Keychain Anti-Dissipative Wrist Strap Anti-Static Rubber Finger Stalls Which of above mentioned actually do something? Do I also need and anti-static screw box? It has holes that screws get put in. Will I need magnetic screwdriver to pull screws out?

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• About shared (static) Members and its behavior

  - by Allende

  I just realized that I can access shared members from instances of classes (probably this is not correct, but compile and run), and also learn/discover that, I can modify shared members, then create a new instance and access the new value of the shared member. My question is, what happens to the shared members, when it comes back to the "default" value (class declaration), how dangerous is it do this ? is it totally bad ? is it valid in some cases ?. If you want to test my point here is the code (console project vb.net) that I used to test shared members, as you can see/compile/run, the shared member "x" of the class "Hello" has default value string "Default", but at runtime it changes it, and after creating a new object of that class, this object has the new value of the shared member. Module Module1 Public Class hello Public Shared x As String = "Default" Public Sub New() End Sub End Class Sub Main() Console.WriteLine("hello.x=" & hello.x) Dim obj As New hello() Console.WriteLine("obj.x=" & obj.x) obj.x = "Default shared memeber, modified in object" Console.WriteLine("obj.x=" & obj.x) hello.x = "Defaul shared member, modified in class" Console.WriteLine("hello.x=" & hello.x) Dim obj2 As New hello() Console.WriteLine("obj2.x=" & obj2.x) Console.ReadLine() End Sub End Module UPDATE: First at all, thanks to everyone, each answer give feedback, I suppose, by respect I should choose one as "the answer", I don't want to be offensive to anyone, so please don't take it so bad if I didn't choose you answer.

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• R and SPSS difference

  - by sfactor

  i will be analysing vast amount of network traffic related data shortly. i will pre-process the data in order to analyse it. i have found that R and SPSS are among the most popular tools for statistical analysis. i will also be generating quite a lot of graphs and charts. so i was wondering what is the basic difference between these two softwares. i am not asking which one is better. i just wanted to know what are the difference in terms of workflow between the two besides the fact that SPSS has a GUI. I will be mostly working with scripts in either case anyway so i wanted to know about the other differences.

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• Static Vs Non-Static Method Performance C#

  - by dotnetguts

  Hello All, I have few global methods declared in public class in my asp.net web application. I have habbit of declaring all global methods in public class in following format public static string MethodName(parameters) { } I want to know how it would impact on performance point of view? 1) Which one is Better? Static Method or Non-Static Method? 2) Reason why it is better? Following link shows Non-Static methods are good because, static methods are using locks to be Thread-safe. The always do internally a Monitor.Enter() and Monitor.exit() to ensure Thread-safety. http://bytes.com/topic/c-sharp/answers/231701-static-vs-non-static-function-performance And Following link shows Static Methods are good static methods are normally faster to invoke on the call stack than instance methods. There are several reasons for this in the C# programming language. Instance methods actually use the 'this' instance pointer as the first parameter, so an instance method will always have that overhead. Instance methods are also implemented with the callvirt instruction in the intermediate language, which imposes a slight overhead. Please note that changing your methods to static methods is unlikely to help much on ambitious performance goals, but it can help a tiny bit and possibly lead to further reductions. http://dotnetperls.com/static-method I am little confuse which one to use? Thanks

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• Persistent static route stops working after VPN drops and reconnects

  - by user76157

  I've got a VPN between two networks, one home and one office (A and B). Their subnets are: (A) 192.168.1.0 and (B) 192.168.0.0 The two networks have identical ADSL routers. Unfortunately these can only do dial-out VPN. So I've got a Windows 2008 server on Network B acting as a VPN server (ServerB). Network A's router (RouterA) passes through Network B's router and connects via PPTP to ServerB. RouterA is assigned the static IP 192.168.0.40 on Network B. There's a persistent static route on ServerB telling it to use 0.40 for all requests to Network A's subnet, 192.168.1.0. (route -p add 192.168.1.0 mask 255.255.255.0 192.168.0.40). This enables ServerB to ping all machines on A (and those machines to ping ServerB). The VPN connection occasionally drops (I'm not sure why - it's set to remain always on and seems to drop randomly). This wouldn't be too much of a problem, as it reconnects automatically and quickly, except that when it does reconnect, the static route on ServerB no longer works. Route print (on ServerB) shows that the persistent static route still exists. However a tracert to a machine on Network A doesn't use the static route; it tries instead to use ServerB's default gateway (which is RouterB), and fails to find the machine. Deleting and re-adding the static route fixes the problem - a tracert uses the static route. At the moment, a batch file to delete and re-add the static route is scheduled to run every day. But this is clearly far from an ideal solution! I hope that's not too confusing. Any help would be very much appreciated.

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• layout analysis of text based pdf without ocr

  - by fastrack

  Before recognizing a pdf, OCR software do document layout analysis to determine which parts are texts, tables or images, as shown in the picture below. ![papercrop]http://cache.gawkerassets.com/assets/images/17/2011/07/papercrop.jpg I want to use some parts of the text while leaving out the others. So having a software marking those zones comes in handy. Papercrop does a decent job, but it has a bug of now showing some of the text in the pdf file. And OCR software can also do layout analysis, marking out "zones" which I can add or delete. But you have to OCR to do that. Since my pdfs are already text based, I don't want to waste so much time OCRing. So my question is, is there any software that automatically mark out those zones and let me manually manipulate them, without having to OCR? Thanks! Waiting for your help.

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• Static noise in headphones

  - by John Murdoch

  I have a Asus P6T based system. I was using the on-board sound (plugging in Logitech X-230 2.1 analog speakers in the green "front speakers" 3.5mm analog output, then plugging in my headphones in that). I was quite happy with the sound quality (didn't hear any static noise if volume was turned down to my normal listening level). Then about a week ago I started having terrible static noise from the left channel, and no normal audio on that left channel. Right channel had more static noise than usual but did have a bit of sound. I tried using the AC'97 in front of my case but that seemed to have no signal. I decided my on-board sound card has gone bad and bought an internal sound card to replace it (Startech 7.1Ch PCI). This fixed the "no sound from left channel problem", but I had much more audible static noise. I decided the card was low quality and/or it had interference from all the other things happening inside the computer case, and bought a Sweex SC016 external USB sound card. But even with that I have static noise in headphones. Positioning the USB sound card differently doesn't seem to help. Trying the other analog outputs (e.g., surround) doesn't help. The static noise in all cases is proportional to the volume. I have tried different headphones, but the situation is situation though perhaps the flavour of the static noise changes slightly. So what are my options? a) Get another, more expensive, external USB sound card hoping the quality will improve? b) Get another, more expensive, internal sound card (PCIe 1x perhaps) hoping the quality will improve? c) Get a dedicated DAC box? d) Get some Hi-Fi earphones? Suggestions? tl;dr - Two different sound cards both still have static noise in headphones.

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• Is static universally "evil" for unit testing and if so why does resharper recommend it?

  - by Vaccano

  I have found that there are only 3 ways to unit test (mock/stub) dependencies that are static in C#.NET: Moles TypeMock JustMock Given that two of these are not free and one has not hit release 1.0, mocking static stuff is not too easy. Does that make static methods and such "evil" (in the unit testing sense)? And if so, why does resharper want me to make anything that can be static, static? (Assuming resharper is not also "evil".) Clarification: I am talking about the scenario when you want to unit test a method and that method calls a static method in a different unit/class. By most definitions of unit testing, if you just let the method under test call the static method in the other unit/class then you are not unit testing, you are integration testing. (Useful, but not a unit test.)

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• Write to static field - is FindBugs wrong in this case?

  - by htorque

  I have a Java class like this: public class Foo { public static int counter = 0; public void bar(int counter) { Foo.counter = counter; } } FindBugs warns me about writing to the static field counter via the instance method bar. However, if I change the code to: public class Foo { public static int counter = 0; public static void setCounter(int counter) { Foo.counter = counter; } public void bar(int counter) { setCounter(counter); } } Then FindBugs won't complain. Isn't that wrong? I'm still writing to a static field from an instance method, just via a static method - no?

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• Static IP settings on Windows 2003 server not getting saved

  - by Prashant Mandhare

  We have a Dell PowerEgde 1950 server with Broadcom NetXtreme gigabit ethernet card, and we are facing a strange problem with static IP assignment. When we assign a static IP to this broadcom NIC, settings are not getting saved. Following are the steps to reproduce problem open TCP/IP properties window for broadcom NIC manually enter static IP address and other details like gateway, DNS, etc. apply and close properties dialog. re-open TCP/IP properties windows, you will see your static IP settings lost and changed to "obtain IP address manually" but when checked using ipconfig command, you will still see your same static IP settings but, when checked using ipconfig command after rebooting server, these static ip settings are completely gone and automatically obtained IP is assigned Supplementary information: Recently we had formatted this server and installed windows 2003 from OEM windows setup CD (not from OS installation CD received from Dell). After windows installation was over, broadcom NIC drivers were installed.

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• How to transition to Comcast with static IP address

  - by steveha

  I have my own email server in my house, on a static IP address. I have had business DSL for over a decade, but I also now have Comcast business Internet. I want to transition from the DSL to the Comcast, and I have some questions. I have a domain name, my own mail server, and a firewall (a PC with two network interfaces, running Devil-Linux). I need to make sure I understand how to set up the Comcast cable box, and how to set up my firewall. First, do I need to change any settings in the cable box? Currently I have only used the cable box by plugging in a laptop, with the laptop doing DHCP. I think I can leave the box alone but I would like to make sure. Second, I'm not sure I understand the instructions Comcast gave me for setting up the firewall. My DSL provider gave me the following information: static IP address, net mask, gateway, and two DNS servers. Comcast gave me: static IP address, routable static IP address, net mask, and two DNS servers, and told me to put the "static IP address" as the "gateway" on the firewall. Is this just Comcast-speak here? Does "routable static IP address" mean the same thing as "static IP address" in my DSL setup, the end-point address that I should publish in the DNS MX records for my email server? Or should I publish the "static IP address", and Comcast will then route all its traffic over the cable box? My plan is: first, I'm going to configure another firewall, so I have one firewall for the DSL and one for the Comcast (rather than madly editing settings to switch back and forth). Then I will publish the new Comcast static IP address as a backup email server address in the DNS MX records, wait a while to let it propagate, and then switch my home over from the DSL to the Comcast. Then I'll change DNS to make that the primary mail address and the DSL the secondary, let that go a while and make sure it seems reliable. Then I'll remove the DSL from the DNS MX records completely, and finally shut down the DSL service. (I thought about keeping the DSL as a backup, but the reason I'm leaving DSL is that it has become unreliable; and I have heard that Comcast business Internet is reliable.) Final question, any advice for me? Anything you think might be useful, helpful, or educational. Thanks.

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• How to transition to Comcast with static IP address [migrated]

  - by steveha

  I have my own email server in my house, on a static IP address. I have had business DSL for over a decade, but I also now have Comcast business Internet. I want to transition from the DSL to the Comcast, and I have some questions. I have a domain name, my own mail server, and a firewall (a PC with two network interfaces, running Devil-Linux). I need to make sure I understand how to set up the Comcast cable box, and how to set up my firewall. First, do I need to change any settings in the cable box? Currently I have only used the cable box by plugging in a laptop, with the laptop doing DHCP. I think I can leave the box alone but I would like to make sure. Second, I'm not sure I understand the instructions Comcast gave me for setting up the firewall. My DSL provider gave me the following information: static IP address, net mask, gateway, and two DNS servers. Comcast gave me: static IP address, routable static IP address, net mask, and two DNS servers, and told me to put the "static IP address" as the "gateway" on the firewall. Is this just Comcast-speak here? Does "routable static IP address" mean the same thing as "static IP address" in my DSL setup, the end-point address that I should publish in the DNS MX records for my email server? Or should I publish the "static IP address", and Comcast will then route all its traffic over the cable box? My plan is: first, I'm going to configure another firewall, so I have one firewall for the DSL and one for the Comcast (rather than madly editing settings to switch back and forth). Then I will publish the new Comcast static IP address as a backup email server address in the DNS MX records, wait a while to let it propagate, and then switch my home over from the DSL to the Comcast. Then I'll change DNS to make that the primary mail address and the DSL the secondary, let that go a while and make sure it seems reliable. Then I'll remove the DSL from the DNS MX records completely, and finally shut down the DSL service. (I thought about keeping the DSL as a backup, but the reason I'm leaving DSL is that it has become unreliable; and I have heard that Comcast business Internet is reliable.) Final question, any advice for me? Anything you think might be useful, helpful, or educational. Thanks.

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• Draytek Vigor 2820 static IP's

  - by dannymcc

  I have a Draytek Vigor 2820 router which is connected to our ADSL provider (British Telecom, BT). We currently have one static IP address which is accessible from anywhere outside of our network and points at a simple web server on port 80. We have just been given 5 more static IP addresses which I would like to point at five servers that have static IP's. As an example: Current static IP - 80.123.123.123 New Static IP's - 100.100.100.100-105 Server IP's - 192.168.1.129-133 I have confused myself completely between NAT addresses, static routes and WAN IP aliases. If anyone can give me a clear idea of what I need to do it would be greatly appreciated.

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• Creating a seperate static content site for IIS7 and MVC

  - by JK01

  With reference to this serverfault blog post: A Few Speed Improvements where it talks about how static content for stackexchange is served from a separate cookieless domain... How would someone go about doing this on IIS7.5 for a ASP.NET MVC site? The plan so far: Register domain eg static.com, create a new website in IIS Manually copy the js / css / images folders from MVC as is so that they have the same paths on the new server Enable IIS gzip settings (js/css = high compression, images = none) Set caching with far future expiry dates <clientCache cacheControlCustom="public" /> in the web.config Never set any cookies on the static.com site Combine and minimize js / css Auto deploy changes in static content with WebDeploy Is this plan correct? And how can you use WebDeploy to deploy the whole web app to one server and then only the static items to another? I can see there is a similar question, but for apache: Creating a cookie-free domain to serve static content so it doesn't apply

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• Static classes and/or singletons -- How many does it take to become a code smell?

  - by Earlz

  In my projects I use quite a lot of static classes. These are usually classes that naturally seem to fit into a single-instance type of thing. Many times I use static classes and recently I've started using some singletons. How many of these does it take to become a code smell? For instance, in my recent project which has a lot of static classes is an Authentication library for ASP.Net. I use a static class for a helper class that fixes ASP.Net error codes so it can be used like CustomErrorsFixer.Fix(Context); Or my authentication class itself is a static class //in global.asax's begin_application Authentication.SomeState="blah"; Authentication.SomeOption=true; //etc //in global.asax's begin_request Authentication.Authenticate(); When are static or singleton classes bad to use? Am I doing it wrong, or am I just in a project that by definition has very little per-instance state associated with it? The only per-instance state I have is stored in HttpContext.Current.Items like so: /// <summary> /// The current user logged in for the HTTP request. If there is not a user logged in, this will be null. /// </summary> public static UserData CurrentUser{ get{ return HttpContext.Current.Items["fscauth_currentuser"] as UserData; //use HttpContext.Current as a little place to persist static data for this request } private set{ HttpContext.Current.Items["fscauth_currentuser"]=value; } }

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• Test a site with a static subdomain locally

  - by bcmcfc

  How can I test a site that uses one or more static domains for serving images locally? e.g. domain.tld with images servered from static.domain.tld Local working copy of the site on WAMP checked out from SVN: URLs will be pointing at static.domain.tld rather than static.domain.local

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• Excel price function not working despite adding the analysis tool pack

  - by Kaiser Advisor

  Hi Everyone, I am trying to price bonds using the Excel function, PRICE(..), but the function isn't working. The intelisense doesn't come up, and I get the #NAME? error. The help file says to install the analysis tool pack, but this doesn't resolve the problem. I have Office 2003 for XP. thanks!

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