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  • Could anyone tell me something about Scheme Common-Lisp and FASL File.

    - by Joe
    Does anyone could tell something about these file? As I know: 1. Common-Lisp and Scheme are both some lisp programming langue. 2. common-Lisp source file *.lisp can be compiled into binary file *.fasl which can be load faster than the source file. Q:Can the Scheme source code *.scm be compiled into some binary file that will be load faster than the source code? Thanks in advance joe

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  • Variable number of two-dimensional arrays into one big array

    - by qlb
    I have a variable number of two-dimensional arrays. The first dimension is variable, the second dimension is constant. i.e.: Object[][] array0 = { {"tim", "sanchez", 34, 175.5, "bla", "blub", "[email protected]"}, {"alice", "smith", 42, 160.0, "la", "bub", "[email protected]"}, ... }; Object[][] array1 = { {"john", "sdfs", 34, 15.5, "a", "bl", "[email protected]"}, {"joe", "smith", 42, 16.0, "a", "bub", "[email protected]"}, ... }; ... Object[][] arrayi = ... I'm generating these arrays with a for-loop: for (int i = 0; i < filter.length; i++) { MyClass c = new MyClass(filter[i]); //data = c.getData(); } Where "filter" is another array which is filled with information that tells "MyClass" how to fill the arrays. "getData()" gives back one of the i number of arrays. Now I just need to have everything in one big two dimensional array. i.e.: Object[][] arrayComplete = { {"tim", "sanchez", 34, 175.5, "bla", "blub", "[email protected]"}, {"alice", "smith", 42, 160.0, "la", "bub", "[email protected]"}, ... {"john", "sdfs", 34, 15.5, "a", "bl", "[email protected]"}, {"joe", "smith", 42, 16.0, "a", "bub", "[email protected]"}, ... ... }; In the end, I need a 2D array to feed my Swing TableModel. Any idea on how to accomplish this? It's blowing my mind right now.

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  • iOS 6 in-app email does not send from within any app that supports it

    - by Joe Termine
    A strange problem -- Last night I upgraded to the final release of iOS 6 on my iPhone 4S and my iPad 2. When I open an app that allows you to send emails from within the app (e.g. adobe Reader, TurboScan, etc.) -- doesn't matter which one -- I am prompted with the email dialog from within the app, I can compose the message, but when I go to send one of two things will happen: either the email sending sound will "swoosh" and the dialog will close (leading me to think it worked) or some apps with good error handling will say there is an "error sending email." The error logs on my device are not reporting errors. It's just that the email doesn't really send. I have two Exchange mail boxes on these devices. One connects to a corporate network hosting on-premise exchange 2007 and the other connects to Gmail over the exchange interface. Have attempted to delete and re-pair these accounts (one at a time) without any change. I'm wondering if others are experiencing this problem, or whether I should just wipe the devices and chalk it up to (another) failed upgrade. Thoughts much appreciated. Joe

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  • Aggregate survey results recursively by manager

    - by Ian Roke
    I have a StaffLookup table which looks like this. UserSrn | UserName | ManagerSrn =============================== ABC1 | Jerome | NULL ABC2 | Joe | ABC1 ABC3 | Paul | ABC2 ABC4 | Jack | ABC3 ABC5 | Daniel | ABC3 ABC6 | David | ABC2 ABC7 | Ian | ABC6 ABC8 | Helen | ABC6 The staff structure looks like this. |- Jerome | |- Joe || ||- Paul ||| |||- Jack ||| |||- Daniel || ||- David ||| |||- Ian ||| |||- Helen I have a list of SurveyResponses that looks like this. UserSrn | QuestionId | ResponseScore ==================================== ABC2 | 1 | 5 ABC2 | 3 | 4 ABC4 | 16 | 3 ... What I am trying to do sounds pretty simple but I am struggling to find a neat, quick way of doing it. I want to create a sproc that takes an Srn and returns back all the staff under that Srn in the structure. If there is a score for QuestionId of 16 then that indicates a completed survey. I would like to return a line for the Srn entered (The top manager) with a count of completed surveys for the direct reports under that manager. Under that I would like each manager under the original manager with a count of completed surveys for each of their direct reports and so on. I would like to see the data as such below when I set the top manager to be Joe (ABC2). UserName | Completed | Total ============================ Joe | 2 | 2 Paul | 1 | 2 David | 0 | 2 TOTAL | 3 | 6

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  • Problems with Vista loading a temporary user profile.

    - by Joe
    I'm having a problem in Vista. My machine has four users, one for each of us in the house. Whenever a user logs in before me, they log out, and then I log in, Vista loads a temporary profile for me. However, if I restart and log in, I get into my profile no problem. Two errors are written to the event log (see below), and I've searched everywhere for solutions. 1: Windows was unable to load the registry. The problem is often caused by insuff. memory or insuff. security rights. DETAIL - The process cannot access the file because it is being used by another process. for C:\users\joe\ntuser.dat I've got plenty of disk space and memory. 2:Windows cannot load the locally stored profile. Possible causes of this error include isufficient security rights or a corrupt local profile. DETAIL - The process cannot access the file because it is being used by another process. Thanks!

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  • Backing up Excel Files to a different Directory

    - by Joe Taylor
    In Excel 2007 in the Save As box there is an option to 'Create a Backup' which simply backs up the file whenever it is saved. Unfortunately it backs up the file to the same directory as the original. Is there a simple way to change this directory to another drive / folder? I have messed about with macros to do this, coming up with: Private Sub Workbook_BeforeClose(Cancel As Boolean) 'Private Sub Workbook_BeforeSave(ByVal SaveAsUI As Boolean, Cancel As Boolean) 'Saves the current file to a backup folder and the default folder 'Note that any backup is overwritten Application.DisplayAlerts = False ActiveWorkbook.SaveCopyAs Filename:="T:\TEC_SERV\Backup file folder - DO NOT DELETE\" & _ ActiveWorkbook.Name ActiveWorkbook.Save Application.DisplayAlerts = True End Sub This creates a backup of the file ok the first time, however if this is tried again I get: Run-Time Error '1004'; Microsoft Office Excel cannot access the file 'T:\TEC_SERV\Backup file folder - DO NOT DELETE\Test Macro Sheet.xlsm. There are several possible reasons: The file name or path does not exist The file is being used by another program The workbook you are trying to save has the same name as a... I know the path is correct, I also know that the file is not open anywhere else. The workbook has the same name as the one I'm trying to save over but it should just overwrite. I have posted the question about the coding on Stack Overflow but wondered if there is an easier way to do this. Any help would be much appreciated. Joe

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  • Linked List Sorting with Strings In C

    - by user308583
    I have a struct, with a Name and a single Node called nextName It's a Singly Linked list, and my task is to create the list, based on alphabetical order of the strings. So iff i enter Joe Zolt and Arthur i should get my list structured as Joe Than Joe Zolt Than Arthur Joe Zolt I'm having trouble implementing the correct Algorithm, which would put the pointers in the right order. This is What I have as of Now. Temp would be the name the user just entered and is trying to put into the list, namebox is just a copy of my root, being the whole list if(temp != NULL) { struct node* namebox = root; while (namebox!=NULL && (strcmp((namebox)->name,temp->name) <= 0)) { namebox = namebox->nextName; printf("here"); } temp->nextName = namebox; namebox = temp; root = namebox; This Works right now, if i enter names like CCC BBB than AAA I Get Back AAA BBB CCC when i print But if i put AAA BBB CCC , When i print i only get CCC, it cuts the previous off.

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  • Nginx: Serve static files out of a given directory - one level too deep

    - by Joe J
    I'm pretty new to nginx configs. I'm having some difficulty with a pretty basic problem. I'd like to host some static files at /doc (index.html, some images, etc). The files are located in a directory called /sites/mysite/proj/doc/. The problem is, is that with the nginx config below, nginx tries to look for a directory called "/sites/mysite/proj/doc/doc". Perhaps this can be fixed by setting the root to /sites/mysite/proj/, but I don't want to potentially expose other (non-static) assets in the proj/ directory. And for various reasons, I can't really move the doc/ directory from where it is. I think there is a way to use a Rewrite rule to solve this situation, but I don't really understand all the parts, so having some difficulty formulating the rule. rewrite ^/doc/(.*)$ /$1 permanent; I've also included a working example of hosting files out of a /sites/mysite/htdocs/static/ directory. > vim locations.conf location /static { root /sites/mysite/htdocs/; access_log off; autoindex on; } location /doc { root /sites/mysite/proj/doc/; access_log on; autoindex on; } 2011/11/19 23:49:00 [error] 2314#0: *42 open() "/sites/mysite/proj/doc/doc" failed (2: No such file or directory), client: 100.100.100.100, server: , request: "GET /doc HTTP/1.1", host: "myhost.com" Does anyone have any ideas how I might go about serving this static content? Any help is much appreciated. Thanks, Joe

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  • Setting routes in application.ini in Zend Framework

    - by Paul Watson
    I'm a Zend Framework newbie, and I'm trying to work out how to add another route to my application.ini file. I currently have my routes set up as follows: resources.router.routes.artists.route = /artists/:stub resources.router.routes.artists.defaults.controller = artists resources.router.routes.artists.defaults.action = display ...so that /artists/joe-bloggs uses the "display" action of the "artists" controller to dipslay the profile the artist in question - that works fine. What I want to do now is to set up another route so that /artists/joe-bloggs/random-gallery-name goes to the "galleries" action of the "artists" controller. I tried adding an additional block to the application.ini file (beneath the block above) like so: resources.router.routes.artists.route = /artists/:stub/:gallery resources.router.routes.artists.defaults.controller = artists resources.router.routes.artists.defaults.action = galleries ...but when I do that the page at /artists/joe-bloggs no longer works (Zend tries to route it to the "joe-bloggs" controller). How do I set up the routes in application.ini so that I can change the action of the "artists" controller depending on whether "/:gallery" exists? I realise I'm probably making a really stupid mistake, so please point out my stupidity and set me on the right path (no pun intended).

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  • How to configure Users permissions in Windows Server 2008 R2 by command line?

    - by Répás
    I have to create about 800 users in our Windows S 2008 R2 and I'd like to make a few settings with them. Create user: net user Joe 1mb4pASs /add /fullname:"John Smith" /passwordchg:no /comment:"no comment" Set never expired password: wmic useraccount where "Name='Joe'" set PasswordExpires=FALSE Add the user to two groups (like in the Members Of tab in the GUI) Remote Desktop Users (I translated it from hungarian, because the server) Terminal Services - Computers to enable the use of applications via webaccess Step 3 is where I'm having problems. What command(s) should I use for this?

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  • /usr/bin/env: ruby1.8: No such file or directory

    - by sandstrom
    Problem Trying to setup CI Joe (https://github.com/defunkt/cijoe) and I get the following error: /usr/bin/env: ruby1.8: No such file or directory What I'm doing CI Joe is run as www-data, and the command I'm running is RAILS_ENV=test bundle exec rake -s test When I log in as www-data (sudo su www-data) and execute the same command it works. So I'm trying to figure out what may be wrong. Debug Output $ which ruby1.8 /usr/bin/ruby1.8 This problem is similar to: http://stackoverflow.com/questions/6126165/usr-bin-env-ruby-1-8-no-such-file-or

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  • Java ReentrantReadWriteLocks - how to safely acquire write lock?

    - by Andrzej Doyle
    I am using in my code at the moment a ReentrantReadWriteLock to synchronize access over a tree-like structure. This structure is large, and read by many threads at once with occasional modifications to small parts of it - so it seems to fit the read-write idiom well. I understand that with this particular class, one cannot elevate a read lock to a write lock, so as per the Javadocs one must release the read lock before obtaining the write lock. I've used this pattern successfully in non-reentrant contexts before. What I'm finding however is that I cannot reliably acquire the write lock without blocking forever. Since the read lock is reentrant and I am actually using it as such, the simple code lock.getReadLock().unlock(); lock.getWriteLock().lock() can block if I have acquired the readlock reentrantly. Each call to unlock just reduces the hold count, and the lock is only actually released when the hold count hits zero. EDIT to clarify this, as I don't think I explained it too well initially - I am aware that there is no built-in lock escalation in this class, and that I have to simply release the read lock and obtain the write lock. My problem is/was that regardless of what other threads are doing, calling getReadLock().unlock() may not actually release this thread's hold on the lock if it acquired it reentrantly, in which case the call to getWriteLock().lock() will block forever as this thread still has a hold on the read lock and thus blocks itself. For example, this code snippet will never reach the println statement, even when run singlethreaded with no other threads accessing the lock: final ReadWriteLock lock = new ReentrantReadWriteLock(); lock.getReadLock().lock(); // In real code we would go call other methods that end up calling back and // thus locking again lock.getReadLock().lock(); // Now we do some stuff and realise we need to write so try to escalate the // lock as per the Javadocs and the above description lock.getReadLock().unlock(); // Does not actually release the lock lock.getWriteLock().lock(); // Blocks as some thread (this one!) holds read lock System.out.println("Will never get here"); So I ask, is there a nice idiom to handle this situation? Specifically, when a thread that holds a read lock (possibly reentrantly) discovers that it needs to do some writing, and thus wants to "suspend" its own read lock in order to pick up the write lock (blocking as required on other threads to release their holds on the read lock), and then "pick up" its hold on the read lock in the same state afterwards? Since this ReadWriteLock implementation was specifically designed to be reentrant, surely there is some sensible way to elevate a read lock to a write lock when the locks may be acquired reentrantly? This is the critical part that means the naive approach does not work.

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  • How to dispose NHibernate ISession in an ASP.NET MVC App

    - by Joe Young
    I have NHibernate hooked up in my asp.net mvc app. Everything works fine, if I DON'T dispose the ISession. I have read however that you should dispose, but when I do, I get random "Session is closed" exceptions. I am injecting the ISession into my other objects with Windsor. Here is my current NHModule: public class NHibernateHttpModule : IHttpModule { public void Init(HttpApplication context) { context.BeginRequest += context_BeginRequest; context.EndRequest += context_EndRequest; } static void context_EndRequest(object sender, EventArgs e) { CurrentSessionContext.Unbind(MvcApplication.SessionFactory); } static void context_BeginRequest(object sender, EventArgs e) { CurrentSessionContext.Bind(MvcApplication.SessionFactory.OpenSession()); } public void Dispose() { // do nothing } } Registering the ISession: container .Register(Component.For<ISession>() .UsingFactoryMethod(() => MvcApplication.SessionFactory.GetCurrentSession()).LifeStyle.Transient); The error happens when I tack the Dispose on the unbind in the module. Since I keep getting the session is closed error I assume this is not the correct way to do this, so what is the correct way? Thanks, Joe

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  • write client ip in iis 7.0 log over firewalls

    - by Guy Bertental
    Hi, I a solution for IIS 7.0 which runs on windows server 2008 64bit to write my clients IP to IIS logs while the server is behind firewalls and proxies (Pass X-Forwarded-For header value). I've tried to install the an ISAPI Filter written by Joe Pruitt. it works great on Windows Server 2003 32bit IIS 6.0, but seems to do nothing at all on windows server 2008 64bit IIS 7.0. Did anyone try this ISAPI filter on this version of OS? or have another solution? link to the Joe Pruitt's (from F5) ISAPI filter: http://devcentral.f5.com/weblogs/Joe/archive/2009/08/19/x_forwarded_for_log_filter_for_windows_servers.aspx best regards, guy bertental

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  • PHP File Exists Always False

    - by Joe
    I have a case where file_exists() is always returning false. My latest attempt was to just test to see if it would return true for $_SERVER["SCRIPT_FILENAME"] and then return the value of the path if it couldn't find the file which it does. The path while not necessarily relevant to solving the problem is: /Users/joe/Workspace/720/app/webroot/index.php I have obviously verified that the file is there, and am not even sure how it couldn't be there since php is serving it up. I should mention this is on an install of OS X Snow Leopard running PHP 5.3.0. Any ideas would be fantastic. CODE SAMPLE: if (!file_exists($_SERVER["SCRIPT_FILENAME"])) $errors[] = 'Cant find:'. $_SERVER["SCRIPT_FILENAME"];

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  • Django 404 page not showing up

    - by Matthew Doyle
    Hey all, I'm in the middle of putting up my first django application on shared hosting. This should be an easy thing, but I am just not seeing it. I tried to follow the directions of the django documentation, and created a 404.html page within my template folder. I just wrote "This is a 404 page." in the .html file. I also did the same thing for a 500.html page and wrote in it "This is a 500 page." However when I hit a 'bad page' I get a standard 404 page from the browser (Oops! This link appears to be broken. in Chrome) when I would expect "This is a 404 page." What's even more interesting is out of frustration I wrote {% asdfjasdf %} in the 404.html, and instead of getting the "Oops!..." error I get "This is a 500 page," so it definitely sees the 404.html template. Here's what I can confirm: Debug = False I am running apache on a shared hosting I have not done anything special with .htaccess and 404 errors. If I run with Debug = True, it says it's a 404 error. I am using FastCGI Anything else anyone think I could try? Thank you very much!

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  • Matlab: Print text in input field

    - by Adam Doyle
    Using Matlab, I have this code: value = input('>> Enter a value: '); and basically, I want a "default" value to the right of the colon (sortof like this) >> Enter a value: 12 where "12" is editable such that the user could [backspace] [backspace] and change the value to, say, "20" or something. Is there any (easy) way to do this? Thanks!

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  • Cucumber/Webrat: follow link by CSS class?

    - by Joe
    Hello there, is it possible to follow a link by it's class name instead of the id, text or title? Given I have (haha, cucumber insider he?) the following html code: <div id="some_information_container"> <a href="edit" class="edit_button">Translation here</a> </div> I do not want to match by text because I'd have to care about the translation values in my tests I want to have my buttons look all the same style, so I will use the CSS class. I don't want to assign a id to every single link, because some of them are perfectly identified through the container and the link class Is there anything I missed in Cucumber/Webrat? Or do you have some advices to solve this in a better way? Thanks for your help and best regards, Joe edit: I found an interesting discussion going on about this topic right here - seems to remain an open issue for now. Do you have any other solutions for this?

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  • How to compile scheme into native binary files ?

    - by Joe
    I am very new to scheme. And now I am trying to compile some scheme code into binary file which will be loaded faster into interpreter. (The interpreter is a hybrid interpreter)Some one told me that I can compile the code into native binary file and then load it into interperter. And my question is: 1. What is the native binary file? 2. How can I compile the scheme code into a native binary file? 3. How can I load native bianry file into scheme interpreter? Thanks in advance. Joe Suggested that I want to compile below code into native binary file: (define test (lambda() (display "this is a test")) And then load the bianry file into interpreter and call the function "test".

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  • How can I work around the fact that in C++, sin(M_PI) is not 0?

    - by Adam Doyle
    In C++, const double Pi = 3.14159265; cout << sin(Pi); // displays: 3.58979e-009 it SHOULD display the number zero I understand this is because Pi is being approximated, but is there any way I can have a value of Pi hardcoded into my program that will return 0 for sin(Pi)? (a different constant maybe?) In case you're wondering what I'm trying to do: I'm converting polar to rectangular, and while there are some printf() tricks I can do to print it as "0.00", it still doesn't consistently return decent values (in some cases I get "-0.00") The lines that require sin and cosine are: x = r*sin(theta); y = r*cos(theta); BTW: My Rectangular - Polar is working fine... it's just the Polar - Rectangular Thanks! edit: I'm looking for a workaround so that I can print sin(some multiple of Pi) as a nice round number to the console (ideally without a thousand if-statements) edit: In case anyone's curious, this was what I landed on: double sin2(double theta) // in degrees { double s = sin(toRadians(theta)); if (fabs(s - (int)s) < 0.000001) { return floor(s + 0.5); } return s; } where toRadians() is a macro that converts to radians

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  • Are there any small scale, durable document/object databases?

    - by Joe Doyle
    I have a few .Net projects that would benefit from using a document/object database opposed to a relational one. I think that db4o would be a good choice, but we're not sure how much the cost is. I'd love to use MongoDB but it's design isn't for small scale, single server applications. Are there other options out there that I just haven't run across for small scale applications? EDIT: So is this a space that doesn't have a good solution, yet? Are there no small scale & durable document databases? Would my best choice be to use MongoDB and set the --syncdelay option set to 1?

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  • How can I work around the fact that in C++, sin(3.14159265) is not 0?

    - by Adam Doyle
    In C++, const double Pi = 3.14159265; cout << sin(Pi); // displays: 3.58979e-009 it SHOULD display the number zero I understand this is because Pi is being approximated, but is there any way I can have a value of Pi hardcoded into my program that will return 0 for sin(Pi)? (a different constant maybe?) In case you're wondering what I'm trying to do: I'm converting polar to rectangular, and while there are some printf() tricks I can do to print it as "0.00", it still doesn't consistently return decent values (in some cases I get "-0.00") The lines that require sin and cosine are: x = r*sin(theta); y = r*cos(theta); BTW: My Rectangular - Polar is working fine... it's just the Polar - Rectangular Thanks! edit: I'm looking for a workaround so that I can print sin(some multiple of Pi) as a nice round number to the console (ideally without a thousand if-statements)

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  • (MyClassName)object vs. object as MyClassName

    - by Matthew Doyle
    Hello all, I was wondering what is the better method for Casting objects for C#: MyClassName test = (MyClassName)object; MyClassName test = object as MyClassName; I know already that if you do the first way, you get an exception, and the second way it sets test as null. However, I was wondering why do one over the other? I see the first way a lot, but I like how the second way because then I can check for null... If there isn't a 'better way' of doing it, what are the guidelines for using one way or the other?

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  • Are there any small scale persisitant document/object databases?

    - by Joe Doyle
    I have a few .Net projects that would benefit from using a document/object database opposed to a relational one. I think that db4o would be a good choice, but the $1200 commercial price tag is bit too much for us. I'd love to use MongoDb but it's design isn't for small scale, single server applications. Are there other options out there that I just haven't run across for small scale applications?

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