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Articles indexed Saturday April 3 2010

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  • Boolean data type size and want to print its value?

    - by Vineet
    I want to know data data type of boolean , i used VSIZE() function but it is not working for boolean and Want to print and store boolean value into table. Please let me know how oracle store boolean value ,is there any other way to see data type and value for boolean variable. ERROR " expression is of wrong type" DECLARE a boolean; b number(7):=7; c number(2):=2; BEGIN a:=bc; select vsize(a) into b from dual; dbms_output.put_line(b); END;

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  • SQL SERVER Difference Between GRANT and WITH GRANT

    This was very interesting question recently asked me to during my session at TechMela Nepal. The question is what is the difference between GRANT and WITH GRANT when giving permissions to user.Let us first see syntax for the same.GRANT:USE master;GRANTVIEW ANY DATABASETO username;GOWITH GRANT:USE master;GRANTVIEW ANY DATABASETO username WITHGRANTOPTION;GOThe difference between both of this option [...]...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • Using Visual sudio .ncb file for reflection.

    - by Rushi
    I am developing visual game level editor in c++. For this I want reflection(RTTI) mechanism to know class attributes at runtime. I am currently using PDB files for this.But using PDB I couldn't retrieve actual code line for extra information in commented format which is given for that attribute. Visual studio uses NCB files for intelligence. So will it be better idea to use NCB instead PDB? If yes,How to retrieve information from NCB files? Is there any SDK like DIA SDK?

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  • Memory in Eclipse

    - by user247866
    I'm getting the java.lang.OutOfMemoryError exception in Eclipse. I know that Eclipse by default uses heap size of 256M. I'm trying to increase it but nothing happens. For example: eclipse -vmargs -Xmx16g -XX:PermSize=2g -XX:MaxPermSize=2g I also tried different settings, using only the -Xmx option, using different cases of g, G, m, M, different memory sizes, but nothing helps. Does not matter which params I specify, the heap exception is thrown at the same time, so I assume there's something I'm doing wrong that Eclipse ignores the -Xmx parameter. I'm using a 32GB RAM machine and trying to execute something very simple such as: double[][] a = new double[15000][15000]; It only works when I reduce the array size to something around 10000 on 10000. I'm working on Linux and using the top command I can see how much memory the Java process is consuming; it's less than 2%. Thanks!

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  • How to assign permissions for Copy/Paste on windows

    - by jalchr
    Well, as everyone knows there is no way you can assign permissions for Copy/Paste of files on windows platform. I need to control the copy process from a central file server, in a way that helps me know: which user performed the copy Which files were copied where did he pasted them Total size of data copied Time of copy operation If user exceeds the allowed "Copy-Limit", a dialog box requests him to enter administrative credentials or deny him (as it would be configured) Store all this data in a file for later review or send by email. I need to collect this data by putting a utility program on the server itself, without any other installation on client computers. I know about monitoring the Clipboard, but which clipboard would it be? the user's clipboard or the server's clipboard ? And what about drag-drop operation, which doesn't even pass through the clipboard? Any knowledge of whether SystemFileWatcher is useful in such case ? Any ideas ?

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  • Rails ActiveRecord Transaction does not finish

    - by PanosJee
    Hi everyone, I have a Transaction for a batch insert/update block and all of sudden it stopped working. The are no errors or exception risen and it seems like Rails stops just before the end of the Transaction blog so the methods does not return. I restarted both MySQL and the system but still.

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  • subdomain rewriting in ASP.NET?

    - by acidzombie24
    How do i do this in .NET? http://why.does.my.head.asplode.net/ I want to do something like ytmnd where each url is a different user generated page. I might need something as simple as pointing to a directory so dirname.mysite.com will redirect to http_public/userGenContent/dirname/

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  • Fast CGI, Lighttpd, Ubuntu

    - by Gosh
    Is this log file familiar to someone of UBUNTU users? Lighttpd log file: > 2009-08-30 21:37:45: (log.c.75) server started > 2009-08-30 21:37:45: (mod_fastcgi.c.1029) the fastcgi-backend php5-cgi *failed* to start: > 2009-08-30 21:37:45: (mod_fastcgi.c.1033) *child exited with status 9 php5-cgi* > 2009-08-30 21:37:45: (mod_fastcgi.c.1036) If you're trying to run PHP as a FastCGI backend, make sure you're using the FastCGI-enabled version. > You can find out if it is the right one by executing 'php -v' and it should display '(cgi-fcgi)' in the output, NOT '(cgi)' NOR '(cli)'. > For more information, check http://trac.lighttpd.net/trac/wiki/Docs%3AModFastCGI#preparing-php-as-a-fastcgi-programIf this is PHP on Gentoo, add 'fastcgi' to the USE flags. > 2009-08-30 21:37:45: (mod_fastcgi.c.1340) [ERROR]: *spawning fcgi failed*. > 2009-08-30 21:37:45: (server.c.908) Configuration of plugins failed. Going down. Please open a secret how did you solved fcgi problem and made lighttpd to start, if you did. Thx, Gosh.

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  • NHibernate + ASP.NET + Open Session in View + L2Cache

    - by Pedro
    I am using CodeProject's well known Open Session in View to handle NHibernate Sessions. Does it works well with Level 2 Cache? Anyone has succeeded doing it? Should I use NH.Burrow instead? Any advice on l2 cache in asp.net best practices is appreciated. Edit: link to CodeProject's article: http://www.codeproject.com/KB/architecture/NHibernateBestPractices.aspx

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  • How do i pack multiple rectangles in a 2d box tetris style

    - by mglmnc
    I have a number of rectangles of various widths and heights. I have a larger rectangular platform to put them on. I want to pack them on one side of the platform so they spread in the lengthwise (X) dimension but keep the widthwise (Y) dimension to a minimal. That is to place them like a tetris game. There can be no overlaps but there can be gaps. Is there an algorithm out there to do this?

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  • Help matching fields between two classes

    - by Michael
    I'm not too experienced with Java yet, and I'm hoping someone can steer me in the right direction because right now I feel like I'm just beating my head against a wall... The first class is called MeasuredParams, and it's got 40+ numeric fields (height, weight, waistSize, wristSize - some int, but mostly double). The second class is a statistical classifier called Classifier. It's been trained on a subset of the MeasuredParams fields. The names of the fields that the Classifier has been trained on is stored, in order, in an array called reqdFields. What I need to do is load a new array, toClassify, with the values stored in the fields from MeasuredParams that match the field list (including order) found in reqdFields. I can make any changes necessary to the MeasuredParams class, but I'm stuck with Classifier as it is. My brute-force approach was to get rid of the fields in MeasuredParams and use an arrayList instead, and store the field names in an Enum object to act as an index pointer. Then loop through the reqdFields list, one element at a time, and find the matching name in the Enum object to find the correct position in the arrayList. Load the value stored at that positon into toClassify, and then continue on to the next element in reqdFields. I'm not sure how exactly I would search through the Enum object - it would be a lot easier if the field names were stored in a second arrayList. But then the index positions between the two would have to stay matched, and I'm back to using an Enum. I think. I've been running around in circles all afternoon, and I keep thinking there must be an easier way of doing it. I'm just stuck right now and can't see past what I've started. Any help would be GREATLY appreciated. Thanks so much! Michael

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  • Using PAM and vsftpd without root access

    - by Zizzencs
    I'm trying to set up a few vsftpd instances on a machine that I have no root access to. The authentication should be done through PAM with pam_listfile, like this: pam_listfile.so item=group sense=allow file=/path/filename onerr=fail I can ask the administrator to set up a PAM service for me and include that line but he is not willing to create 6 PAM services for my 6 vsftpd instances and I really need different /path/filename set for each vsftpd server. Is there a way to solve this problem? Can I somehow not use absolute path as the parameter? (I know the correct solution would be to use one vsftpd instance and set up virtual users properly. However unfortunately I have to work what I have and the users already exist in an Active Directory and are authenticated to the system using another PAM service.)

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  • SQLServer 2008 BIDS On Windows 7 - 64bit

    - by Eduardo Quirós-Campos
    Hello, I am trying to install Sql Server 2008 Business Intelligence Development Suite on VS2008 in a Windows 7 (64bit) machine. The installer is aborting with an unspecified error for which I have not been able to find any error anywhere. Has anyone had the same problem with BIDS? Thanks, Eduardo Quiros-Campos

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  • What is a good OS to mess around with Xen Dom0?

    - by earlz
    Hello, I'd like to experiment some with Xen. My problem is I do not know which OS to try to install it with. I use OpenBSD, but it can not run as Dom0 or DomU at this point. I use Arch Linux on my website's VPS, so I know it and like it. The support for Xen just doesn't seem to be there though. Can anyone suggest a nice (preferably lightweight, so not SUSE and such) Linux distro or *BSD to mess around with Xen in a non-production environment?

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  • Having Textmate warn me when writing to a file that was modified since Textmate last read it

    - by emm
    Scenario: I open a file, I edit it. After I began editing, the file is modified by another program. Finally, I save the file. In that case, Vim would provide that helpful warning: WARNING: The file has been changed since reading it Do you really want to write to it (y/n)? But Textmate will overwrite the file silently, which can result in unpleasant data loss (in my case, a de facto revert on Git). How can I prevent that?

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  • How do I find out the Mac Address Firefox submits for Geolocation?

    - by Jim McKeeth
    I moved, but have the same router and cable box. Now when I visit Google Maps it still shows my old location. I went to the SkyhookWireless update page to update my Mac Address with my new location. The process is you put in your Mac address and it shows you the current location, and then you adjust that location and submit it. When I got the Mac Address from the status page on my router Skyhook reported that location as in Pakistan, which isn't even the correct continent (as my old or new address). I tried every other Mac address I could come up with: The cable router, the Wireless router's other Mac address, my PC's Mac address, etc. and none of them reported any location on the Skyhook page. So I am guessing that there is another Mac address, or some other bit of information that is used by Firefox when it reports to Google Maps my current location. Now that you have the back story, how do I find the Mac address or whatever information it is that Firefox (or other browsers) use to determine my Geolocation? Everything I have read online is rather vague. The next option I am considering is hooking a logging proxy onto Firefox and seeing what data it sends, but I'd rather find an easier method. Related: How do I update the geo location of my house?

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  • linux passwords in configuration files

    - by user33124
    Some programs on linux that use configuration files, want me to enter my password in plain text in one of their configuration files. For example newsbeauter, the rss reader wants me to enter my google account password in a ~/.newsbeauter/config if I want to read google reader feeds. Mutt also sort of wants a password in a text file, but gives an option of entering it on every login. Is there any secure workaround to storing a password in a config file like that (eg for newsbeauter)? I was thinking of running the app as root, but that doesn't seem right. Or somehow creating and deleting the file everytime I use the app. Any ideas?

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  • when using a FTPS connection to transfer a file, what is the difference between a 'Binary mode taran

    - by shaleen mohan
    I am using a FTPS connection to send a text file [this file will contain EDI(Electronic Data Interchange) information]to a mailbox INOVIS.I have configured the system to open a FTPS connection and using the PUT command I write the file to a folder on the FTP server. The problem is: what mode of file transfer should I use? How do I switch between modes? Moreover which mode is the 'best-practice' to use when transferring file over FTPS connection. If some one can provide me a small ftp script it would be helpful.

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