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  • Can I change the datsource of report model at runtime

    - by Manab De
    I've some adhoc reports developed on some report models which are published on Report Server (we're using SSRS 2008). Everything is running well. Now in our production environment we've near about forty (40) customers who have their own database (each have the same table structures and other database objects). Now the challenge is whenever a customer will log into the report server using windows authentication and trying to view those reports we need to get the SQL data from the proper database only. Reports are designed using the report model and each model has a valid data source which is connected to particular database. We can create forty separate data sources each will be connected to specific database. My question is, is there any way through which we can change the report model data source name dynamically or during runtime based on the customer name so that during execution of the report, SSRS would fetch the data from the correct database but not from any other database. Please help me.

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  • C# memory / allocation cleanup

    - by Number8
    Some near-code to try to illustrate the question, when are objects marked as available to be garbage-collected -- class ToyBox { public List<Toy> Toys = new List<Toy>(); } class Factory { public ToyBox GetToys() { ToyBox tb = new ToyBox(); tb.Toys.Add(new Toy()); tb.Toys.Add(new Toy()); return tb; } } main() { ToyBox tb = Factory.GetToys(); // After tb is used, does all the memory get cleaned up when tb goes out of scope? } Factory.GetToys() allocates memory. When is that memory cleaned up? I assume that when Factoy.GetToys() returns the ToyBox object, the only reference to the ToyBox object is the one in main(), so when that reference goes out of scope, the Toy objects and the ToyBox object are marked for garbage collection. Is that right? Thanks for any insights...

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  • How to send complete POST to Model in Code Igniter

    - by Constant M
    Hi there, What would be the best way to send a complete post to a model in Code Igniter? Methods I know are as follow: Name form elements as array, eg. <input type="text" name="contact[name]"> <input type="text" name="contact[surname]"> and then use: $this->Model_name->add_contact($this->input->post('contact')); The other would be to add each element to an array and then send it to the model as such: <input type="text" name="name"> <input type="text" name="surname"> and $contact_array = array('name' => $this->input->post('name'), 'surname' => $this->input->post('surname')); $this->Model_name->add_contact($this->input->post('contact')); Which one of these would be best practice, and is there a way to directly send a whole POST to a model (or a whole form maybe?)

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  • Freeing Java memory at a specific point in time

    - by Marcus
    Given this code, where we load a lot of data, write it to a file, and then run an exe.. void myMethod() { Map stuff = createMap(); //Consumes 250 MB memory File file = createFileInput(stuff); //Create input for exe runExectuable(file); //Run Windows exe } What is the best way to release the memory consumed by stuff prior to running the exe? We don't need this in memory any more as we have dumped the data to a file for input to the exe... Is the best method to just set stuff = null prior to runExecutable(file)?

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  • C/C++ memory usage API in Linux/Windows

    - by minjang
    I'd like to obtain memory usage information for both per process and system wide. In Windows, it's pretty easy. GetProcessMemoryInfo and GlobalMemoryStatusEx do these jobs greatly and very easily. For example, GetProcessMemoryInfo gives "PeakWorkingSetSize" of the given process. GlobalMemoryStatusEx returns system wide available memory. However, I need to do it on Linux. I'm trying to find Linux system APIs that are equivalent GetProcessMemoryInfo and GlobalMemoryStatusEx. I found 'getrusage'. However, max 'ru_maxrss' (resident set size) in struct rusage is just zero, which is not implemented. Also, I have no idea to get system-wide free memory. Current workaround for it, I'm using "system("ps -p %my_pid -o vsz,rsz");". Manually logging to the file. But, it's dirty and not convenient to process the data. I'd like to know some fancy Linux APIs for this purpose.

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  • Unsafe, super-fast cross-process memory buffer?

    - by John
    Cross-process memory buffers always have some overhead, and my understanding is this is quite high. But what if you're implementing a cross-process render-buffer, this isn't critically important in the same way as other data so are there techniques we can use to get 'raw' access to a chunk of memory from multiple processes, with no safety nets apart from it not crashing? Or do modern operating systems simply not work with unabstracted memory in a way to make this possible? I'm working in C++ but the question applies to Win XP/Vista/7, MacOSX 10.5+ (& Linux less importantly).

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  • Memory leak in Mozilla when unloading stylesheets

    - by KaptajnKold
    I'm working with Mozilla v1.7.12 on a constrained device (a Motorola set-top box) trying to resolve some memory leaks. When I dynamically load a stylesheet which refers to some large images, I can see that the amount of consumed memory increases in correspondance with the size of the images. This is what I would expect. Then, when I remove the stylesheet from the DOM, I would expect the memory to be freed. However, this does not happen. This is a problem, because the web application I'm working on needs to be able to dynamically load and and unload stylesheets potentially many times in the lifetime of the page. My question therefore is this: Is what I'm seeing expected behavior or is it a known bug? Is there a way to work around this? I should point out that I've set the expires header to -1 on all the images in the stylesheet.

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  • CoreData Model Objects for API

    - by theiOSguy
    I am using CoreData in my application. I want to abstract out all the CoreData related stuff as an API so that the consume can use the API instead of directly using CoreData and its generated model objects. CoreData generates the managed objects model as following @interface Person : NSManagedObject @end I want to define my API for example MyAPI and it has a function called as createPerson:(Person*)p; So the consumer of this createPerson API needs to create a Person data object (like POJO in java world) and invoke this API. But I cannot create Person object using Person *p = [Person alloc] init] because the designated initializer for this Person model created by CoreData does not allow this type of creation. So should I define corresponding user facing data object may be PersonDO and this API should take that instead to carry the data into the API implementation? Is my approach right? Any expert advise if design the API this way is a good design pattern?

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  • Memory usages in Linux drops frequently

    - by FunkyChicken
    I run a CentOS 5.6 (64bit) machine that has Nginx (latest version) running, with php-fpm (latest version). Things run very well, but since about 2 weeks I noticed in my Munin graphs that about every 2 hours the 'cache' usages drops. Before it used be a steady fully graph, that didn't seem to reset every so often. PHP-FPM settings: pm.max_children = 300 daemonize = yes pm = static listen = /tmp/fpm.sock pm.max_requests = 1000 I have checked the php-fpm.log, and about once per 5 seconds a child process is killed, and restarted. But this is all the time, so this does not explain the sudden drops. I only run Nginx, PHP (via fpm), Munin and vsftpd on this machine. No crons run at exactly the time of the drops. My question: What could be causing these drops in cache usage?

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  • Memory cache Ubuntu 9.10 server x86 doesn't work as expected

    - by Matthijs
    We're using an Ubuntu 9.10 server to transfer Ghost-image files. We configured it only with Samba. And the DOS-clients connect to Samba. The latest updates are installed and so far the servers is running fine. When we image 10 pc's with the same image of 2 files of 2GB there's no disk activity. Everything is loaded in the RAM. There's 4GB in the server. But when we use 2 pc's with 2 different image files of 500 MB (8x) files then there's a lot of continuous disk activity. The speed is lower. So it seems that Ubuntu doesn't cache more then one big file. Are there settings to change this behaviour?

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  • What's using up my memory?

    - by Mehrdad
    I already know what's causing this -- it's the driver for FancyCache, which I'd installed myself. But as you can see, nothing in the screenshot tells me anything about this. I just happen to know. So the question is, if I didn't know this, how would I figure out what's using up so much of my RAM? (For reference: It's currently 1.7 GiB used, and the "missing" amount -- for FancyCache -- is 512 MiB. Clearly, that extra half-gigabyte not showing up anywhere I can see below.)

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  • Laptop won't boot with both memory slots used

    - by Johnny W
    I'm currently trying to upgrade my old Sony Vaio VGN-SZ1HP/B to 2GB of RAM. It already had 1GB of Crucial RAM in one of its slots, and one empty. I checked on Crucial.com and it confirms that each bank can hold 1GB of PC2-5300. The 1GB stick already installed was this, but Crucial's page recommended this... The two are identical from what I can make out, so I just ordered another one of the former. Unfortunately the machine refuses to even POST with both sticks installed. If I remove the old RAM from Slot 1 and replace it with the new RAM it runs fine. If I leave Slot 1 empty and put RAM (either stick) in Slot 2, it won't POST. Basically it seems that Slot 2 just isn't working properly. Does anyone have any ideas on how to solve this problem? Or maybe have any experience with this sort of thing with Sony Vaios? Thanks for any help!

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  • Apache, httpd process 4MB+ memory use, Wordpress, Dedicated Server

    - by david
    What is happening to apache? I cannot trace down the processes doing this to my server. I can't anymore, the server is crashing every day a few times. Don't know what to do anymore, tried all the answers here, i can't find the problem. apache 5978 0.0 1.4 34060 14000 ? S 10:13 0:00 /usr/sbin/httpd apache 5979 1.8 3.6 61660 35632 ? S 10:13 0:02 /usr/sbin/httpd apache 5982 1.9 3.6 61712 35640 ? S 10:13 0:02 /usr/sbin/httpd apache 5983 0.0 1.7 46000 17480 ? S 10:13 0:00 /usr/sbin/httpd apache 5984 1.4 4.3 70880 42644 ? S 10:13 0:02 /usr/sbin/httpd apache 5985 2.6 4.3 69864 42888 ? S 10:13 0:04 /usr/sbin/httpd apache 5986 0.7 3.9 67240 39220 ? S 10:13 0:01 /usr/sbin/httpd apache 5987 0.8 3.9 67240 39228 ? S 10:13 0:01 /usr/sbin/httpd apache 5988 2.5 4.3 70136 43160 ? S 10:13 0:03 /usr/sbin/httpd apache 6151 0.0 1.7 45868 17404 ? S 10:15 0:00 /usr/sbin/httpd

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  • My hosting server giving memory allocation error

    - by Usman
    I have hosted my website on shared hosting linux server. As there are atmost 10-15 visitors come to my website daily but My wordpress website most of the times gives 500 Internal Server Error. I accessed my server Error Log following error is showing: [Tue Dec 04 08:57:45 2012] [error] [client 117.205.74.227] (12)Cannot allocate memory: couldn't create child process: /opt/suphp/sbin/suphp for /home/grasphub/public_html/index.php [Tue Dec 04 08:57:45 2012] [error] [client 117.205.74.227] (12)Cannot allocate memory: couldn't create child process: /opt/suphp/sbin/suphp for /home/grasphub/public_html/index.php [Tue Dec 04 08:57:43 2012] [error] [client 117.205.74.227] (12)Cannot allocate memory: couldn't create child process: /opt/suphp/sbin/suphp for /home/grasphub/public_html/index.php [Tue Dec 04 08:57:43 2012] [error] [client 117.205.74.227] (12)Cannot allocate memory: couldn't create child process: /opt/suphp/sbin/suphp for /home/grasphub/public_html/index.php [Tue Dec 04 08:57:42 2012] [error] [client 117.205.74.227] (12)Cannot allocate memory: couldn't create child process: /opt/suphp/sbin/suphp for /home/grasphub/public_html/index.php [Tue Dec 04 08:57:42 2012] [error] [client 117.205.74.227] (12)Cannot allocate memory: couldn't create child process: /opt/suphp/sbin/suphp for /home/grasphub/public_html/index.php [Tue Dec 04 08:57:41 2012] [error] [client 117.205.74.227] (12)Cannot allocate memory: couldn't create child process: /opt/suphp/sbin/suphp for /home/grasphub/public_html/index.php [Tue Dec 04 08:57:41 2012] [error] [client 117.205.74.227] (12)Cannot allocate memory: couldn't create child process: /opt/suphp/sbin/suphp for /home/grasphub/public_html/index.php [Tue Dec 04 08:57:40 2012] [error] [client 117.205.74.227] (12)Cannot allocate memory: couldn't create child process: /opt/suphp/sbin/suphp for /home/grasphub/public_html/index.php [Tue Dec 04 08:57:40 2012] [error] [client 117.205.74.227] (12)Cannot allocate memory: couldn't create child process: /opt/suphp/sbin/suphp for /home/grasphub/public_html/index.php [Tue Dec 04 08:57:32 2012] [error] [client 117.205.74.227] (12)Cannot allocate memory: couldn't create child process: /opt/suphp/sbin/suphp for /home/grasphub/public_html/index.php [Tue Dec 04 08:57:31 2012] [error] [client 117.205.74.227] (12)Cannot allocate memory: couldn't create child process: /opt/suphp/sbin/suphp for /home/grasphub/public_html/index.php [Tue Dec 04 08:57:29 2012] [error] [client 117.205.74.227] (12)Cannot allocate memory: couldn't create child process: /opt/suphp/sbin/suphp for /home/grasphub/public_html/index.php [Tue Dec 04 08:57:29 2012] [error] [client 117.205.74.227] (12)Cannot allocate memory: couldn't create child process: /opt/suphp/sbin/suphp for /home/grasphub/public_html/index.php [Tue Dec 04 08:57:26 2012] [error] [client 117.205.74.227] (12)Cannot allocate memory: couldn't create child process: /opt/suphp/sbin/suphp for /home/grasphub/public_html/index.php Is my hosting service really bad. And any solution. Thanks in advance.

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  • how to recover images from memory card

    - by user23950
    I don't know what happened. I tried to connect the digital camera on the computer using usb but then it freeze(the camera), so I tried to turn it off, but it wont turn off so I just removed the battery. But when I plug it in again , the images are loss. I tried recovering the data using tune up undelete and trying to search for *.jpg, but there were no results, what can I do to recover the pictures?

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  • Motherboard max memory supported

    - by Ashfame
    I have an Intel DG965RY motherboard and its specification says it supports 8GB with 533 or 667Mhz RAM sticks and only 4GB with 800Mhz RAM sticks. I am running a 64bit OS. I earlier had 2 X 1GB sticks (800Mhz), so I bought 2 X 2GB sticks (800Mhz) and I underclocked them in the settings to run at 667Mhz. Shouldn't it support all 6GB RAM now? It would be a bummer if I will specifically need 667Mhz sticks thinking that at the worst they will underclock and then run at 667Mhz. I tried this because I saw someone posted at some forum that he put in 4GB+ of RAM in the same board @ 800Mhz and the system uses it all. In my case (On Ubuntu), it only shows 3.2GB as of now (link to Question) so needed to confirm if this is a hardware limitation.

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  • Odd Suhosin memory alerts

    - by slice
    I am getting a lot of odd suhosin alerts in my syslog. The following are example entries: Jun 9 08:46:11 suhosin[9764]: ALERT - script tried to increase memory_limit to 2145386496 bytes which is above the allowed value (attacker '157.55.39.180', file '/var/www/site/index.php') Jun 9 08:46:11 suhosin[9744]: ALERT - script tried to increase memory_limit to 2145386496 bytes which is above the allowed value (attacker '109.74.2.136', file '/var/www/site/test.php') Jun 9 08:46:13 suhosin[9779]: ALERT - script tried to increase memory_limit to 0 bytes which is above the allowed value (attacker 'REMOTE_ADDR not set', file 'unknown') Jun 9 08:46:13 suhosin[9779]: ALERT - script tried to increase memory_limit to 2145386496 bytes which is above the allowed value (attacker 'REMOTE_ADDR not set', file 'unknown') What is happening here? Why 0 bytes or 2145386496 bytes (2046 GB!!??)? Why does it sometimes state the attacker and the requested script and sometimes state 'REMOTE_ADDR not set' and file 'unknown'? How do I proceed to figure this out?

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  • Copy photos from memory card (How do I manually start the wizard?)

    - by Motti
    I want to copy photos from my camera's memory card using Windows photo copy wizard, however I'm not connecting the camera directly (I lost the cable) rather I'm inserting the camera's SD memory card into the memory card's slot. Windows (Vista) recognizes the memory card and I can explore the photos but it doesn't automatically launch the "Device connected, what do you want to do" wizard. How do I manually launch the photo copy wizard?

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  • iTunes memory usage

    - by Jordan S. Jones
    Why does iTunes use upwards of 70 megs of ram when it is minimized to my system tray playing music? -- Update -- I understand that iTunes is a resource hog :) What I'm trying to find out, is what part of iTunes is using all that ram. Is it the music library? If I have a smaller music library, will it use less ram? Is it loading all the Album Artwork into ram for some dumb reason? Additionally, is there any recommendations on what someone could do to reduce the amount of ram it is using?

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  • Why is my server using so much memory?

    - by Qasim
    I haven't even set up my website on my dedicated server so I'm the only one using it at the moment. And yet this is what I see in my sys info: Full Size I just got a bunch of security softwares installed today so I'm wondering if that could be the reason. Programs like Dos deflate, CSF firewall, Mod_security, SIM, Log watch, etc. My server's details: CentOS Processor Intel Xeon CPU X3220 CPU Speed 2.39 GHz Cache Size 4.00 MB RAM 2GB DDR2

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