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• Email server - Disk quota sizes - suggestions?

  - by Ian H

  Working out a new server for an agency of 200 Employees - with approx 240 email accounts. Internally I'm arguing with myself over the amount of drive space to allocate to each user for the disk quota, I'm just looking for suggestions. Once i have a quota size decided, it will define the solution for storage. I've had everything from 4 GB per account ( which i feel is being generous ) down to 500 Mb ( with is rather restrictive in today's day and age. ) Thing is 4 GB per acocunt is just under 1 TB of allocated storage for email alone. Does anyone follow a "rule of thumb" or have thoughts on this? thanks in advance

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• Approaches for a clickable map of nations (such as a Risk game) with Spritekit

  - by Vukovitch

  I would like to create a political map where each country is clickable by tapping but I'm not sure the best way to determine which nation was selected. Imagine Risk where each country can be individually clicked to bring up additional information. My current approach is to make a sprite for each nation where every image is the size of the screen The images are mostly transparent except for the country, that way when all of the images are displayed the countries are in the correct place relative to one another. To determine if a click occurs on an individual country I look to see if the tapped location is a non transparent pixel and check that the sprite's name is one of the countries. Additionally the nation needs to glow or something when tapped as an indicator, however my current solution is yet another sprite that is displayed. This seems like a terrible approach and I was wondering what other solutions might achieve the same results. I'm pretty new to SpriteKit so I'm not entirely sure. The other idea I had was creating a single texture where each country is a different shade of gray, then when I get the tap location I do a lookup on the color at that location and get the corresponding country. However, I'm not sure how to create a hilight or glowing country effect with that method.

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• Windows Server 2008 scheduled tasks cannot create files

  - by Nick Cartwright

  We have a series of tasks which, when run interactively over the command line run fine creating temporary files and (importantly) logs and backups. When we schedule the task with Administrator privileges to run at the highest priority, however, no logs or temporary files are created! All the directories have read/write privileges as administrator. Has anyone else experienced this?? We are running Windows 2008 Server & the job is configured for 'Windows Vista or Windows Server 2008'. Any help would be much appreciated! OK - so we installed Z-Cron and it works perfectly.... Still a really really strange error from Windows 2008 Task Scheduler, but a solution is perhaps not quite so urgent now we have Z-Cron working!

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• Display CPU usage separately (without root privileges)

  - by synaptik

  I need to display the CPU usage for each processing core on a single shared-memory 12-core (SMP) machine. I don't have access to install htop, else I would simply use that. I don't need fancy graphs or meters, though they would be nice. For example, simply displaying: X X X X X X X X X X X X where each X is the percentage utilization of 1 of the 12 processing cores on my machine. FYI: I know I can simply look at the utilization in "top" and divide that number by the number of cores on my machine, but I prefer a solution that shows each core separately.

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• How to use a D-Link usb network adapter on debian

  - by Barranka

  I have a Debian (squeeze) desktop, and I need to use a D-Link 150 USB Wireless Network Adapter. So far I've done this: $ lsusb ... Bus 001 Device 006: ID 2001:3c18 D-Link Corp. ... After looking for a solution in google, I found that I needed to install the following package: firmware-ralink_0.28+squeeze1_all.deb I've installed it, but Debian doesn't want to find the adapter. When I run lsmod, I can't find what I'm supposed to find: rt2870sta Can you point me in the right direction?

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• WIFI/LAN not working after Installing Ubuntu 13.10

  - by user183025

  I can't connect to my WIFI after installing Ubuntu 13.10. I tried re-installing it three times (thinking that I did something wrong during the installation) but I still can't connect to my WIFI. It just gives me the message that I'm offline and that I can't connect to my WIFI. I also tried connecting to the internet using LAN cable but with the same results. I tried google but it seems that there's no solution to this yet.... Anybody knows how to solve this? Thanks! FYI: H/W path Device Class Description ====================================================== system RC530/RC730 (To be filled by O.E.M.) /0 bus RC530/RC730 /0/0 memory 64KiB BIOS /0/4 processor Intel(R) Core(TM) i5-2410M CPU @ 2.30GHz /0/4/5 memory 32KiB L1 cache /0/41 memory 4GiB System Memory /0/41/0 memory DIMM [empty] /0/41/1 memory 4GiB SODIMM DDR3 Synchronous 1333 MHz (0.8 ns) /0/100 bridge 2nd Generation Core Processor Family DRAM Controller 02:00.0 Network controller: Intel Corporation Centrino Wireless-N 130 (rev 34) Subsystem: Intel Corporation Centrino Wireless-N 130 BGN Flags: bus master, fast devsel, latency 0, IRQ 44 Memory at f7200000 (64-bit, non-prefetchable) [size=8K] Capabilities: <access denied> Kernel driver in use: iwlwifi Kernel modules: iwlwifi 03:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 06) Subsystem: Samsung Electronics Co Ltd Device c0c1 Flags: bus master, fast devsel, latency 0, IRQ 41 I/O ports at b000 [size=256] Memory at f2104000 (64-bit, prefetchable) [size=4K] Memory at f2100000 (64-bit, prefetchable) [size=16K] Capabilities: <access denied> Kernel driver in use: r8169 Kernel modules: r8169

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• Laptop forgets second monitor when it goes to sleep

  - by al c

  I recently updated my nvidia driver... now I have to re-establish the connection to my second monitor everytime the laptop goes to sleep. When I open the NVIDIA control panel, the second monitor is listed there but the checkbox beside it has been cleared. Oddly my laptop screen is identified as display #3 and the external screen as display #4. Is there a registry key that I can clear to get them set back to #1 & #2? Will that fix the problem? Or is there a simpler solution. (It's a Dell Studio XPS laptop with GeForce 9500M running Windows Vista 64-bit) TIA Al

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• Why do mapped drives only reappear after logging out and back in, and not after a reboot?

  - by razumny

  I work in a corporate environment, where we use mostly Windows 7 Professional computers, though some legacy applications are still being run on Windows XP. We have security in place on the network not to allow access to network resources to computers that are not members of Active Directory. When logging in, our users get their home folder and a common network drive mapped to H: and F:, respectively. Sometimes, this does not happen, and the drives are not mapped. The solution is to have the user log off, and back in to Windows. If they reboot, the drives remain unmapped. Does anyone know why this may be?

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• Throttling bandwidth on a per group basis

  - by Robreylen

  I am wondering if it is possible to create a bandwidth shaping/throttling script that shapes traffic based on user group. That is, if user1, user2, are in user group group1, they will have 1mb/s download and 1mb/s upload, whilst if user3 and user4 are in group2, they will have 256kb/s download and 256kb/s upload. I've read a bit about this and I found some iptables and TC implementations of a per user solution, but I have not seen anything for a user group. Hopefully it can be simply implemented in form of a custom iptables rules and script running with TC or the like. Here is a script I was looking into that does a system wide throttle: http://atmail.com/kb/2009/throttling-bandwidth/ I assume it is possible to do user group throttling since it is possible for throttling on a per user basis. Thanks for any info you can provide for this question.

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• Windows 7 strange boot issue

  - by JL

  Recently I installed an SSD drive, its now my primary boot drive (OCZ Vertex Turbo 60GB). I'm running Win 7 (64bit). Now I am not sure exactly where the fault lies, but when I do a restart from within Windows, the computer will boot and enter into the loading windows portion, however won't progress beyond there. My solution is to manually hit the reset switch, and then when it boots it enters into a windows menu that offers a start up repair or start windows normally. I select start windows normally, and then it boots fine. I am not entirely sure why I can't just restart the computer from windows normally though. The SSD drive works perfectly, and not even sure if it is the cause to this problem. Any ideas on this?

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• Isn't Java a quite good choice for desktop applications?

  - by tactoth

  At present most applications are still developed with C++, painfully. Lack of portability, in compatible libraries, memory leaks, slow compilation, and poor productivity. Even if you pick only a single from these shortages, it's still a big headache. However the surprising truth is that C++ remains the first choice for desktop applications. Compared to C++ Java has lots of advantages. The success in server side development shows that the language itself is good, Swing is also thought to be as programmer friendly as the highly recognized QT framework (No, never say even a single word about MFC!). All the disadvantages of C++ listed above has a solution in Java. "Performance!", Well that might still be the problem but to my experience it's a slight problem. I'd been using Java to decode some screen video and generate key frames. The video has a duration of more than 1 hour. The time spent on an average machine is just 1 minute. With C++ I don't expect even faster speed. In recent days there are many news on the JIT performance improvements, that make us feel Java is gradually becoming very suitable for desktop development, without people realizing it. Isn't it?

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• In windows 7, how do I disable "Ease of Access" pop ups on the logon screen as I am typing my password?

  - by Silfheed

  So the question is pretty much in the title. Things to note: 'Use On-Screen Keyboard' is un-checked I have disabled Ease of Access by replacing utilman.exe But my problem now is that when I'm typing my password, It'll stop all together on the 'u' or the 'p' character and I have to click on the ease of access button then move focus back to the password to continue. Yes, one obvious solution is to not use a password that has 'u' or 'p' in it (which I've done), but that's obviously not a completely satisfying answer. Thanks! I feel a tumbleweed badge...

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• connection with the application object server could not be established

  - by user44048

  Hello All, I have installed Axapta server on my Axapta(Machine name) machine. When i am going to start the axapta at that time it give error like " connection with the application object server could not be established ". Basic all the steps that i have tested like Service start restart and connection configuration. port number problem. Still i am not able to resolve a problem. please can any one tell me the solution. It's urgent please help as soon as possible. Thank you.

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• Linux/OS X dualboot on a Macbook Pro with RAID

  - by GaretJax

  I'd like to install Gentoo Linux on my Macbook Pro by keeping my current OS X installation. I currently have OS X installed on a RAID 0 on two 160GB Intel SSDs and I'd like to create a new partition for Gentoo alongside OS X without losing the RAID setup but, from what I read on the net, Apple's software RAID is poorly (read "not at all") supported: BootCamp refuses to create a windows partition on a RAID volume rEFIt is not able to boot an OS from a software RAID even Apple's recovery partition for Lion can't be created on a RAID volume Is there a way to dual boot my Macbook while keeping the RAID solution?

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• Never Bet Against the Impossible

  - by BuckWoody

  My uncle used to say “If a man tells you that his car squirts milk in his eye when you lift the hood, don’t bet against that. You’ll end up with milk in your eye.” My friend Allen White tells me this is taken from a play (and was said about playing cards), but I think the sentiment holds, even in database work. I mentioned the other day that you should allow the other person to talk and actively listen before you propose a solution. Well, I saw a consultant “bet against the impossible”  the other day – and it bit her. She explained to the person telling her the problem that the situation simply couldn’t exist that way, and he proceeded to show her that it did. She got silent, typed a few things, muttered a little, and then said “well, must be something else.” She just couldn’t admit she was wrong. So don’t go there. If someone explains a problem to you with their database, listen with purpose, and then explore the troubleshooting steps you know to find the problem. But keep your absolutes to yourself. In fact, I have a friend that has recently sent me one of those. He connects to a system with SQL Server Management Studio (SSMS) version 2008 (if I recall correctly) and it shows a certain version number of the target system in the connection tab. Then he connects to it using SSMS 2008 R2 and gets a different number. Now, as far as I know, we didn’t change the connection string information, and that’s provided by the target system, so this is impossible. But I won’t tell him that. Not until I look a little more. :) Share this post: email it! | bookmark it! | digg it! | reddit! | kick it! | live it!

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• Excel 2010: How to color the area between charts?

  - by Quasdunk

  Hello, I asked this question already on stackoverflow but it hasn't been answered yet. Instead I was advised to try it here, so here I go :) So there's that simple XY-Line-Chart in Excel (2010). It is surrounded by two other graphs which are parallel but offset by the same factor in both the positive and negative direction - something like this: ---------------- (positively offset parallel graph) ---------------- (main graph) ---------------- (negatively offset parallel graph) Now I want to color the space between the main graph and the offset ones, but I just can't seem to find a way! Is it maybe possible with VBA? Or is there maybe a solution for Excel 2007?

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• Does sphider can be a search engine for intranet ?

  - by garcon1986

  Hello, Sphinx is a kind of search engine but it should be installed on the server. But i can't install it on the server, so i have to find another solution. Actually, i have tested sphider in a small site. But when I want to integrate it in my intranet, it doesn't work. The error code: 1. Retrieving: http://localhost/XXX at 16:44:20. Updated Link To http://localhost/XXX Size of page: 1.54kb. Starting indexing at 16:44:20. Page contains less than 10 words Links found: 1. New links: 1 2. Retrieving: http://localhost/XXX.php at 16:44:20. Unreachable: http 404 Links found: 0. New links: 0 Anyone has ideas? Thanks

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• Sorting Files into Subfolders based on EXIF Date

  - by honestor

  I have a huge directory from a HDD recovery that contains 70000+ JPEG files. I tried playing around with some AppleScripts, that I found, but had no luck. I already installed EXIFtool, which might be useful for this task. The current directory structure is as follows: dir001 - file0001.jpg ... - file9999.jpg dir002 - file0001.jpg ... - file9999.jpg ... dir070 - file0001.jpg - ... - file9999.jpg The files mostly have EXIF Data, but sometimes there are Files without metadata. Now I hope to be able to sort and rename these files into folders based on the date: 1999 - 1999 01 31 - 1999_01_31_-_22_59_59.jpg 2000 - 2000 05 20 - 2000_05_20_-_21_59_59.jpg - 2000_05_20_-_22_59_59.jpg I figured Applescript/Automator might come in handy for this, however every other solution would be welcome, too!

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• How can you easily determine the textureRect for tiled maps in SFML 2.0?

  - by ThePlan

  I'm working on creating a 2d map prototype, and I've come across the rendering bit of it. I have a tilesheet with tiles, each tile is 30x30 pixels, and there's a 1px border to delimitate them. In SFML the usual method of drawing a part of a tilesheet is declaring an IntRect with the rectangle coordinates then calling the setTextureRectangle() method to a sprite. In a small game it would work, but I have well over 45 tiles and adding more every day, I can't declare 45 intRects for every material, the map is not optimized yet, it would get even worse if I would have to call the setTextureRect() method, aside from declaring 45 rectangleInts. How could I simplify this task? All I need is a very simple and flexible solution for extracting a region of the tilesheet. Basically I have a Tile class. I create multiple instances of tiles (vectors) and each tile has a position and a material. I parse a map file and as I parse it I set the materials of the map according to the parsed map file, and all I need to do is render. Basically I need to do something like this: switch(tile.getMaterial()) { case GRASS: material_sprite.setTextureRect(something); window.draw(material_sprite); break; case WATER: material_sprite.setTextureRect(something); window.draw(material_sprite); break; // handle more cases }

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• How to force Windows XP to rename a file with a special character?

  - by codeLes

  I have a song that Windows can't play because there is a question mark in the name of the file. "Where Have All the Cowboys Gone?.ogg" // as an example So I try to rename it and Windows complains whether I try it in Explorer or from command prompt. Error I get when trying to copy, rename, or move is: The Filename, directory name, or volume label syntax is incorrect Is there a Windows way to force a rename in this case? Update I'll keep an eye on this question, but after 13 answers and many attempts (aside form 3rd party solutions) it seems that Windows can't do this (or at least my windows can't, no short names). So I'm accepting the answer which was my original solution anyway of using Linux. It would be nice to see Windows handle this somehow, so don't stop just because I've accepted this answer, the question still stands!

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• How to optimize process of outlook files (*msg) conversion to .pdf?

  - by Lilly

  The aim is to convert several messages from Microsoft Outlook (2003 and/or 2007 versions) to .pdf files. Condition: One message should generate a corresponding single pdf file. If possible, pdf file should be named with date format YYYY-MM-DD (e.g. 2011-02-16.pdf). The current process, limited by softwares such as CutePDF, requires the conversion performed one message at a time. I'm looking for a solution that allows the conversion of several messages at once, but under the condition abovementioned (mainly: one message = one pdf file).

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• How to configure in crontab with condition statement for checks

  - by chz

  We like to monitor the NAS storage mounted on a linux box. We only like to be notified via mail when the usage exceeds a certain number say 80. We have only seen in linux books where most of them are calling shell scripts at certain times. How do we write inside crontab to only mail us if it exceeds 80 ? Usual eg 2 2 * * * /home/someUser/script.sh 2&1 | mail [email protected] Looking for solution like below 2 2 * * * if [ someNumber "80" ] ; then /home/someUser/script.sh | mail [email protected] Sincerely

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• Image mapping using lookup tables [on hold]

  - by jblasius

  I have an optimization problem. I'm using a look-up table to map a pixel in an image: for (uint32_t index = 0u; index < imgSize; index++) { img[ lt[ index ] ] = val; } Is there a faster way to do this, perhaps using a reinterpret_cast or something like that? I am accessing two different memory addresses, so what is the compiler doing? One solution is to do a set of reads to access adjacent memory addresses. struct mblock { uint32_t buf[10u]; }; mblock mb; for (uint32_t index = 0u; index < imgSize; index += 10u) { mb = *reinterpret_cast<mblock*>(lt + index)); for (uint8_t i = 0u; i < 10u; i ++) { mb.buf[i] += img; } for (uint8_t i = 0u; i < 10u; i ++) { *( mb.buf[i] ) = val; } } This speeds up the code because I'm separating the image access from the table look-up; the positions in the look-up table are adjacent. I still get the image access problem as it is accessing random address positions.

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• Repository query conditions, dependencies and DRY

  - by vFragosop

  To keep it simple, let's suppose an application which has Accounts and Users. Each account may have any number of users. There's also 3 consumers of UserRepository: An admin interface which may list all users Public front-end which may list all users An account authenticated API which should only list it's own users Assuming UserRepository is something like this: class UsersRepository extends DatabaseAbstraction { private function query() { return $this->database()->select('users.*'); } public function getAll() { return $this->query()->exec(); } // IMPORTANT: // Tons of other methods for searching, filtering, // joining of other tables, ordering and such... } Keeping in mind the comment above, and the necessity to abstract user querying conditions, How should I handle querying of users filtering by account_id? I can picture three possible roads: 1. Should I create an AccountUsersRepository? class AccountUsersRepository extends UserRepository { public function __construct(Account $account) { $this->account = $account; } private function query() { return parent::query() ->where('account_id', '=', $this->account->id); } } This has the advantage of reducing the duplication of UsersRepository methods, but doesn't quite fit into anything I've read about DDD so far (I'm rookie by the way) 2. Should I put it as a method on AccountsRepository? class AccountsRepository extends DatabaseAbstraction { public function getAccountUsers(Account $account) { return $this->database() ->select('users.*') ->where('account_id', '=', $account->id) ->exec(); } } This requires the duplication of all UserRepository methods and may need another UserQuery layer, that implements those querying logic on chainable way. 3. Should I query UserRepository from within my account entity? class Account extends Entity { public function getUsers() { return UserRepository::findByAccountId($this->id); } } This feels more like an aggregate root for me, but introduces dependency of UserRepository on Account entity, which may violate a few principles. 4. Or am I missing the point completely? Maybe there's an even better solution? Footnotes: Besides permissions being a Service concern, in my understanding, they shouldn't implement SQL query but leave that to repositories since those may not even be SQL driven.

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• Login-time quota for VPN users

  - by Isaac

  I have configured Routing and Remote Access Service in Windows Server 2003 as the VPN server. VPN users are defined in Active Directory which is running on this server too. How i can configure the server to give each user a limited download size (for example 1GB) and does not authenticate them when they exceeds their download quota. The VPN server should also disconnect the users that reach their quota. Update: Apparently a third-party RADIUS server could provide this feature. One solution I have found is TekRADIUS but it is commercial. FreeRADIUS is a open-source free RADIUS server but I am not sure if it could these kind of features.

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