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• SFML programs fails to debug with glslDevil

  - by Zhen

  I'm testing the glslDevil debugger with a simple (and working) SFML application in Linux + NVidia. But it always fails in the window creation step: W! Program Start | glXGetConfig(0x86a50b0, 0x86acef8, 4, 0xbf8228c4) | glXGetConfig(0x86a50b0, 0x86acef8, 5, 0xbf8228c8) | glXGetConfig(0x86a50b0, 0x86acef8, 8, 0xbf8228cc) | glXGetConfig(0x86a50b0, 0x86acef8, 9, 0xbf8228d0) | glXGetConfig(0x86a50b0, 0x86acef8, 10, 0xbf8228d4) | glXGetConfig(0x86a50b0, 0x86acef8, 11, 0xbf8228d8) | glXGetConfig(0x86a50b0, 0x86acef8, 12, 0xbf8228dc) | glXGetConfig(0x86a50b0, 0x86acef8, 13, 0xbf8228e0) | glXGetConfig(0x86a50b0, 0x86acef8, 100000, 0xbf8228e4) | glXGetConfig(0x86a50b0, 0x86acef8, 100001, 0xbf8228e8) | glXCreateContext(0x86a50b0, 0x86acef8, (nil), 1) E! Child process exited W! Program termination forced! And the code that fails: #include <SFML/Graphics.hpp> #define GL_GLEXT_PROTOTYPES 1 #define GL3_PROTOTYPES 1 #include <GL/gl.h> #include <GL/glu.h> #include <GL/glext.h> int main(){ sf::RenderWindow window{ sf::VideoMode(800, 600), "Test SFML+GL" }; bool running = true; while( running ){ sf::Event event; while( window.pollEvent(event) ){ if( event.type == sf::Event::Closed ){ running = false; }else if(event.type == sf::Event::Resized){ glViewport(0, 0, event.size.width, event.size.height); } } window.display(); } return 0; } Is It posible to solve this problem? or get around the problem to continue the gslsDevil use?.

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• How should I implement a command processing application?

  - by Nini Michaels

  I want to make a simple, proof-of-concept application (REPL) that takes a number and then processes commands on that number. Example: I start with 1. Then I write "add 2", it gives me 3. Then I write "multiply 7", it gives me 21. Then I want to know if it is prime, so I write "is prime" (on the current number - 21), it gives me false. "is odd" would give me true. And so on. Now, for a simple application with few commands, even a simple switch would do for processing the commands. But if I want extensibility, how would I need to implement the functionality? Do I use the command pattern? Do I build a simple parser/interpreter for the language? What if I want more complex commands, like "multiply 5 until >200" ? What would be an easy way to extend it (add new commands) without recompiling? Edit: to clarify a few things, my end goal would not be to make something similar to WolframAlpha, but rather a list (of numbers) processor. But I want to start slowly at first (on single numbers). I'm having in mind something similar to the way one would use Haskell to process lists, but a very simple version. I'm wondering if something like the command pattern (or equivalent) would suffice, or if I have to make a new mini-language and a parser for it to achieve my goals?

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• In the Aggregate: How Will We Maintain Legacy Systems?

  - by Jim G.

  NEW YORK - With a blast that made skyscrapers tremble, an 83-year-old steam pipe sent a powerful message that the miles of tubes, wires and iron beneath New York and other U.S. cities are getting older and could become dangerously unstable. July 2007 Story About a Burst Steam Pipe in Manhattan We've heard about software rot and technical debt. And we've heard from the likes of: "Uncle Bob" Martin - Who warned us about "the consequences of making a mess". Michael C. Feathers - Who gave us guidance for 'Working Effectively With Legacy Code'. So certainly the software engineering community is aware of these issues. But I feel like our aggregate society does not appreciate how these issues can plague working systems and applications. As Steve McConnell notes: ...Unlike financial debt, technical debt is much less visible, and so people have an easier time ignoring it. If this is true, and I believe that it is, then I fear that governments and businesses may defer regular maintenance and fortification against hackers until it is too late. [Much like NYC and the steam pipes.] My Question: Do you share my concern? And if so, is there a way that we can avoid the software equivalent of NYC and the steam pipes?

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• How to add locale aware CSS to an individual component in ADF Faces.

  - by [email protected]

  When creating a skin in ADF Faces, it's (relatively) easy to add locale aware CSS using the :rtl psuedo-class on the end of a skinning key.  Example:af|inputListOfValues::content {  padding-left: 3px;}af|inputListOfValues::content:rtl {  padding-left: 0px;  padding-right: 3px;}In this example, we want some padding before the start of the text in the content element of the component.  In right to left locales, the start of the text is on the right side by default, so we need to change the padding from the left to the right.Let's say, however, that you want to specify a locale aware CSS style on an individual component using the contentStyle attribute.  There is a handy ADF Faces EL function to help you out here: isRTL.  For our example, let's say we want an inputText component whose text content is 'end' aligned.  If you weren't considering RTL locales, you could code this as:<af:inputText id="idInputTextRight" label="right aligned" value="Test"                    contentStyle="text-align: right;"/>This, however, will be right aligned regardless of locale. This is where isRTL() comes to the rescue.  This is how we would code this to be locale aware:<af:inputText id="idInputTextEnd" label="end aligned" value="Test"                     contentStyle="text-align: #{af:isRTL()?'left':'right'};"/> The af:isRTL() EL function returns true if we are rendering in RTL, so we can use it to pick the appropriate text alignment.

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• Will disk cloning resolve bad stripes on RAID?

  - by user13323

  Hi. We have a logical RAID1 drive in bad stripes state, which kept that status even after replacement and rebuilding of both drives, and gives errors in Windows logs about failure of writing to disk. IBM support suggests erasing and re-creating the RAID, then re-installing the Windows. The resulting down-time unacceptible for us, so we want to clone the RAID (via Acronis True Image), erase and re-create the RAID, then dump the cloned data back. Following IBM logic where RAID erasing and re-creation resets the whole RAID meta-data, this should clear the bad-stripes status, and start from a blank page. Question is if such strategy is possible, and will produce the desired effect? Any idea is appreciated - thanks in advance!

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• XNA - Error while rendering a texture to a 2D render target via SpriteBatch

  - by Jared B

  I've got this simple code that uses SpriteBatch to draw a texture onto a RenderTarget2D: private void drawScene(GameTime g) { GraphicsDevice.Clear(skyColor); GraphicsDevice.SetRenderTarget(targetScene); drawSunAndMoon(); effect.Fog = true; GraphicsDevice.SetVertexBuffer(line); effect.MainEffect.CurrentTechnique.Passes[0].Apply(); GraphicsDevice.DrawPrimitives(PrimitiveType.TriangleStrip, 0, 2); GraphicsDevice.SetRenderTarget(null); SceneTexture = targetScene; } private void drawPostProcessing(GameTime g) { effect.SceneTexture = SceneTexture; GraphicsDevice.SetRenderTarget(targetBloom); spriteBatch.Begin(SpriteSortMode.Immediate, BlendState.Opaque, null, null, null); { if (Bloom) effect.BlurEffect.CurrentTechnique.Passes[0].Apply(); spriteBatch.Draw( targetScene, new Rectangle(0, 0, Window.ClientBounds.Width, Window.ClientBounds.Height), Color.White); } spriteBatch.End(); BloomTexture = targetBloom; GraphicsDevice.SetRenderTarget(null); } Both methods are called from my Draw(GameTime gameTime) function. First drawScene is called, then drawPostProcessing is called. The thing is, when I run this code I get an error on the spriteBatch.Draw call: The render target must not be set on the device when it is used as a texture. I already found the solution, which is to draw the actual render target (targetScene) to the texture so it doesn't create a reference to the loaded render target. However, to my knowledge, the only way of doing this is to write: GraphicsDevice.SetRenderTarget(outputTarget) SpriteBatch.Draw(inputTarget, ...) GraphicsDevice.SetRenderTarget(null) Which encounters the same exact problem I'm having right now. So, the question I'm asking is: how would I render inputTarget to outputTarget without reference issues?

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• Spring Roo Database Reverse Engineer with Oracle

  - by kerry

  So you are trying to reverse engineer an Oracle database with roo? Unfortunately, due to licensing restrictions with the Oracle JDBC Drivers, this is a little difficult. There are a few blog posts and forum threads that address the problem but I figured I would post what worked for me here. First, you need to download the appropriate Oracle Drivers from Oracle. The required login, stringent password requirements, nosy registration form, and general system instability made this a pretty painful step for me. I’d also like to say that companies that have password requirements that don’t allow symbols (or any other non-standard requirement) have a special place in my heart. Having to recover my password every time I go to your site virtually guarantees I will only go there when I absolutely have to (not often). Anyways, once you have it downloaded you need to install is with maven: mvn install:install-file -Dfile=~/Downloads/ojdbc6.jar -DgroupId=com.oracle -DartifactId=ojdbc6 -Dversion=11.2.0.3 -Dpackaging=jar -DgeneratePom=true Here comes the fun part. You need to create an osgi wrapper for the driver to install it in roo. Otherwise, roo cannot see the driver. Create a new folder and put the contents of the oracle roo addon pom gist I created. Now build it with maven. You may want to change some of the artifact ids and dependencies for your particular situation. mvn package No open a roo shell and execute the following command: osgi install --url file:///Users/me/my-osgi-project/target/the-jar-it-built.jar Now run (in roo): jpa setup --provider HIBERNATE --database ORACLE dependency remove --groupId com.oracle --artifactId ojdbc14 --version 10.2.0.2 dependency add --groupId com.oracle --artifactId ojdbc6 --version 11.2.0.3 database properties set --key database.driverClassName --value oracle.jdbc.OracleDriver database properties set --key database.url --value jdbc:oracle:thin:@%YOUR_CONNECTION_INFO% database properties set --key database.username --value %YOUR_USERNAME% database properties set --key database.password --value %YOUR_PASSWORD% database reverse engineer --schema %YOUR_SCHEMA% --package ~.domain If you have any package loading exceptions when running the reverse engineer command you can uninstall the osgi bundle, set the package to optional in the osgi pom in the IncludedPackages tag (javax.some.package.*;resolution:=optional) rebuild, then reinstall in roo.

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• Is it possible to download minimal drivers on Windows, without the extra software packages?

  - by Anton Gogolev

  The situation in all its glory: 30 megs for ATIs' "Display Driver Only". Almost 100 megs for NVidias' GeForce/Ion bloatware. 300 megs for an HP printer driver with immense amount of crap 30 megs for a Realtek integrated sound card driver. 50 megs for a mouse driver ...and dozens and dozens of other similar examples Additinally, UI/UX on vendors' sites is really terrible: I have to carefully pick and choose the exact model of my whatever, although this packages do contain drivers for pretty much every possible hardware model out there. My question is: How and where can I download true minimal drivers without all these ATI "Installation Managers", Realtek GUIs, ASUS tools, etc.?

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• XNA and C# vs the 360's in order processor

  - by Richard Fabian

  Having read this rant, I feel that they're probably right (seeing as the Xenon and the CELL BE are both highly sensitive to branchy and cache ignorant code), but I've heard that people are making games fine with C# too. So, is it true that it's impossible to do anything professional with XNA, or was the poster just missing what makes XNA the killer API for game development? By professional, I don't mean in the sense that you can make money from it, but more in the sense that the more professional games have phsyics models and animation systems that seem outside the reach of a language with such definite barriers to the intrinsics. If I wanted to write a collision system or fluid dynamics engine for my game, I don't feel like C# offers me the chance to do that as the runtime code generator and the lack of intrinsics gets in the way of performance. However, many people seem to be fine working within these constraints, making their successful games but seemingly avoiding any of the problems by omission. I've not noticed any XNA games do anything complex other than what's already provided by the libraries, or handled by shaders. Is this avoidance of the more complex game dynamics because of teh limitations of C#, or just people concentrating on getting it done? In all honesty, I can't believe that AI war can maintain that many units of AI without some data oriented approach, or some dirty C# hacks to make it run better than the standard approach, and I guess that's partly my question too, how have people hacked C# so it's able to do what games coders do naturally with C++?

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• Skipping hardlinks when using TSM Backup

  - by Lars Haugseth

  We need to backup a filesystem with lots of hardlinks. Since there are several hardlinks for each "true" file, we would like to skip all the hardlinks when backing up the filesystem to avoid n exact copies of each file. The backup is done using Tivoli Storage Manager Backup, and we've been unable to get it to treat hardlinks as anything other than separate files to be backed up alongside each other. In case it's relevant for possible solutions, I'd like to note that it's possible to tell a hardlink from a proper file by the filename: foobarbaz-123.ext # file foobarbaz-123-1.ext # hardlink foobarbaz-123-2.ext # hardlink barbazfoo-456.ext # file barbazfoo-456-1.ext # hardlink barbazfoo-456-2.ext # hardlink barbazfoo-456-3.ext # hardlink That is, all hardlinks have two hyphens in the filename, where as proper files have just the one. The server is running Ubuntu Linux, and the files are situated on a gfs volume on our SAN.

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• Use netcat as a proxy to log traffic

  - by deephacks

  I want to use netcat as a proxy to log http requests and responses to files, then tail these to inspect traffic. Think wireshark. Tried the following where 'fifo' is a named pipe, 'in' and 'out' are files, netcat proxy on port 8080, server on port 8081. while true; do cat fifo | nc -l -p 8080 | tee -a in | nc localhost 8081 | tee -a out 1fifo; done Problems: Netcat stop responing after first request (while loop ignored?). Netcat fails with msg localhost [127.0.0.1] 8081 (tproxy) : Connection refused if server unavailable on 8081. Question: Is it possible to "lazily" connect to 8081 when request is made? I.e. I do not want to have 8081 running when netcat is started.

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• Oracle Java Cloud Service - Platform as a Service for Your Java Applications

  - by GeneEun

  Oracle Java Cloud Service is an enterprise grade Platform as a Service for developing, testing, and deploying business applications. For Java developers, Java Cloud Service provides the power, flexibility, and performance of a true Java EE container in the cloud. Java Cloud Service delivers one of the key advantages of the Java platform, the ability to “write once, run anywhere”. Because of the standards-based approach, there's no need to worry that applications you build and deploy are forever locked into the Oracle Cloud.  In fact, you can use Java Cloud Service just as you would an on-premise Java EE environment and deploy your Java applications on a Java Cloud Service instance as-is. Provisioning of Java Cloud Service instances is self-service and takes only minutes, making access to Java environments both quick and easy. Java Cloud Service instances are also automatically associated with Oracle Database Cloud Service instances, so there's no complex setup involved in order to get a complete application environment up and running.If you're attending Oracle OpenWorld in San Francisco this week, I'm sure you've seen that there are many sessions covering Oracle Cloud services, including Java Cloud Service. Each session will provide a wealth of information, so I highly recommend you consult your conference schedule and try to check them out. In the meantime, here's a short video about Java Cloud Service. Enjoy!

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• How good is PDF password protection?

  - by Tim

  It appears that Word's password protection is not really good, at least until Office 2003, if I read this SU entry correctly. I'm under the impression that Acrobat's PDF password protection should be better (it says 128-bit AES for Acrobat 7 and higher). Is that true? Of course, it depends on the strength of the password used, but assuming I protect my PDF with a password like sd8Jf+*e8fh§$fd8sHä, am I on the safe side? Like, say, for sending confidential patient information - not really valuable, but potentially highly sensitive.

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• Winxp system context menus blank after last security update

  - by Peter Rowell

  Because of a CERT advisory of several out-of-band security updates released by MS I did a Critical Updates pass on my WinXP Pro SP3 machine. I now have the situation where it seems that all of my WinXP-generated menus come up with all items black. If I wave the cursor over the menu, the items will update as they become active (go blue) and then update correctly (to black-text-on-white-background) as they go non-active. Separators (which never get a hover event) stay black. App-level context menus seem to work fine (Firefox, OpenOffice, etc.) with the exception of Windows Explorer and Internet Explorer, which both exhibit this behavior on both their context menus and on their menu bar drop down menus. I'm assuming that's true because they are all using the same library code. Thoughts? Fixes? Help!

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• Box Collider isn't rotating with Game Object

  - by pek

  I have a method that creates a room by instantiating a prefab, places it in a grid and the re-sizes the collider based on a room definition (location in grid, rotation, width and height). Here is the method: public void CreateRoom(RoomAction action) { GameObject roomGameObject = Instantiate(this.roomPrefab, Vector3.zero, action.RoomPrefab.transform.rotation) as GameObject; roomGameObject.transform.parent = this.transform; roomGameObject.transform.localPosition = new Vector3(action.MansionOffsetX, 0, -action.MansionOffsetY) * this.blockSize; roomGameObject.transform.localPosition += new Vector3((action.Room.Width * this.blockSize) / 2, 0, -((action.Room.Height * this.blockSize) / 2)); BoxCollider roomCollider = roomGameObject.GetComponent<BoxCollider>(); roomCollider.isTrigger = true; roomCollider.center = new Vector3(0, this.height / 2, 0); roomCollider.size = new Vector3(action.Room.Width * this.blockSize, this.height, action.Room.Height * this.blockSize); roomGameObject.transform.RotateAroundLocal(roomGameObject.transform.up, Mathf.Deg2Rad * -90 * action.Rotation); } The problem I'm having is that, while the room rotates correctly, but for some reason, the collider isn't rotating with the game object. Here is a screenshot: Any idea on what am I doing wrong?

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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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• Editing sudoers file to restrict a user's commands

  - by devin

  Is it possible to edit the sudoers file so a user can use sudo for any command except for a specified one? I reverse is true, I believe, that the sudoers file can be setup so that a user can only execute a given list of commands. EDIT: the commands I really want to take away are halt and reboot... this makes me think there are special system calls for halt and reboot. Can you take system calls away from a user? If not, is it because the unix permission system abstracts over system calls neglecting this?

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• sending php mail from localhost

  - by SimplySimon

  I have installed php, mySQL, postfix and sendmail and have set up a simple email script on my local host server. mail() returns 1 (TRUE) when I send an e-mail, however the email does not arrive at the destination. Installation The mail functions are part of the PHP core. There is no installation needed to use these functions. Requirements For the mail functions to be available, PHP requires an installed and working email system. The program to be used is defined by the configuration settings in the php.ini file. Runtime Configuration The behavior of the mail functions is affected by settings in the php.ini file. Mail configuration options: Name Default Description Changeable sendmail_path NULL Unix systems only: Specifies where the sendmail program can be found (usually /usr/sbin/sendmail or /usr/lib/sendmail) PHP_INI_SYSTEM I found it at /usr/lib/sendmail however, I can not find the configuration file, which is where I assume my problem is, as I have not told anything which server I am using to send my mail through. If anyone can help me I would be grateful.

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• How can I exceed the 60% Memory Limit of IIS7

  - by evilknot

  Pardon if this is more stackoverflow vs. serverfault. It seems to be on the border. We have an application that caches a large amount of product data for an e-commerce application using ASP.NET caching. This is a dictionary object with 65K elements, and our calculations put the object's size at ~10GB. Problem: The amount of memory the object consumes seems to be far in excess of our 10GB calculation. BIGGEST CONCERN: We can't seem to use over 60% of the 32GB in the server. What we've tried so far: In machine.config/system.web (sf doesn't allow the tags, pardon the formatting): processModel autoConfig="true" memoryLimit="80" In web.config/system.web/caching/cache (sf doesn't allow the tags, pardon the formatting): privateBytesLimit = "20000000000" (and 0, the default of course) percentagePhysicalMemoryUsedLimit = "90" Environment: Windows 2008R2 x64 32GB RAM IIS7 Nothing seems to allow us to exceed the 60% value. See attached screenshot of taskman.

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• In Visio 2010, how can I create a mandatory, non-identifying relationship between two database tables

  - by Cam Jackson

  I'm working in MS Visio 2010. This is the relevant part of my ERD: The relationship between Event and Adventure is correct: there's a foreign key from Event to Adventure, and that FK is part of Event's primary key. However, what I can't figure out is how to make the relationship line from Adventure to AccomodationType be the same, without making that relationship part of the PK of adventure. When I look at the 'Miscellaneous' properties of that relationship line, I want it to be: Cardinality: Zero or more Relationship type: Non-identifying Child has parent: Not optional (mandatory) But the checkbox for the third property is greyed out, and toggles between True/False as I make the relationship Non-identifying/Identifying. The only way I could figure out was to disconnect the two columns, from the 'Definition' tab, which then un-grey's the 'Optional' checkbox, but then I lose the foreign key property on the accomType column, and while the relationship symbols are correct, the line remains dotted. Any ideas, anyone?

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• Is there any reason not to go directly from client-side Javascript to a database?

  - by Chris Smith

  So, let's say I'm going to build a Stack Exchange clone and I decide to use something like CouchDB as my backend store. If I use their built-in authentication and database-level authorization, is there any reason not to allow the client-side Javascript to write directly to the publicly available CouchDB server? Since this is basically a CRUD application and the business logic consists of "Only the author can edit their post" I don't see much of a need to have a layer between the client-side stuff and the database. I would simply use validation on the CouchDB side to make sure someone isn't putting in garbage data and make sure that permissions are set properly so that users can only read their own _user data. The rendering would be done client-side by something like AngularJS. In essence you could just have a CouchDB server and a bunch of "static" pages and you're good to go. You wouldn't need any kind of server-side processing, just something that could serve up the HTML pages. Opening my database up to the world seems wrong, but in this scenario I can't think of why as long as permissions are set properly. It goes against my instinct as a web developer, but I can't think of a good reason. So, why is this a bad idea? EDIT: Looks like there is a similar discussion here: Writing Web "server less" applications EDIT: Awesome discussion so far, and I appreciate everyone's feedback! I feel like I should add a few generic assumptions instead of calling out CouchDB and AngularJS specifically. So let's assume that: The database can authenticate users directly from its hidden store All database communication would happen over SSL Data validation can (but maybe shouldn't?) be handled by the database The only authorization we care about other than admin functions is someone only being allowed to edit their own post We're perfectly fine with everyone being able to read all data (EXCEPT user records which may contain password hashes) Administrative functions would be restricted by database authorization No one can add themselves to an administrator role The database is relatively easy to scale There is little to no true business logic; this is a basic CRUD app

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• Bash preexecute

  - by Alex_Bender

  I'm trying to write bash command wrapper, which will be patch bash current command on the fly. But i'm faced with the problem. As i'm not a good Shell user, i can't write right expression of variable assignment in string. See bellow: I'm set trap to preexecute, through this: alex@bender:~$ trap "caller >/dev/null || xxx \"\${BASH_COMMAND}"\" DEBUG; I want change variable BASH_COMMAND, do something like BASH_COMMAND=xxx ${BASH_COMMAND} but i don't know, how i need escaping variables in this string NOTE: xxx -- my custom function, which must return some value, if in end of command situated word teststr function xxx(){ # find by grep, if teststr in the end `echo "$1" | grep "teststr$" >/dev/null`; # if true ==> do if [ "$?" == "0" ]; then # cut last 6 chars (len('teststr')==6) var=`echo "$1" | sed 's/......$//'`; echo "$var"; fi } How can i do this stuff?: alex@bender:~$ trap "caller >/dev/null || ${BASH_COMMAND}=`xxx $BASH_COMMAND`" DEBUG;

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• Oracle licensing /pricing ?

  - by Quandary

  Question: I'd like to download Oracle 11g database for evaluation purposes. Now I found this link for downloads: http://www.oracle.com/technetwork/database/enterprise-edition/downloads/index.html But it says one must register 'for accessing premium contents'. But in the same time, it looks like one can download the full database for free. But surely, Oracle doesn't give it for free, but in the registration, there's no mention of any cost/fees, or any billing address. Is this registration free, or as 'premium' suggests, will you get a bill for it if you do (supposed you enter true data) ? Or how does Oracle handle licensing/payment ? I can not see any price tag there anywhere, nor any information on it on that registration page.

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• IIS7 FTP Setup - An error occured during the authentication process. 530 End Login failed

  - by robmzd

  I'm having a problem very similar to IIS 7.5 FTP IIS Manager Users Login Fail (530) on Windows Server 2008 R2 Standard. I have created an FTP site and IIS Manager user but am having trouble logging in. I could really do with getting this working with the IIS Manager user rather than by creating a new system user since I'm fairly restricted with those accounts. Here is the output when connecting locally through command prompt: C:\Windows\system32>ftp localhost Connected to MYSERVER. 220 Microsoft FTP Service User (MYSERVER:(none)): MyFtpLogin 331 Password required for MyFtpLogin. Password: *** 530-User cannot log in. Win32 error: Logon failure: unknown user name or bad password. Error details: An error occured during the authentication process. 530 End Login failed. I have followed the guide to configure ftp with iis manager authentication in iis 7 and Adding FTP Publishing to a Web Site in IIS 7 Things I have done and checked: The FTP Service is installed (along with FTP Extensibility). Local Service and Network Service have been given access to the site folder Permission has been given to the config files Granted read/write permissions to the FTP Root folder The Management Service is installed and running Enable remote connections is ticked with 'Windows credentials or IIS manager credentials' selected The IIS Manager User has been added to the server (root connection in the IIS connections branch) The new FTP site has been added IIS Manager Authentication has been added to the FTP authentication providers The IIS Manager user has been added to the IIS Manager Permissions list for the site Added Read/Write permissions for the user in the FTP Authorization Rules Here's a section of the applicationHost config file associated with the FTP site <site name="MySite" id="8"> <application path="/" applicationPool="MyAppPool"> <virtualDirectory path="/" physicalPath="D:\Websites\MySite" /> </application> <bindings> <binding protocol="http" bindingInformation="*:80:www.mydomain.co.uk" /> <binding protocol="ftp" bindingInformation="*:21:www.mydomain.co.uk" /> </bindings> <ftpServer> <security> <ssl controlChannelPolicy="SslAllow" dataChannelPolicy="SslAllow" /> <authentication> <basicAuthentication enabled="true" /> <customAuthentication> <providers> <add name="IisManagerAuth" enabled="true" /> </providers> </customAuthentication> </authentication> </security> </ftpServer> </site> ... <location path="MySite"> <system.ftpServer> <security> <authorization> <add accessType="Allow" users="MyFtpLogin" permissions="Read, Write" /> </authorization> </security> </system.ftpServer> </location> If I connect to the Site (not FTP) from my local IIS Manager using the same IIS Manager account details then it connects fine, I can browse files and change settings as I would locally (though I don't seem to have an option to upload files). Trying to connect via FTP though either through the browser or FileZilla etc... gives me: Status: Resolving address of www.mydomain.co.uk Status: Connecting to 123.456.12.123:21... Status: Connection established, waiting for welcome message... Response: 220 Microsoft FTP Service Command: USER MyFtpLogin Response: 331 Password required for MyFtpLogin. Command: PASS ********* Response: 530 User cannot log in. Error: Critical error Error: Could not connect to server I have tried collecting etw traces for ftp sessions, in the logs I get a FailBasicLogon followed by a FailCustomLogon, but no other info: FailBasicLogon SessionId={cad26a97-225d-45ba-ab1f-f6acd9046e55} | ErrorCode=0x8007052E StartCustomLogon SessionId={cad26a97-225d-45ba-ab1f-f6acd9046e55} | LogonProvider=IisManagerAuth StartCallProvider SessionId={cad26a97-225d-45ba-ab1f-f6acd9046e55} | provider=IisManagerAuth EndCallProvider SessionId={cad26a97-225d-45ba-ab1f-f6acd9046e55} EndCustomLogon SessionId={cad26a97-225d-45ba-ab1f-f6acd9046e55} FailCustomLogon SessionId={cad26a97-225d-45ba-ab1f-f6acd9046e55} | ErrorCode=0x8007052E FailFtpCommand SessionId={cad26a97-225d-45ba-ab1f-f6acd9046e55} | ReturnValue=0x8007052E | SubStatus=ERROR_DURING_AUTHENTICATION In the normal FTP logs I just get: 2012-10-23 16:13:11 123.456.12.123 - 123.456.12.123 21 ControlChannelOpened - - 0 0 e2d4e935-fb31-4f2c-af79-78d75d47c18e - 2012-10-23 16:13:11 123.456.12.123 - 123.456.12.123 21 USER MyFtpLogin 331 0 0 e2d4e935-fb31-4f2c-af79-78d75d47c18e - 2012-10-23 16:13:11 123.456.12.123 - 123.456.12.123 21 PASS *** 530 1326 41 e2d4e935-fb31-4f2c-af79-78d75d47c18e - 2012-10-23 16:13:11 123.456.12.123 - 123.456.12.123 21 ControlChannelClosed - - 0 0 e2d4e935-fb31-4f2c-af79-78d75d47c18e - If anyone has any ideas than I would be very grateful to hear them. Many thanks.

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• python Velocity control of the player, why doesn't this work?

  - by Dominic Grenier

  I have the following code inside a while True loop: if abs(playerx) < MAXSPEED: if moveLeft: playerx -= 1 if moveRight: playerx += 1 if abs(playery) < MAXSPEED: if moveDown: playery += 1 if moveUp: playery -= 1 if moveLeft == False and abs(playerx) > 0: playerx += 1 if moveRight == False and abs(playerx) > 0: playerx -= 1 if moveUp == False and abs(playery) > 0: playery += 1 if moveDown == False and abs(playery) > 0: playery -= 1 player.x += playerx player.y += playery if player.left < 0 or player.right > 1000: player.x -= playerx if player.top < 0 or player.bottom > 600: player.y -= playery The intended result is that while an arrow key is pressed, playerx or y increments by one at every loop until it reaches MAXSPEED and stays at MAXSPEED. And that when the player stops pressing that arrow key, his speed decreases. Until it reaches 0. To me, this code explicitly says that... But what actually happens is that playerx or y keeps incrementing regardless of MAXSPEED and continues moving even after the player stops pressing the arrow key. I keep rereading but I'm completely baffled by this weird behavior. Any insights? Thanks.

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