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• Checking server load with PHP and taking appropriate action

  - by teehoo

  Hi, I'm creating a project in which a server receives operations from clients to apply to a local server document. The server and client both share the same document and therefore each message the client sends contains an MD5 hash, which the server compares to after generating its own hash to ensure the server and client documents are synchronized. My question is, if the server is overloaded, could I somehow detect this in PHP, which would in turn let me decide whether I want to execute the hash generation function or not? Perhaps in the scenario defined, this is not a perfect use-case, but I'm interested in this approach in general.

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• Store and create game objects at positions along terrain

  - by Alex

  I have a circular character that rolls down terrain like that shown in the picture below. The terrain is created from an array holding 1000 points. The ground is drawn one screen width infront and one screen width behind. So as the character moves, edges are created infront and edges are removed behind. My problem is, I want to create box2d bodies at certain locations along the path and need a way to store these creator methods or objects. I need some way to store a position at which they are created and some pointer to a function to create them, once the character is in range. I guess this would be an array of some sort that is checked each time the ground is updated and then if in range, the function is executed and removed from the array. But I'm not sure if its even possible to store pointers to functions with parameters included... any help is much appreciated!

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• SQL server 2055 remote connection problem, cannot solve it help please thank you

  - by user287745

  note:- if this question does not fit this site please do not just close it but also redirect the question to the fitting sister site, thank you" the steps taken and the error are mentioned please help, i am stuck here! installed sql server 2005 express on both computers installed sql server management studio express on both computers ran each management studio and connect to instance sqlserver using windows authentication ( one computer connection example "A-63A9D4D7E7834\SQLEXPRESS" ) created a database in the databases named as "test1" created a few tables with data saved and exit. did everything what this site says " How to configure SQL Server 2005 to allow remote connections" [add h t t p here as spam prevention] ://support.microsoft.com/kb/914277/en-us" but i have just disable the firewalls completely :turn off connecting to A-63A9D4D7E7834 started "SQL Server Management Studio Express" on computer A-63A9D4D7E7834 sever name: "ALL-E425BE6C41D\SQLEXPRESS" authentication: "windows authentication" and CONNECT I GET THE FOLLOWING ERROR Cannot connect to ALL-E425BE6C41D\SQLEXPRESS. ADDITIONAL INFORMATION: Login failed for user 'ALL-E425BE6C41D\Guest'. (Microsoft SQL Server, Error: 18456) For help, click: http://go.microsoft.com/fwlink?ProdName=Microsoft+SQL+Server&EvtSrc=MSSQLServer&EvtID=18456&LinkId=20476 BUTTONS: OK HELP

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• Frame Buffer Objects vs calling TexCoord2f?

  - by sensae

  I'm learning the basics of OpenGL with lwjgl currently, and following a guide I've got textured quads that can move around a scene. I've been reading about Frame Buffer Objects, and I'm not really clear on their purpose and their benefit. My understanding is that I'll create a FBO with the texture I'd like, load the FBO, draw a quad, then unload the FBO. What would the technique I'm currently doing for texture management be called, and how does it differ from using FBOs? What are the benefits to using FBOs? How does it fit into the grand rendering scheme of things?

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• Remote Server access/login problem

  - by shamim

  My OS is Windows Server 2008 Enterprise. I have installed SqlServer 2008. In network i want to access Other users Server,i have already enable remote access,when i try to login show bellow error **Connection can not TITLE: Connect to Server ------------------------------ Cannot connect to TECHNO009. ------------------------------ ADDITIONAL INFORMATION: Login failed for user 'TECHNO009\Guest'. (Microsoft SQL Server, Error: 18456) For help, click: http://go.microsoft.com/fwlink?ProdName=Microsoft+SQL+Server&EvtSrc=MSSQLServer&EvtID=18456&LinkId=20476 ------------------------------ BUTTONS: OK ------------------------------** Several times i try to connect as windows and sqlServer Authentication mode.But i failed,Other users also try to connect with my server they also failed and get the same message. Why error occur ,How to solve it?

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• Working out of a vertex array for destrucible objects

  - by bobobobo

  I have diamond-shaped polygonal bullets. There are lots of them on the screen. I did not want to create a vertex array for each, so I packed them into a single vertex array and they're all drawn at once. | bullet1.xyz | bullet1.rgb | bullet2.xyz | bullet2.rgb This is great for performance.. there is struct Bullet { vector<Vector3f*> verts ; // pointers into the vertex buffer } ; This works fine, the bullets can move and do collision detection, all while having their data in one place. Except when a bullet "dies" Then you have to clear a slot, and pack all the bullets towards the beginning of the array. Is this a good approach to handling lots of low poly objects? How else would you do it?

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• How do I install oracle jdk 7 on ubuntu server 12.04?

  - by Muhammad Sholihin

  Folks, I'm new in ubuntu server. As I understand it, Oracle retired the Operating System Distributor's License for Java, meaning that Canonical could no longer include the JDK or JRE in their APT repositories. This means no more "sudo apt-get install sun-java-whatever". I just following this tutorial and other question but i still can't installing the jdk. How do I install oracle jdk 7 on ubuntu server 12.04? Thanks in advance

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• Powershell - Select the values of one property on all objects of an array

  - by Sylvain Reverdy

  Sorry, I'm still a noob on Powershell and I could not find an answer on Internet... Let's say we have an array of objects $objects. Let's say these objects have a "Name" property. This is what I want to do $results = @() $objects | %{ $results += $_.Name } this works but can it be done on a better way? If I do something like : $results = objects | Select Name $results is an array of objects having a Name property. I want $results to contain an array of Names So, is there a better way ? Thx a lot

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• How to deal with characters picking up and dropping objects in a 2D game

  - by pm_2

  I'm quite new to game development, so would like to get a consensus on methods of doing this. My game features a 2D character that is able to pick up and drop objects, for example, a stick. My question is: is it advisable / possible to manipulate the image of the character and image of the stick to make it look like the character is now carrying a stick; or is it best to have a separate sprite sheet for the character with the stick and the character without? EDIT: To be clear - I have a lot of characters, with a few items (4 separate items and over 20 characters)

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• Get Back into SQL Server After You've Locked Yourself Out

  Someone, while locking down the SQL Server, removed the permissions by which the DBAs came in and administered the server. As a result, we cannot get back into SQL Server. How can we restore our access to SQL Server? Check out this tip to find out. The Future of SQL Server Monitoring "Being web-based, SQL Monitor enables you to check on your servers from almost any location" Jonathan Allen.Try SQL Monitor now.

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• How often should multiplayer games communicate with the server?

  - by Bane

  I once heard that Runescape "ticks" every 0.3s, and that seemed like a very long period of time, although Runescape is kind of a slow game. I'm building a more dynamic top-down shooter game, and I'm wandering, how often should I communicate with the server? ASAP, or every 0.1s? How do shooter games usually do it? Both the server and the client are written in Javascript, node.js and socket.io are being used.

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• SQL Server instead of MYSQL in WAMP

  - by Vish

  Hi, We have an application which uses WAMP server. Now, there is a new requirement from a customer who wants to use MS SQL Server instead of MySQL. How easy is it to port to SQL Server from MySQL. Also it has to retain this configuration. Apache-PHP-SQL Server on windows. How can I connect from Apache to SQL Server. Hope PHP works well with SQL server. Please advise. Thanks, Vish

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• Build multiple executables with small changes in objects

  - by Morgoth

  Consider the following Makefile COMP = compiler OBJECTS = file1 \ file2 \ file3 \ file4 \ file5_suffix \ file6 \ file7 \ file8 \ file9_suffix \ file10 all: $(OBJECTS) $(COMP) $(OBJECTS) -o bin/executable_suffix Is there an easy way to compile multiple executables for different values of suffix? For example, the equivalent of COMP = compiler OBJECTS1 = file1 \ file2 \ file3 \ file4 \ file5_s1 \ file6 \ file7 \ file8 \ file9_s1 \ file10 OBJECTS2 = file1 \ file2 \ file3 \ file4 \ file5_s2 \ file6 \ file7 \ file8 \ file9_s2 \ file10 all: $(OBJECTS1) $(OBJECTS2) $(COMP) $(OBJECTS1) -o bin/executable_s1 $(COMP) $(OBJECTS2) -o bin/executable_s2 but without redefining the whole list of objects? In the real life case I am dealing with, there might be 50+ objects and a dozen binaries to build, with only small changes between the object list each time, so it would be nice not to have to list all the objects each time.

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• Proxy Client for Ubuntu

  - by WindowsEscapist

  I want to use a proxy for web browsing similar to Ultrasurf for Windows. I've tried to use TOR, but it isn't working! The problem is whenever I search something along the lines of "ubuntu + linux proxy", sites assume that I want to set up a proxy server rather than use one. I just want something with little to no configuration needed (i.e. I don't have my own proxy server). UltraSurf is a free software which enables users inside countries with heavy Internet censorship to visit any public web sites in the world safely and freely. Users in countries without internet censorship also use it to protect their internet privacy and security.

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• Java graphic objects as in flashgames

  - by Ryu Kajiya

  How is it possible (with the standard Java2D engine) to use small sprites like graphic objects? For those who don't know what I mean, in all those Flash-games like on Facebook they put small sprites on the screen which react to mouse-over and clicks. I tried to do the same in Java but can't find a good method. Swing components always spread over the whole bitmap, but I only want to get a reaction from the object when the mouse is over a pixel that's not transparent. So basically checking every time if the object below the mouse contains a non-transparent pixel (which i believe could be pretty intense in a gameloop or repaint loop). I have no idea how to implement such a thing efficiently.

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• Connecting PHP Server and Android?

  - by user3439988

  I am trying to create a simple test application to transfer data back and forth between my server and Android device. The following are the things I aim for: Ability to upload data and files to the server. To be able to view my files on the server. To be able to download the files from the server to my android device. Ability of the server to send me updates on the files or notifications to my phone. I need a safe and secure way to do these things. I have tried these: HTTPPost requests onto the server and echoing the output accordingly and capturing the HTTPresponse and parsing it. For files I have tried using MultipartEntity, but I think that has been deprecated.

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• WCF operationcontract with List type unavailable in (Silverlight) client

  - by Dave

  This is the first time I have tried returning a List of data to a Silverlight client, so I'm having trouble getting the client to recognize this operationcontract. All others are fine. I have a method on the server called ReadOwFileData that needs to return a List. ReadOwFileDataCompletedEventArgs shows up in the Object Browser in the client, but not ReadOwFileDataAsync. What I want is similar to the tutorial here. The Dictionary collection type on the client is set to System.Collections.Generic.List. I tried deleting and recreating the service reference. Web.Config on the server is using basicHttpBinding. Here is the operationcontract on the server: [OperationContract] public List<OwFileData> ReadOwFileData(string OrderID) { DataClasses1DataContext db = new DataClasses1DataContext(); var dFileData = (from p in db.OwFileDatas where p.OrderID == OrderID select p).ToList(); List<OwFileData> x = new List<OwFileData>(dFileData); return x; } Incidently, this works fine: [OperationContract] public Customer GetShippingAndContactInfo(string login, string ordernum) { DataClasses1DataContext db = new DataClasses1DataContext(); Customer dInfo = (from p in db.Customers where p.Login == login select p).Single(); return dInfo; } I would like to read this data in the client and place it into an object I created called ObservableCollection. But that obviously can't happen until the client can see the method on the server. I do not know if this is an acceptable start, but this is what is on the client so far. The ReadOwFileDataAsync object is null: void populatefilesReceivedDataSource(string OrderID) { ArtUpload.ServiceReference1.UploadServiceClient client = new ArtUpload.ServiceReference1.UploadServiceClient(); var myList = client.ReadOwFileDataAsync(OrderID); // can I just itterate thru the list instead of 'binding' }

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• SQL Server 2012 AlwaysOn: Multisite Failover Cluster Instance

  SQL Server Failover Clustering, which includes support for both local and multisite failover configurations, is part of the SQL Server 2012 AlwaysOn implementation suite, designed to provide high availability and disaster recovery for SQL Server. The multisite failover clustering technology has been enhanced significantly in SQL Server 2012. The multisite failover cluster architecture, enhancements in SQL Server 2012 to the technology, and some best practices to help with deployment of the technology are the primary focus of this paper.

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• Moving two objects proportionally

  - by SSL

  I'm trying to move two objects away from each other at a proportional distance, but on different scales. I'm not quite sure how to do this. Object A can go from position 0.1 to 1. Object B has no limits. If object B is decreasing, then Object A should be decreasing at rate R. Likewise, if Object B is increasing, then Object A increases at rate R. How can I tie these two Object positions together so that in an update loop, they automatically update their positions? I tried using: ObjA.Pos += 0.001f * ObjB.VelocityY; //0.001f is the rate This works but there's an error each time it runs. ObjA starts off at its max position 1 but then the next time it will stop at 0.97, 0.94, 0.91 etc.. This is due to the 0.001f rate I put in. Is there a way to control the rate, yet not end up with the rounding error?

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• .NET & XSLT: Unwanted namespace in resulting file after using extension objects (2 replies)

  Hello, after using extension objects in the stylesheets there's an additional namespace entry in the resulting file. How can I prevent that? See: ..NET/C#: XslCompiledTransform xslt new XslCompiledTransform(); .... XsltArgumentList xsltArgs new XsltArgumentList(); xsltArgs.AddExtensionObject(&quot;ibd:DanTe&quot;, this); .... xslt.Transform( source, xsltArgs, target ); XSLT: ?xml version &quot;1.0&quot; encoding &quot;UTF...

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• .NET & XSLT: Unwanted namespace in resulting file after using extension objects (2 replies)

  Hello, after using extension objects in the stylesheets there's an additional namespace entry in the resulting file. How can I prevent that? See: ..NET/C#: XslCompiledTransform xslt new XslCompiledTransform(); .... XsltArgumentList xsltArgs new XsltArgumentList(); xsltArgs.AddExtensionObject(&quot;ibd:DanTe&quot;, this); .... xslt.Transform( source, xsltArgs, target ); XSLT: ?xml version &quot;1.0&quot; encoding &quot;UTF...

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• FTP client says directory permissions are 0000

  - by nnnmmm

  I encountered a problem that appears to be related to permissions (same as this one). When I looked at the permissions of various directories in FireFTP, they all were 0000, which is obviously nonsense, since all the other pages are served without any problems. I only have ftp access, and I think it’s a Windows server (The header says "Server: Microsoft-IIS/7.5"). I’ve tried a different ftp client, with the same result. Changing the permissions results in a "'SITE CHMOD 764 [directory]': command not understood" error. A search on Google and SO for "permissions windows 0000" and similar queries didn’t turn up anything. How can I view and change the actual permissions?

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• ?WebLogic Server?????????????: ?????????????+???????

  - by yosuke.arai(at)oracle.com

  (??: ??) WebLogic Server???????????????????????????????????9?WebLogic Server???@????????????????????????????? ???????????????????????????????????????????WebLogic Server??????????????WebLogic Server??????????????????????????????????????????????????????????????????????????????????????? ?????????????????????????????????????????????????WeLogic Server???????????????????????????????????????????????????????????????????????????????????? ?????????WebLogic Server???????????????????????????????????????????????????·???????????????????? ??????2?16???W-1???(??)??????????+???????WebLogic Server???????????????????????????????????????(????????????)?????????????????????????????????????????????????????????????????????????????????2?????????????????1???3??????????????????????????????????????????????????????????????? ???????(???) ?1?:WebLogic11g(10.3.4)?GridLink????????? ?2?:WebLogic????????Class Loader Analysis Tool(CAT)???????? ?3?:Oracle WebLogic Server on JRockit Virtual Edition??? CTC?????????WebLogic Server 11g??·??????????????3?????????????????????????????????????????????????5?11?????????????????4?16???15?WebLogic Server???@?????????????????????????!

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• How to trigger a SQL Agent Job from a client PC

  - by Preet Sangha

  I have SQL Agent job that is automated that a non SQL Admin user may need to occasionaly run. I know I can trigger a SQL Agent Job via sp_execute_job. Can anyone tell me where to find what I need installed on a (Non SQL Server box) client PC in order to run one of - SQLCmd, OSQL or ISQL - commands please, so I can execute the above SQL? Or is there are simpler way perhaps with out calling TSQL or without installing any SQL client tools.

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• How to configure apache and mod_proxy_ajp in order to forward ssl client certificate

  - by giovanni.cuccu

  I've developed a java application that need a ssl client certificate and in the staging environment with apache 2.2 and mod_jk it is working fine. In production the configuration is not using mod_jk but mod_proxy_ajp. I'm looking for an apache configuration example that configure ssl and mod_proxy_ajp for sending the ssl client certificate to the java application server (which listens with the ajp protocol). Thanks a lot

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