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• Dynamic binary from file

  - by Aurel300

  This is a little bit of weird problem here. Say I have a C++ code, running on a specific platform. The only purpose of this code is to run files containing binary, NATIVE to that platform. Now - my question is - HOW would I get the data from these files (could even be by bits, like 1024 bits a cycle) to the memory of machine running my code so that this data would be in the execution part? In other words, can I get the data to somewhere where I can point the instruction pointer? If yes, how? I don't mind if I have to use assembler for this - just so it would work.

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• multiple box-shadows not rendering

  - by sico87

  I am trying to give a text input a drop-shadow & a inner shadow, using CSS3 and box-shadow, you can see my code here, .text { width:388px; line-height:37px; height:37px; box-shadow:inset 0px 4px 4px rgba(193, 209, 230, 0.58), 0px 2px 2px, rgba(255, 255, 255, 0.75); border-radius:10px; background:#cdd6e6; border:0 none; } ? ? http://jsfiddle.net/3CBrm/ However my box-shadow rules are just being ignored, what am I doing wrong?

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• Which .NET performance and/or memory profilers will allow me to profile a DLL?

  - by Eric

  I write a lot of .NET based plug-ins for other programs which are usually compiled as a DLL which is up to the native application to start up. I've been using Equatec's profiler, which works great, but now would like something with more features, including the ability to profile memory usage. I tried out Red Gate's Ant Profiler, but as far as I can see there is no way to profile a DLL. The only option is to profile an EXE. So my question is what other profiling tools are available that will allow me to profile a single library DLL rather than an EXE. I'm assuming this would require injecting profile code into the library as Equatec does?

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• iphone web app: open directions in external maps application

  - by munchybunch

  I've seen the answers for opening the Maps app in a native iPhone app, but is there any way to do this in a web app? I've tried changing window.location to http://maps.google.com/maps?q=cupertino for example, to no avail. I've tried using a simple anchor tag linked to http://maps.google.com/maps?q=cupertino, also to no avail. Has anyone gotten this to work before? I'm working on a map-heavy application, and I'd like to provide users with directions at the end. I figured it would be easiest to simply open it up in the Map application. Note: I'm currently testing with just the simulator, could that lead to problems? My iPhone is down for the count at the moment.

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• Customize MS dynamic CRM entity in visua studio 2008

  - by Lalit

  Hi, I have installed the MS dynamic CRM on my windows server 2003. I want to add the javascript to the one of entity that has drop down control. let say Opportunity entity. But I don't know how to open the CRM in visual studio so that i can make changes. I have installed CRM explorer as well as Install the CRM Solution Framework(under folder\CRMSolutionFrameworkTemplate\Setup.cmd) Using command prompt to install: Setup.cmd {InstallDir} {ProjectName} {Project Long Name} {Organization Name} How to make the chanes, how to get the CRM in VS for edit. While opening the soution from "C:\Projects\MyCrmSolution\SourceCode\MyCrmSolution" It giving error as :"Mcrosoft.sourceanalysis.target not found error so it can not open the solution". please guide I am new in this stuff....

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• Doctrine SQL Server uniqueidentifier isn't cast as char or nvarchar when retrieved from the database

  - by Tres

  When I retrieve a record from the database which has a column of type "uniqueidentifier", Doctrine fills it with "null" rather than the unique id from the database. Some research and testing has brought this down to a PDO/dblib driver issue. When directly querying via PDO, null is returned in place of the unique id. For reference, http://trac.doctrine-project.org/ticket/1096, has a bit on this, however, it was updated 11 months ago with no comment for resolution. A way around this, as mentioned at http://bugs.php.net/bug.php?id=24752&edit=1, is to cast the column as a char. However, it doesn't seem Doctrine exposes the native field type outside of generating models which makes it a bit hard to detect uniqueidentifier types and cast them internally when building the sql query. Has anyone found a workaround for this?

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• Generic XML parser in Silverlight 3.0

  - by Ummar

  Hi I am developing an application in Silverlight 3.0, I want to make a generic parser of XML in it, as on every call to webservice I am receiving a different XML, I want to make it generic so that I receive an XML in native datastructure of C#? Please help me out? like I am getting XML like this one time <test> <node1></node1> <node2></node2> </test> and other time <mytest> <application name="XYZ">My Application</application> <application name="ABC">My Application</application> </mytest> I want the generic parser, e.g. it makes some tree structure of whole XML

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• Display streaming video in desktop app.

  - by Roddy

  I have a Windows native desktop app (C++/Delphi), and I'm successfully using Directshow to display live video in it from a 'local' video capture device. The next thing I want to do is display video from a 'remote' capture device, streamed over the LAN. To stream the video, I guess I can use something like Expression Encoder or VLC, but I'm not sure what's the easiest way to receive/decode the streamed video. Inserting an ActiveX VLC or Flash player might be one option (although the licensing may be an issue then), but I was wondering if there's any way to achieve this with Directshow... Application needs to run on XP, and the video decoding should ideally be royalty free. Suggestions, please!

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• Implementation of a C pre-processor in Python or JavaScript?

  - by grrussel

  Is there a known implementation of the C pre-processor tool implemented either in Python or JavaScript? I am looking for a way to robustly pre-process C (and C like) source code and want to be able to process, for example, conditional compilation and macros without invoking an external CPP tool or native code library. Another potential use case is pre-processing within a web application, within the web browser. So far, I have found implementations in Java, Perl, and of course, C and C again. It may be plausible to use one of the C to JavaScript compilers now becoming available. The PLY (Python Lex and Yacc) tools include a cpp implemented in Python.

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• How to use SQL trigger to record the affected column's row number

  - by Freeman

  I want to have an 'updateinfo' table in order to record every update/insert/delete operations on another table. In oracle I've written this: CREATE TABLE updateinfo ( rnumber NUMBER(10), tablename VARCHAR2(100 BYTE), action VARCHAR2(100 BYTE), UPDATE_DATE date ) DROP TRIGGER TRI_TABLE; CREATE OR REPLACE TRIGGER TRI_TABLE AFTER DELETE OR INSERT OR UPDATE ON demo REFERENCING NEW AS NEW OLD AS OLD FOR EACH ROW BEGIN if inserting then insert into updateinfo(rnumber,tablename,action,update_date ) values(rownum,'demo', 'insert',sysdate); elsif updating then insert into updateinfo(rnumber,tablename,action,update_date ) values(rownum,'demo', 'update',sysdate); elsif deleting then insert into updateinfo(rnumber,tablename,action,update_date ) values(rownum,'demo', 'delete',sysdate); end if; -- EXCEPTION -- WHEN OTHERS THEN -- Consider logging the error and then re-raise -- RAISE; END TRI_TABLE; but when checking updateinfo, all rnumber column is zero. is there anyway to retrieve the correct row number?

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• Produce high-quality, custom-size thumbnails from Office documents on Windows?

  - by Edwin

  Hi, What do you think would be the best way to produce custom size image thumbnail from MS Office documents (doc, xls and ppt) on Windows with native code (means all means besides .NET/JAVA)? My current research result: IExtractImage COM. Problem: The size of the generated result is fixed and low quality, and you can't be sure all the source documents contain the thumbnails. Use a programmable virtual printer to print the specified page, and the printer must support image output, any good suggestion for this? What else would you suggest? thanks!

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• running Hadoop software on office computers (when they are idle)

  - by Shahbaz

  Is there a project which helps setup a Hadoop cluster on office desktops, when they are idle? I'd like to experiment with Hadoop/MR/hbase but don't have acces to 5-10 computers. The computers at work are idle after hours and are connected to each other through a very high speed connection. What's more, data on these computers stays within our network so there is no privacy issue. In order for this to work I need a fairly light weight monitor running on each machine. When the computer has been idle for X hours, it will join the cluster. If the user logs on, it has to drop out of the cluster and return all CPU/memory back. Does something like this exist?

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• SQL Syntax Error 1064

  - by 01010011

  Hi, I keep getting the following error message ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right systax to use near ''isbn10','isbn13','title','edition','author_f_name','author_m_name','author_l_na' at line 1 when trying to populate my MySQL database from the command line with the following command: source C:\myFilePath\myFileName.sql Here is an excerpt from my mysqldump (showing the table structure for book). Where did I go wrong? Any assistance will be appreciated: -- -- Table structure for table book DROP TABLE IF EXISTS book; /*!40101 SET @saved_cs_client = @@character_set_client /; /!40101 SET character_set_client = utf8 */; CREATE TABLE book ( book_id int(11) NOT NULL AUTO_INCREMENT, isbn10 char(20) DEFAULT NULL, isbn13 char(20) DEFAULT NULL, title char(20) DEFAULT NULL, edition char(20) DEFAULT NULL, author_f_name char(20) DEFAULT NULL, author_m_name char(20) DEFAULT NULL, author_l_name char(20) DEFAULT NULL, cond enum('as new','very good','good','fair','poor') DEFAULT NULL, price decimal(8,2) DEFAULT NULL, genre char(20) DEFAULT NULL, PRIMARY KEY (book_id) ) ENGINE=MyISAM DEFAULT CHARSET=latin1; /*!40101 SET character_set_client = @saved_cs_client */; -- -- Dumping data for table book

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• nodejs, mongodb - How do I operate on data from multiple queries?

  - by Ryan

  Hi all, I'm new to JS in general, but I am trying to query some data from MongoDB. Basically, my first query retrieves information for the session with the specified session id. The second query does a simple geospacial query for documents with a location near the specified location. I'm using the mongodb-native javascript driver. All of these query methods return their results in callbacks, so they're non-blocking. This is the root of my troubles. What I'm needing to do is retrieve the results of the second query, and create an Array of sessionIds of all the returned documents. Then I'm going to pass those to a function later. But, I can't generate this array and use it anywhere outside the callback. Does anyone have any idea how to properly do this? http://dpaste.org/wXiE/

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• Unmanaged Struct Instance in Managed Class

  - by HeHasMoments

  Hi, I've got a fairly specific problem i've been struggling with for a couple of days. I'm using a native C++, one of the methods takes a ptr to a struct containing fixed size char arrays. e.g. struct userData { char data1[10]; char data2[10]; }; method: short AddItem(long id, userData* data); I'm trying to call to call this from Managed VC++ but I need to have an instance of userData I can keep hold of in my managed class. Can anyone help with how to achieve this? Thanks

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• A Better way? Finding ASP.NET controls, finding their id

  - by CSharp

  I have a method that finds all the controls, iterates through them, determines if they are a textbox,drop down list, etc.. retrieves their ID name, and depending on the ID name it will set a boolean statement (thus I would know if that section of the form is complete, and will email to a certain group of people) unfortunetly this is done with too many if statements and was wondering if I could get some help making this more manageable protected void getEmailGroup() { Control[] allControls = FlattenHierachy(Page); foreach (Control control in allControls) { if (control.ID != null) { if (control is TextBox) { TextBox txt = control as TextBox; if (txt.Text != "") { if (control.ID.StartsWith("GenInfo_")) { GenInfo = true; } if (control.ID.StartsWith("EmpInfo_")) { EmpInfo = true; } } } if (control is DropDownList) { DropDownList lb = control as DropDownList; if (lb.SelectedIndex != -1) { if (control.ID.StartsWith("GenInfo_")) { GenInfo = true; } if (control.ID.StartsWith("EmpInfo_")) { EmpInfo = true; } } } } } }

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• select mysql data using MAX

  - by JPro

  I have a testdata like this: DROP TABLE SELECT_PASS; CREATE TABLE SELECT_PASS(ID INT(20),TESTCASE VARCHAR(20),RESULT VARCHAR(20)); INSERT INTO SELECT_PASS VALUES(1,"TC1","PASS"); INSERT INTO SELECT_PASS VALUES(2,"TC2","PASS"); INSERT INTO SELECT_PASS VALUES(3,"TC3","INCONC"); INSERT INTO SELECT_PASS VALUES(4,"TC1","FAIL"); INSERT INTO SELECT_PASS VALUES(5,"TC21","FAIL"); INSERT INTO SELECT_PASS VALUES(6,"TC4","PASS"); INSERT INTO SELECT_PASS VALUES(7,"TC3","PASS"); INSERT INTO SELECT_PASS VALUES(8,"TC2","PASS"); INSERT INTO SELECT_PASS VALUES(9,"TC1","TIMEOUT"); SELECT TESTCASE, MAX(RESULT) FROM SELECT_PASS GROUP BY TESTCASE; The resultset I get is : TC1 TIMEOUT TC2 PASS TC21 FAIL TC3 PASS TC4 PASS Basically I want to see those testcases which never passed. Any way to do it? Thanks.

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• How to run SpecFlow tests in Visual Studio 2010?

  - by testerboy

  Trying to get SpecFlow running with a fresh VS2010 Professional install. Created a new console application and added references to NUnit and SpecFlow. Created a SpecFlow feature. The .feature with the default template code is created. Now I try to run this test, but I don't understand how. When I right-click the project (at the top-level), there is no "Run test(s)" option in the mouse drop down menu. Didn't the SpecFlow install correctly, am I missing some references or some other tool I need to install?

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• WebView with NSShadow slowdown

  - by Rodrigo

  I have a webview that shows some animated boxes, but it slows down and lags horribly when I put a drop shadow in the view. Without the shadow, the webview contents animate smoothly. I achieved a similar effect as safari/chrome when you do a elastic scroll with the touchpad. Looks nice! But doesnt run as smooth as in my inspirations. Here is the snippet of the shadow setting: NSShadow *dropShadow = [[NSShadow alloc] init]; [dropShadow setShadowColor:[NSColor blackColor]]; [dropShadow setShadowOffset:NSMakeSize(0, 0)]; [dropShadow setShadowBlurRadius:5.0]; [webview setWantsLayer: YES]; [webview setShadow: dropShadow]; [dropShadow release]; -- My question is: How can I work around this problem?

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• Parsing NTFS Partition in C

  - by DooriBar

  Hello all, I'm just a beginner and I have a need to parse a NTFS partition for the purpose of extracting Security Descriptors. (I been trying to use the native functions of the Windows API, but my conclusion is that something is seriously wrong with the functions' behavior, or their documentation.) I was wondering if anybody here experienced with such requirement, and could give me few hints, references, guidance... where to begin? (I've found www.ntfs.com, seems to have NTFS structure information, but I'm afraid I'll need something more to get started...) My intention is to use it under Windows XP. Thanks in advanced, Doori Bar

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• Is Amazon SQS the right choice here? Rails performance issue.

  - by ole_berlin

  I'm close to releasing a rails app with the common networking features (messaging, wall, etc.). I want to use some kind of background processing (most likely Bj) for off-loading tasks from the request/response cycle. This would happen when users invite friends via email to join and for email notifications. I'm not sure if I should just drop these invites and notifications in my Database, using a model and then just process it with a worker process every x minutes or if I should go for Amazon SQS, storing the messages and invites there and let my worker retrieve it from Amazon SQS for processing (sending the invites / notifications). The Amazon approach would get load off my Database but I guess it is slower to retrieve messages from there. What do you think?

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• Creating TCP network errors for unit testing

  - by Robert S. Barnes

  I'd like to create various network errors during testing. I'm using the Berkely sockets API directly in C++ on Linux. I'm running a mock server in another thread from within Boost.Test which listens on localhost. For instance, I'd like to create a timeout during connect. So far I've tried not calling accept in my mock server and setting the backlog to 1, then making multiple connections, but all seem to successfully connect. I would think that if there wasn't room in the backlog queue I would at least get a connection refused error if not a timeout. I'd like to do this all programatically if possible, but I'd consider using something external like IPchains to intentionally drop certain packets to certain ports during testing, but I'd need to automate creating and removing rules so I could do it from within my Boost.Test unit tests. I suppose I could mock the various system calls involved, but I'd rather go through a real TCP stack if possible. Ideas?

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• About the String#substring() method

  - by alain.janinm

  If we take a look at the String#substring method implementation : new String(offset + beginIndex, endIndex - beginIndex, value); We see that a new String is created with the same original content (parameter char [] value). So the workaround is to use new String(toto.substring(...)) to drop the reference to the original char[] value and make it eligible for GC (if no more references exist). I would like to know if there is a special reason that explain this implementation. Why the method doesn't create herself the new shorter String and why she keeps the full original value instead? The other related question is : should we always use new String(...) when dealing with substring?

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• Updating Many-to-Many relationship with LinqToSQL

  - by Noffie

  If I had, for example, a Many-to-Many mapping table called "RolesToUsers" between a Users and an Roles table, here is how I do it: // DataContext is db, usr is a User entity // newUserRolesMappings is a collection with the desired new mappings, probably // derived by looking at selections in a checkbox list of Roles on a User Edit page db.RolesToUsers.DeleteAllOnSubmit(usr.RolesToUsers); usr.RolesToUsers.Clear(); usr.RolesToUsers.AddRange(newUserRolesMappings); I used the SQL profiler once, and this seems to generate very intelligent SQL - it will only drop the rows which are no longer in the mapping relationship, and only add rows which did not already exist in the relationship. It doesn't blindly do a complete clearing and re-construction of the relationship, as I thought it would. The internet is surprisingly quiet on the subject, and the query "LinqToSQL many-to-many" mostly just turns up articles about how the LinqToSQL data mapper doesn't "support" it very well. How does everyone else update many-to-many with LinqToSQL?

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• problem with dropdownlist in mvc application

  - by czuroski

  Hello, I am trying to work with an HTML.DropDownList in MVC and am not getting the expected return values. Here is my implementation for the selectList to bind to the drop down - IEnumerable<status> stat = _provider.GetAllStatuses(); Statuses = new SelectList(stat.ToList(), "id", "name", i.status.id); And here is my view - <%= Html.DropDownList("Status",Model.Statuses) %> I am getting an error when trying to run updatemodel in my controller. I then tried to individually set each object. It turns out that I am not getting a single int from the formvalue as I would expect to. Instead, I am getting a value like "5,10,2,3". I think this is coming from how I set up my selectlist, but I'm not exactly sure. Can anyone see an error in the way I am setting up this dd? Thanks for any help, and let me know if I can clarify anything.

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