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  • C#: access a class property when the property identifier is known as a string

    - by Hans
    Hi, I'm using LINQ to Entities on a database which structure is not known in advance. I use reflection to retrieve the information, and now have a list of strings with all the table names. Because I use LINQ, I also have the datasource encapsulated in a C# class (linqContext), with each table being a property of that class. What I want to achieve is this: Assume one of the strings in the table names list is "Employees". This is known in code, I want to do the following: linqContext.Employees.DoSomethingHere(); Is this possible? I know that if all the propertie were just items in a list, I could use the string as indexer, linqContext["Employees"]. However, this is not the case :(

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  • Couldn't get last insert identifier symfony sql server through ODBC

    - by JaSk
    Im getting that error every time I try to add a new set of data to my sql server 2008 database. I'm running windows 7 on my development machine. my current config is: all: doctrine: class: sfDoctrineDatabase param: dsn: 'odbc:Driver={SQL Server Native Client 10.0};Server=localhost;database=jobeet;' username: sa password: **** thanks to every one.

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  • Installing a bundled set of multiple apps automatically and silently

    - by Reckage
    Hi all, When I install Windows, I like to deploy a set of the same apps (for example, Firefox, Chrome, Trillian, 7-Zip, etc.). I'd prefer to have a way of doing it all in one sitting, and I seem to remember there being a way of bundling all the installers. I was able to find two, though neither of them (Almeza MultiSet, WPIW) look like what I was thinking of. Can anyone recommend other ways of running a whole set of installers at once? Thanks! (Will add links when I get enough points)

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  • How to bundle extension methods requiring configuration in a library

    - by Greg
    Hi, I would like to develop a library that I can re-use to add various methods involved in navigating/searching through a graph (nodes/relationships, or if you like vertexs/edges). The generic requirements would be: There are existing classes in the main project that already implement the equivalent of the graph class (which contains the lists of nodes / relationships), node class and relationship class (which links nodes together) - the main project likely already has persistence mechanisms for the info (e.g. these classes might be built using Entity Framework for persistance) Methods would need to be added to each of these 3 classes: (a) graph class - methods like "search all nodes", (b) node class - methods such as "find all children to depth i", c) relationship class - methods like "return relationship type", "get parent node", "get child node". I assume there would be a need to inform the library with the extending methods the class names for the graph/node/relationships table (as different project might use different names). To some extent it would need to be like how a generics collection works (where you pass the classes to the collection so it knows what they are). Need to be a way to inform the library of which node property to use for equality checks perhaps (e.g. if it were a graph of webpages the equality field to use might be the URI path) I'm assuming that using abstract base classes wouldn't really work as this would tie usage down to have to use the same persistence approach, and same class names etc. Whereas really I want to be able to, for a project that has "graph-like" characteristics, the ability to add graph searching/walking methods to it.

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  • Lightweight PHP server to bundle with application?

    - by munchybunch
    Does there exist some sort of PHP server that can be bundled with a locally-deployed application? It sounds wonky, but the end result is I can't use a remote web server to do anything. Clients will be downloading a package, and the plan is to use a Java backend that reads from a flat file. The flat file contains settings and is modified through a GUI written in HTML/JS, and this is where the server would come in. The forms in HTML should be able to submit to the server, which does a simple file write to the flat file. Is there any simple, lightweight server that has that simple feature? When running the executable for the application, it would start the installation process for the server before moving the web GUI files to the appropriate locations. Note that I'm doing this for a client, so I can't quite change the reqs and would rather not discuss their effectiveness. I would be ever thankful if people had suggestions for the server though!

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  • Advice Please: SQL Server Identity vs Unique Identifier keys when using Entity Framework

    - by c.batt
    I'm in the process of designing a fairly complex system. One of our primary concerns is supporting SQL Server peer-to-peer replication. The idea is to support several geographically separated nodes. A secondary concern has been using a modern ORM in the middle tier. Our first choice has always been Entity Framework, mainly because the developers like to work with it. (They love the LiNQ support.) So here's the problem: With peer-to-peer replication in mind, I settled on using uniqueidentifier with a default value of newsequentialid() for the primary key of every table. This seemed to provide a good balance between avoiding key collisions and reducing index fragmentation. However, it turns out that the current version of Entity Framework has a very strange limitation: if an entity's key column is a uniqueidentifier (GUID) then it cannot be configured to use the default value (newsequentialid()) provided by the database. The application layer must generate the GUID and populate the key value. So here's the debate: abandon Entity Framework and use another ORM: use NHibernate and give up LiNQ support use linq2sql and give up future support (not to mention get bound to SQL Server on DB) abandon GUIDs and go with another PK strategy devise a method to generate sequential GUIDs (COMBs?) at the application layer I'm leaning towards option 1 with linq2sql (my developers really like linq2[stuff]) and 3. That's mainly because I'm somewhat ignorant of alternate key strategies that support the replication scheme we're aiming for while also keeping things sane from a developer's perspective. Any insight or opinion would be greatly appreciated.

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  • XCode 4.4 bundle version updates not picked up until subsequent build

    - by Mark Struzinski
    I'm probably missing something simple here. I am trying to auto increment my build number in XCode 4.4 only when archiving my application (in preparation for a TestFlight deployment). I have a working shell script that runs on the target and successfully updates the info.plist file for each build. My build configuration for archiving is name 'Ad-Hoc'. Here is the script: if [ $CONFIGURATION == Ad-Hoc ]; then echo "Ad-Hoc build. Bumping build#..." plist=${PROJECT_DIR}/${INFOPLIST_FILE} buildnum=$(/usr/libexec/PlistBuddy -c "Print CFBundleVersion" "${plist}") if [[ "${buildnum}" == "" ]]; then echo "No build number in $plist" exit 2 fi buildnum=$(expr $buildnum + 1) /usr/libexec/Plistbuddy -c "Set CFBundleVersion $buildnum" "${plist}" echo "Bumped build number to $buildnum" else echo $CONFIGURATION " build - Not bumping build number." fi This script updates the plist file appropriately and is reflected in XCode each time I archive. The problem is that the .ipa file that comes out of the archive process is still showing the previous build number. I have tried the following solutions with no success: Clean before build Clean build folder before build Move Run Script phase to directly after the Target Dependencies step in Build Phases Adding the script as a Run Script action in my scheme as a pre-action No matter what I do, when I look at the build log, I see that the info.plist file is being processed as one of the very first steps. It is always prior to my script running and updating the build number, which is, I assume, why the build number is never current in the .ipa file. Is there a way to force the Run Script phase to run before the info.plist file is processed?

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  • Bundle package everything

    - by AlexT
    Hello all. I want pack not installed gems but also which fetched from repositories, for example: I want pack paperclip which declared in Gemfile: gem 'paperclip', :git => 'git://github.com/thoughtbot/paperclip.git', :branch => 'rails3' Thanks

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  • Selecting based on __key__ (a unique identifier) in google appengine [Java]

    - by Stavros
    I have public class QuantityType { @PrimaryKey @Persistent(valueStrategy = IdGeneratorStrategy.IDENTITY) private Key key; @Persistent private String type; } I am trying to setup a query to get the right QuantityType by it's key gql = "select * from QuantityType where __key__='aght52oobW1hIHTWVzc2FnZRiyAQw'"; But its not working because BadFilterError: BadFilterError: invalid filter: key filter value must be a Key; received aght52oobW1hIHTWVzc2FnZRiyAQw (a str). I have also tried to use gql = "select * from QuantityType where __key__=='" + KeyFactory.stringToKey(qTypeKey)+"'"; but it's now working.. How can I get a specific object from my datastore by it's key?

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  • Error copying file from app bundle

    - by Michael Chen
    I used the FireFox add-on SQLite Manager, created a database, which saved to my desktop as "DB.sqlite". I copied the file into my supporting files for the project. But when I run the app, immediately I get the error "Assertion failure in -[AppDelegate copyDatabaseIfNeeded], /Users/Mac/Desktop/Note/Note/AppDelegate.m:32 2014-08-19 23:38:02.830 Note[28309:60b] Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: 'Failed to create writable database file with message 'The operation couldn’t be completed. (Cocoa error 4.)'.' First throw call stack: "... Here is the App Delegate Code where the error takes place -(void) copyDatabaseIfNeeded { NSFileManager *fileManager = [NSFileManager defaultManager]; NSError *error; NSString *dbPath = [self getDBPath]; BOOL success = [fileManager fileExistsAtPath:dbPath]; if (!success) { NSString *defaultDBPath = [[ [NSBundle mainBundle ] resourcePath] stringByAppendingPathComponent:@"DB.sqlite"]; success = [fileManager copyItemAtPath:defaultDBPath toPath:dbPath error:&error]; if (!success) NSAssert1(0, @"Failed to create writable database file with message '%@'.", [error localizedDescription]); } } I am very new to Sqlite, so I maybe I didn't create a database correctly in the FireFox Sqlite manager, or maybe I didn't "properly" copy the .sqlite file in? (I did check the target membership in the sqlite and it correctly has my project selected. Also, the .sqlite file names all match up perfectly.)

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  • error C2146: syntax error : missing ';' before identifier 'g_App'

    - by numerical25
    I wish c++, was a little more specific on the messages they give. The following error is being thrown in the document below main.h #ifndef main_h #define main_h //includes #include <windows.h> #include <commctrl.h> #include <d3d9.h> #include <fstream> #include "capplication.h" //constants #define TITLE "D3D Tut 01: Create Window" #define WINDOW_X 350 #define WINDOW_Y 320 //Button ID's #define ID_START 1 #define ID_CANCEL 2 //globals extern CApplication g_App; //function prototypes LRESULT CALLBACK WindowProcedure(HWND,UINT,WPARAM,LPARAM); #endif The only header file that could possible throw this error is the capplication.h. given below capplication.h #ifndef capplication_h #define capplication_h #include"main.h" class CApplication { public: CApplication(void); ~CApplication(void); void InitWindow(void); void SaveSettings(void); void LoadSettings(void); void KillWindow(void); inline bool GetWindowStatus(void) { return m_bRunningWindow; } inline HWND GetWindowHandle(void) { return m_hWindow; } inline void SetWindowStatus(bool bRunningWindow) { m_bRunningWindow = bRunningWindow; } private: bool m_bRunningWindow; HWND m_hWindow, m_hBtnStart, m_hBtnCancel, m_hLblResolution, m_hCbResolution, m_hLblBackBuffer, m_hCbBackBuffer, m_hLblDepthStencil, m_hCbDepthStencil, m_hLblVertexProcessing, m_hCbVertexProcessing, m_hLblMultiSampling, m_hCbMultiSampling, m_hLblAnisotropy, m_hCbAnisotropy; DWORD m_dwWidth, m_dwHeight, m_dwVertexProcessing, m_dwAnisotropy; D3DFORMAT m_ColorFormat, m_DepthStencilFormat; D3DMULTISAMPLE_TYPE m_MultiSampling; }; #endif Besides that, the only suspicious thing I see is fstream given in the first code. I did have it as fstream.h But VC++ was not recognizing it so I was told to remove the h and I did. now I am down to this error. and I have no clue what it could be. Possibly something obvious

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  • Sonata Media Bundle sortBy created_at

    - by tony908
    I use SonataMediaBundle and i would like sort Gallery by created_at field. In repository class i have (without orderBy working good!): $qb = $this->createQueryBuilder('m') ->orderBy('j.expires_at', 'DESC'); $query = $qb->getQuery(); return $query->getResult(); and this throw error: An exception has been thrown during the rendering of a template ("[Semantical Error] line 0, col 80 near 'created_at D': Error: Class Application\Sonata\MediaBundle\Entity\Gallery has no field or association named created_at") so i add this field to Gallery class: /** * @var \DateTime */ private $created_at; /** * Set created_at * * @param \DateTime $createdAt * @return Slider */ public function setCreatedAt($createdAt) { $this->created_at = $createdAt; return $this; } /** * Get created_at * * @return \DateTime */ public function getCreatedAt() { return $this->created_at; } but now i have error: FatalErrorException: Compile Error: Declaration of Application\Sonata\MediaBundle\Entity\Gallery::setCreatedAt() must be compatible with Sonata\MediaBundle\Model\GalleryInterface::setCreatedAt(DateTime $createdAt = NULL) in /home/tony/www/test/Application/Sonata/MediaBundle/Entity/Gallery.php line 32 GalleryInterface: https://github.com/sonata-project/SonataMediaBundle/blob/master/Model/GalleryInterface.php So... how can i use sortBy in my example?

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  • Symfony2 Syntax Errors (in vendor files)

    - by user1665246
    To maintain code integrity across our servers we'd like to keep the /vendor/* directory under source control, rather than use composer to download files each time we roll out onto another server - i.e. we can be certain that the /vendor/* files are identical. We run a syntax checker against all files committed to source control and run across the following error: File '/vendor/sensio/generator-bundle/Sensio/Bundle/GeneratorBundle/Resources/skeleton/bundle/Bundle.php' failed the PHP syntax check with the following error: PHP Parse error: syntax error, unexpected '}', expecting T_NS_SEPARATOR in /vendor/sensio/generator-bundle/Sensio/Bundle/GeneratorBundle/Resources/skeleton/bundle/Bundle.php on line 3 Is the "error" in this file intentional ? Any help appreciated. File contents below: <?php namespace {{ namespace }}; use Symfony\Component\HttpKernel\Bundle\Bundle; class {{ bundle }} extends Bundle { }

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  • HQL - row identifier for pagination

    - by anna.ruk
    Does anyone know if HQL has a keyword to identify rows such as ROWID or ROWNUM? I would like to implement pagination with HQL but I am not able to use .setMaxResult() or .setFirstResult() because I don't work with the session object directly and therefore don't use the Query object but simply create my query as a string and use the .find() method. I tried using LIMIT and OFFSET in my query, but HQL seems to be ignoring these keywords and is returning the whole result to me no matter what. I'm also not able to use Hibernate criteria because it does not have support for the "HAVING" clause that appears in my query. My last resort is to restrict the result set using the ROWNUM/ROWID keyword. Does anyone else have any other suggestions?

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  • Retrieving data from a JSON sub array in javascript, where identifier starts with an integer

    - by Archie Ec
    I must be missing something simple here, but I'm having trouble retrieving data from a JSON array response. I can access objects with identifiers that start with letters, but not ones that start with numbers. For example, I can access data.item[0].specs.overview.details But I can't access data.item[0].specs.9a99.details If anyone can point me in the right direction, I'd really appreciate it. Thanks.

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  • Error safe/correcting resource identifier

    - by Martin
    The receiver is my website, the sender is the same but the medium is noisy, a user. He will read an alphanumeric code of length 6 and later input the same code to identify a resource. A good use for a error correcting code, I thought, and rather than do the research I thought I'd just put the question out there. Or I might be going about it the wrong way, since the situation is rather like sending a perfect dictionary along with every transmission. The requirements on the code are simply: 6 alphanumeric digits, to start with until I run out, anyway. If the user gets it wrong I should still be able to identify the right resource. No resource is preferable to the wrong one. Easy to code or have free libraries for .net Any suggestions?

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  • How to bundle shell script and C code?

    - by eSKay
    I have a C shell script that calls two C programs - one after the another with some file handling before, in-between and afterwards. Now, as such I have three different files - one C shell script and 2 .c files. I need to give this script to other users. The problem is that I have to distribute three files - which the users must keep in the same folder and then execute the script. Is there some better way to do this? [I know I can make one C code file out of those two... but I will still be left with a shell script and a C code. Actually, the two C codes do entirely different things... so I want them to be separate]

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  • Regex to validate for Unique Well Identifier in rails

    - by Jasper502
    I am a regex newbie and can't seem to figure this one out. Here is a link to the required string formats: http://earth.gov.bc.ca/royp-bin/phcgi.exe?PH_QKC=DOCUWI&PH_APP=RMSprodApp&PH_HTML=DOCUWI.htm For example: 100041506421W500 = 1+0+{01-16}+{01-36}+{001-129}+{01-36}+W+{1-6}+0+{0-9} I tried this: ^10[0|2-9]{1}0*([1-9]|1[0-6])0*([1-9]|[12][0-9]|3[0-6])0*([1-9][0-9]|1[0-2][0-9])0*([1-9]|[12][0-9]|3[0-6])W[1-6]0[0-9]$ In a regex validator and it sort of works except that 1041506421W500 and 10000000041506421W500 validates. The entire string can only be 16 characters long. I am pretty sure I am missing something obvious here regarding the leading zeros. Tried the NTS format and running into the same sort of problems.

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  • Create unique identifier for different row-groups

    - by Max van der Heijden
    I want to number certain combinations of row in a dataframe (which is ordered on ID and on Time) tc <- textConnection(' id time end_yn number abc 10 0 1 abc 11 0 2 abc 12 1 3 abc 13 0 1 def 10 0 1 def 15 1 2 def 16 0 1 def 17 0 2 def 18 1 3 ') test <- read.table(tc, header=TRUE) The goal is to create a new column ("journey_nr") that give a unique number to each row based on the journey it belongs to. Journeys are defined as a sequence of rows per id up until to end_yn == 1, also if end_ynnever becomes 1, the journey should also be numbered (see the expected outcome example). It is only possible to have end_yn == 0 journeys at the end of a collection of rows for an ID (as shown at row 4 for id 3). So either no end_yn == 1 has occured for that ID or that happened before the end_yn == 0-journey (see id == abc in the example). I know how to number using the data.table package, but I do not know which columns to combine in order to get the expected outcome. I've searched the data.table-tag on SO, but could not find a similar problem. Expected outcome: id time end_yn number journey abc 10 0 1 1 abc 11 0 2 1 abc 12 1 3 1 abc 13 0 1 2 def 10 0 1 3 def 15 1 2 3 def 16 0 1 4 def 17 0 2 4 def 18 1 3 4

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  • packaging sequences of png files in iPhone APP for animations to reduce bundle size

    - by Brad Smith
    Basically, I have an application that uses a flip-book style animation technique. I am simply cycling through around 1000 320x480 pngs at 12fps, and everything works really well. Except for the fact that 1000 images takes up a ton of disk space. Ideally I'd like to be able to compress these images as a movie file and pull out each frame as I need them, or simply play back a movie with frame by frame precision. Ideas?

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