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• Are there any differences between SQL Server and MySQL when it comes to preventing SQL injection?

  - by Derek Adair

  I am used to developing in PHP/MySQL and have no experience developing with SQL Server. I've skimmed over the PHP MSSQL documentation and it looks similar to MySQLi in some of the methods I read about. For example, with MySQL I utilize the function mysql_real_excape_string(). Is there a similar function with PHP/SQL Server? What steps do I need to take in order to protect against SQL injection with SQL Server? What are the differences between SQL Server and MySQL pertaining to SQL injection prevention? also - is this post accurate? is the escape string character for SQL Server a single quote?

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• mingw32-make : "Input line too long" issue

  - by hjsblogger

  We have a Makefile which runs on a Windows 2003 machine and we are using mingw32-make for it. Since the Makefile has many include paths, it exceeds the buffer size of 8K that the cmd can handle [Ref - http://support.microsoft.com/kb/830473/EN-US/due to which the compilation results in "input line too long" issue. I wanted to know the following - What would be the best way to optimize the Makefile as I have already removed unwanted compiler switches, include paths etc. Is there any way we can put all the INCLUDE paths in one .txt file and import it in the Makefile.I could not find any mingw32 documentation for the same. Any other inputs/hints/reference links are most welcome. Thanks, -HJSblogger

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• Sony Bravia JavaScript API & Emulator

  - by Kevin Williams

  I recently purchased a Sony Bravia TV that comes with Internet capability built in. It supports a number of internet capable widgets and web video streaming apps for sites like youtube, twitter & various yahoo! offerings. I'd like to hack on the SDK, but the only version I can find is Japanese. Is there an English version of the SDK? Where can I find some tutorials/examples? Japanese SDK Documentation (English Layout & JavaScript API pdfs included)

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• Bind handler to Ajax Sys.Component.propertyChanged event

  - by Steven Chalk

  "When you create a client component class, you define the properties that you expect page developers to access. You can also raise Sys.Component.propertyChanged notification events in the set accessors for properties of your component. Page developers who use the component can bind the property notification event to their own handler to run code when the property value changes." From http://www.asp.net/AJAX/Documentation/Live/tutorials/DefiningBindableClientComponent.aspx Does anyone know how to bind a handler to a property changed event when raised from a property accessor. Looked for ages but cannot find an example anywhere showing how you would do this.

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• Android getWifiState to String

  - by ahsteele

  I am attempting to get the string representation of an Android device's current WiFi state. I am using the getWifiState() method of the WiFiManager and am getting an integer returned depending on the current state. This makes total sense as getWifiState() is supposed to return an integer. The method's documentation indicates that the possible return values translate to one of the following constant values 0 WIFI_STATE_DISABLING 1 WIFI_STATE_DISABLED 2 WIFI_STATE_ENABLING 3 WIFI_STATE_ENABLED 4 WIFI_STATE_UNKNOWN Is there an easy way to translate the integer returned from getWiFiState() to a string representation? I've looked at getIntExtra but am unsure of its use.

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• Displaytag export option is not working

  - by Nirmal

  Hello All, I am using Displaytag framework for pagination & exporting purpose. In that i am also using Strut2Tiles Integration. Whenever i am calling any action class it will returning me a list & through Displaytag i am successfully displaying record on my page. For that my jsp page's code looks like : <s:set name="selectedPageSize" value="selectedPageSize" scope="request"/> <s:set value="accountList" scope="request" name="accountList"/> <display:table name="accountList" export="true" class="table" requestURI="" id="accountList" pagesize="${selectedPageSize}" > <display:setProperty name="export.pdf" value="true" /> <display:column property="id" sortable="true" class="sort-title"/> <display:column property="name" sortable="true"/> <display:column property="contactPerson" sortable="true"/> <display:column property="phone1" sortable="true"/> <display:column property="phone2" sortable="true"/> <display:column property="fax" sortable="true"/> <display:column property="email" sortable="true"/> <display:column property="webSite" sortable="true"/> <display:column property="address1" sortable="true"/> <display:column property="address2" sortable="true"/> <display:column property="countryId.name" title="Country" sortable="true"/> <display:column property="stateId.name" title="State" sortable="true"/> <display:column property="countryId.name" title="City" sortable="true"/> <display:column property="isDeleted" sortable="true"/> <display:column title="Delete"> <s:url id="removeUrl" action="finance/deleteAccount.action"> <s:param name="id" value="#attr.accountList.id" /> </s:url> <s:a href="%{removeUrl}" theme="ajax" targets="accountList">Remove</s:a> </display:column> <display:column title="Update"> <s:url id="updateUrl" action="finance/updateAccount.action"> <s:param value="#attr.accountList.id" name="id"/> </s:url> <s:a href="%{updateUrl}&action=update" targets="accountlist">Update</s:a> </display:column> Actually this page is displaying through tiles configuration. Here i have enabled the export option, so it is showing me the exporting options like CSV, EXCEL, XML. But whenver i am clicking on that CSV link, my web browser hanged, means nothing is displayed on it For that exporting solution i have also added filter in my web.xml. My web.xml looks like: <filter> <filter-name>struts2</filter-name> <filter-class>org.apache.struts2.dispatcher.FilterDispatcher</filter-class> </filter> <filter-mapping> <filter-name>struts2</filter-name> <url-pattern>/*</url-pattern> </filter-mapping> <filter> <filter-name>ResponseOverrideFilter</filter-name> <filter-class>org.displaytag.filter.ResponseOverrideFilter</filter-class> </filter> <filter-mapping> <filter-name>ResponseOverrideFilter</filter-name> <url-pattern>*.action</url-pattern> </filter-mapping> <filter-mapping> <filter-name>ResponseOverrideFilter</filter-name> <url-pattern>*.jsp</url-pattern> </filter-mapping> <listener> <listener-class>org.apache.struts2.tiles.StrutsTilesListener</listener-class> </listener> <listener> <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class> </listener> <context-param> <param-name>contextConfigLocation</param-name> <param-value>/WEB-INF/classes/webApplicationContext.xml</param-value> </context-param> <welcome-file-list> <welcome-file>jsp/welcome.jsp</welcome-file> </welcome-file-list> I have also included following list of libraries of displaytag : 1) displaytag-1.2.jar 2) displaytag-export-poi-1.2.jar 3) displaytag-portlet-1.2.jar The exception that i am getting is : 2009-05-09 12:02:38,234 DEBUG (org.displaytag.tags.TableTag:1524) - Exportfilter NOT enabled 2009-05-09 12:02:38,312 WARN (org.displaytag.tags.TableTag:63) - Exception: [.TableTag] Unable to reset response before returning exported data. You are not using an export filter. Be sure that no other jsp tags are used before display:table or refer to the displaytag documentation on how to configure the export filter (requires j2ee 1.3). ApplicationDispatcher[/PaginationTry2] PWC1231: Servlet.service() for servlet jsp threw exception Exception: [.TableTag] Unable to reset response before returning exported data. You are not using an export filter. Be sure that no other jsp tags are used before display:table or refer to the displaytag documentation on how to configure the export filter (requires j2ee 1.3). Plz reply, i am stuck with this problem.

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• How to JBoss/Blazeds clustering and channel failover

  - by Francesco

  Hi, I'm stuck with jboss and blazeds clusterization. What I have now is : 2 Jboss Instances, running in all mode One load balancer with apache and mod_jk, as suggested by Jboss docs A spring/flex integration app A flex application that I do not want to throw errors when one of my JBoss instances falls I find Adobe documentation really lacking, and being new at clustering, jgroups and balancing I cannot find how to deploy my app in clustered environment. From what I understood if configured correctly blazeds should tell flex client about failover servers upon connection. Then if flex client can't connect to the main server it goes to another. But the hard part for me is getting there. Can someone point me to the right direction? Thanks in advance

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• How to use NSString drawInRect to centre text?

  - by Steve Folly

  How can I draw a string centred within a rect? I've started off with: (an extract from the drawRect method of my custom view) NSString* theString = ... [theString drawInRect:theRect withAttributes:0]; [theString release]; Now I'm assuming I need to set up some attributes. I've had a look through Apple's Cocoa documentation, but it's a bit overwhelming and can't find anything for how to add paragraph styles to the attributes. Also, I can only find horizontal alignment, what about vertical alignment? Thanks.

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• Why doesn't my CreateRibbonExtensibilityObject method get called?

  - by DGGenuine

  Hi I've been tinkering around with the two techniques to modify the ribbon with an MS Word addin (Visual Studio 2010, .NET 3.5), a Microsoft.Office.Tools.Ribbon.OfficeRibbon and Microsoft.Office.Core.IRibbonExtensibility. I was hoping to switch between the two in my addin's CreateRibbonExtensibilityObject, but for some reason it is not called now. The documentation says that if an addin implements CreateRibbonExtensibilityObject that it will be called. When I create a fresh project to test doing this very thing, it works. I'd prefer not to abandon my project as-is. Any ideas? Thank you.

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• How to encrypt the mobile configuration profiles in iOS (in OTA deployments)?

  - by user1353477

  I am trying to sign and encrypt .mobileconfig profiles for iOS devices. Signing works perfectly using openssl::pkcs7 sign function in ruby, however using encrypt function, I get an encrypted data but Safari fails to install the profile saying "Invalid Profile". There are two questions in this regard: Which data from the .mobileconfig profile is actually encrypted that goes into the .. section of the EncryptedPayloadContent ? Is the data in binary format (.der) or base64 encoded? Any help in this regard would be helpful as APPLE severly lacks any documentation in encrypting the profiles.

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• Sqs vs SqsGen2 using RightScale right_aws GEM

  - by Fitter Man

  I'm trying to use the right_aws (1.10.0) GEM with Rails, and I've reduced my problem to a 3-line irb session. The following works require 'rubygems' require 'right_aws' sqs = RightAws::Sqs.new("xxxxxxxxxxxxxxx", "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx") while this fails require 'rubygems' require 'right_aws' sqs = RightAws::SqsGen2.new("xxxxxxxxxxxxxxx", "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx") with NameError: uninitialized constant RightAws::SqsGen2. I see the class definition in the GEM source, the documentation is old but seems accurate, but I can't figure out what I'm doing wrong. And while you're at it, is there any reason if I'm building something new, I'd want to use the older interface?

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• GWT i18n - Plural Forms doesn't work at all?

  - by PEZ

  I'm using GWT internationalization Messages. The documentation for Plural Forms says this should work: @DefaultMessage("{0} {1,number} hours {2}") @PluralText({"one", "an hour"}) String hours(String prefix, @PluralCount int count, String suffix); Well, it doesn't. Whatever value of count it still delivers DefaultMessage (e.g. "1 hours ago"). Same if I use a .properties file: hours[one]=an hour hours[few]=some hours hours={0} {1,number} hours {2} Is there a bug in the docs or in GWT (I'm using GWT 2.0.3) or in me? If any of the two former, anyone knows of a workaround?

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• Why use MVVM???

  - by LnDCobra

  Okay, I have been looking into MVVM pattern, and each time I have previously tried looking into it, I gave up for a number of reasons: Unnecessary Extra Long Winded Coding No apparent advantages for coders (no designers in my office. Currently only myself soon to be another coder) Not a lot of resources/documentation of good practices! (Or at least hard to find) Cannot think of a single scenario where this is advantageous. I'm about to give up on it yet again, and thought I'd ask to see if someone answer the reasons above. I honestly can't see an advantage of using this for a single/partner coding. Even in complex projects with 10's of windows. To me the DataSet is a good enough view and binding like in the answer by Brent following question

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• Devise within namespace

  - by Harm de Wit

  Hey, I'm trying to split my rails project in a front-end for regular users and a back-end for admins. Therefore i have created a namespace 'admin' so that i can easily control admin specific controller methods/layouts/authentication in the map admin. I'm using Devise to register/authenticate my admins only. Because it is only used for admins only i'm trying to move Devise to the admin namespace. I could not find exactly what i was looking for in the documentation of Devise but i tried something like this in routes.rb: namespace 'admin'do devise_for :admins end I also tried to make a custom Devise::Sessions controller but that too didn't seem to work out. Does anyone know how to do this? Should i just use the regular routes for devise with a custom(admin) layout?

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• NAVT WordPress Plugin - Just a quick question

  - by Michael

  Hi, I got this plugin and have created my list etc and it's appearing fine. However, I am wondering how I create a list under another list...like the second level part of the list? I'm trying to create a dropdown menu you see. In the admin, when I try and drag the item over, it will only let me put it in the first level, how do I get it to go under a sub-item? I would consult the NAVT blog etc but the documentation is so poor it's a kind of joke. But I guess it IS free :) Many thanks, Michael

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• How to implement exception chaining in PHP

  - by Josef Sábl

  Constructor for PHP's exception has third parameter, documentation says: $previous: The previous exception used for the exception chaining. But I can't make it work. My code looks like this: try { throw new Exception('Exception 1', 1001); } catch (Exception $ex) { throw new Exception('Exception 2', 1002, $ex); } I expect Exception 2 to be thrown and I expect that it will have Exception 1 attached. But all I get is: Fatal error: Wrong parameters for Exception([string $exception [, long $code ]]) in ... What am I doing wrong?

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• Code Signing Services

  - by bogdan

  I'm developing a System Preference Pane that runs a background application. I'm planning on codesigning the background application and I'll be using the kill flag of codesign (http://gemma.apple.com/mac/library/documentation/Darwin/Reference/ManPages/man1/codesign.1.html). From my understanding, this kill flag will not allow the background application to be run if it's signature doesn't match. My problem with this approach is that it doesn't provide any feedback to the user and, for somewhat reason, the application gets corrupted, it will refuse to launch without any information. I'd like to use the Code Signing Service from the System Preference Pane to check the validity of the background application. However, I couldn't find how to use it to check the validity of an external file. Is this possible using the Code Signing Service or should I NSTask codesign directly? My application is targeted for 10.6 so it doesn't matter which I use. Thank you!

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• Configuring log4net appenders via XML file *and* code

  - by Dave

  I started to play with log4net today and so far, I really like it. In order to preserve our current logging functionality, the app needs to create a new log file whenever the application is started. The log file name has the date and time stamp encoded in it. Currently, I've got log4net configured via an XmlConfigurator, which works great, except that the filename for my RollingFileAppender is hardcoded in the configuration XML file. I'd like to continue to use the XmlConfigurator, but after calling Configure(), I want to get at the RollingFileAppender and, in code, change its file value to be a dynamically-generated string. The sample documentation online seems to be down right now, but I've poked through the SDK reference, and it looks like I could use the Heirarchy and GetAppenders() to do what I need to do. Am I on the right track?

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• How to access the theming Fonts and Colors on GTK/Gnome

  - by Lothar

  Lets say i want to write a special text editor widget. How can i get the default themed colors for texts, selected text and background and which are the users default fonts? I see that GNOME does define 5 special system fonts and default sizes for this purpose in the GNOME Appearance Configuration dialog, but i haven't found a single word in the GTK documentation how to access them (and the GTK mailing list is a joke:-( ). Windows and Cocoa both give me dozens of system values. I found the GtkStyle class but this doesn't seem to be what i need.

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• How to access pixels of an NSBitmapImageRep?

  - by Paperflyer

  I have an NSBitmapImageRep that is created like this: NSBitmapImageRep *imageRep = [[NSBitmapImageRep alloc] initWithBitmapDataPlanes:NULL pixelsWide:waveformSize.width pixelsHigh:waveformSize.height bitsPerSample:8 samplesPerPixel:4 hasAlpha:YES isPlanar:YES colorSpaceName:NSCalibratedRGBColorSpace bytesPerRow:0 bitsPerPixel:0]; Now I want to access the pixel data so I get a pointer to the pixel planes using unsigned char *bitmapData; [imageRep getBitmapDataPlanes:&bitmapData]; According to the Documentation this returns a C array of five character pointers. But how can it do that? since the type of the argument is unsigned char **, it can only return an array of chars, but not an array of char pointers. So, this leaves me wondering how to access the individual pixels. Do you have an idea how to do that? (I know there is the method – setColor:atX:y:, but it seems to be pretty slow if invoked for every single pixel of a big bitmap.)

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• rails accessing value from facebooker hash/array

  - by Ben

  This is my first time using the facebooker plugin with rails, and I'm having trouble accessing user info. The website uses FB connect to authenticate users. I am trying to get the name of the university that the logged in user attends. When I use the command <%= facebook_session.user.education_history[:name] %>, I get an error "Symbol as array index". I have also tried using education_history[1], but that just returns "# Facebooker::EducationInfo:<some sort of alphanumeric hash value>" When I use something like <%= facebook_session.user.relationship_status %> , it returns the relationship status just fine. Similarly, <%= facebook_session.user.hometown_location.city %> returns the city name just fine. I've checked out the documentation for facebooker, but I can't figure out the correct way to get the values I need. Any idea on how to get this to work? Thanks!

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• Setting up gcov in Xcode 3.1

  - by Algorithmic

  I'm trying to setup my Xcode project to be instrumented with gcov so I can determine the code coverage of my unit tests. All of the documentation I find online talks about settings that I don't find in Xcode 3.1, though. An example: To work with Coverstory, first you need to set up your target to work with gcov. This requires turning on "Instrument Program Flow", "Generate Test Coverage Files" and linking with the gcov library. (Using Coverstory) The closest thing I can find to "Instrument Program Flow" and "Generate Test Coverage Files" in my build settings is "Generate Profiling Code", which doesn't appear to do what I want it to do. Am I looking in the wrong place for these settings or are all of the examples I'm finding online stale?

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• An important question on iPhone file writing

  - by Kyle

  I use the NSHomeDirectory() function to get the app's home folder, and write to the Documents directory within that. I'm curious, though, what happens when the user downloads an update for the app in the appstore? Will it all be deleted? When I delete the app on the device, then reinstall it, its wiped out. So, I'm curious to know what will happen with an update. I can't find this in the documentation at all. Thanks alot for reading. I really tried to find this asked somewhere else first, but couldn't. Hopefully this page will be informative to guys like me who are confused on the subject.

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• Core Data fetchedresultscontroller question : what is "sections" for?

  - by Jake

  Hi, I'm trying to get to know Core Data (I'm a noob at iPhone development) and in order to do this I'm trying to get an object from the fetchedresultscontroller and NSlog it's name (a property of the object). I tried to do it like this: NSArray *ar = [NSArray arrayWithArray:[fetchedResultsController sections]]; Task *t = [ar objectAtIndex:0]; NSLog(@"%@", t.taskName); However, the app crashed with this error: the app crashes with the error Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '* -[_NSDefaultSectionInfo taskName]: unrecognized selector sent to instance 0x3d1f670' I have since learned that you need to use the fetched objects property for this, but then what is sections for? Thanks for any help, sorry if this is a supremely stupid question. I've looked over the documentation but still don't understand.

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• does XMLDOMNodePtr::get_text() needs to be deallocated explicitly?

  - by Sammy

  Greetings, Would like to know if we need to explicitly free the string allocated by a xmldomnodeptr using it's get_text() i.e. IXMLDOMNodePtr pNode; /*some code*/ BSTR sValue; pNode->get_text(&sValue); /*Should I do this?*/ SysFreeString(sValue); I cannot see any documentation stating the same, so I'm assuming we need to do explicit deallocation sysfreestring. But, Just need to be double sure :) Thanks in advance. Samrat Patil.

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