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MSDN Remark regards Security Descriptors

- by Doori Bar

I'm trying to extract and restore a Security Descriptor of a NTFS file, via Windows API - XP SP3, I'm trying to understand which functions are actually able to do it properly, but I simply fail. I found this Remark over MSDN: http://msdn.microsoft.com/en-us/library/aa379573%28VS.85%29.aspx "Some SECURITY_INFORMATION members work only with the SetNamedSecurityInfo function. These members are not returned in the structure returned by other security functions such as GetNamedSecurityInfo..." "Some members..." Which members? Why? "Other Security functions such as..." Which functions? Why? Anybody have any experience with extracting and restoring a security descriptor of a NTFS file? Thanks in advance, Doori Bar

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Add a custom class name to Wordpress body tag?

- by Scott B

I'd like to place a directive in my theme's functions.php file which appends a classname to the wordpress body tag. Is there a built-in API method for this? For example, my body tag code is... <body <?php if(function_exists("body_class") && !is_404()){body_class();} else echo 'class="page default"'?>> And it results in the following being written to the body tag (depending on the context in which the page is presented (page, post, logged-in, etc) <body class="home blog logged-in"> Depending on the child theme I'm using at the time, I want it to be... <body class="home blog logged-in mychildthemename">

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Why do apps from Android 2.1 stop working with 2.2?

- by poeschlorn

Hi guys, I've just updated my nexus one to 2.2. Now all of my (own and some from the market) apps throw exceptions and were closed. It's weird, in the app I'm developing atm, there it displays only my start page with buttons, but when I tap on one button to fire an intent to another activity my app gets closed with an exception. Yesterday before the update everything worked fine. The same thing in my emulator: I have two devices, one with API level 7 and one with level 8. Level 7 worked fine, but level 8 killed my app :( What is the problem and how can I solve this? I'm desperatly trying to get it working again :( I hope someone can help me fixing this

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Rewrite Registry File in Windows

- by Vulcan Eager

I have been trying to find a way to "defragment" the registry on my Windows machine. Firstly, does this make sense? Any benefits in doing this? (Not much love on superuser.com) Secondly, I am looking for a way to rewrite the registry using C/C++ with Windows API. Is there a way to read the registry and write it to a new file getting rid of unused bytes along the way? (I might have to write the new file and then boot into another OS/disk before I can overwrite the original... but I am willing to take that risk.)

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How to update (append to) an href in jquery?

- by John Isaacks

I have a list of links that all go to a google maps api. the links already have the daddr (destination) parameter in them as static. I am using Geo-Location to find the users position and I want to add the saddr (source address) to the links once I get the data. so basically I will need to add something like &saddr=50.1234567,-50.03452 at the tail end of all the links pointing to google maps All the links have a class called directions-link and from this page I have figured out how to change them: $("a.directions-link").attr("href", "http://www.google.com/"); However I only want to append my value to the end of the href without changing what the href already is. How can I do that? Thanks!!

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Facebook login within an iframe (but outside FB)

- by Cystack

At some point in my application, I use an iframe. In this iframe, some Facebook stuff could be useful and for that, I use the graph API a lot. Problem is : when someone isn't logged in to facebook or hasn't allowed my application yet, they are prompted to click the "connect with facebook" button. But as soon as they click it, the iframe gets destroyed and the top page is replaced with the Facebook login page. Eventually the top page is redireccted to the previous iframe URL, but the former parent page is lost forever. Is this the intended behaviour of FB connect ? Is there a way to avoid it or to hack around it ? (maybe using a popup instead of an iframe, but that sounds ugly (uglier than an iframe)). I am currently using the PHP SDK Thanks a lot

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C++ new line not translating

- by m3n

First off, I'm a complete beginner at C++. I'm coding something using an API, and would like to pass text containing new lines to it, and have it print out the new lines at the other end. If I hardcode whatever I want it to print out, like so printInApp("Hello\nWorld"); it does come out as separate lines in the other end, but if I retrieve the text from the app using a method that returns a const char then pass it straight to printInApp (which takes const char as argument), it comes out as a single line. Why's this and how would I go about to fix it?

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Emailing a picture to a Google App Engine site

- by Dan Hook

I would like to create an app such that I can send an email with a JPEG attachment and then display it on my site. I am fairly certain that the Mail API allows me to do this, but if it isn't possible please let me know. My biggest concern is what are the limits on the attachment size my app can receive, and what are the quotas related to receiving email? The email quotas I saw seemed to specify quotas for outgoing email. Is it different for incoming mail?

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How do you manually insert options into boost.Program_options?

- by windfinder

I have an application that uses Boost.Program_options to store and manage its configuration options. We are currently moving away from configuration files and using database loaded configuration instead. I've written an API that reads configuration options from the database by hostname and instance name. (cool!) However, as far as I can see there is no way to manually insert these options into the boost Program_options. Has anyone used this before, any ideas? The docs from boost seem to indicate the only way to get stuff in that map is by the store function, which either reads from the command line or config file (not what I want). Basically looking for a way to manually insert the DB read values in to the map.

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Get selected items from explorer using C# .NET 3.5

- by ghawkes

I am writing a .NET 3.5 WPF application in C#. This application needs to be able to get the selected items out of Windows explorer when it is in the foreground. I already have the code working that handles a global Windows hotkey and then checks to see if the foreground IntPtr is from explorer. If so, I am able to obtain the System.Diagnostics.Process object that maps to explorer. At this point, I would like to obtain the list of selected items from explorer. Perhaps there is a Windows API function that I could pinvoke to do this? Thank you, G

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What weird encoding is movistar Venezuela sms on blackberry using?

- by cjp

Send an sms using the normal GSM TextMessage API on the BlackBerry, get back garbage. It's not unicode, phone is set to 7-bit send. Byte size is only off by one. Is there some default crypto thing, or some weird encoding they use? This code works most everywhere else in the world; this definitely seems like a movistar problem. The string that comes back is random 7-bit ascii except for a few high order bytes. Needless to say the source input text is totally 7 bit chars, which should work in sms, ISO-8859 and look the same in UTF charsets. Anybody seen this or got sms working in code on movistar VZ blackberries?

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How do I use link_to_remote to pass then render a partial in rails?

- by Angela

I want to create several link_to_remote links that are campaign names: <% @campaigns.each do |campaign| %>  <%= link_to_remote(campaign, :update => "campaign_todo", :url => %> <% end %> I want the output to update on the page to render a partial, which runs a loop through the values associated with the campaign. The API docs says this will render a partial, but I'm not clear where the name of the :partial template is passed in, either here or in the controller Thanks.

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Difference between the Document classes

- by takoi

I've been reading the javadocs trying to grasp around the swing Document API but I cant get something sensible out of it because there's so many classes: Document, StyledDocument, AbstractDocument, DefaultStyledDocument, PlainDocument, HTMLDocument, and someone mentioned DocumentFilter. This question is more on a general basis so can someone give an overview of the differences between the implementations and when the different interfaces and abstracts are for? For my specific case what I want to achieve is a data structure that will: hold three lines of text only. And attributes must not be per line or document. I will have a couple of thousand of these in some other structure so overhead is important. Anything that i can use for this or is it better to extend something? If so, what?

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Finding data file location while using Microsoft Test Framework

- by Nair

I have been using NUnit and now I am switching to the Microsoft Unit Test frame work. In my test project I have a folder called TestData and I kept all my test input data files there. I want to use that files for my unit testing. In my test code, I am using Application name space and assembly name space but I can not get to the data folder directly until unless I write a code to find and replace some string to point to the data folder. I am sure someone might have run into the same problem, is the solution to change the path through program or is there a API call which will let us get to executing assembly folders? Thanks,

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Is PThread a good choice for multi-platorm C/C++ multi-threading program?

- by RogerV

Been doing mostly Java and smattering of .NET for last five years and haven't written any significant C or C++ during that time. So have been away from that scene for a while. If I want to write a C or C++ program today that does some multi-threading and is source code portable across Windows, Mac OS X, and Linux/Unix - is PThread a good choice? The C or C++ code won't be doing any GUI, so won't need to worry with any of that. For the Windows platform, I don't want to bring a lot of Unix baggage, though, in terms of unix emulation runtime libraries. Would prefer a PThread API for Windows that is a thin-as-possible wrapper over existing Windows threading APIs. ADDENDUM EDIT: Am leaning toward going with boost:thread - I also want to be able to use C++ try/catch exception handling too. And even though my program will be rather minimal and not particularly OOPish, I like to encapsulate using class and namespace - as opposed to C disembodied functions.

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Why are Objective-C instance variables declared in an interface?

- by Chase

I'm just getting into Objective-C (Java is my primary OO language). Defining an object's instance variables in the interface instead of the class seems strange. I'm used to an interface being a public API definition with nothing besides method signatures (not counting constants here). Is there some reason that state is defined in an interface (even if it is private) and behaviour is defined in a class. It just seems odd that since objects are state+behavior that the definition would be split into two separate places. Is it a design benefit is some way? A pain in the rear issue that you are just forced to deal with in Objective-C? A non-issue, just different? Any background on why it's done this way? Or can you put object state in a class and I just haven't hit that part in my book yet?

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Determining whether a class implements a generic list in a T4 template

- by James Hollingworth

I'm writing a T4 template which loads some classes from an assembly, does some analysis of the classes and then generates some code. One particular bit of analysis I need to do is to determine whether the class implements a generic list. I can do this pretty simply in C#, e.g. public class Foo : List<string> { } var t = typeof(Foo); if (t.BaseType != null && t.BaseType.IsGenericType && t.BaseType.GetGenericTypeDefinition() == typeof(List<>))) Console.WriteLine("Win"); However T4 templates use the FXCop introspection engine and so you do not have access to the .net reflection API. I've spent the past couple of hours in Reflector but still can't figure it out. Does anyone have any clues about how to do this?

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Real time App with Facebook

- by Casebash

Does Facebook provide access to any real time APIs so that you can respond to events as soon as they happen? If not, what alternatives are there and what are their limitations? For example, if I use polling instead, will they limit my api calls? And if I try using RSS feeds, about how much delay can I expect? Or maybe it would be possible to receive and process email notifications (if I could convince a user to forward mail to another email address), as they seem to be dispatched pretty promptly?

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Android game engine for 2d and 3d games?

- by javame_android

Hi, There is a library called cocos-2d for iphone. There are number of games developed with that nowadays. Also, there is cocos-2d library available for Android too. I just wanted to know if that is also as stable as iphone one or its still not stable to be used in development. Also, is there any other game engine available for Android? The ones that I know is AndEngine. Which one is better for development? If not both then will it better to develop using core Android API rather than using any game engine.

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Java SWT - dissolve (fade) from one image to the next.

- by carillonator

I'm pretty new to Java and SWT, hoping to have one image dissolve into the next. I have one image now in a Label (relevant code): Device dev = shell.getDisplay(); try { Image photo = new Image(dev, "photo.jpg"); } catch(Exception e) { } Label label = new Label(shell, SWT.IMAGE_JPEG); label.setImage(photo); Now I'd like photo to fade into a different image at a speed that I specify. Is this possible as set up here, or do I need to delve more into the org.eclipse.swt.graphics api? Also, this will be a slide show that may contain hundreds of photos, only ever moving forward (never back to a previous image)---considering this, is there something I explicitly need to do in order to remove the old images from memory? Thanks!!

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Bootstrap site mobile view not using full viewport

- by jbarnett

I'm currently making a responsive blog using the bootstrap 3.0 framework. I'm using the 1197 Max-width container for my content and it renders fine on desktops. However, when I try opening the site on my phone (I'm using an Android Galaxy Note 2), there is a lot of extra padding on the right and left sides of the viewport. I've tried following the API docs and guides as close as possible, but still can't get this to work. Here is the site I am working on http://www.justinbar.net Does anyone know what is going on with this? Am I doing something wrong, or do I need to override default behavior (which sounds a bit hacky to me).

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Rails - set POST request limit (file upload)

- by Fabiano PS

I am building a file uploader for Rails, using CarrierWave. I am pretty happy about it's API, except that I don't seem to be able to cut file uploads that exceed a limit on the fly. I found this plugin for validation, but the problem is that it happens after the upload is completed. It is completely unacceptable in my case, as any user could take the site down by uploading a huge file. So, I figure that the way would be to use some Rack configuration or middleware that will limit POST body size as it receives. I am hosting on Heroku, as context. *I am aware of https://github.com/dwilkie/carrierwave_direct but it doesn't solve my issue as I have to resize first and discard the original large image.

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ASP.NET MVC - Typesafe Html.TextBoxFor with different outputmodel

- by BjartN

My view uses ModelX to render my HTML form and my controller action takes ModelY as input when saving the form. It seems the typesafe textbox API assumes I am using the same model in both places. Is it possible to use different models and beeing type safe without creating my own helpers ? <% = Html.TextBoxFor(x => x.Text) %> I would like something like this. Does it exist ? <% = Html.TextBoxFor<InputModel,OutputModel>(input=>input.Text, output=>output.SomeOtherText)

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ValidateRect vs BeginPaint

- by Armentage

From the MSDN documentation: The BeginPaint function validates the entire client area. The ValidateRect function should not be called if a portion of the update region must be validated before the next WM_PAINT message is generated.1 I've been programming with Win32 API for years, and I've never thought to call the ValidateRect function. A co-worker of mine today pointed that we were missing a call to ValidateRect, which fixed a bug we were having doing some high-speed animation using GDI (I know, an oxymoron) Can someone tell me whether or not a call to ValidateRect is neccessary after a BeginPaint/EndPaint pair? I have seen no documentation at MSDN that sheds light on this, and what documentation and examples I do see that you do not need to.

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Handling orientation changes yourself

- by synic

From the documentation regarding the android:configChanges='orientation' attribute of the activity tag in the manifest: Note: Using this attribute should be avoided and used only as a last-resort. Please read Handling Runtime Changes for more information about how to properly handle a restart due to a configuration change. Why does it say this? In the case of threads and networking requests via a service API library, a request could be made with a reference to the original Activity, and then an orientation change could occur, leaving the thread pointing to the old Activity. While this can be fixed, it's tedious and ugly compared to just handling the configuration changes yourself. Why should it be avoided?

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