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• Pass structured data from C++ app to ASP.NET web service.

  - by Odrade

  I have Visual C++ application that needs to communicate with a ASP.NET web service. Specifically, the app needs to pass structured data (e.g. objects that contain lists of structures, etc) as a parameter to one of the service methods. The C++ application is already generating an xml document that contains this data. The document is generating using an xml library, so it should always well-formed. What is a good method for passing this data to the web service? I'm thinking about passing the document to the web service as a string parameter, then deserializing to a .NET object based on an xsd. But, I hear that passing an xml doc as a string parameter is not recommended. So, my questions: What are the pitfalls associated with sending the document as a string parameter, assuming that the document itself is always well-formed? Assuming the above is a bad idea, what are some good alternate approaches?

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• How to set Camera View as background with views over it?

  - by Android Student

  So, I'm trying to make the background to one of my apps look "futuristic." I thought of an idea to make the screen look almost transparent yet have views over it. So, it would look something like this: I'm thinking that I can use the camera to capture the background of the phone (without taking a picture, just having the real time view in the background) and then, if possible, place a semi-transparent slightly blurred ImageView over that. Finally, on top of that I can place the other views including the ImageButtons. So, my question is how would I go about doing this? I have searched but haven't found anything relevant. It must be possible; its just how to do it? I don't expect you to give me all the code as an answer, just if you have any ideas that can help or links or code that can point me in the right direction, it would be greatly appreciated! Thanks!

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• PHP - MySQL - Select runs indefinitely

  - by John

  I have three tables listings: id, pid, beds, baths, etc, etc, etc, db locations: id, pid, zip, lat, lon, etc, etc, etc, db images id, pid, height, width, raw, etc, etc, db id, pid & db are indexed. db just references the mls provider a particular item came from. in images the raw column holds raw image data there are about 15k rows in listings/locations, and about 120k rows in images so there are multiple rows that have the same pid. when i do "select pid from listings" or "select pid from locations" the query completes successfully in about 100ms. when i do "select pid from images" it just hangs in sqlyog and never completes... i was thinking since the raw column contains alot of information that it might be trying to select that too, but my query doesn't try to select that so I can't imagine why it's taking so long... any idea why this is happening??

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• What is the best strategy for a streaming screen capture application ?

  - by The_AlienCoder

  Ok Ive figured out how to do a screen capture of my desktop using Windows Media Encoder 9 + SDK and saving it as a movie on my hardrive. But now I want to take my project further and stream a realtime screen capture of my desktop . The idea is that users accessing my asp.net website will be able to view whatever Im doing on my desktop in real time via the video streaming from my computer. I really dont need the source code just the best strategy, procedure and server requirements.How will users access the streaming video on my website? Will it work on my godaddy shared hosting account or at what point will I need an upgrade? Will I be saving the stream to a file on the server for users to access or is there a way to stream directly ? I just need someone to point me in the right direction...

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• PrintingPermissionLevel, SafePrinting, and restrictions

  - by Steve Cooper

  There is a PrintingPermission attribute in the framework which takes a PrintingPermissionLevel enumeration with one of these values; NoPrinting: Prevents access to printers. NoPrinting is a subset of SafePrinting. SafePrinting: Provides printing only from a restricted dialog box. SafePrinting is a subset of DefaultPrinting. DefaultPrinting: Provides printing programmatically to the default printer, along with safe printing through semirestricted dialog box. DefaultPrinting is a subset of AllPrinting. AllPrinting: Provides full access to all printers. The documentation is really sparse, and I wondered if anyone can tell me more about the SafePrinting option. What does the documentation mean when it says "Provides printing only from a restricted dialog box." I have no idea what this means. Can anyone shed any light? This subject is touched in the MS certification 70-505: TS: Microsoft .NET Framework 3.5, Windows Forms Application Development and so I'm keen to find out more.

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• Delete cache when web browser is close.

  - by Edy Cu

  Hi all. I have issue about multiple login in asp.net. Case this happen: User X login as "user1" in web browser. Then user Y also login as "user1" also in another web browser. User Y got error message "Another user log in some account". That is work as expected. If X, close their web browser. Then try again to login in as "user1". X get also get "Another user log in some account". So i trying debug then i found session is remove when web browser is close, but cache still remaining in web browser. Anyone have idea about this how to clear cache when user close their browser, (not tab). Regard.

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• Showing and hidding a DIV

  - by user1741568

  I'm in the process of building a gallery for my public art pieces. I was wondering if there was an easy way to show and hide a div? I only want the concept text to be seen on the first page of the following link: http://www.gerardtonti.com/PresentTense/PresentTense.html Right now I have the concept in a div called "concept" set to absolute positioning. Is there also a way for the text to conform relative to the size of the window like the background image? I've also tried using an iframe and colorbox instead of a div but had no idea how to make the iframe visible only on the first slide as well. Wether using an iframe or div, I was wondering if it was possible to hide either on the frames that follow the first slide. Any help would be greatly appreciated. Thank you, Gerry

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• PHP to make vars and values part of array

  - by Chris

  I currently have this function to search and replace in a text file. // Input $ect = array('Visssa', 'Lisssa', 'her'); // Placeholders in the file $put = array('lname', 'fname', 'hisher'); // Replace the placeholders $oput = str_replace($put, $ct, 'tmpfile.txt'); This is not the full program but the idea is replace the values found in tmpfile.txt with the ones found in the $etc array. And it works flawlessly. But, what I need to do is get all passed vars (get/post) and then make the arrays so that the var is the value to replace and the value is the value to replace it with. So, if I sent the url http://xyz.com/?lname=tom&ogre=yes All instances of lname in the file would be replaces with tom and all instances of ogre would be replaced with yes. So somehow it just gets any/all variables passed in get/post and then the arrays showed above would cause the var to be replaced by the value in the file.

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• Write a serverside c++/openGL App, that is accessible via JavaScript

  - by moka

  Hi, I am currently having an idea where I want to save an image from a c++/openGL application on demand from a browser. So basically I would like to run the application itself on the server and have a simple communication layer like this: JS - tell application to do calculations (and maybe pass a string or some simple data) application - tell JS when finished and maybe send a link, text or something as simple as that. I don't really have alot of experience with webservers and as such don't know if that is possible at all (it's just my naive thinking). And note: I am not talking about a webGL application, I just want to have simple communication between a c++ serverside application, and the user. Any ideas how to do that? Thanks alot!

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• Is Android reference at android.com good enough

  - by the100rabh

  Hi, I am a C++ developer, but have a fair idea of Java as I learnt it in college 5years ago. I have been trying to learn programming for android. But instead of rushing to buy books, I have tried to read through the Android Dev Guide and learn from there making use of the sample applications. Thats besides SO ofcourse. I am trying to make some apps based on ideas I have. So my question is, Is it suitable or possible to learn android programming this way. Or is there something that I will be missing in all this.

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• Running script constantly in background: daemon, lock file with crontab, or simply loop?

  - by Mauritz Hansen

  I have a Perl script that queries a database for a list of files to process processes the files and then exits Upon startup this script creates a file (let's say script.lock), and upon exit it removes this file. I have a crontab entry that runs this script every minute. If the lockfile exists then the script exits, assuming that another instance of itself is running. The above process works fine but I am not very happy with the robustness of this approach. Specifically, if for some reason the script exits prematurely and the lockfile is not removed then a new instance will not execute properly. I would appreciate some advice on the following: Is using the lock file a good approach or is there a better/more robust way to do this? Is using crontab for this a good idea or could I better write an endless loop with sleep()? Should I use the GNU 'daemon' program or the Perl Proc::Daemon module (or some other equivalent) for this?

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• How do I set properties related to the calling method's scope?

  - by Thiado de Arruda

  I'm not looking for a way to associate values with a thread using the 'SetData' method. I need to store some kind of data that will only exist during the scope of a calling method, could be the immediate parent or any other call that is made down on the stack. For example: void SomeMethod() { string someInfo = "someInfo"; SomeOtherMethod(); object data = GetDataOnCurrentScope("someKey"); } void SomeOtherMethod() { SetDataOnParentScope("someKey", somevalue); } In this case both the 'someInfo' local variable and the data set with the "someKey" key will disapear after 'SomeMethod' returns. Is something like this possible? This may go against the rules of a stack, but who knows if someone has an idea...

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• Switching to FormViewMode.Edit is very slow

  - by Tim

  When i switch an ASP.Net Formview from readonly mode to edit mode it takes more than 6 seconds(from edit to readonly takes a split second). I have no idea whats the reason for it. The EditItemTemplate contains a lot of controls(table,textboxes,dropdownlists) but in fact not more than the ItemTemplate has. Yet i have even commented out the complete FormView.DataBound where the controls are data bounded but without significant change. My ASP.Net Web Apllication is using Ajax and the Formview is completely nested in an UpdatePanel. Any suggestions or assumptions for this behaviour?

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• Radio Buttons not highlighting as though they are selected

  - by Ryan

  I'm working on an android activity with a RadioGroup containing 10 RadioButtons. For some reason or another sometimes, only sometimes, when you select a RadioButton in the RadioGroup it doesn't highlight as if it's selected but through some tests I've determined that it really IS selected even though it isn't highlighted. Another odd thing that occurs is that when you select any other RadioButton in the RadioGroup and then try selecting your original Radio Button (the one that wouldn't highlight as though it were selected) it does highlight and functions as normal. Any idea why this is happening or how to fix it? Thanks!

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• C# app that uses Excel Interop, easy switch between 2003 2007?

  - by user320781

  I have an app written that just does really basic I/O on a spreadsheet. Read in a bunch of cells, do some sorting, and dump the output back into another spreadsheet. Works great on my machine. I have Office 2003 installed. When it runs on someone elses machine with 2007, it bombs, presumably due to the different versions of the Interop assemblies. I was hoping someone knew a way to dynamically change which/where the assembly is loaded from depending on the office version (getting the office version is easy from the registry). Sifting thru the rest of the internet, i didnt see anything to indicate that was possible :( . I tried installing the 2007 PIAs, but when i try to add a reference, they dont show up and i have no idea where to browse for them (they arent in the c:\windows\assemblies\; maybe the install didnt work). Am I going to have to get a machine with 2007 installed to build on every time i need to make updates?

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• jquery ui-effects-wrapper causing havoc

  - by vondip

  Hi all, I am using jquery-ui and at some point I use the show and hide functions quite heavily to animate changing images coming in and out. From some reason, after a few tries all of a sudden the controls on my page stop responding to clicks. After a bit of poking arround using firebug I discovered my page is filled with div's of the class ui-effects-wrapper. I have no idea why this happens or how to stop it. If I remove these divs I can no longer see the images I've been animating. Any ideas?

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• PHP: Accessing an object property with a variable.

  - by Peter

  Let's assume I have an array of object properties I'd like to access: $properties = array('foo', 'bar'); I'd like to loop through the object and access these properties dynamically (specifically, I'm trying to dynamically handle missing JSON elements based on an array of expected elements): foreach ($data as $item) { foreach ($properties as $property) { if (empty($item->{$property})) { // Do something } } } Each $item in $data should have the properties 'foo' and 'bar'. If empty(), I'll handle them. I'm trying to get the loop (in line 3) to access $item-{'foo'} and $item-{'bar'}, but it's not working. Any idea why? Thanks!

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• PHP Datediff days involved

  - by user3549835

  I need to know how many days are involved in a date diff. \For example: <? $start = new DateTime('2014-06-29 14:00:00'); $ende = new DateTime('2014-07-02 05:45:00'); $diff = $start->diff($ende); echo $diff->format('%R'); echo $diff->days; ?> The above code echos +2 My desired result would be 4, because the 29th, 30th, 1st and 2nd of July are "touched". I have no idea to achieve that with the given functions. Coding a day-subtraction seems to bean open door for errors.

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• How to dynamically load and switch the resource file in the web app (ASP.NET) without recompiling ?

  - by Thomas Wanner

  I would like to store the resource files (containing texts for labels etc.) for my web application in the database to be able to edit and create them dynamically later (probably in the UI). My idea was to store the whole resx file in an xml column and simply load it on demand - depending on the language and some other attributes of the current user when he is logging into the application or switching the context. The important thing is that the resources do not only depend on the culture info of the user but also on some context information that can be switched by user without logging off and on again (in our case called "group", not having anything to do with a group of users). Is it possible somehow to load the contents of the resources from an external source and simply switch them without web application being recompiled by the server ? I know that there are some interfaces on which I could hook up and implement a custom resources provider which reads from the database directly but if it could work somehow with the resx files it would probably make things a lot easier..

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• Javascript error in Setting focus to a textbox inside a lightbox(Overlay) window.

  - by Rishabh Ohri

  Hi All, I have a textbox, a button and a "AdvancedSearch" link on my aspx page. On page load, the focus is set to the textbox. On click of the "AdvancedSearch" link, a lightbox(overlay) window will be opened. I want to set focus to a textbox present within this lightbox window. I am using javascript to achieve this. The code looks somewhat like this: if( element.type != "hidden" && element.style.display != "none" && !element.disabled ) { element.focus(); return; } when the lightbox window loads, i get a javascript error - "Can't move focus to the control because it is invisible, not enabled, or of a type that does not accept the focus" Any idea why this error is thrown and why it is not able to set focus to the textbox in the lightbox window? Thanks, Rishab.

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• Live Mesh has screwed up my file permissions

  - by Jason

  I got the bright idea of using Live Mesh to sync up my development directories between my laptop and desktop machines. It appears that the permission on any new files that are added through Live Mesh do not inherit permissions from the parent directory. Now I cannot overwrite the permissions on those files. I keep getting an "Access is Denied" error when attempting to do so, even if I am running Windows Explorer as administrator. I have two questions: How can I modify the file permissions to allow them to inherit again? Has anyone used Live Mesh to do this sort of thing? Or should I be using FolderShare instead?

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• Reading Microsoft word document in iphone

  - by Arnieterm

  Hi All Using CGPDFDocument class we can read pdf document, get number of pages, get a page by number. Is there any other library that helps us reading word documents like microsoft word doc where we can get number of pages and get a page by its number etc? Do not want to use safari to view the document. I have seen some apps on app store that claims to read MS Office docs like docx, xlsx etc. Does there exists any library [even static] that we can make use of? Any idea? Thanks Arnieterm

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• Attributes passed to .build() dont show up in the query

  - by Sebastian

  Hi there guys! Hope your all enjoying your hollydays. Ive run into a pretty funny problem when trying to insert rows into a really really simple database table. The basic idea is pretty simple. The user selects one/multiple users in a multiselect which are supposed to be added to a group. This piece of code will insert a row into the user_group_relationships table, but the users id always @group = Group.find(params[:group_id]) params[:newMember][:users].each do |uid| # For debugging purposes. puts 'Uid:'+uid @rel = @group.user_group_relationships.build( :user_id => uid.to_i ) @rel.save end The user id always gets inserted as null even though it is clearly there. You can see the uid in this example is 5, so it should work. Uid:5 ... SQL (0.3ms) INSERT INTO "user_group_relationships" ("created_at", "group_id", "updated_at", "user_id") VALUES ('2010-12-27 14:03:24.331303', 2, '2010-12-27 14:03:24.331303', NULL) Any ideas why this fails?

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• show count of rows between 2 dates

  - by hello

  I am trying to show the number of rows that have a created_at date between 2 dates. Here is my code: $result=mysql_query("select * from payments where created_at between '2013/10/01 00:00:00' and '2013/10/30 00:00:00'") or die('You need to add an administrator ' ); $counter = mysql_query("select * from payments where created_at between '2013/10/01 00:00:00' and '2013/10/30 00:00:00'"); $row = mysql_fetch_array($result); $id = $row['id']; $num = mysql_fetch_array($counter); $countjan = $num["id"]; However when i echo (<?php echo"$jan";?>)this shows as 0 any idea how i can get this to work P.s there is 1 row within this date range

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• Debuggin in Xcode

  - by huggie

  I'm toying with iPhone app development. Often times I would run into runtime error and I would have no idea where the error occurs (e.g. the exact line). In console app with GCC I could at least compile with the -g flag. dump a core file and read that core file in to get to the last line that got into trouble. But how would I do that in Xcode? Build and Debug doesn't seem to have the debugging symbol loaded.

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