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• How to refresh to entire device's screen (Windows Mobile)?

  - by walidad

  Hi everybody, I'm working on a simple application that draws an alpha-blended picture on the screen's Device Context every 2 secs, I want to refresh the screen contents before the drawing operation (To erase the drawn pic), I have used many many trick but unfortunately, the screen won't refresh correctly, some regions still keep portions of the drawn pic I'm really frustrated from this issue :( These are the sources codes I have used, I'm using C# SendMessage(HWND_BROADCAST, WM_SYSCOLORCHANGE, IntPtr.Zero, IntPtr.Zero); // wasted time in the refreshing process is enough to keep this. UpdateWindow(HWND_BROADCAST);// does not work at all! InvalidateRect(IntPtr.Zero,IntPtr.Zero,true); // the same goes here. SendMessage(HWND_BROADCAST, WM_PAINT, IntPtr.Zero, IntPtr.Zero); // pfffff ! SendMessage(HWND_BROADCAST, WM_SETTINGCHANGE, new IntPtr(SPI_SETNONCLIENTMETRICS), IntPtr.Zero); // trying to refresh the explorer, no resutl I used also EnumWindows and call back , very slow and does not fit my case. I wanna refresh the whole screen Help please! Regards Waleed

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• Building two executables in one project

  - by Rui Pacheco

  Hi, I've a project that must produce two executables: the main application and an executable that is called by a separate process. I've created the second file in Xcode and added a second target of type Cocoa Shell Tool. I can now build the second executable but when I try to build my project normally I get an error saying there's two executables present: ld: duplicate symbol _main in <path>/SecondExecutable.o and <path>/main.o (<path> was added by me to protect the innocent and their intelectual property). How can I configure Xcode to build both at the same time?

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• Splitting string on probable English word boundaries

  - by Sean

  I recently used Adobe Acrobat Pro's OCR feature to process a Japanese kanji dictionary. The overall quality of the output is generally quite a bit better than I'd hoped, but word boundaries in the English portions of the text have often been lost. For example, here's one line from my file: softening;weakening(ofthemarket)8 CHANGE [transform] oneselfINTO,takethe form of; disguise oneself I could go around and insert the missing word boundaries everywhere, but this would be adding to what is already a substantial task. I'm hoping that there might exist software which can analyze text like this, where some of the words run together, and split the text on probable word boundaries. Is there such a package? I'm using Emacs, so it'd be extra-sweet if the package in question were already an Emacs package or could be readily integrated into Emacs, so that I could simply put my cursor on a line like the above and repeatedly invoke some command that splits the line on word boundaries in decreasing order of probable correctness.

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• Modifications in default document (ASP.NET+IIS7) won't take effect

  - by Wilson

  We have a website developed by ASP.NET+IIS7 and its default document is default.aspx. It works fine. But when we tried to switch the default to index.html, weird things happened. We have modified web.config as follows: <defaultDocument> <files> <clear /> <add value="index.html" /> </files> </defaultDocument> and we have clear everything under C:\Windows\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files``, and restart the worker process. We even changed the name of Default.aspx to dddd.aspx. But everything stays the same when accessing with http://localhost/<MyAppName>/! And when we tried to access with http://localhost/<MyAppName>/index.html, it works fine. Any suggestions would be highly appreciated.

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• Key logging in .NET

  - by Moshe

  Is it possible to write a key logger in Visual Basic.NET? Is this the right language to be using? So far, I've gotten a console app to read input and append to a file. 1)How can I make a .NET program "catch" all keyboard input? 2)How do I make a process not show up in Task Manager? This is not for a virus, but rather a parental control program for a specific clientele. No malicious intent here.

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• NServiceBus is blocking when hosted in ASP.NET web application

  - by Dale Niemeyer

  Hello, I created a simple web application where a search form is filled out, submit button clicked, and a message is sent with the search parameters via nServiceBus. I also have a handler in the same project that picks up the message (from the same queue). For some reason, the web server process blocks until after the message is picked up, is there any reason for this? I set a breakpoint in the message handler and it breaks before the request finishes... locking the browser until I allow the code to continue. I would expect control to return to the browser regardless of when the handler gets fired... Thanks, D.Niemeyer

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• Is there any explorer.exe problem in windows 7 ?

  - by sml

  s += "<p style=\"text-align: left;\"><a href=\"javascript:window.print()\">PRINT</a></p>"; System.IO.File.WriteAllText(@"CheckForm.html", s); System.Diagnostics.ProcessStartInfo startInfo = new System.Diagnostics.ProcessStartInfo(); startInfo.FileName = "explorer.exe"; startInfo.Arguments = "CheckForm.html"; System.Diagnostics.Process.Start(startInfo); I'm having a trouble when I tried to open my c# windows application in windows 7 otherwise there is no problem. I couldn't open explorer.exe in Windows 7 with above code. Any suggestions?

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• Office Automation Libraries

  - by Ian

  Some time ago I posted about a question about reading Excel files as a server process, to get around the tighter restrictions Microsoft have been applying on Office Automation. I now need to extend this, by finding methods/libraries to read other sorts of Office files in an automated way on a server. The applications I'm interested in are Word, Powerpoint, Project and to a lesser extent Word and Visio. I need to be able to support 97-2003 office files, and the newer open xml formats (e.g. xlsx, docx) at a very least. With regards to Word integration, I also need to be able to handle writing/reading RTF text. If anyone has any suggestions I'd be pleased to hear them. Thanks

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• Streaming a non-PCM WAV file to a SilverLight application

  - by Satumba

  Hi, I would like to allow users to play recorded WAV files that stored on a server back to a Silverlight application as a client to play them. I saw that there is a way to play a WAV file on Silverlight (here), but when i tried to impliment it, i got an error playing the file because it is not in PCM format but encoded. The files that i'm trying to play are encoded with a special encoder, so i thought that the only way is to decode the WAV file on the server and stream it back to the client. The limitation is that the decode process should occur in real time because it is not reasonable to convert all the WAV files that exists. Is it possible to do it? Which streamer can i use? (Windows Media Service can help here?) Does somebody has any experience with such a scenario? Appreciate your help.

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• Implicit casting Integer calculation to float in C++

  - by Ziddiri

  Is there any compiler that has a directive or a parameter to cast integer calculation to float implicitly. For example: float f = (1/3)*5; cout << f; the "f" is "0", because calculation's constants(1, 3, 10) are integer. I want to convert integer calculation with a compiler directive or parameter. I mean, I won't use explicit casting or ".f" prefix like that: float f = ((float)1/3)*5; or float f = (1.0f/3.0f)*5.0f; Do you know any c/c++ compiler which has any parameter to do this process without explicit casting or ".f" thing?

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• Cannot install Ruby on CentOS

  - by James

  Hey folks, I just cannot install Ruby on my CentOS (which is also hosting a cPanel). sudo yum install ruby ruby-devel ruby-irb ruby-rdoc ruby-ri audit_log_user_command(): Connection refused Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile base: mirror.sov.uk.goscomb.net updates: mirror.sov.uk.goscomb.net addons: mirror.sov.uk.goscomb.net extras: mirror.sov.uk.goscomb.net base | 1.1 kB 00:00 updates | 951 B 00:00 addons | 951 B 00:00 extras | 1.1 kB 00:00 Excluding Packages in global exclude list Finished Setting up Install Process Parsing package install arguments No package ruby available. No package ruby-devel available. No package ruby-irb available. No package ruby-rdoc available. No package ruby-ri available. Nothing to do What can be the problem? Thanks

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• What should every programmer know?

  - by Matt Lacey

  Regardless of programming language(s) or operating system(s) used or the environment they develop for, what should every programmer know? Some background: I'm interested in becoming the best programmer I can. As part of this process I'm trying to understand what I don't know and would benefit me a lot if I did. While there are loads of lists around along the lines of "n things every [insert programming language] developer should know", I have yet to find anything similar which isn't limited to a specific language. I also expect this information to be of interest and benefit to others.

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• Unable to commit to Subversion

  - by Ewan Makepeace

  I have a client who had to rebuild his automated build server. He checked out his project folder from my subversion server but is now no longer able to commit - he gets this error: Error: Commit failed (details follow): Error: Cannot write to the prototype revision file of transaction '551-1' because a Error: previous representation is currently being written by another process Finished!: I have searched Google but although this error has been often reported there is no clear explanation - does anyone on StackOverflow have a solution? UPDATE: Nobody else commits to that repository, so it was not a transaction stuck (at least not from another user). In the end we found that permissions were not set correctly. Not that you would know it from this message, but that fixed the problem.

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• After dynamically changing a form submit function causes old function to get called once then new fu

  - by cnobile

  I am setting the submit function on a form with jQuery then later in the process I reset the function to something else. What happens is the original function gets called again then the new function when only the new function should have been called. I am sending the requests with AJAX. The first one validated the values on the server then asks if you want to continue. Clicking the submit again should only call the changed function but for some reason both get called simultaneously with a single click. What is happening here? Could jQuery be delaying the the setting of the 2nd function on the form submit?

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• Is there way to find when self signed certificate will expire for Adobe Air application?

  - by tyler

  Hi, I have to release my Adobe Air application but the build process was "setup" by a different developer. (He made a self signed cert and wrote a batch file to call adt for packaging the application). Adobe mentions that such self signed certificates are valid for 5 years. Now I have no idea when that certificate will expire as I don't know when it was created. Also will my installed application stop working on expiry or only new installations will fail ? Thanks.

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• What happens with TCP packets between two Socket.BeginReceive calls?

  - by Rodrigo

  I have a doubt about socket programming. I am developing a TCP packet sniffer. I am using Socket.BeginAccept, Socket.BeginReceive to capture every packet, but when a packet is received I have to process something. It is a fast operation, but would take some milliseconds, and then call BeginReceive again. My question is, what would happen if some packets are sent while I am processing, and haven't called BeginReceive? Are packets lost, or are they buffered internally? Is there a limit?

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• Testing complex entities

  - by Carlos

  I've got a C# form, with various controls on it. The form controls an ongoing process, and there are many, many aspects that need to be right for the program to run correctly. Each part can be unit tested (for instance, loading some coefficients, drawing some diagnostics) but I often run into problems that are best described with an example: "If I click here, then here, then change this, then re-open the form, then click here, it crashes or produces an error" I've tried my best to use common code organisational ideas (inheritance, DRY, separation of concerns) but there never seems to be a way to test every single path, and inevitably, a form with several controls will have a huge number of ways to execute. What can I read (preferably online) that addresses this kind of issue, and is there a (non-generic) term for it. This isn't a specific problem I'm having, but one that creeps up on me, especially with WinForms.

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• Best way to structure AJAX for a Zend Framework application

  - by John Nall

  Sorry, but there's a lot of outdated and just plain bad information for Zend Framework, since it has changed so much over the years and is so flexible. I thought of having an AJAX module service layer, with controllers and actions that interact with my model. Easy, but not very extensible and would violate DRY. If I change the logistics of some process I'll have to edit the AJAX controllers and the normal controllers. So ideally I would load the exact same actions for both javascript and non-javascript users. I have thought about maybe checking for $_POST['ajax'], if it is set I would load a different (json'y) view for the data. Was wondering how/a good way to do this (front controller plugin I imagine?) or if someone can point me to an UP TO DATE tutorial that describes a really good way for building a larger ajax application. thx

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• How to catch printf from a dll?

  - by Xarx

  I've got a C++ console application that uses a third-party dll (jvm.dll, indirectly) that uses printf to print various error messages (Java stacktrace). I need to catch these stacktraces to a string in order to process them further, or at least to see them printed on the console. The thing is that I see the stacktrace only when debugging my application in VisualStudio (VS 2010). When I run my application in the "normal way", i.e. from the command line, nothing is printed on the console. So VS is able to somehow interfere the java output and display it. I need to be able to do the same thing. I've already tried freopen(), but without success. Also, I've found this question on the same problem, but without a clear answer.

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• language to create flowcharts

  - by robintw

  Hi, This seems like something which must have been answered before, but I can't find anything appropriate in the question archives. Basically, I'm looking for a little Domain Specific Language to create flowcharts. I'm terrible at graphic design and making things look nice, and I'd really like a langauge where I could write something in code and it would produce a pretty flowchart. I've come across GraphViz, but it seems more suited to creating things like Finite State Machine diagrams, rather than process flowcharts. It also doesn't have the simple DSL-style front-end that would allow me to easily work it. Any ideas? I'm sure this must have been done before... Robin

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• Android application chrashes after "share" intent

  - by Johe Green

  Hi, My app offers a "share/tell-a-friend" function. When the "share" button is pressed the following method is being called to open a list of apps, which can perform the action (Eg. Gmail, Twittroid, Facebook...): public void share() { Intent shareIntent = new Intent(android.content.Intent.ACTION_SEND); shareIntent.setType("text/plain"); shareIntent.putExtra(android.content.Intent.EXTRA_SUBJECT, getText(R.string.menu_share_subject)); shareIntent.putExtra(android.content.Intent.EXTRA_TEXT, getText(R.string.menu_share_body)); startActivity(Intent.createChooser(shareIntent, getText(R.string.menu_share_intent))); } The sharing functionality works basically. But when the sharing app (Facebook, Twitter, ...) tries to return to my app, a force close is thrown. I guess that my app gets closed in the background during the sharing process... at least that is what the debugger sais... Any ideas?

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• How to repeat a particular execution multiple times

  - by Joshua

  The following snippet generates create / drop sql for a particular database, whenever there is a modification to JPA entity classes. How do I perform something equivalent of a 'for' operation where-in the following code can be used to generate sql for all supported databases (e.g. H2, MySQL, Postgres) Currently I have to modify db.groupId, db.artifactId, db.driver.version everytime to generate the sql files <plugin> <groupId>org.codehaus.mojo</groupId> <artifactId>hibernate3-maven-plugin</artifactId> <version>${hibernate3-maven-plugin.version}</version> <executions> <execution> <id>create schema</id> <phase>process-test-resources</phase> <goals> <goal>hbm2ddl</goal> </goals> <configuration> <componentProperties> <persistenceunit>${app.module}</persistenceunit> <drop>false</drop> <create>true</create> <outputfilename>${app.sql}-create.sql</outputfilename> </componentProperties> </configuration> </execution> <execution> <id>drop schema</id> <phase>process-test-resources</phase> <goals> <goal>hbm2ddl</goal> </goals> <configuration> <componentProperties> <persistenceunit>${app.module}</persistenceunit> <drop>true</drop> <create>false</create> <outputfilename>${app.sql}-drop.sql</outputfilename> </componentProperties> </configuration> </execution> </executions> <dependencies> <dependency> <groupId>org.hibernate</groupId> <artifactId>hibernate-core</artifactId> <version>${hibernate-core.version}</version> </dependency> <dependency> <groupId>org.slf4j</groupId> <artifactId>slf4j-api</artifactId> <version>${slf4j-api.version}</version> </dependency> <dependency> <groupId>org.slf4j</groupId> <artifactId>slf4j-nop</artifactId> <version>${slf4j-nop.version}</version> </dependency> <dependency> <groupId>${db.groupId}</groupId> <artifactId>${db.artifactId}</artifactId> <version>${db.driver.version}</version> </dependency> </dependencies> <configuration> <components> <component> <name>hbm2cfgxml</name> <implementation>annotationconfiguration</implementation> </component> <component> <name>hbm2dao</name> <implementation>annotationconfiguration</implementation> </component> <component> <name>hbm2ddl</name> <implementation>jpaconfiguration</implementation> <outputDirectory>src/main/sql</outputDirectory> </component> <component> <name>hbm2doc</name> <implementation>annotationconfiguration</implementation> </component> <component> <name>hbm2hbmxml</name> <implementation>annotationconfiguration</implementation> </component> <component> <name>hbm2java</name> <implementation>annotationconfiguration</implementation> </component> <component> <name>hbm2template</name> <implementation>annotationconfiguration</implementation> </component> </components> </configuration> </plugin>

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• Is there a Java API for creating a XHTML document?

  - by Bedwyr Humphreys

  I want to provide a simple XHTML representation of each of the resources in a REST web service. At the moment i'm using a StringBuilder to generate these which is both tedious and error prone. I don't see these changing after I publish the service but the process of coding each is a bit painful. Is there a XHTML document writer api? Should I just use an XML writer? Which one? Should I just roll my own basic HTML document class - doctype is the same each time, i just need to set the title, metatags and body content, most of which (but not all content) is already in HTML for the GETs. Or should I just use StringBuilder and stop whining? ;) Thanks.

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• How to indefinitely pause a thread in Java and later resume it?

  - by Carlos Torres

  Maybe this question has been asked many times before, but I never found a satisfying answer. The problem: I have to simulate a process scheduler, using the round robin strategy. I'm using threads to simulate processes and multiprogramming; everything works fine with the JVM managing the threads. But the thing is that now I want to have control of all the threads so that I can run each thread alone by a certain quantum (or time), just like real OS processes schedulers. What I'm thinking to do: I want have a list of all threads, as I iterate the list I want to execute each thread for their corresponding quantum, but as soon the time's up I want to pause that thread indefinitely until all threads in the list are executed and then when I reach the same thread again resume it and so on. The question: So is their a way, without using deprecated methods stop(), suspend(), or resume(), to have this control over threads?

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• XCode - Copy sqlite DB from simulator and copy onto device for testing

  - by Neal L

  Hello, I am working on a Core Data app, and have populated the sqlite file in the iPhone Simulator with all of the fixtures/data that I use to test the app. I would like to use that sqlite file as a standardized set of testing data. The devices that I test the app on all have different data sets, and I would like to standardize on the one in the simulator. Is there a way in XCode (3 or 4) to add a step to the build/install process that will copy the sqlite file from the iPhone Simulator and install it over the file on the phone (if one exists)? Thanks, Neal

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