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  • Using the windows api and C++, how could I load an exe from the hard drive and run it in its own thread?

    - by returneax
    For the sake of learning I'm trying to do what the OS does when launching a program ie. parsing a PE file and giving it a thread of execution. If I have two exe's one called foo.exe and the other bar.exe, how could I have foo.exe load the contents of bar.exe into memory then have it execute from there in its own thread? I know how to get it into memory using MapViewOfFile or by simple loading the contents on the hard drive into a buffer. I'm assuming simply copying the contents of bar.exe on disk into its own suspended thread and running it wouldn't work. I am semi-familiar with PE file internals. All help is very much appreciated, of course :)

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  • How to search Multiple Sites using Lucene Search engine API?

    - by Wael Salman
    Hope that someone can help me as soon as possible :-) I would like to know how can we search Multiple Sites using Lucene??! (All sites are in one index). I have succeeded to search one website , and to index multiple sites, however I am not able to search all websites. Consider this method that I have: private void PerformSearch() { DateTime start = DateTime.Now; //Create the Searcher object string strIndexDir = Server.MapPath("index") + @"\" + mstrURL; IndexSearcher objSearcher = new IndexSearcher(strIndexDir); //Parse the query, "text" is the default field to search Query objQuery = QueryParser.Parse(mstrQuery, "text", new StandardAnalyzer()); //Create the result DataTable mobjDTResults.Columns.Add("title", typeof(string)); mobjDTResults.Columns.Add("path", typeof(string)); mobjDTResults.Columns.Add("score", typeof(string)); mobjDTResults.Columns.Add("sample", typeof(string)); mobjDTResults.Columns.Add("explain", typeof(string)); //Perform search and get hit count Hits objHits = objSearcher.Search(objQuery); mintTotal = objHits.Length(); //Create Highlighter QueryHighlightExtractor highlighter = new QueryHighlightExtractor(objQuery, new StandardAnalyzer(), "<B>", "</B>"); //Initialize "Start At" variable mintStartAt = GetStartAt(); //How many items we should show? int intResultsCt = GetSmallerOf(mintTotal, mintMaxResults + mintStartAt); //Loop through results and display for (int intCt = mintStartAt; intCt < intResultsCt; intCt++) { //Get the document from resuls index Document doc = objHits.Doc(intCt); //Get the document's ID and set the cache location string strID = doc.Get("id"); string strLocation = ""; if (mstrURL.Substring(0,3) == "www") strLocation = Server.MapPath("cache") + @"\" + mstrURL + @"\" + strID + ".htm"; else strLocation = doc.Get("path") + doc.Get("filename"); //Load the HTML page from cache string strPlainText; using (StreamReader sr = new StreamReader(strLocation, System.Text.Encoding.Default)) { strPlainText = ParseHTML(sr.ReadToEnd()); } //Add result to results datagrid DataRow row = mobjDTResults.NewRow(); if (mstrURL.Substring(0,3) == "www") row["title"] = doc.Get("title"); else row["title"] = doc.Get("filename"); row["path"] = doc.Get("path"); row["score"] = String.Format("{0:f}", (objHits.Score(intCt) * 100)) + "%"; row["sample"] = highlighter.GetBestFragments(strPlainText, 200, 2, "..."); Explanation objExplain = objSearcher.Explain(objQuery, intCt); row["explain"] = objExplain.ToHtml(); mobjDTResults.Rows.Add(row); } objSearcher.Close(); //Finalize results information mTsDuration = DateTime.Now - start; mintFromItem = mintStartAt + 1; mintToItem = GetSmallerOf(mintStartAt + mintMaxResults, mintTotal); } as you can see that I use the site URL 'mstrURL' when I create the search object string strIndexDir = Server.MapPath("index") + @"\" + mstrURL; How can I do the same when I want to search multiple sites?? Actually I am using the code from http://www.keylimetie.com/blog/2005/8/4/lucenenet/

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  • shell pipe behavior with MySQLDump

    - by unknown (google)
    I am using mysqldump for a large database (several GB) and import the result from a pipe, please see commands below, does it do incremental pipe, or wait until the first one finishes then import? is this a good way of importing large db across servers? I know you can export gz it, then pscp it then import. Quick alternative are welcome mysqldump -u root -ppass -q mydatabase | mysql -u root -ppass --host=xxx.xx.xxx.xx --port=3306 -C mydatabase

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  • Windows Home Server restore causes computer to be removed from the domain?

    - by unknown (google)
    I restored my Dell M4400 that is a company laptop, and now I get an error when I try to log on and am connected to our corporate network, which says that the domain controller could not be found or that the computer is not part of the domain. Everyone else can log on, so it seems my computer is no longer part of the domain, even though it thinks it is per the settings. One thing of note: my computer crashed on 1/14/10, but I restored from a backup that was made on 12/20/09. So I am not sure if that made a difference? Also, I tried running "gpupdate" to update my group policy, but that did not seem to help. Any ideas? Seems like a bit of a flaw in the backup system for computers that are part of a domain. I guess I wanted to hear from someone with more knowledge about how a computer is recognized as part of a domain to know if this should be expected when doing a restore or if I should file a trouble ticket.

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  • Are vector assignments copied by value or by reference in Google's Go language?

    - by Brian T Hannan
    In the following code, I create one peg puzzle then do a move on it which adds a move to its movesAlreadyDone vector. Then I create another peg puzzle then do a move on it which adds a move to its movesAlreadyDone vector. When I print out the values in that vector for the second one, it has the move in it from the first one along with the move from the second one. Can anyone tell me why it seems to be assigning by reference and not value? Are vector assignments copied by value or by reference in Google's Go language? package main import "fmt" import "container/vector" type Move struct { x0, y0, x1, y1 int } type PegPuzzle struct { movesAlreadyDone * vector.Vector; } func (p *PegPuzzle) InitPegPuzzle(){ p.movesAlreadyDone = vector.New(0); } func NewChildPegPuzzle(parent *PegPuzzle) *PegPuzzle{ retVal := new(PegPuzzle); retVal.movesAlreadyDone = parent.movesAlreadyDone; return retVal } func (p *PegPuzzle) doMove(move Move){ p.movesAlreadyDone.Push(move); } func (p *PegPuzzle) printPuzzleInfo(){ fmt.Printf("-----------START----------------------\n"); fmt.Printf("moves already done: %v\n", p.movesAlreadyDone); fmt.Printf("------------END-----------------------\n"); } func main() { p := new(PegPuzzle); cp1 := new(PegPuzzle); cp2 := new(PegPuzzle); p.InitPegPuzzle(); cp1 = NewChildPegPuzzle(p); cp1.doMove(Move{1,1,2,3}); cp1.printPuzzleInfo(); cp2 = NewChildPegPuzzle(p); cp2.doMove(Move{3,2,5,1}); cp2.printPuzzleInfo(); } Any help will be greatly appreciated. Thanks!

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  • How to filter and intercept Linux packets by using net_dev_add() API?

    - by Khajavi
    I'm writing ethernet network driver for linux. I want to receive packets, edit and resend them. I know how to edit the packet in packet_interceptor function, but how can I drop incoming packets in this function?? #include <linux/netdevice.h> #include <linux/skbuff.h> #include <linux/ip.h> #include <net/sock.h> struct packet_type my_proto; int packet_interceptor(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt, struct net_device *orig_dev) { // I dont want certain packets go to upper in net_devices for further processing. // How can I drop sk_buff here?! return 0; } static int hello_init( void ) { printk(KERN_INFO "Hello, world!\n"); my_proto.type = htons(ETH_P_ALL); my_proto.dev = NULL; my_proto.func = packet_interceptor; dev_add_pack(&my_proto); return 0; } static void hello_exit(void) { dev_remove_pack(&my_proto); printk(KERN_INFO "Bye, world\n"); } module_init(hello_init); module_exit(hello_exit);

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  • Is there a C++ cross platform key/value API or library for C++?

    - by Tim
    We want to persist some user settings int he GUI part of our code. I used to do Win32 programming exclusively and the typical way this was done was with registry settings. I assume that this should be done with configuration files, but was wondering if there was a library or cross platform wrapper that made key/value pair persistence very easy.

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  • Scala XML API: Why allow NodeSeq as attribute values?

    - by Synesso
    It seems attribute values are of type Seq[Node]. scala> <a b="1"/>.attribute("b") res11: Option[Seq[scala.xml.Node]] = Some(1) This means you can assign XML as an attribute value. scala> <a b={<z><x/></z>}/>.attribute("b") res16: Option[Seq[scala.xml.Node]] = Some(<z><x></x></z>) scala> <a b={<z><x/></z>}/>.attribute("b").map(_ \ "x") res17: Option[scala.xml.NodeSeq] = Some(<x></x>) scala> new xml.PrettyPrinter(120, 2).format(<a b={<z><x/></z>}/>) res19: String = <a b="<z><x></x></z>"></a> This seems funky to me. I've never seen XML as attribute values in the real world. Why is it allowed? Why is an attribute value simply not of type String?

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  • How to pass a method as callback to a Windows API call?

    - by Heinrich Ulbricht
    Hi, I'd like to pass a method of a class as callback to a WinAPI function. Is this possible and if yes, how? Example case for setting a timer: TMyClass = class public procedure TimerProc(Wnd:HWND; uMsg:DWORD; idEvent:PDWORD; dwTime:DWORD); procedure DoIt; end; [...] procedure TMyClass.DoIt; begin SetTimer(0, 0, 8, @TimerProc); // <-???- that's what I want to do (last param) end; Thanks for your help! Edit: The goal is to specify a method of this class as callback. No procedure outside the class.

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  • Accessing facebook sdk result Object using .NET 3.5 API?

    - by John K
    Consider the following in .NET 3.5 (using the Bin\Net35\Facebook*.dll assemblies): using Facebook; var app = new FacebookApp(); var result = app.Get("me"); // want to access result properties with no dynamic ... in the absence of the C# 4.0 dynamic keyword this provides only generic object members. How best should I access the facebook properties of this result object? Are there helper or utility methods or stronger types in the facebook C# SDK, or should I use standard .NET reflection techniques?

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  • Is there a library / api for reading the contents of a .hlp help file?

    - by boccato
    I have a help file for my program and was asked to add a description of the menus in a toolbar as the user browses them. So I thought I could just use the beginning of the menu's description of the help but just cant find how to access the contents of it. I saw WinHelp has a macro language, so I figured maybe through this, but I couldnt find any references on this around. Anybody now some pointers or examples of hot to do this?

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  • how to link static cells to Outlet/Actions - E.G tap the call cell to call the number

    - by holtii
    The code I have. By the way, I can't get Call to work and Website does not open either! - (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath { NSString *urlToOpen = @""; if( indexPath.section == 0 ){ // call number urlToOpen = @"tel:442074036933"; } else if( indexPath.section == 1 ){ // open website urlToOpen = @"http://www.designmuseum.org"; } else { // open address urlToOpen = @"http://maps.apple.com/maps?daddr=Design+Museum+London"; } [[UIApplication sharedApplication] openURL:[NSURL URLWithString:urlToOpen]]; NSString *destinationAddress = [NSString stringWithFormat:@"%@+%@+%@", [address street], [address city], [address country]]; NSString *sourceAddress = [LocalizedCurrentLocation currentLocationStringForCurrentLanguage]; NSString *url = [NSString stringWithFormat:@"http://maps.apple.com/maps?saddr=%@&daddr=%@", [sourceAddress stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding], [destinationAddress stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding]]; [[UIApplication sharedApplication] openURL:[NSURL URLWithString:url]]; I need to add destination address which for my App is = 28 Shad Thames, London, United Kingdom. Which format to write it in? because I cant get it to work and really need to sort this problem of my app real quick

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  • Accessing weakly typed facebook sdk result object properties in .NET 3.5 using the API?

    - by John K
    Consider the following in .NET 3.5 (using the Bin\Net35\Facebook*.dll assemblies): var app = new FacebookApp(); var result = app.Get("me"); // want to access result properties with no dynamic ... in the absence of the C# 4.0 dynamic keyword this provides only a generic object. How best should I access the properties of this result value? Are there helper or utility methods or stronger types in the facebook C# sdk, or should I use standard .NET reflection techniques?

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  • MapsActivity not beeing found

    - by Johnny Rottenweed
    I am trying to get a simple map displayed. This is what I have: package com.chance.squat; import com.chance.squat.R; import com.google.android.maps.MapActivity; import android.os.Bundle; public class Maps extends MapActivity { /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.maps); } @Override protected boolean isRouteDisplayed() { return false; } } <?xml version="1.0" encoding="utf-8"?> <com.google.android.maps.MapView xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/mapview" android:layout_width="fill_parent" android:layout_height="fill_parent" android:clickable="true" android:apiKey="A2:D9:A5:1C:21:6F:D7:44:47:23:31:EC:1A:98:EF:36" /> <?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.chance.squat" android:versionCode="1" android:versionName="1.0"> <application android:icon="@drawable/icon" android:label="@string/app_name" android:theme="@style/CustomTheme"> <uses-library android:name="com.google.android.maps"/> <activity android:name=".MyApp" android:label="@string/app_name"> <intent-filter> <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.LAUNCHER" /> </intent-filter> </activity> <activity android:name="com.chance.squat.Search" android:label="@string/app_name"> <intent-filter> <action android:name="android.intent.action.MAIN" /> </intent-filter> </activity> <activity android:name="com.chance.squat.Add" android:label="@string/app_name"> <intent-filter> <action android:name="android.intent.action.MAIN" /> </intent-filter> </activity> <activity android:name="com.chance.squat.About" android:label="@string/app_name"> <intent-filter> <action android:name="android.intent.action.MAIN" /> </intent-filter> </activity> </application> <uses-permission android:name="android.permission.INTERNET"/> </manifest> I also have downloaded the Google APIs for version 8 and have set to build against them. My problem is it doesn't seem to find import com.google.android.maps.MapActivity and I don't know why or what the next step is. Can anyone help?

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  • How do you handle exceptions from API/library in your code?

    - by 5YrsLaterDBA
    I have the following lines of code: FileInfo dbFile = new FileInfo(fileName); dbFileSize = (long)dbFile.Length / 1024;//KB There are 8 possible exceptions from new FileInfo(fileName) and dbFile.Length calls. I cannot just ignore them. I have to catch them. What you are going to do with those 8 exceptions? Catch them separately (too many lines)? Catch only ONE by catching the super Exception excepton? or ...

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  • Rails routing aliasing and namespaces

    - by kain
    Given a simple namespaced route map.namespace :api do |api| api.resources :genres end how can I reuse this block but with another namespace? Currently I'm achieving that by writing another routes hacked on the fly map.with_options :name_prefix => 'mobile_', :path_prefix => 'mobile' do |mobile| mobile.resources :genres, :controller => 'api/genres' end But it seems less than ideal.

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  • How can I check the network connection type using the Windows API?

    - by Jufkey
    How can I programmatically retrieve the current connection type (eg. LAN or Direct connection)? InternetGetConnectedState() isn't very reliable. For instance, I'm connected to a wireless network, but ConTypeRet is 18, which is INTERNET_CONNECTION_LAN & INTERNET_RAS_INSTALLED. Isn't there any way to make sure that ConTypeRet is either INTERNET_CONNECTION_LAN or INTERNET_CONNECTION_MODEM?

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