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  • Failed Software RAID0 on Linux - Attempting to recover data

    - by Gizmo_the_Great
    I have a two disk RAID0 software raid (not hardware raid) that is reported to have failed during boot and my OS won't start. Using a Live CD, I get the following output : sudo mdadm -E /dev/sdc1 /dev/sdd1 /dev/sdc1: Magic : a92b4efc Version : 1.2 Feature Map : 0x0 Array UUID : 3710713d:fb301031:84b61247:d1d53e0f Name : HP-xw9300:0 Creation Time : Sun Sep 1 15:22:26 2013 Raid Level : -unknown- Raid Devices : 0 Avail Dev Size : 1465145328 (698.64 GiB 750.15 GB) Data Offset : 16 sectors Super Offset : 8 sectors State : active Device UUID : ad427cd2:9f885f57:7f41015f:90f8f6af Update Time : Sun Jun 8 12:35:11 2014 Checksum : a37407ff - correct Events : 1 Device Role : spare Array State : ('A' == active, '.' == missing) /dev/sdd1: Magic : a92b4efc Version : 1.2 Feature Map : 0x0 Array UUID : 3710713d:fb301031:84b61247:d1d53e0f Name : HP-xw9300:0 Creation Time : Sun Sep 1 15:22:26 2013 Raid Level : -unknown- Raid Devices : 0 Avail Dev Size : 976771056 (465.76 GiB 500.11 GB) Data Offset : 16 sectors Super Offset : 8 sectors State : active Device UUID : 2ea0199d:cb08d9e7:0830448a:a1e1e348 Update Time : Sun Jun 8 13:06:19 2014 Checksum : 8883c492 - correct Events : 1 Device Role : spare Array State : ('A' == active, '.' == missing) GParted lists both disks, detects the flags as 'Raid' and lists the data usage. Can anyone please help me re-assemble just so that I can copy some of the data off that I have not backed up recently? Thanks

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  • Questions for anyone who has used Sun Type 7 keyboards

    - by Irinotecan
    So I noticed that Oracle is still selling Sun Type 7 keyboard and mouse packages. I was thinking of buying one for a Linux box at my house so I had easy access to some of the extra keys such as Compose and Alt-GR. I have some questions though before I do for anyone who has used these -- it's been a very long time since I've used an actual Sun keyboard. They show that both a PC and UNIX layout is available. Unfortunately, I cannot find anywhere a clear picture of both layouts to determine the difference. Can anyone post pictures of the 2 different layouts for me to take a look at? I don't remember what some of the "Solaris shortcut" keys do, like Props, Front, Stop, and Again. Are these vestiges from OpenWindows? Do they have any usage on a modern Solaris like OpenSolaris running Gnome? Do they automatically map to anything useful on Linux, or am I going to have to map them myself to something with XModMap? When I last used a Sun keyboard, I remember it having a rather mushy feel to it, so I am wondering if any touch typists could weigh in on whether this keyboard "feels nice" for day to day touch typing. Thanks!

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  • How can I find which logon script is being run?

    - by user2517266
    I'm having an issue with network drives. Suddenly some computers and users aren't getting their mapped network drives from the logon script. I am NOT a domain admin, I don't have permission to login to the domain controller. And I know very little about Active Directory. The issue seems random, some users this day, different users tomorrow. Some computers run fine and some won't map no matter who logs in. They are mixed OS's XP (SP3), Vista, and 7. I was looking at the domain in windows explorer and I have found the batch file(s) that maps the drives in several locations, how do I know which one is actually being ran? The .bat file is located in \DOMAIN\NETLOGON\script.bat and \DOMAIN\SYSVOL\DOMAIN\scripts\script.bat and \DOMAIN\SYSVOL\DOMAIN\policies\GUID(Right? It's a crazy string)\User\Scripts\Logon\script.bat So, how can I figure out which one is actually being ran per computer or user? Cause they are all slightly different from each other and one of them doesn't map properly. Do all the files in NETLOGON get ran? Cause there are 15+ files in there. Or is it specified in Group Policy which one(s) get ran? EDIT: I am able to access a program called Active Directory Users and Computers, but the properties tab for any user is blank for the logon script.

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  • Corrupted Laptop - Transfer Data Without My Computer (explorer.exe) Using Command Line

    - by nicorellius
    I have a laptop (Toshiba Satellite) that is pretty messed up. The person this belongs too already replaced it with a new machine. My job is to transfer all her data from this machine to disk so that I can transfer it to her. She doesn't want to lose any data (understandably so). Any operation I attempted (i.e., double clicking on any folder icon, like My Documents, My Computer, etc) resulted din a complete crash. The only good news is that I can actually start and navigate around using the command line. Also, I can access the internet. I have a network, so if I can map the drives I can get this thing figured out (hopefully). Also, I tried a USB drive but I couldn't figure out how to access it from the command line. Two questions (I need to use the command line for these): How would I go about accessing the USB drive and how can I map the shared drives on my network so that I may cd to that directory for use of the copy command?

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  • How to make the tokenizer detect empty spaces while using strtok()

    - by Shadi Al Mahallawy
    I am designing a c++ program, somewhere in the program i need to detect if there is a blank(empty token) next to the token used know eg. if(token1==start) { token2=strtok(NULL," "); if(token2==NULL) {LCCTR=0;} else {LCCTR=atoi(token2);} so in the previous peice token1 is pointing to start , and i want to check if there is anumber next to the start , so I used token2=strtok(NULL," ") to point to the next token but unfortunattly the strtok function cannot detect empty spaces so it gives me an error at run time"INVALID NULL POINTER" how can i fix it or is there another function to use to detect empty spaces #include <iostream> #include<string> #include<map> #include<iomanip> #include<fstream> #include<ctype.h> using namespace std; const int MAX=300; int LCCTR; int START(char* token1); char* PASS1(char*token1); void tokinizer() { ifstream in; ofstream out; char oneline[MAX]; in.open("infile.txt"); out.open("outfile.txt"); if(in.is_open()) { char *token1; in.getline(oneline,MAX); token1 = strtok(oneline," \t"); START (token1); //cout<<'\t'; while(token1!=NULL) { //PASS1(token1); //cout<<token1<<" "; token1=strtok(NULL," \t"); if(NULL==token1) {//cout<<endl; //cout<<LCCTR<<'\t'; in.getline(oneline,MAX); token1 = strtok(oneline," \t"); } } } in.close(); out.close(); } int START(char* token1) { string start("START"); char*token2; if(token1 != start) {LCCTR=0;} else if(token1==start) { token2=strchr(token1+2,' '); cout<<token2; if(token2==NULL) {LCCTR=0;} else {LCCTR=atoi(token2); if(atoi(token2)>9999||atoi(token2)<0){cout<<"IVALID STARTING ADDRESS"<<endl;exit(1);} } } return LCCTR; } char* PASS1 (char*token1) { map<string,int> operations; map<string,int>symtable; map<string,int>::iterator it; pair<map<string,int>::iterator,bool> ret; char*token3=NULL; char*token2=NULL; string test; string comp(" "); string start("START"); string word("WORD"); string byte("BYTE"); string resb("RESB"); string resw("RESW"); string end("END"); operations["ADD"] = 18; operations["AND"] = 40; operations["COMP"] = 28; operations["DIV"] = 24; operations["J"] = 0X3c; operations["JEQ"] =30; operations["JGT"] =34; operations["JLT"] =38; operations["JSUB"] =48; operations["LDA"] =00; operations["LDCH"] =50; operations["LDL"] =55; operations["LDX"] =04; operations["MUL"] =20; operations["OR"] =44; operations["RD"] =0xd8; operations["RSUB"] =0x4c; operations["STA"] =0x0c; operations["STCH"] =54; operations["STL"] =14; operations["STSW"] =0xe8; operations["STX"] =10; operations["SUB"] =0x1c; operations["TD"] =0xe0; operations["TIX"] =0x2c; operations["WD"] =0xdc; if(operations.find("ADD")->first==token1) { token2=strtok(NULL," "); //test=token2; cout<<token2; //if(test.empty()){cout<<"MISSING OPERAND"<<endl;exit(1);} //else{LCCTR=LCCTR+3;} } /*else if(operations.find("AND")->first==token1) { token2=strtok(NULL," "); test=token2; if(test.empty()){cout<<"MISSING OPERAND"<<endl;exit(1);} else{LCCTR=LCCTR+3;} } else if(operations.find("COMP")->first==token1) { token2=token1+5; test=token2; if(test.empty()){cout<<"MISSING OPERAND"<<endl;exit(1);} else{LCCTR=LCCTR+3;} } else if(operations.find("DIV")->first==token1) { token2=token1+4; test=token2; if(test.empty()){cout<<"MISSING OPERAND"<<endl;exit(1);} else{LCCTR=LCCTR+3;} } else if(operations.find("J")->first==token1) { token2=token1+2; test=token2; if(test.empty()){cout<<"MISSING OPERAND"<<endl;exit(1);} else{LCCTR=LCCTR+3;} } else if(operations.find("JEQ")->first==token1) { token2=token1+5; test=token2; if(test.empty()){cout<<"MISSING OPERAND"<<endl;exit(1);} else{LCCTR=LCCTR+3;} } else if(operations.find("JGT")->first==token1) { token2=strtok(NULL," "); test=token2; if(test.empty()){cout<<"MISSING OPERAND"<<endl;exit(1);} else{LCCTR=LCCTR+3;} } else if(operations.find("JLT")->first==token1) { token2=token1+6; test=token2; if(test.empty()){cout<<"MISSING OPERAND"<<endl;exit(1);} else{LCCTR=LCCTR+3;} } else if(operations.find("JSUB")->first==token1) { token2=token1+6; test=token2; if(test.empty()){cout<<"MISSING OPERAND"<<endl;exit(1);} else{LCCTR=LCCTR+3;} } else if(operations.find("LDA")->first==token1) { token2=token1+6; test=token2; if(test.empty()){cout<<"MISSING OPERAND"<<endl;exit(1);} else{LCCTR=LCCTR+3;} } else if(operations.find("LDCH")->first==token1) { token2=token1+6; test=token2; if(test.empty()){cout<<"MISSING OPERAND"<<endl;exit(1);} else{LCCTR=LCCTR+3;} } else if(operations.find("LDL")->first==token1) { token2=token1+6; test=token2; if(test.empty()){cout<<"MISSING OPERAND"<<endl;exit(1);} else{LCCTR=LCCTR+3;} } else if(operations.find("LDX")->first==token1) { token2=token1+6; test=token2; if(test.empty()){cout<<"MISSING OPERAND"<<endl;exit(1);} else{LCCTR=LCCTR+3;} } else if(operations.find("MUL")->first==token1) { token2=token1+6; test=token2; if(test.empty()){cout<<"MISSING OPERAND"<<endl;exit(1);} else{LCCTR=LCCTR+3;} } else if(operations.find("OR")->first==token1) { token2=token1+6; test=token2; if(test.empty()){cout<<"MISSING OPERAND"<<endl;exit(1);} else{LCCTR=LCCTR+3;} } else if(operations.find("RD")->first==token1) { token2=token1+6; test=token2; if(test.empty()){cout<<"MISSING OPERAND"<<endl;exit(1);} else{LCCTR=LCCTR+3;} } else if(operations.find("RSUB")->first==token1) { token2=token1+6; test=token2; if(test.empty()){cout<<"MISSING OPERAND"<<endl;exit(1);} else{LCCTR=LCCTR+3;} } else if(operations.find("STA")->first==token1) { token2=token1+6; test=token2; if(test.empty()){cout<<"MISSING OPERAND"<<endl;exit(1);} else{LCCTR=LCCTR+3;} } else if(operations.find("STCH")->first==token1) { token2=token1+6; test=token2; if(test.empty()){cout<<"MISSING OPERAND"<<endl;exit(1);} else{LCCTR=LCCTR+3;} } else if(operations.find("STL")->first==token1) { token2=token1+6; test=token2; if(test.empty()){cout<<"MISSING OPERAND"<<endl;exit(1);} else{LCCTR=LCCTR+3;} } else if(operations.find("STSW")->first==token1) { token2=token1+6; test=token2; if(test.empty()){cout<<"MISSING OPERAND"<<endl;exit(1);} else{LCCTR=LCCTR+3;} } else if(operations.find("STX")->first==token1) { token2=token1+6; test=token2; if(test.empty()){cout<<"MISSING OPERAND"<<endl;exit(1);} else{LCCTR=LCCTR+3;} } else if(operations.find("SUB")->first==token1) { token2=token1+6; test=token2; if(test.empty()){cout<<"MISSING OPERAND"<<endl;exit(1);} else{LCCTR=LCCTR+3;} } else if(operations.find("TD")->first==token1) { token2=token1+6; test=token2; if(test.empty()){cout<<"MISSING OPERAND"<<endl;exit(1);} else{LCCTR=LCCTR+3;} } else if(operations.find("TIX")->first==token1) { token2=token1+6; test=token2; if(test.empty()){cout<<"MISSING OPERAND"<<endl;exit(1);} else{LCCTR=LCCTR+3;} } else if(operations.find("WD")->first==token1) { token2=token1+6; test=token2; if(test.empty()){cout<<"MISSING OPERAND"<<endl;exit(1);} else{LCCTR=LCCTR+3;} }*/ //else if( if(word==token1) {LCCTR=LCCTR+3;} else if(byte==token1) {string test; token2=token1+7; test=token2; if(test[0]=='C') {token3=token1+10; test=token3; if(test.length()>15) {cout<<"ERROR"<<endl; exit(1);} } else if(test[0]=='X') {token3=token1+10; test=token3; if(test.length()>14) {cout<<"ERROR"<<endl; exit(1);} } LCCTR=LCCTR+test.length(); } else if(resb==token1) {token3=token1+5; LCCTR=LCCTR+atoi(token3);} else if(resw==token1) {token3=token1+5; LCCTR=LCCTR+3*atoi(token3);} else if(end==token1) {exit(1);} /*else { test=token1; int last=test.length(); if(token1==start||test[0]=='C'||test[0]=='X'||ispunct(test[last])||isdigit(test[0])||isdigit(test[1])||isdigit(test[2])||isdigit(test[3])){} else { token2=strtok(NULL," "); //test=token2; cout<<token2; if(token2!=NULL) { symtable.insert( pair<string,int>(token1,LCCTR)); for(it=symtable.begin() ;it!=symtable.end() ;++it) {/*cout<<"symbol: "<<it->first<<" LCCTR: "<<it->second<<endl;} } else{} } }*/ return token3; } int main() { tokinizer(); return 0; }

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  • Programmatically Insert Page Break in Active Report

    - by Kevin Babcock
    I've been scouring the web for a good example, but cannot figure out how to add a page break to an Active Reports report programmatically. The reports I'm working with usually require 1-2 pages for each record. In order to support dual-sided printing of the reports I want to insert a blank page for each record that uses an odd number of pages, ensuring that each new record is printed on the front of each printed page. I'm very new to Active Reports, so any suggestions, code samples, or links are much appreciated!

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  • Smooth text animation (Marquee) using WPF

    - by Goran
    Trying to build a marquee control with smooth text animation. Current efforts include: Using translate transform Using animation on Canvas dependency properties (Left, Right) Using animation on custom dependency property (Point) and using drawing visuals (formattedtext) Using CompositionTarget.Rendering But the animation is still choppy and resource intensive. Checklist: Confirmed no software rendering is taking place (ms performance tool and checking RenderCapability.Tier) Calling freeze on any imaginable object Running app on dual core machine with decent graphic card (NVidia 9600) Disabled any bitmap effect and transparency Checked all marquee controls out there (same issues) Any ideas (or better yet code example)?

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  • Fatal Exception : AsyncTask #1

    - by Nadirah Ibtisam
    help help..huu Im having a problem here..seems there was no error in codes..but when I run it...and click button to view map consist routing the map..It appers to be close all of sudden..why is that? Please help me friends.. Im developing an app to read my current location and creating route to A position.. here are the codes: public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.map); onNewIntent(getIntent()); Drawable marker = getResources().getDrawable(R.drawable.marker); Drawable marked_places = getResources().getDrawable(R.drawable.feringgi_map); mymap = (MapView)findViewById(R.id.mymap); controller = mymap.getController(); // extract MapView from layout mymap.getController().setZoom(15); mymap.setBuiltInZoomControls(true); mymap.setSatellite(false); // create an overlay that shows our current location myLocationOverlay = new MyLocationOverlay(this, mymap); // add this overlay to the MapView and refresh it mymap.getOverlays().add(myLocationOverlay); mymap.postInvalidate(); myLocationOverlay.runOnFirstFix(new Runnable() { @Override public void run() { controller.setZoom(10); controller.animateTo(myLocationOverlay.getMyLocation()); } }); zoomToMyLocation(); switch(selecteditem) { case 0: switch(selectedsubitem){ case 0://Place A locationManager = (LocationManager) this.getSystemService(Context.LOCATION_SERVICE); locationManager.requestLocationUpdates(LocationManager.NETWORK_PROVIDER, 0, 0, this); Location location = locationManager.getLastKnownLocation(LocationManager.NETWORK_PROVIDER); if (location !=null) { loc=location; } GeoPoint destination = getPoint(3.144341, 101.69541800000002); new BackgroundTask(this, loc, destination).execute(); break; } } class BackgroundTask extends AsyncTask<Void, Void, Void> { private Location location; private GeoPoint dest; private Route route; private Activity activity; private ProgressDialog dialog; private RouteOverlay routeOverlay; public BackgroundTask(Activity activity, Location loc, GeoPoint dest) { location=loc; this.dest=dest; this.activity=activity; dialog = new ProgressDialog(activity); } @Override protected void onPreExecute() { dialog.setCancelable(false); dialog.setTitle("Loading..."); dialog.setMessage("Calculating Route..."); dialog.setButton("Cancel", new DialogInterface.OnClickListener() { public void onClick(final DialogInterface dialog, final int id) { cancel(true); MyMap.this.finish(); }}); dialog.show(); } protected Void doInBackground(Void... params) { if(isNetworkAvailable()) { if(haveInternet()) { try{ route = directions(new GeoPoint((int)(location.getLatitude()*1.0E6),(int)(location.getLongitude()*1.0E6)), dest); } catch (NullPointerException e){ } } else { return null; } } else { return null; } return null; } And this is the log cat (updated).. : 12-10 12:21:15.527: E/AndroidRuntime(10146): FATAL EXCEPTION: AsyncTask #1 12-10 12:21:15.527: E/AndroidRuntime(10146): java.lang.RuntimeException: An error occured while executing doInBackground() 12-10 12:21:15.527: E/AndroidRuntime(10146): at android.os.AsyncTask$3.done(AsyncTask.java:278) 12-10 12:21:15.527: E/AndroidRuntime(10146): at java.util.concurrent.FutureTask$Sync.innerSetException(FutureTask.java:273) 12-10 12:21:15.527: E/AndroidRuntime(10146): at java.util.concurrent.FutureTask.setException(FutureTask.java:124) 12-10 12:21:15.527: E/AndroidRuntime(10146): at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:307) 12-10 12:21:15.527: E/AndroidRuntime(10146): at java.util.concurrent.FutureTask.run(FutureTask.java:137) 12-10 12:21:15.527: E/AndroidRuntime(10146): at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:208) 12-10 12:21:15.527: E/AndroidRuntime(10146): at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1076) 12-10 12:21:15.527: E/AndroidRuntime(10146): at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:569) 12-10 12:21:15.527: E/AndroidRuntime(10146): at java.lang.Thread.run(Thread.java:856) 12-10 12:21:15.527: E/AndroidRuntime(10146): Caused by: java.lang.SecurityException: ConnectivityService: Neither user 10228 nor current process has android.permission.ACCESS_NETWORK_STATE. 12-10 12:21:15.527: E/AndroidRuntime(10146): at android.os.Parcel.readException(Parcel.java:1327) 12-10 12:21:15.527: E/AndroidRuntime(10146): at android.os.Parcel.readException(Parcel.java:1281) 12-10 12:21:15.527: E/AndroidRuntime(10146): at android.net.IConnectivityManager$Stub$Proxy.getActiveNetworkInfo(IConnectivityManager.java:728) 12-10 12:21:15.527: E/AndroidRuntime(10146): at android.net.ConnectivityManager.getActiveNetworkInfo(ConnectivityManager.java:378) 12-10 12:21:15.527: E/AndroidRuntime(10146): at com.madcatworld.testtesttest.MyMap$BackgroundTask.isNetworkAvailable(MyMap.java:488) 12-10 12:21:15.527: E/AndroidRuntime(10146): at com.madcatworld.testtesttest.MyMap$BackgroundTask.doInBackground(MyMap.java:411) 12-10 12:21:15.527: E/AndroidRuntime(10146): at com.madcatworld.testtesttest.MyMap$BackgroundTask.doInBackground(MyMap.java:1) 12-10 12:21:15.527: E/AndroidRuntime(10146): at android.os.AsyncTask$2.call(AsyncTask.java:264) 12-10 12:21:15.527: E/AndroidRuntime(10146): at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:305) 12-10 12:21:15.527: E/AndroidRuntime(10146): ... 5 more This is my manifest file: <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.madcatworld.testtesttest" android:versionCode="1" android:versionName="1.0" > <uses-sdk android:minSdkVersion="8" android:targetSdkVersion="15" /> <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"/> <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION"/> <uses-permission android:name="android.permission.INTERNET"/> <uses-permission android:name="android.permission.CALL_PHONE"/> <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/> <application android:icon="@drawable/ic_launcher" android:label="@string/app_name" android:theme="@style/AppTheme" > <com.google.android.maps.MapView android:id="@+id/mymap" android:clickable="true" android:layout_width="fill_parent" android:layout_height="fill_parent" android:apiKey="XXXX" /> <activity android:theme="@style/StyledIndicators" android:name=".MainTest" android:label="@string/title_activity_main" android:screenOrientation="portrait"> <intent-filter> <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.LAUNCHER" /> </intent-filter> </activity> <uses-library android:name="com.google.android.maps"/> <activity android:name="A" android:screenOrientation="portrait"></activity> <activity android:name="B" android:screenOrientation="portrait"></activity> <activity android:name="C" android:screenOrientation="portrait"></activity> </application> </manifest> For your information, I already put ACCESS_NETWORK_STATE in my manifest.. Can u discover what cause the error? No error in code..but it failed to review my route map..:( Thanks Friends

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  • C# multi CPU for ThreadPool.QueueUserWorkItem

    - by ikurtz
    I have a program that uses: ThreadPool.QueueUserWorkItem(new WaitCallback(FireAttackProc), fireResult); On Windows7 and Vista it works fine. When I try to run it on XP the result is a bit different from the others. I was just wondering in order to execute QueueUserWorkItem properly do I need a dual CPU system? The XP I tried to test on had .Net 3.5 installed. Inputs most welcome.

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  • Summer Learning Opportunities for an upcoming College Freshman

    - by SteveStifler
    I'm currently a senior in high school, about to matriculate and pursue a major in Computer Science (possibly dual-major with electrical engineering. Comments?). I already program regularly as a hobby, but I would like to get a jump start this summer by perhaps attending a seminar, helping out on an open source project...you know, something legitimate that will bolster my knowledge of the computer science field. Any ideas?

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  • Constraint Satisfaction Problem

    - by Carl Smotricz
    I'm struggling my way through Artificial Intelligence: A Modern Approach in order to alleviate my natural stupidity. In trying to solve some of the exercises, I've come up against the "Who Owns the Zebra" problem, Exercise 5.13 in Chapter 5. This has been a topic here on SO but the responses mostly addressed the question "how would you solve this if you had a free choice of problem solving software available?" I accept that Prolog is a very appropriate programming language for this kind of problem, and there are some fine packages available, e.g. in Python as shown by the top-ranked answer and also standalone. Alas, none of this is helping me "tough it out" in a way as outlined by the book. The book appears to suggest building a set of dual or perhaps global constraints, and then implementing some of the algorithms mentioned to find a solution. I'm having a lot of trouble coming up with a set of constraints suitable for modelling the problem. I'm studying this on my own so I don't have access to a professor or TA to get me over the hump - this is where I'm asking for your help. I see little similarity to the examples in the chapter. I was eager to build dual constraints and started out by creating (the logical equivalent of) 25 variables: nationality1, nationality2, nationality3, ... nationality5, pet1, pet2, pet3, ... pet5, drink1 ... drink5 and so on, where the number was indicative of the house's position. This is fine for building the unary constraints, e.g. The Norwegian lives in the first house: nationality1 = { :norway }. But most of the constraints are a combination of two such variables through a common house number, e.g. The Swede has a dog: nationality[n] = { :sweden } AND pet[n] = { :dog } where n can range from 1 to 5, obviously. Or stated another way: nationality1 = { :sweden } AND pet1 = { :dog } XOR nationality2 = { :sweden } AND pet2 = { :dog } XOR nationality3 = { :sweden } AND pet3 = { :dog } XOR nationality4 = { :sweden } AND pet4 = { :dog } XOR nationality5 = { :sweden } AND pet5 = { :dog } ...which has a decidedly different feel to it than the "list of tuples" advocated by the book: ( X1, X2, X3 = { val1, val2, val3 }, { val4, val5, val6 }, ... ) I'm not looking for a solution per se; I'm looking for a start on how to model this problem in a way that's compatible with the book's approach. Any help appreciated.

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  • Recursive SQL giving ORA-01790

    - by PenFold
    Using Oracle 11g release 2, the following query gives an ORA-01790: expression must have same datatype as corresponding expression: with intervals(time_interval) AS (select trunc(systimestamp) from dual union all select (time_interval + numtodsinterval(10, 'Minute')) from intervals where time_interval < systimestamp) select time_interval from intervals; The error suggests that the datatype of both subqueries of the UNION ALL are returning different datatypes. Even if I cast to TIMESTAMP in each of the subqueries, then I get the same error. What am I missing?

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  • Understanding VS2010 C# parallel profiling results

    - by Haggai
    I have a program with many independent computations so I decided to parallelize it. I use Parallel.For/Each. The results were okay for a dual-core machine - CPU utilization of about 80%-90% most of the time. However, with a dual Xeon machine (i.e. 8 cores) I get only about 30%-40% CPU utilization, although the program spends quite a lot of time (sometimes more than 10 seconds) on the parallel sections, and I see it employs about 20-30 more threads in those sections compared to serial sections. Each thread takes more than 1 second to complete, so I see no reason for them to work in parallel - unless there is a synchronization problem. I used the built-in profiler of VS2010, and the results are strange. Even though I use locks only in one place, the profiler reports that about 85% of the program's time is spent on synchronization (also 5-7% sleep, 5-7% execution, under 1% IO). The locked code is only a cache (a dictionary) get/add: bool esn_found; lock (lock_load_esn) esn_found = cache.TryGetValue(st, out esn); if(!esn_found) { esn = pData.esa_inv_idx.esa[term_idx]; esn.populate(pData.esa_inv_idx.datafile); lock (lock_load_esn) { if (!cache.ContainsKey(st)) cache.Add(st, esn); } } lock_load_esn is a static member of the class of type Object. esn.populate reads from a file using a separate StreamReader for each thread. However, when I press the Synchronization button to see what causes the most delay, I see that the profiler reports lines which are function entrance lines, and doesn't report the locked sections themselves. It doesn't even report the function that contains the above code (reminder - the only lock in the program) as part of the blocking profile with noise level 2%. With noise level at 0% it reports all the functions of the program, which I don't understand why they count as blocking synchronizations. So my question is - what is going on here? How can it be that 85% of the time is spent on synchronization? How do I find out what really is the problem with the parallel sections of my program? Thanks.

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  • Round date to fiscal year

    - by Dave Jarvis
    The following database view rounds the date back to the closest fiscal year (April 1st): CREATE OR REPLACE VIEW FISCAL_YEAR_VW AS SELECT CASE WHEN to_number(to_char( SYSDATE, 'MM' )) < 4 THEN to_date('1-APR-'||to_char(add_months(SYSDATE, -12), 'YYYY'), 'dd-MON-yyyy') ELSE to_date('1-APR-'||to_char(SYSDATE, 'YYYY'), 'dd-MON-yyyy') END AS fiscal_year FROM dual; This allows us to calculate the current fiscal year based on today's date. How can this calculation be simplified or optimized?

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  • Oracle get previous day records

    - by Phill Pafford
    Ok I think I'm getting the previous year instead of the previous day, but I need to previous day. SELECT TO_DATE(TO_CHAR(CURRENT_DATE, 'YYYY-MM-DD'),'YYYY-MM-DD') - 1 FROM Dual I'm comparing it to a datetime stamp in this format and wish to get all the rows from the previous day. YYYY-MM-DD HH:MM:SS So I'm trying something like this SELECT field,datetime_field FROM database WHERE datetime_field > TO_DATE(TO_CHAR(CURRENT_DATE, 'YYYY-MM-DD'),'YYYY-MM-DD') - 1

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  • help translate this week query from Oracle PL/SQL to SQL Server 2008

    - by Sarah Vessels
    I have the following query that runs in my Oracle database and I want to have the equivalent for a SQL Server 2008 database: SELECT TRUNC( /* Midnight Sunday */ NEXT_DAY(SYSDATE, 'SUN') - (7*LEVEL) ) AS week_start, TRUNC( /* 23:59:59 Saturday */ NEXT_DAY(NEXT_DAY(SYSDATE, 'SUN') - (7*LEVEL), 'SAT') + 1 ) - (1/(60*24)) + (59/(60*60*24)) AS week_end FROM DUAL CONNECT BY LEVEL <= 4 /* Get the past 4 weeks */ What the query does is get the start of the week and the end of the week for the last 4 weeks. It generates data like the following: WEEK_START WEEK_END 2010-03-07 00:00:00 2010-03-13 23:59:59 2010-02-28 00:00:00 2010-03-06 23:59:59 ...

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  • How to run SQL that contains bind variables in the ODT Query Window?

    - by dnorthut
    How do you run SQL that contains one or more bind variables in the Oracle Developer Tools for Visual Studio Query Window? For example, the following works fine in SQL*Plus: variable x NUMBER; BEGIN :x := 0; END; / SELECT 1 FROM DUAL WHERE :x <> 1; When executed in the ODT Query Window, the following exception is raised in the Query output pane: ERROR ORA-01008: not all variables bound

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  • symfony 1.4 sformextra autocomplete sort order

    - by jdog
    I'm using the jquery autocomplete plugin that comes with the symfony sfFormExtra plugin. /* * jQuery Autocomplete plugin 1.1 * * Copyright (c) 2009 Jörn Zaefferer * * Dual licensed under the MIT and GPL licenses: * http://www.opensource.org/licenses/mit-license.php * http://www.gnu.org/licenses/gpl.html * * Revision: $Id: jquery.autocomplete.js 15 2009-08-22 10:30:27Z joern.zaefferer $ */ It does seem to sort json results according to the key, but I can't find any mention of sort options in the code. I would like the results sorted like returned from the server. How can I achieve this?

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  • Get the current location of the Gps? Showing the default one

    - by Gagandeep
    Need help Urgent!!!!! Did changes with help but still unsuccessful... I have to request location updates, but I am unsuccessful in implementing that... i modified the code but need help so that i can see the current location. PLEASE look through my code and help please.. I am learning this and new to this concept and android.. any help would be appreciated here is my code: package com.GoogleMaps; import java.util.List; import com.google.android.maps.GeoPoint; import com.google.android.maps.MapActivity; import com.google.android.maps.MapController; import com.google.android.maps.MapView; import com.google.android.maps.Overlay; import android.content.Context; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.graphics.Canvas; import android.graphics.Paint; import android.graphics.Point; import android.graphics.drawable.Drawable; import android.location.Location; import android.location.LocationListener; import android.location.LocationManager; import android.os.Bundle; import android.widget.Toast; public class MapsActivity extends MapActivity { /** Called when the activity is first created. */ private MapView mapView; private LocationManager lm; private LocationListener ll; private MapController mc; GeoPoint p = null; Drawable defaultMarker = null; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); mapView = (MapView)findViewById(R.id.mapview); //show zoom in/out buttons mapView.setBuiltInZoomControls(true); //Standard view of the map(map/sat) mapView.setSatellite(false); // get zoom tool mapView.setBuiltInZoomControls(true); //get controller of the map for zooming in/out mc = mapView.getController(); // Zoom Level mc.setZoom(18); lm = (LocationManager)getSystemService(Context.LOCATION_SERVICE); ll = new MyLocationListener(); lm.requestLocationUpdates( LocationManager.GPS_PROVIDER, 0, 0, ll); //Get the current location in start-up lm = (LocationManager)getSystemService(Context.LOCATION_SERVICE); ll = new MyLocationListener(); lm.requestLocationUpdates( LocationManager.GPS_PROVIDER, 0, 0, ll); //Get the current location in start-up if (lm.getLastKnownLocation(LocationManager.GPS_PROVIDER) != null){ GeoPoint p = new GeoPoint( (int)(lm.getLastKnownLocation(LocationManager.GPS_PROVIDER).getLatitude()*1000000), (int)(lm.getLastKnownLocation(LocationManager.GPS_PROVIDER).getLongitude()*1000000)); mc.animateTo(p); } MyLocationOverlay myLocationOverlay = new MyLocationOverlay(); List<Overlay> list = mapView.getOverlays(); list.add(myLocationOverlay); } protected class MyLocationOverlay extends com.google.android.maps.Overlay { @Override public boolean draw(Canvas canvas, MapView mapView, boolean shadow, long when) { Paint paint = new Paint(); super.draw(canvas, mapView, shadow); GeoPoint p = null; // Converts lat/lng-Point to OUR coordinates on the screen. Point myScreenCoords = new Point(); mapView.getProjection().toPixels(p, myScreenCoords); paint.setStrokeWidth(1); paint.setARGB(255, 255, 255, 255); paint.setStyle(Paint.Style.STROKE); Bitmap bmp = BitmapFactory.decodeResource(getResources(), R.drawable.ic_launcher); canvas.drawBitmap(bmp, myScreenCoords.x, myScreenCoords.y, paint); canvas.drawText("I am here...", myScreenCoords.x, myScreenCoords.y, paint); return true; } } private class MyLocationListener implements LocationListener{ public void onLocationChanged(Location argLocation) { // TODO Auto-generated method stub p = new GeoPoint((int)(argLocation.getLatitude()*1000000), (int)(argLocation.getLongitude()*1000000)); Toast.makeText(getBaseContext(), "New location latitude [" +argLocation.getLatitude() + "] longitude [" + argLocation.getLongitude()+"]", Toast.LENGTH_SHORT).show(); mc.animateTo(p); mapView.invalidate(); // call this so UI of map was updated } public void onProviderDisabled(String provider) { // TODO Auto-generated method stub } public void onProviderEnabled(String provider) { // TODO Auto-generated method stub } public void onStatusChanged(String provider, int status, Bundle extras) { // TODO Auto-generated method stub } } protected boolean isRouteDisplayed() { return false; } } catlog: 11-29 17:40:42.699: D/dalvikvm(371): GC_FOR_MALLOC freed 6074 objects / 369952 bytes in 74ms 11-29 17:40:42.970: I/MapActivity(371): Handling network change notification:CONNECTED 11-29 17:40:42.980: E/MapActivity(371): Couldn't get connection factory client 11-29 17:40:43.190: D/AndroidRuntime(371): Shutting down VM 11-29 17:40:43.190: W/dalvikvm(371): threadid=1: thread exiting with uncaught exception (group=0x4001d800) 11-29 17:40:43.280: E/AndroidRuntime(371): FATAL EXCEPTION: main 11-29 17:40:43.280: E/AndroidRuntime(371): java.lang.NullPointerException 11-29 17:40:43.280: E/AndroidRuntime(371): at com.google.android.maps.PixelConverter.toPixels(PixelConverter.java:71) 11-29 17:40:43.280: E/AndroidRuntime(371): at com.google.android.maps.PixelConverter.toPixels(PixelConverter.java:61) 11-29 17:40:43.280: E/AndroidRuntime(371): at com.GoogleMaps.MapsActivity$MyLocationOverlay.draw(MapsActivity.java:106) 11-29 17:40:43.280: E/AndroidRuntime(371): at com.google.android.maps.OverlayBundle.draw(OverlayBundle.java:42) 11-29 17:40:43.280: E/AndroidRuntime(371): at com.google.android.maps.MapView.onDraw(MapView.java:494) 11-29 17:40:43.280: E/AndroidRuntime(371): at android.view.View.draw(View.java:6740) 11-29 17:40:43.280: E/AndroidRuntime(371): at android.view.ViewGroup.drawChild(ViewGroup.java:1640) 11-29 17:40:43.280: E/AndroidRuntime(371): at android.view.ViewGroup.dispatchDraw(ViewGroup.java:1367) 11-29 17:40:43.280: E/AndroidRuntime(371): at android.view.ViewGroup.drawChild(ViewGroup.java:1638) 11-29 17:40:43.280: E/AndroidRuntime(371): at android.view.ViewGroup.dispatchDraw(ViewGroup.java:1367) 11-29 17:40:43.280: E/AndroidRuntime(371): at android.view.View.draw(View.java:6743) 11-29 17:40:43.280: E/AndroidRuntime(371): at android.widget.FrameLayout.draw(FrameLayout.java:352) 11-29 17:40:43.280: E/AndroidRuntime(371): at android.view.ViewGroup.drawChild(ViewGroup.java:1640) 11-29 17:40:43.280: E/AndroidRuntime(371): at android.view.ViewGroup.dispatchDraw(ViewGroup.java:1367) 11-29 17:40:43.280: E/AndroidRuntime(371): at android.view.ViewGroup.drawChild(ViewGroup.java:1638) 11-29 17:40:43.280: E/AndroidRuntime(371): at android.view.ViewGroup.dispatchDraw(ViewGroup.java:1367) 11-29 17:40:43.280: E/AndroidRuntime(371): at android.view.View.draw(View.java:6743) 11-29 17:40:43.280: E/AndroidRuntime(371): at android.widget.FrameLayout.draw(FrameLayout.java:352) 11-29 17:40:43.280: E/AndroidRuntime(371): at com.android.internal.policy.impl.PhoneWindow$DecorView.draw(PhoneWindow.java:1842) 11-29 17:40:43.280: E/AndroidRuntime(371): at android.view.ViewRoot.draw(ViewRoot.java:1407) 11-29 17:40:43.280: E/AndroidRuntime(371): at android.view.ViewRoot.performTraversals(ViewRoot.java:1163) 11-29 17:40:43.280: E/AndroidRuntime(371): at android.view.ViewRoot.handleMessage(ViewRoot.java:1727) 11-29 17:40:43.280: E/AndroidRuntime(371): at android.os.Handler.dispatchMessage(Handler.java:99) 11-29 17:40:43.280: E/AndroidRuntime(371): at android.os.Looper.loop(Looper.java:123) 11-29 17:40:43.280: E/AndroidRuntime(371): at android.app.ActivityThread.main(ActivityThread.java:4627) 11-29 17:40:43.280: E/AndroidRuntime(371): at java.lang.reflect.Method.invokeNative(Native Method) 11-29 17:40:43.280: E/AndroidRuntime(371): at java.lang.reflect.Method.invoke(Method.java:521) 11-29 17:40:43.280: E/AndroidRuntime(371): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868) 11-29 17:40:43.280: E/AndroidRuntime(371): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626) 11-29 17:40:43.280: E/AndroidRuntime(371): at dalvik.system.NativeStart.main(Native Method) 11-29 17:40:45.779: D/dalvikvm(371): GC_FOR_MALLOC freed 5970 objects / 506624 bytes in 1179ms 11-29 17:40:45.779: I/dalvikvm-heap(371): Grow heap (frag case) to 3.147MB for 17858-byte allocation 11-29 17:40:45.870: D/dalvikvm(371): GC_FOR_MALLOC freed 56 objects / 2304 bytes in 92ms 11-29 17:40:45.960: D/dalvikvm(371): GC_EXPLICIT freed 3459 objects / 196432 bytes in 74ms 11-29 17:40:48.310: D/dalvikvm(371): GC_EXPLICIT freed 116 objects / 41448 bytes in 68ms 11-29 17:40:49.540: I/Process(371): Sending signal. PID: 371 SIG: 9

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  • What is a good CPU/PC setup to speed up intensive C++/templates compilation?

    - by ApplePieIsGood
    I currently have a machine with an Opteron 275 (2.2Ghz), which is a dual core CPU, and 4GB of RAM, along with a very fast hard drive. I find that when compiling even somewhat simple projects that use C++ templates (think boost, etc.), my compile times can take quite a while (minutes for small things, much longer for bigger projects). Unfortunately only one of the cores is pegged at 100%, so I know it's not the I/O, and it would seem that there is no way to take advantage of the other core for C++ compilation?

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  • How do I preserve installed applications when migrating Ubuntu to another platform?

    - by michaeljoseph
    I'm looking at maybe moving from an older AMD64 to a new Intel dual-core which is 32 bit. Installation isn't a problem but can I transfer all the installed apps? I haven't been able to find anything so far on Google except where the migration is to a similar platform and file-system. I won't change the filesystem but the platform will be different. Is there something on the lines of the "World" file in Gentoo?

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  • What is your favorite NumPy feature?

    - by Gökhan Sever
    Share your favourite NumPy features / tips & tricks. Please try to limit one feature per line. The question is posted in parallel at ask.scipy.org We welcome you to join the conversation there -with the main idea of collecting the Scientific Python related questions under one roof. Feel free to dual-post or post at your favourite site...

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