[ 5409.748336] usb 1-5: new high-speed USB device number 25 using ehci-pci
[ 5409.882111] usb 1-5: New USB device found, idVendor=174c, idProduct=55aa
[ 5409.882123] usb 1-5: New USB device strings: Mfr=2, Product=3, SerialNumber=1
[ 5409.882130] usb 1-5: Product: Silicon-Power DB
[ 5409.882136] usb 1-5: Manufacturer: PHD 3.0
[ 5409.882141] usb 1-5: SerialNumber: 131012200700401#0039
[ 5409.883419] scsi23 : usb-storage 1-5:1.0
[ 5410.877927] scsi 23:0:0:0: Direct-Access     PHD 3.0  Silicon-Power DB 0    PQ: 0 ANSI: 6
[ 5410.884499] sd 23:0:0:0: Attached scsi generic sg3 type 0
[ 5410.885796] sd 23:0:0:0: [sdc] Spinning up disk...
[ 5411.886124] ....................................................................................................not responding...
[ 5532.106369] sd 23:0:0:0: [sdc] READ CAPACITY failed
[ 5532.106374] sd 23:0:0:0: [sdc]  
[ 5532.106376] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[ 5532.106377] sd 23:0:0:0: [sdc]  
[ 5532.106378] Sense Key : Not Ready [current] 
[ 5532.106380] sd 23:0:0:0: [sdc]  
[ 5532.106382] Add. Sense: Logical unit is in process of becoming ready
[ 5539.036445] sd 23:0:0:0: [sdc] Test WP failed, assume Write Enabled
[ 5545.966378] sd 23:0:0:0: [sdc] Asking for cache data failed
[ 5545.966392] sd 23:0:0:0: [sdc] Assuming drive cache: write through
[ 5545.974305] sd 23:0:0:0: [sdc] Spinning up disk...
[ 5553.894898] ....................................................................................................not responding...
[ 5674.147424] sd 23:0:0:0: [sdc] READ CAPACITY failed
[ 5674.147436] sd 23:0:0:0: [sdc]  
[ 5674.147442] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[ 5674.147448] sd 23:0:0:0: [sdc]  
[ 5674.147452] Sense Key : Not Ready [current] 
[ 5674.147459] sd 23:0:0:0: [sdc]  
[ 5674.147464] Add. Sense: Logical unit is in process of becoming ready
[ 5681.077532] sd 23:0:0:0: [sdc] Test WP failed, assume Write Enabled
[ 5688.007588] sd 23:0:0:0: [sdc] Asking for cache data failed
[ 5688.007601] sd 23:0:0:0: [sdc] Assuming drive cache: write through
[ 5688.007611] sd 23:0:0:0: [sdc] Attached SCSI disk

fdisk /dev/sdc
fdisk: unable to read /dev/sdc: Invalid argument

 Starting Winpower Manager: 
Unable to locate the application's 'main' class. The class
'manager2.Manager2' must be public and have a 'public static
void main(String[])' method. (LAX)
GUI-

 Done

java -version
java version "1.7.0_21"
Java(TM) SE Runtime Environment (build 1.7.0_21-b11)
Java HotSpot(TM) 64-Bit Server VM (build 23.21-b01, mixed mode)

# nvidia-xconfig: X configuration file generated by nvidia-xconfig
# nvidia-xconfig:  version 319.12  (buildmeister@swio-display-x86-rhel47-06)  Wed Apr  3 16:12:29 PDT 2013


Section "ServerLayout"
    Identifier     "Layout0"
    Screen      0  "Screen0" 0 0
    InputDevice    "Keyboard0" "CoreKeyboard"
    InputDevice    "Mouse0" "CorePointer"
EndSection

Section "Files"
EndSection

Section "InputDevice"

    # generated from default
    Identifier     "Mouse0"
    Driver         "mouse"
    Option         "Protocol" "auto"
    Option         "Device" "/dev/psaux"
    Option         "Emulate3Buttons" "no"
    Option         "ZAxisMapping" "4 5"
EndSection

Section "InputDevice"

    # generated from default
    Identifier     "Keyboard0"
    Driver         "kbd"
EndSection

Section "Monitor"
    Identifier     "Monitor0"
    VendorName     "Unknown"
    ModelName      "Unknown"
    HorizSync       28.0 - 33.0
    VertRefresh     43.0 - 72.0
    Option         "DPMS"
EndSection

Section "Device"
    Identifier     "Device0"
    Driver         "nvidia"
    VendorName     "NVIDIA Corporation"
EndSection

Section "Device"
    Identifier     "intel"
    Driver         "modesetting"
EndSection

Section "Screen"
    Identifier     "intel"
    Device         "intel"
    Monitor        "Monitor0"
    DefaultDepth    24
    SubSection     "Display"
        Depth       24
        Modes      "1366x768"
    EndSubSection
EndSection

Could not find required OpenGL entry point `glGetError'! Either your video card is unsupported, or your OpenGL driver needs to be updated.

#include <iostream>

using namespace std;
union types{
  char Char;
  short Short;
  int Int;
  long int LongInt;
  long long int LongLongInt;
  long Long;
  long long LongLong;
  __int128 Int128;
  
  float Float;
  double Double;
  long double LongDouble;
};

int main()
{
  types T;
  
  cout << "Integer types:\n";
  cout << "\tchar = " << sizeof(T.Char) << " bytes\n";
  cout << "\tshort = " << sizeof(T.Short) << " bytes\n";
  cout << "\tint = " << sizeof(T.Int) << " bytes\n";
  cout << "\tlong int = " << sizeof(T.LongInt) << " bytes\n";
  cout << "\tlong long int = " << sizeof(T.LongLongInt) << " bytes\n";
  cout << "\tlong = " << sizeof(T.Long) << " bytes\n";
  cout << "\tlong long = " << sizeof(T.LongLong) << " bytes\n";
  cout << "\t__int128 = " << sizeof(T.Int128) << " bytes\n";
  cout << "Real types:\n";
  cout << "\tfloat = " << sizeof(T.Float) << " bytes\n";
  cout << "\tdouble = " << sizeof(T.Double) << " bytes\n";
  cout << "\tlong double = " << sizeof(T.LongDouble) << " bytes\n";
  return 0;
}

Integer types:
        char = 1 bytes
        short = 2 bytes
        int = 4 bytes
        long int = 8 bytes
        long long int = 8 bytes
        long = 8 bytes
        long long = 8 bytes
        __int128 = 16 bytes
Real types:
        float = 4 bytes
        double = 8 bytes
        long double = 16 bytes

qreal fi, x, y, R1 = 1, R2 = 5;
fi = 2 * 3.14159265 * i / LineCounterCache;
x = cos(fi) * Angle;
y = sin(fi) * Angle;
LinePointsCache[i].setP1(QPointF(MonitorCenter + x * R1, MonitorCenter + y * R1));
LinePointsCache[i].setP2(QPointF(MonitorCenter + x * R2, MonitorCenter + y * R2));

class SerialPortTransmitter : public QThread
{

signals:
    void valueChanged(int);

public:
    SerialPortTransmitter();
    void run();
    void stop();

private:
    volatile bool stopped;
    int i;
};

SerialPortTransmitter p;
connect(&p, SIGNAL(valueChanged(int)),this,SLOT(out(int)));

Object::connect: No such signal QThread::valueChanged(int) in ../X/x.cpp:9
Object::connect:  (receiver name: 'X')