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How does BLAS get such extreme performance?
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A good starting point is the great book The Science of Programming Matrix Computations by Robert A. van de Geijn and Enrique S. Quintana-Ortí. They provide a free download version.
BLAS is divided into three levels:
Level 1 defin...
What does SynchronizationContext do?
...gh degree, take care of capturing the UI thread's synchronization context, starting an asynchronous operation, then getting back onto the UI thread so you can process the operation's result.
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How do we use runOnUiThread in Android?
... e.printStackTrace();
}
}
}
}.start();
}
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How do I fix “Failed to sync vcpu reg” error?
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Got this issue on Mac. After turn off VBox it started to work.
– 0x8BADF00D
Feb 18 '15 at 18:24
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What is the proper declaration of main?
... function would not be the main function that designates where the program starts.
The main function cannot be declared as static or inline. It also cannot be overloaded; there can be only one function named main in the global namespace.
The main function cannot be used in your program: you are n...
Java Garbage Collection Log messages
... after GC, 1Gb max heap size
minor GC occurred 8109.128 seconds since the start of the JVM and took 0.04 seconds
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Vibrate and Sound defaults on notification
...e,You can try it.
protected void displayNotification() {
Log.i("Start", "notification");
// Invoking the default notification service //
NotificationCompat.Builder mBuilder =
new NotificationCompat.Builder(this);
mBuilder.setAutoCancel(true);
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How do I loop through a list by twos? [duplicate]
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You can also use this syntax (L[start:stop:step]):
mylist = [1,2,3,4,5,6,7,8,9,10]
for i in mylist[::2]:
print i,
# prints 1 3 5 7 9
for i in mylist[1::2]:
print i,
# prints 2 4 6 8 10
Where the first digit is the starting index (defaults to beg...
Could not reserve enough space for object heap
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here is how to fix it:
Go to Start->Control Panel->System->Advanced(tab)->Environment Variables->System
Variables->New: Variable name: _JAVA_OPTIONS
Variable value: -Xmx512M
Variable name: Path
Variable value: %PATH%;C:\Program Files\J...
Xcode iOS project only shows “My Mac 64-bit” but not simulator or device
This just started happening that my iOS project is only showing "My Mac 64-bit" rather than the Simulator or my iPhone to build to. I have no idea why this is happening. I do not think that I have changed anything.
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