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Can't seem to discard changes in Git
After seeing the following from the command line:
19 Answers
19
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Do any JVM's JIT compilers generate code that uses vectorized floating point instructions?
... System.out.println("dotc(): " + (t3 - t2)/10000000 + " ns");
}
}
and Dot.h:
float ac[50], bc[50];
inline float dotc() {
float sum = 0;
for (int i = 0; i < 50; i++) {
sum += ac[i]*bc[i];
}
return sum;
}
We can compile and run that with JavaCPP using this comma...
Preloading CSS Images
...eployed clicking on a button. Its fields are set as CSS background images, and they always appears a bit later than the div that have been toggled.
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How to remove all callbacks from a Handler?
I have a Handler from my sub-Activity that was called by the main Activity . This Handler is used by sub-classes to postDelay some Runnables, and I can't manage them. Now, in the onStop event, I need to remove them before finishing the Activity (somehow I called finish() , but it still call ...
How to reset sequence in postgres and fill id column with new data?
I have a table with over million rows. I need to reset sequence and reassign id column with new values (1, 2, 3, 4... etc...). Is any easy way to do that?
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How do I get the current username in Windows PowerShell?
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A quick and dirty alternative would be $env:username to retrieve the user name from the corresponding environment variable.
– guillermooo
Jan 21 '10 at 0:25
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How do I determine whether an array contains a particular value in Java?
...the searching functions in the Arrays class versus iterating over an array and using an equals() function or == for primitives.
– Thomas Owens
Jul 15 '09 at 0:06
188
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Facebook Android Generate Key Hash
Trying to create an android app with Facebook integration, I've gotten to the part in the docs where you have to generate a key hash file, it specifies to run the following code
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Is there a way to iterate over a range of integers?
Go's range can iterate over maps and slices, but I was wondering if there is a way to iterate over a range of numbers, something like this:
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What's the difference between Application.ThreadException and AppDomain.CurrentDomain.UnhandledExcep
...cation.ThreadException is specific to Windows Forms. Winforms runs event handlers in response to messages sent to it by Windows. The Click event for example, I'm sure you know them. If such an event handler throws an exception then there's a back-stop inside the Winforms message loop that catches...