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Using Java with Nvidia GPUs (CUDA)
...onsider a parallel vector addition: You'll have to read two data elements, then perform a single addition, and then write the sum into the result vector. You will not see a speedup when doing this on the GPU, because the single addition does not compensate for the efforts of reading/writing the memo...
How to combine date from one field with time from another field - MS SQL Server
...of your date column and the date element of your time column are both zero then Lieven's answer is what you need. If you can't guarantee that will always be the case then it becomes slightly more complicated:
SELECT DATEADD(day, 0, DATEDIFF(day, 0, your_date_column)) +
DATEADD(day, 0 - DATEDIFF...
Check existence of input argument in a Bash shell script
...
It is:
if [ $# -eq 0 ]
then
echo "No arguments supplied"
fi
The $# variable will tell you the number of input arguments the script was passed.
Or you can check if an argument is an empty string or not like:
if [ -z "$1" ]
then
echo "No a...
Is there a way to create xxhdpi, xhdpi, hdpi, mdpi and ldpi drawables from a large scale image?
...click your res/drawable folder and select New > Batch Drawable Import:
Then select your image via the + button and set the Resolution to be xxhdpi (or whatever the resolution of your source image is).
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How to concatenate two strings to build a complete path
... a bash script. In this script I want user to enter a path of a directory. Then I want to append some strings at the end of this string and build a path to some subdirectories.
For example assume user enters an string like this:
...
Move the most recent commit(s) to a new branch with Git
...a new branch, removing 3 commits from the old branch you are still on, and then checking out the branch you made. So how do the commits you removed magically show up in the new branch?
– Jonathan Dumaine
Aug 3 '10 at 18:28
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How to get package name from anywhere?
...atic variable in your main activity, instantiated to be the package name. Then just reference that variable.
You will have to initialize it in the main activity's onCreate() method:
Global to the class:
public static String PACKAGE_NAME;
Then..
@Override
public void onCreate(Bundle savedInsta...
Elegant way to check for missing packages and install them?
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Otherwise:
If you put your code in a package and make them dependencies, then they will automatically be installed when you install your package.
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How to allocate aligned memory only using the standard library?
...oid pointers (and GCC has warning options to tell you when you abuse it). Then add 16 to the start pointer. Suppose malloc() returned you an impossibly badly aligned pointer: 0x800001. Adding the 16 gives 0x800011. Now I want to round down to the 16-byte boundary — so I want to reset the last 4...
PHP Redirect with POST data
...f Javascript is disabled on the client? Page B will not redirect to page C then, will it?
– Imran Omar Bukhsh
Dec 9 '11 at 13:00
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