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How to delete an SMS from the inbox in Android programmatically?
...e.obj;
getContentResolver().delete(deleteUri, "address=? and date=?", new String[] {msg.getOriginatingAddress(), String.valueOf(msg.getTimestampMillis())});
I use the originating address and timestamp field to ensure a very high probability of deleting ONLY the message I am interested in. If...
Groovy Shell warning “Could not open/create prefs root node …”
...ware\WOW6432Node\JavaSoft)
Right click on the JavaSoft folder and click on New -> Key
Name the new Key Prefs and everything should work.
Alternatively, save and execute a *.reg file with the following content:
Windows Registry Editor Version 5.00
[HKEY_LOCAL_MACHINE\Software\JavaSoft\Prefs]
...
MySQL how to join tables on two fields
...
Basically, slowness is because concrete calculates new values that has no indexes so direct conditions should be faster. if even this query would be slow again, check is indexes exists, and sometimes creation one index for 2 fields also makes sense.
– Eu...
How to rename a single column in a data.frame?
...
colnames(trSamp)[2] <- "newname2"
attempts to set the second column's name. Your object only has one column, so the command throws an error. This should be sufficient:
colnames(trSamp) <- "newname2"
...
SQLite table constraint - unique on multiple columns
...ACE it may not be what you want--it deletes pre-existing rows to allow the new row to be inserted. Normally, I would want to ABORT or ROLLBACK the constraint violation. SQLite ON CONFLICT clause
– karmakaze
Feb 23 at 2:47
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Is there a shortcut in Eclipse to Re-run the most recently launched program?
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The new behaviour is optimal for beginners that write a single executable class. The old approach is optimal for large tasks with multiple projects that may have several entry points.
– Audrius Meskauskas
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How to convert JSON data into a Python object
...port SimpleNamespace
data = '{"name": "John Smith", "hometown": {"name": "New York", "id": 123}}'
# Parse JSON into an object with attributes corresponding to dict keys.
x = json.loads(data, object_hook=lambda d: SimpleNamespace(**d))
print(x.name, x.hometown.name, x.hometown.id)
OLD ANSWER (Pyth...
RequestDispatcher.forward() vs HttpServletResponse.sendRedirect()
... request and response objects, so our old request object is present on the new resource which is going to process our request.
Visually, we are not able to see the forwarded address, it is transparent.
Using the forward() method is faster than sendRedirect.
When we redirect using forward, and ...
Best way to extract a subvector from a vector?
...et's call it myVec ) of size N . What's the simplest way to construct a new vector consisting of a copy of elements X through Y, where 0
...
Sending data back to the Main Activity in Android
...Intent that is passed back to the calling Activity.
Intent resultIntent = new Intent();
// TODO Add extras or a data URI to this intent as appropriate.
resultIntent.putExtra("some_key", "String data");
setResult(Activity.RESULT_OK, resultIntent);
finish();
To access the returned data in the call...