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Good way of getting the user's location in Android
...t seems to work pretty well so far.
/**
* try to get the 'best' location selected from all providers
*/
private Location getBestLocation() {
Location gpslocation = getLocationByProvider(LocationManager.GPS_PROVIDER);
Location networkLocation =
getLocationByProvider(LocationMan...
How to find largest objects in a SQL Server database?
...quite a bit understanding and determining the size of indices and tables:
SELECT
t.name AS TableName,
i.name as indexName,
sum(p.rows) as RowCounts,
sum(a.total_pages) as TotalPages,
sum(a.used_pages) as UsedPages,
sum(a.data_pages) as DataPages,
(sum(a.total_pages) *...
“ClickOnce does not support the request execution level 'requireAdministrator.'”
...shing wizard, or 'Publish Now', the click-once checkbox gets automatically selected...
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Aggregate function in an SQL update query?
...
UPDATE t1
SET t1.field1 = t2.field2Sum
FROM table1 t1
INNER JOIN (select field3, sum(field2) as field2Sum
from table2
group by field3) as t2
on t2.field3 = t1.field3
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What is more efficient? Using pow to square or just multiply it with itself?
...d::chrono::high_resolution_clock::time_point from;
};
int main (int argc, char* argv[])
{
double total;
Timer timer;
total = 0.0;
timer.start();
for (double i = 0.0; i < 1.0; i += 1e-8)
total += std::pow (i,2);
std::cout << "std::pow(i,2): " << timer.elapsed() <...
MySQL - ORDER BY values within IN()
...
SELECT id, name
FROM mytable
WHERE name IN ('B', 'A', 'D', 'E', 'C')
ORDER BY FIELD(name, 'B', 'A', 'D', 'E', 'C')
The FIELD function returns the position of the first string in the remaining list of strings.
However, it i...
Writing data into CSV file in C#
...re the values
var allLines = (from trade in proposedTrades
select new object[]
{
trade.TradeType.ToString(),
trade.AccountReference,
trade.SecurityCodeType.ToString(),
trade.SecurityC...
What is the lifetime of a static variable in a C++ function?
... emitter a("in if");
static emitter b("in foo");
}
int main(int argc, char*[])
{
foo(argc != 2);
if (argc == 3)
foo(false);
}
Output:
C:>sample.exe
Created in foo
Destroyed in foo
C:>sample.exe 1
Created in if
Created in foo
Destroyed in foo
Destroyed in if
C:>sample...
How to make a JTable non-editable
...(int,int) which takes rowIndex and coulmnIndex as parameters. The user can selectively enable/disable editing for a particular row/column by overriding "isCellEditable" method or can use the default implementation to disable editing for all cells.
– sateesh
Jan...
Convert MySql DateTime stamp into JavaScript's Date format
...d.
A MySQL DATETIME column can be converted to a unix timestamp through:
SELECT unix_timestamp(my_datetime_column) as stamp ...
We can make a new JavaScript Date object by using the constructor that requires milliseconds since the epoch. The unix_timestamp function returns seconds since the epoc...