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Quickest way to convert a base 10 number to any base in .NET?
...ing hexavigesimal = IntToString(42,
Enumerable.Range('A', 26).Select(x => (char)x).ToArray());
// convert to sexagesimal
string xx = IntToString(42,
new char[] { '0','1','2','3','4','5','6','7','8','9',
'A','B','C','D','E','F','G','H','I','J'...
SQL Server: Make all UPPER case to Proper Case/Title Case
...lare @i int;
declare @c char(1);
if @Text is null
return null;
select @Reset = 1, @i = 1, @Ret = '';
while (@i <= len(@Text))
select @c = substring(@Text, @i, 1),
@Ret = @Ret + case when @Reset = 1 then UPPER(@c) else LOWER(@c) end,
@Reset = case when @c like '[a-zA...
How to delete duplicate rows in SQL Server?
... are deleted (or updated), therefore just change the DELETE FROM CTE... to SELECT * FROM CTE:
WITH CTE AS(
SELECT [col1], [col2], [col3], [col4], [col5], [col6], [col7],
RN = ROW_NUMBER()OVER(PARTITION BY col1 ORDER BY col1)
FROM dbo.Table1
)
DELETE FROM CTE WHERE RN > 1
DEMO (re...
Why is '+' not understood by Python sets?
...ts don't have an implementation for the + operator.
You can use | for set union and & for set intersection.
Sets do implement - as set difference. You can also use ^ for symmetric set difference (i.e., it will return a new set with only the objects that appear in one set but do not appear in b...
Generate class from database table
...eName'
declare @Result varchar(max) = 'public class ' + @TableName + '
{'
select @Result = @Result + '
public ' + ColumnType + NullableSign + ' ' + ColumnName + ' { get; set; }
'
from
(
select
replace(col.name, ' ', '_') ColumnName,
column_id ColumnId,
case typ.name...
Add spaces before Capital Letters
... line with linq:
var val = "ThisIsAStringToTest";
val = string.Concat(val.Select(x => Char.IsUpper(x) ? " " + x : x.ToString())).TrimStart(' ');
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What is the fastest or most elegant way to compute a set difference using Javascript arrays?
...t; 1; };
var fnVal = function (v, c) { return v; };
return myUtils.select(h, fnSel, fnVal);
}
};
This assumes that each and filter are defined for arrays, and that we have two utility methods:
myUtils.keys(hash): returns an
array with the keys of the hash
myUtils.select(hash, fnSelect...
How to list the tables in a SQLite database file that was opened with ATTACH?
...quently, if you used
ATTACH some_file.db AS my_db;
then you need to do
SELECT name FROM my_db.sqlite_master WHERE type='table';
Note that temporary tables don't show up with .tables either: you have to list sqlite_temp_master for that:
SELECT name FROM sqlite_temp_master WHERE type='table';
...
Difference between const & const volatile
...and volatile separately. Besides, these type qualifier applies for struct, union, enum and typedef as well.
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Obfuscated C Code Contest 2006. Please explain sykes2.c
... the appearance of each character, and the second table (";;;====~$::199") selects the appropriate bit to display from the bitmap.
The second table
Let's start by examining the second table, int shift = ";;;====~$::199"[(i*2&8) | (i/64)];. i/64 is the line number (6 to 0) and i*2&8 is 8 if...