大约有 40,000 项符合查询结果（耗时：0.0290秒） [XML]
Generate MD5 hash string with T-SQL
...
Use HashBytes
SELECT HashBytes('MD5', 'email@dot.com')
That will give you 0xF53BD08920E5D25809DF2563EF9C52B6
-
SELECT CONVERT(NVARCHAR(32),HashBytes('MD5', 'email@dot.com'),2)
That will give you F53BD08920E5D25809DF2563EF9C52B6
...
Select a Dictionary with LINQ
I have used the "select" keyword and extension method to return an IEnumerable<T> with LINQ, but I have a need to return a generic Dictionary<T1, T2> and can't figure it out. The example I learned this from used something in a form similar to the following:
...
How to add directory to classpath in an application run profile in IntelliJ IDEA?
...e F12)
click on the dependencies tab
Click the "+" button on the right and select "Jars or directories..."
Find your path and click OK
In the dialog with "Choose Categories of Selected File", choose Classes (even if it's properties), press OK and OK again
You can now run your application and it will...
How to display the function, procedure, triggers source code in postgresql?
...
For function:
you can query the pg_proc view , just as the following
select proname,prosrc from pg_proc where proname= your_function_name;
Another way is that just execute the commont \df and \ef which can list the functions.
skytf=> \df
...
How to migrate/convert from SVN to Mercurial (hg) on windows
...made
much simpler: Start the TortoiseHG
Workbench from the Start menu. Select
File --> Settings. Select Extensions
from the list. Check the 'convert'
checkbox and click OK. That's it! No
need to try to generate the config
file anymore and search it in the file
system. – bgever M...
How do I check in SQLite whether a table exists?
...sed that FAQ entry.
Anyway, for future reference, the complete query is:
SELECT name FROM sqlite_master WHERE type='table' AND name='{table_name}';
Where {table_name} is the name of the table to check.
Documentation section for reference: Database File Format. 2.6. Storage Of The SQL Database S...
SQL Server: Is it possible to insert into two tables at the same time?
...LARE @DataID int;
INSERT INTO DataTable (Column1 ...) VALUES (....);
SELECT @DataID = scope_identity();
INSERT INTO LinkTable VALUES (@ObjectID, @DataID);
COMMIT
The good news is that the above code is also guaranteed to be atomic, and can be sent to the server from a client application w...
What is the best way to conditionally apply a class?
...ul with an li for each element and a property on the controller called selectedIndex . What would be the best way to add a class to the li with the index selectedIndex in AngularJS?
...
Selectively revert or checkout changes to a file in Git?
... @Jan Do other version control systems' revert command allow you to select which changes within a file are reverted? Genuinely asking, as I only have experience with CVS and Git. In Git, git checkout -- path/to/file is a single command that reverts all changes in that file, but this is not th...
Xcode duplicate/delete line
...ct with the following content and restart Xcode.
{
"^$K" = (
"selectLine:",
"cut:"
);
"^$D" = (
"selectLine:",
"copy:",
"moveToEndOfLine:",
"insertNewline:",
"paste:",
"deleteBackward:"
);
}
This will create two shor...