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SQL Server: Is it possible to insert into two tables at the same time?
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In one statement: No.
In one transaction: Yes
BEGIN TRANSACTION
DECLARE @DataID int;
INSERT INTO DataTable (Column1 ...) VALUES (....);
SELECT @DataID = scope_identity();
INSERT INTO LinkTable VALUES (@ObjectID, @D...
Remove all values within one list from another list? [duplicate]
...s surprised by results, so I want to share it with you.
Experiments were done using pythonbenchmark tool and with
a = range(1,50000) # Source list
b = range(1,15000) # Items to remove
Results:
def comprehension(a, b):
return [x for x in a if x not in b]
5 tries, average time 12.8 sec
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eval command in Bash and its typical uses
...lue of the variable whose name is in this variable”, though:
echo ${!n}
one
$(…) runs the command specified inside the parentheses in a subshell (i.e. in a separate process that inherits all settings such as variable values from the current shell), and gathers its output. So echo $($n) runs $...
Fragment is not being replaced but put on top of the previous one
...roblem but my issue was that I was using two different Fragment managers:
One from getSupportFragmentManager() and one from getFragmentManager(). If I added one fragment with the SupportFragmentManager and then tried replacing the fragment with the FragmentManager, the fragment would just get added...
Delete a single record from Entity Framework?
...have a list of IDs from some other query or source, and you need to delete one. Rather than loading up the objects just to delete them, this way you can delete by ID. You know, that's how the DELETE statement works in SQL normally.
– siride
Jul 11 '16 at 18:18
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BASH copy all files except one
I would like to copy all files out of a dir except for one named Default.png. It seems that there are a number of ways to do this. What seems the most effective to you?
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How can I quantify difference between two images?
...f we compare image to itself, there is no difference:
$ python compare.py one.jpg one.jpg
Manhattan norm: 0.0 / per pixel: 0.0
Zero norm: 0 / per pixel: 0.0
If we blur the image and compare to the original, there is some difference:
$ python compare.py one.jpg one-blurred.jpg
Manhattan norm: 92...
How to check if one of the following items is in a list?
...es writing a function to accomplish this, is the any short way to check if one of multiple items is in a list.
14 Answers
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Working with $scope.$emit and $scope.$on
How can I send my $scope object from one controller to another using .$emit and .$on methods?
12 Answers
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Set up a scheduled job?
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One solution that I have employed is to do this:
1) Create a custom management command, e.g.
python manage.py my_cool_command
2) Use cron (on Linux) or at (on Windows) to run my command at the required times.
This is a ...