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SQL Server add auto increment primary key to existing table
...lues when you do this:
ALTER TABLE dbo.YourTable
ADD ID INT IDENTITY
and then you can make it the primary key:
ALTER TABLE dbo.YourTable
ADD CONSTRAINT PK_YourTable
PRIMARY KEY(ID)
or if you prefer to do all in one step:
ALTER TABLE dbo.YourTable
ADD ID INT IDENTITY
CONSTRA...
C# List of objects, how do I get the sum of a property
...
And if you need to do it on items that match a specific condition...
double total = myList.Where(item => item.Name == "Eggs").Sum(item => item.Amount);
...
How to prevent a dialog from closing when a button is clicked
...input. When I click the "yes" button on dialog, it will validate the input and then close the dialog. However, if the input is wrong, I want to remain in the same dialog. Every time no matter what the input is, the dialog should be automatically closed when I click on the "no" button. How can I disa...
How do I set the default font size in Vim?
...ndows')
"get dpi, strip out utf-16 garbage and new lines
"system() converts 0x00 to 0x01 for 'platform independence'
"should return something like 'PixelsPerXLogicalInch=192'
"get the part from the = to the end of the line (eg '=192') and strip
"the first character
"and conve...
How can I check if my python object is a number? [duplicate]
...0, 0.0, 0j, decimal.Decimal(0))]
[True, True, True, True]
This uses ABCs and will work for all built-in number-like classes, and also for all third-party classes if they are worth their salt (registered as subclasses of the Number ABC).
However, in many cases you shouldn't worry about checking t...
Strengths of Shell Scripting compared to Python [closed]
...ntage. For example, consider resizing a directory full of images with the convert program.
– Glenn
May 1 '09 at 23:24
7
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Should struct definitions go in .h or .c file?
I've seen both full definitions of struct s in headers and just declarations—is there any advantage to one method over the other?
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Can a shell script set environment variables of the calling shell? [duplicate]
... answered Jan 30 '09 at 19:06
converter42converter42
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How to Reverse Fragment Animations on BackStack?
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According to the android documentation for custom animation:
Change:
ft.setCustomAnimations(R.anim.slide_in, R.anim.hyperspace_out);
To:
ft.setCustomAnimations(R.anim.slide_in, R.anim.hyperspace_out, R.anim.hyperspace_in, R.anim.slide_ou...
How can I change the color of AlertDialog title and the color of the line under it
I changed the color of an AlertDialog title using this command
14 Answers
14
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