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C# member variable initialization; best practice?
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In terms of performance, there is no real difference; field initializers are implemented as constructor logic. The only difference is that field initializers happen before any "base"/"this" constructor.
The constructor approach can be used ...
Add column to SQL Server
...int column existing rows will be
given a NULL value for the new column*/
Or
ALTER TABLE YourTable
ADD Bar INT NOT NULL DEFAULT(0) /*Adds a new int column existing rows will
be given the value zero*/
In SQL Server 2008 the first one is ...
BindingFlags.IgnoreCase not working for Type.GetProperty()?
...flags you need to provide all the info so that the property can be found. For example: BindingFlags.IgnoreCase | BindingFlags.Public | BindingFlags.Instance
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SQL function as default parameter value?
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Default value for stored procedures parameter have to be constants.
You'd need to do the following...
ALTER Procedure [dbo].[my_sp]
@currentDate datetime = null
AS
IF @currentDate is null
SET @currentDate = getdate()
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c# why can't a nullable int be assigned null as a value [duplicate]
... to an int?. The problem is that both values returned by the ternary operator must be the same type, or one must be implicitly convertible to the other. In this case, null cannot be implicitly converted to int nor vice-versus, so an explict cast is necessary. Try this instead:
int? accom = (accomSt...
How can I make grep print the lines below and above each matching line? [duplicate]
I have to parse a very large file and I want to use the command grep (or any other tool).
3 Answers
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How do I pick 2 random items from a Python set? [duplicate]
I currently have a Python set of n size where n >= 0. Is there a quick 1 or 2 lines Python solution to do it? For example, the set will look like:
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How do I set a JLabel's background color?
In my JPanel , I set the background of a JLabel to a different color. I can see the word "Test" and it's blue, but the background doesn't change at all. How can I get it to show?
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JavaScript .replace only replaces first Match [duplicate]
...og(result);
You can play with it here, the default .replace() behavior is to replace only the first match, the /g modifier (global) tells it to replace all occurrences.
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What is the difference between .py and .pyc files? [duplicate]
...ytecode of Python source files. The Python interpreter loads .pyc files before .py files, so if they're present, it can save some time by not having to re-compile the Python source code. You can get rid of them if you want, but they don't cause problems, they're not big, and they may save some time ...