by: John Wood |
last post by:
I was just looking at an article about using nullable value types. (value
types that can effectively have no value and not be set).
The syntax is to append a question-mark to the value type in...
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by: Steven Livingstone |
last post by:
I've just blogged some stuff on Nullable types in net 2.0.
http://stevenr2.blogspot.com/2006/01/nullable-types-and-null-coalescing.html
Question however as to why you can't simply get an implcit...
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by: Steven Livingstone |
last post by:
Bit of advice here folks.
I am creating a default constructor that just initializes a new instance of
my object and a secon constructor that takes an ID and loads an object with
data from the...
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by: shawnk |
last post by:
Given several nullable boolean flags;
bool? l_flg_01 = true;
bool? l_flg_02 = false;
bool? l_flg_03 = true;
bool? l_result_flg = null;
I would have liked...
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by: Larry Lard |
last post by:
There seems to be something a bit lacking in the way the dataset
designer thing deals (or rather doesn't) with nullable fields in
VS2005. Maybe it's cos I'm using VB2005 Express (which is variously...
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by: Sam Kong |
last post by:
Hello,
I want to define a generic class which should accept only nullable
types or reference types.
What's the best way to costrain it?
---------
class MyClass<T>{
...
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by: Mike P |
last post by:
What are nullable types used for? The only use I can think of is where
I have a method like this where some values being passed to it may be
null :
public int AddUser(int? UserRegion, string...
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by: J Miro |
last post by:
When I use ToString method to format the value of a nullable numeric
variable, I get "No overload for method 'ToString' takes '1' arguments"
error message. Example:
Int32? myNum = 12345;
...
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by: Tony Johansson |
last post by:
Hello!
I'm reading in a book called Visual C# 2005. In the chapter about Generics
there ia a section about Nullable types.
Here is the text that isn't complete true I think. It says:
"You...
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by: Faith0G |
last post by:
I am starting a new it consulting business and it's been a while since I setup a new website. Is wordpress still the best web based software for hosting a 5 page website? The webpages will be...
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by: isladogs |
last post by:
The next Access Europe User Group meeting will be on Wednesday 3 Apr 2024 starting at 18:00 UK time (6PM UTC+1) and finishing by 19:30 (7.30PM).
In this session, we are pleased to welcome former...
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by: ryjfgjl |
last post by:
In our work, we often need to import Excel data into databases (such as MySQL, SQL Server, Oracle) for data analysis and processing. Usually, we use database tools like Navicat or the Excel import...
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by: aa123db |
last post by:
Variable and constants
Use var or let for variables and const fror constants.
Var foo ='bar';
Let foo ='bar';const baz ='bar';
Functions
function $name$ ($parameters$) {
}
...
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by: ryjfgjl |
last post by:
If we have dozens or hundreds of excel to import into the database, if we use the excel import function provided by database editors such as navicat, it will be extremely tedious and time-consuming...
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by: ryjfgjl |
last post by:
In our work, we often receive Excel tables with data in the same format. If we want to analyze these data, it can be difficult to analyze them because the data is spread across multiple Excel files...
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by: emmanuelkatto |
last post by:
Hi All, I am Emmanuel katto from Uganda. I want to ask what challenges you've faced while migrating a website to cloud.
Please let me know.
Thanks!
Emmanuel
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by: Sonnysonu |
last post by:
This is the data of csv file
1 2 3
1 2 3
1 2 3
1 2 3
2 3
2 3
3
the lengths should be different i have to store the data by column-wise with in the specific length.
suppose the i have to...
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by: Hystou |
last post by:
There are some requirements for setting up RAID:
1. The motherboard and BIOS support RAID configuration.
2. The motherboard has 2 or more available SATA protocol SSD/HDD slots (including MSATA, M.2...
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