by: Medi Montaseri |
last post by:
Hi,
Given a collection of similar but not exact entities (or products)
Toyota, Ford, Buick, etc; I am contemplating using the Abstraction pattern
to provide a common interface to these products....
|
by: Brendan McLoughlin |
last post by:
Hi,
I am looking for opinions and alternatives for handling
null values in a data object which reads a record from a
database table.
This object will have properties which will be populated...
|
by: Tom Dacon |
last post by:
I'm curious to see if anyone has an opinion on this little design question -
I'm doing a computational astronomy library in C#, purely for my own use,
and one of the things that happens regularly...
|
by: farseer |
last post by:
Here is the scenario:
I have an interface which defines get methods for data that will make
up a row in a table. However, the source of this data may, over time,
switch/change (The company may...
|
by: Hasan O. Zavalsiz |
last post by:
Hi , i am trying to figure out which approach is better to use .
let me explain the scenario.
i am using the "Nortwind" database . in this database i have "Customers "
table .The following is the...
|
by: Gaensh |
last post by:
HI,
I have a singleton pattern to acess my database the following is
the sample code use to implement singleton pattern
public class DataAccessHelper
{
private static DataAccessHelper instance;...
|
by: Mike |
last post by:
Hello NG,
i am just learning various Design Patterns and now i am not sure, if
this design is correct (Builder) or if i should use an other pattern.
I have various classes (here ChildA and...
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by: Steven Nagy |
last post by:
So I was needing some extra power from my enums and implemented the
typesafe enum pattern.
And it got me to thinking... why should I EVER use standard enums?
There's now a nice little code...
|
by: Mohamed Mansour |
last post by:
Hello,
What is the purpose of implementing the Observer Pattern if we can trigger
an event easily?
For example (from books),
You have a "Forecaster" which notifies "Observable" when a...
|
by: vizzz |
last post by:
Hi there,
i need to find an hex pattern like 0x650A1010 in a binary file.
i can make a small algorithm that fetch all the file for the match,
but this file is huge, and i'm scared about...
|
by: CloudSolutions |
last post by:
Introduction:
For many beginners and individual users, requiring a credit card and email registration may pose a barrier when starting to use cloud servers. However, some cloud server providers now...
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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: 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: taylorcarr |
last post by:
A Canon printer is a smart device known for being advanced, efficient, and reliable. It is designed for home, office, and hybrid workspace use and can also be used for a variety of purposes. However,...
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by: Charles Arthur |
last post by:
How do i turn on java script on a villaon, callus and itel keypad mobile phone
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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: 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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