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How do you effectively model inheritance in a database?
...s has its own table. The base class has all the base class elements in it, and each class which derives from it has its own table, with a primary key which is also a foreign key to the base class table; the derived table's class contains only the different elements.
So for example:
class Person {
...
What are forward declarations in C++?
...really just allows the compiler to do a better job of validating the code, and allows it to tidy up loose ends so it can produce a neat looking object file. If you didn't have to forward declare things, the compiler would produce an object file that would have to contain information about all the po...
How can I perform a culture-sensitive “starts-with” operation from the middle of a string?
...
I'll consider the problem of many<->one/many casemappings first and separately from handling different Normalization forms.
For example:
x heiße y
^--- cursor
Matches heisse but then moves cursor 1 too much. And:
x heisse y
^--- cursor
Matches heiße but then moves cursor 1 to...
Is int[] a reference type or a value type?
...ime (CLR) supports
single-dimensional arrays,
multidimensional arrays, and jagged
arrays (arrays of arrays). All array
types are implicitly derived from
System.Array, which itself is derived
from System.Object. This means that
all arrays are always reference types
which are allocated...
Install a .NET windows service without InstallUtil.exe
I have a standard .NET windows service written in C#.
7 Answers
7
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How does the static modifier affect this code?
...n, 2. Execution
In identification phase all static variables are detected and initialized with default values.
So now the values are:
A obj=null
num1=0
num2=0
The second phase, execution, starts from top to bottom. In Java, the execution starts from the first static members.
Here your first static...
How do you round a number to two decimal places in C#?
...per to specify the type of rounding (Round-to-even or Away-from-zero). The Convert.ToInt32() method and its variations use round-to-even. The Ceiling() and Floor() methods are related.
You can round with custom numeric formatting as well.
Note that Decimal.Round() uses a different method than Mat...
How do DATETIME values work in SQLite?
...ions can chose to store dates and times in any of these formats and freely convert between formats using the built-in date and time functions.
SQLite built-in Date and Time functions can be found here.
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Custom Adapter for List View
...list view. Is there any article that can walk me through how to create one and also explain how it works?
13 Answers
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Is it possible to force Excel recognize UTF-8 CSV files automatically?
...
I use Notepad++ to easily convert the .csv from UTF-8 to UTF-8 with BOM
– Sébastien
Jun 6 '16 at 8:02
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