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Entity Framework - Invalid Column Name '*_ID"
...get; set; }
public Guid CategoryId { get; set; }
[Required]
[StringLength(200)]
public string Name { get; set; }
[StringLength(500)]
public string Description { get; set; }
[StringLength(50)]
public string ShortName { get; set; }
[StringLength(500)]
publi...
When should null values of Boolean be used?
...umn).
I see no reason to convert from boolean to Boolean as it introduces extra memory overhead, NPE possibility and less typing. Typically I use awkward BooleanUtils.isTrue() to make my life a little bit easier with Boolean.
The only reason for the existence of Boolean is the ability to have coll...
What is the difference between “px”, “dip”, “dp” and “sp”?
...tual screen sizes into four
generalized sizes: small, normal, large, and extra-large.
Screen density
The number of pixels within a physical area of the
screen; usually referred to as dpi (dots per inch). For example, a
"low" density screen has fewer pixels within a given physical area,...
What is your favorite C programming trick? [closed]
...re you can write "str[]" as the last member of a struct). you could make a string "object" like this:
struct X {
int len;
char str[1];
};
int n = strlen("hello world");
struct X *string = malloc(sizeof(struct X) + n);
strcpy(string->str, "hello world");
string->len = n;
here, we've...
How can I perform a reverse string search in Excel without using VBA?
I have an Excel spreadsheet containing a list of strings. Each string is made up of several words, but the number of words in each string is different.
...
How to write Unicode characters to the console?
...F8;
for (var i = 0; i <= 1000; i++) {
Console.Write(Strings.ChrW(i));
if (i % 50 == 0) { // break every 50 chars
Console.WriteLine();
}
}
Console.ReadKey();
}
}
VB.NET
imports Microsoft.VisualBasic
imports System
...
How to access session variables from any class in ASP.NET?
...}
// **** add your session properties here, e.g like this:
public string Property1 { get; set; }
public DateTime MyDate { get; set; }
public int LoginId { get; set; }
}
This class stores one instance of itself in the ASP.NET session and allows you to access your session properties...
Illegal pattern character 'T' when parsing a date string to java.util.Date
I have a date string and I want to parse it to normal date use the java Date API,the following is my code:
3 Answers
...
Error: free(): invalid next size (fast):
...ng to allocate space for an array of pointers, such as
char** my_array_of_strings; // or some array of pointers such as int** or even void**
then you will need to consider word size (8 bytes in a 64-bit system, 4 bytes in a 32-bit system) when allocating space for n pointers. The size of a poin...
Tetris-ing an array
...
Write a function longest_common_prefix that takes two strings as input. Then apply it to the strings in any order to reduce them to their common prefix. Since it is associative and commutative the order doesn't matter for the result.
This is the same as for other binary operati...