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CASCADE DELETE just once
...you want to cascade.
DELETE FROM some_child_table WHERE some_fk_field IN (SELECT some_id FROM some_Table);
DELETE FROM some_table;
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Salting Your Password: Best Practices?
...mantics. Pick a different salt per password, a long salt, and include odd characters in it like symbols and ASCII codes: ©¤¡
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How enumerate all classes with custom class attribute?
... faster (especially without empirical proof); you've basically written the Select extension method, and the compiler will generate a state machine just as it would if you called Select because of your use of yield return. Finally, any performance gains that might be obtained in the majority of case...
What is the best way to add options to a select from a JavaScript object with jQuery?
What is the best method for adding options to a <select> from a JavaScript object using jQuery?
36 Answers
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Using IQueryable with Linq
...ram. Your program then filters the data. In essence, the database does a SELECT * FROM Products, and returns EVERY product to you.
With the right IQueryable<T> provider, on the other hand, you can do:
IQueryable<Product> products = myORM.GetQueryableProducts();
var productsOver25 =...
How to change language of app when user selects language?
...o support three languages Spanish,Portuguese & English. And give option to select language in app.I have made
7 Answers
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What's wrong with this 1988 C code?
...ain() is also dated, it should be like something this.
int main(int argc, char** argv) {
...
return 0;
}
The compiler will assume an int return value for a function w/o one, and I'm sure the compiler/linker will work around the lack of declaration for argc/argv and the lack of return valu...
CSS - How to Style a Selected Radio Buttons Label?
I want to add a style to a radio button's selected label:
6 Answers
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How to create a WPF UserControl with NAMED content
... string[] names = e.NewValue.ToString().Split(new char[] { ',' });
if (d is FrameworkElement)
{
((FrameworkElement)d).Name = names[0];
Type t = Type.GetTy...
Why do most C developers use define instead of const? [duplicate]
...s is actually my preference in such a case.
enum { FIELD_WIDTH = 16384 };
char buf[FIELD_WIDTH];
In C++ this is a huge advantage as you can scope your enum in a class or namespace, whereas you cannot scope a #define.
In C you don't have namespaces and cannot scope an enum inside a struct, and am...