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event.preventDefault() function not working in IE
...;
to achieve the same result.
And in order not to get an error, you can test for the existence of preventDefault:
if(event.preventDefault) event.preventDefault();
You can combine the two with:
event.preventDefault ? event.preventDefault() : (event.returnValue = false);
...
MySQL integer field is returned as string in PHP
...
I just did some tests on Windows with Laravel and Mysql on the very same schema and database server. On Windows the primary key is returned as an Integer and on Linux it's a String.
– AturSams
Oct 28 '1...
Usage of protocols as array types and function parameters in swift
...help overcome this limitation in some cases.
struct AnyX {
private let _x: () -> Int
var x: Int { return _x() }
init<T: X>(_ some: T) {
_x = { some.x }
}
}
// Usage Example
struct XY: X {
var x: Int
var y: Int
}
struct XZ: X {
var x: Int
var z: In...
Implementing MVC with Windows Forms
...One developer / teams of 10 or 20 developers (just on the UI)
Lots of unit test using mocks etc / no unit tests
Therefore I don’t think it’s possible to create one implementation of MVC (or MVP) that always fits well.
The best posts I have seen really explaining MVC and why an MVC system is...
What is the difference between the bridge pattern and the strategy pattern?
...n UML
Strategy Pattern in Swift:
protocol PrintStrategy {
func print(_ string: String) -> String
}
class Printer {
let strategy: PrintStrategy
init(strategy: PrintStrategy) {
self.strategy = strategy
}
func print(_ string: String) -> String {
return self.strateg...
How to check if a float value is a whole number
...l round to 16 digits; 1.0000000000000001 is displayed as 1.0, in 3 the shortest string representation that produces the same value is shown.
– Martijn Pieters♦
Feb 5 '14 at 17:21
...
What does “coalgebra” mean in the context of programming?
...coalgebras" several times in functional programming and PLT circles, especially when the discussion is about objects, comonads, lenses, and such. Googling this term gives pages that give mathematical description of these structures which is pretty much incomprehensible to me. Can anyone please expla...
Predicate in Java
...egular expression.
This is essentially an OOP abstraction for a boolean test.
For example, you may have a helper method like this:
static boolean isEven(int num) {
return (num % 2) == 0; // simple
}
Now, given a List<Integer>, you can process only the even numbers like this:
Lis...
线程访问窗口资源的问题 - C/C++ - 清泛网 - 专注C/C++及内核技术
...并行运行的窗口）。在工作线程里调用AfxGetMainWnd（）->m_hWnd出错，也会发生发生内存访问冲突。（AfxGetMainWnd得到的是当前线程的主窗口）。
2.ASSERT((p = pMap->LookupPermanent(m_hWnd)) != NULL ||
(p = pMap->LookupTemporary(m_hWnd)) != NULL)失败;从...
How good is Java's UUID.randomUUID?
...es mandate that the output must pass a statistical random number generator test.
It's always possible for an implementation to contain subtle bugs that ruin all this (see OpenSSH key generation bug) but I don't think there's any concrete reason to worry about Java UUIDs's randomness.
...