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Padding or margin value in pixels as integer using jQuery
...y just to do something that's already natively available!
jQuery's .css() converts %'s and em's to their pixel equivalent to begin with, and parseInt() will remove the 'px' from the end of the returned string and convert it to an integer:
http://jsfiddle.net/BXnXJ/
$(document).ready(function () {...
When should I make explicit use of the `this` pointer?
...ired.
Consider the following code:
template<class T>
struct A {
int i;
};
template<class T>
struct B : A<T> {
int foo() {
return this->i;
}
};
int main() {
B<int> b;
b.foo();
}
If you omit this->, the compiler does not know how to trea...
C++ Tuple vs Struct
...e first start with a default struct and a tuple.
struct StructData {
int X;
int Y;
double Cost;
std::string Label;
bool operator==(const StructData &rhs) {
return std::tie(X,Y,Cost, Label) == std::tie(rhs.X, rhs.Y, rhs.Cost, rhs.Label);
}
bool operator<...
Sending Arguments To Background Worker?
Let's say I want to sent an int parameter to a background worker, how can this be accomplished?
8 Answers
...
How many constructor arguments is too many?
...
Two design approaches to consider
The essence pattern
The fluent interface pattern
These are both similar in intent, in that we slowly build up an intermediate object, and then create our target object in a single step.
An example of the fluent interface in action would be:
public class...
How do I find out which process is locking a file using .NET?
...
Good point. This wasn't a problem with the deployment script (used internally), but would be in other scenarios.
– orip
Jan 5 '12 at 10:54
...
Connecting overloaded signals and slots in Qt 5
...m having trouble getting to grips with the new signal/slot syntax (using pointer to member function) in Qt 5, as described in New Signal Slot Syntax . I tried changing this:
...
Testing HTML email rendering [closed]
...
If you are converting your HTML pages to Email.
You should check
Premailer,
It converts CSS to inline CSS and also tests the compatibility with major email clients.
...
Hidden features of C
...
Function pointers. You can use a table of function pointers to implement, e.g., fast indirect-threaded code interpreters (FORTH) or byte-code dispatchers, or to simulate OO-like virtual methods.
Then there are hidden gems in the stand...
Non-static variable cannot be referenced from a static context
...ecific instance. For methods, this usually are global helper methods (like Integer.parseInt()). For fields, it's usually constants (like car types, i.e. something where you have a limited set which doesn't change often).
To solve your problem, you need to instantiate an instance (create an object) ...