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How do I remedy “The breakpoint will not currently be hit. No symbols have been loaded for this docu
... Make sure that [Debug Info:] is set to [full] - fixed it for me! I have multiple configurations set up on my project, the new ones I added didn't have this set.
– Chiefy
Feb 13 '14 at 9:35
...
Why should I prefer to use member initialization lists?
...ss members which are classes, then it avoids an unnecessary call to a default constructor. Consider:
class A
{
public:
A() { x = 0; }
A(int x_) { x = x_; }
int x;
};
class B
{
public:
B()
{
a.x = 3;
}
private:
A a;
};
In this case, the constructor for B will ...
Python 3.x rounding behavior
...ions aren't on the bus yet.
The simple "always round 0.5 up" technique results in a slight bias toward the higher number. With large numbers of calculations, this can be significant. The Python 3.0 approach eliminates this issue.
There is more than one method of rounding in common use. IEEE 754, the...
javascript scroll event for iPhone/iPad?
.../ipad only works with window.pageYOffset and not document.body.scrollTop||document.documentElement.scrollTop like every other browser/hardware in existence.
– ck_
May 19 '10 at 7:55
...
What is a Question Mark “?” and Colon “:” Operator Used for? [duplicate]
...se construct in C, Java and JavaScript is written:
if (a > b) {
result = x;
} else {
result = y;
}
This can be rewritten as the following statement:
result = a > b ? x : y;
Basically it takes the form:
boolean statement ? true result : false result;
So if the boolean statement is t...
What are good uses for Python3's “Function Annotations”
...(x, int)
def between(lo, hi):
def _between(x):
return lo <= x <= hi
return _between
def f(x: between(3, 10), y: is_int):
validate(f, locals())
print(x, y)
>>> f(0, 31.1)
Traceback (most recent call last):
...
AssertionError: Var: y Value: 31.1 Test...
How do I do an initial push to a remote repository with Git?
...placed the touch .gitignore with creating a rails project with its 66 default files. Thank you very much!
– Donald Hughes
Feb 25 '10 at 20:50
...
Javascript Shorthand for getElementById
...
@patrick dw I like that. Especially with the wealth of valid variable names out there :)
– Fox Wilson
Jun 18 '11 at 20:56
4
...
iPhone viewWillAppear not firing
... view I use the following:
[self.navigationController pushViewController:<view> animated:<BOOL>];
When I do this, I do get the viewWillAppear function to fire. I suppose this qualifies as "indirect" because I'm not calling the actual addSubView method myself. I don't know if this is 1...
Use of ~ (tilde) in R programming Language
...
The thing on the right of <- is a formula object. It is often used to denote a statistical model, where the thing on the left of the ~ is the response and the things on the right of the ~ are the explanatory variables. So in English you'd say someth...