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How to make my custom type to work with “range-based for loops”?
...ion of this defect report.
The way to make a for(:) loop work on your type X is now one of two ways:
Create member X::begin() and X::end() that return something that acts like an iterator
Create a free function begin(X&) and end(X&) that return something that acts like an iterator, in the ...
sort object properties and JSON.stringify
... {
var flatObject = flattenObject(ob[i]);
for (var x in flatObject) {
if (!flatObject.hasOwnProperty(x)) continue;
toReturn[i + '.' + x] = flatObject[x];
}
} else {
toReturn[i] = ob[i];
}
}
retur...
What's the syntax for mod in java
As an example in pseudocode:
17 Answers
17
...
Null coalescing in powershell
...shell.
Null Coalescing
$null ?? 100 # Result is 100
"Evaluated" ?? (Expensive-Operation "Not Evaluated") # Right side here is not evaluated
Null Conditional Assignment
$x = $null
$x ??= 100 # $x is now 100
$x ??= 200 # $x remains 100
Ternary Operator
$true ? "this value returne...
How to watch for array changes?
...way to be notified when an array is modified using push, pop, shift or index-based assignment? I want something that would fire an event that I could handle.
...
Generate a random point within a circle (uniformly)
...t uniformly in a triangle ABC, where |AB|=|BC|? Let's make this easier by extending to a parallelogram ABCD. It's easy to generate points uniformly in ABCD. We uniformly pick a random point X on AB and Y on BC and choose Z such that XBYZ is a parallelogram. To get a uniformly chosen point in the ori...
Changing UIImage color
...e = <# UIImage #>;// Image to mask with
UIGraphicsBeginImageContextWithOptions(image.size, NO, image.scale);
CGContextRef context = UIGraphicsGetCurrentContext();
[color setFill];
CGContextTranslateCTM(context, 0, image.size.height);
CGContextScaleCTM(context, 1.0, -1.0);
...
Force re-download of release dependency using Maven
I'm working on a project with dependency X. X, in turn, depends on Y.
13 Answers
13
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How can you determine a point is between two other points on a line segment?
...o dimensional plane with 2 points (called a and b) on it represented by an x integer and a y integer for each point.
20 Ans...
Counting the number of elements with the values of x in a vector
... a great point. These are all integers, so it isn't a real issue in this example, right?
– Shane
Dec 17 '09 at 18:18
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