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C++ convert vector to vector
...lt;int> intVec to std::vector<double> doubleVec . Or, more generally, to convert two vectors of convertible types?
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Accessing the index in 'for' loops?
... additional state variable, such as an index variable (which you would normally use in languages such as C or PHP), is considered non-pythonic.
The better option is to use the built-in function enumerate(), available in both Python 2 and 3:
for idx, val in enumerate(ints):
print(idx, val)
Ch...
How can I add CGPoint objects to an NSArray the easy way?
... as many [NSValue] instances as you have CGPoint, and end the list in nil. All objects in this structure are auto-released.
On the flip side, when you're pulling the values out of the array:
NSValue *val = [points objectAtIndex:0];
CGPoint p = [val CGPointValue];
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Get number of digits with JavaScript
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length is a property, not a method. You can't call it, hence you don't need parenthesis ():
function getlength(number) {
return number.toString().length;
}
UPDATE: As discussed in the comments, the above example won't work for float numbers. To make it working we c...
IEnumerable to string [duplicate]
... across this before, but I have now and am surprised that I can't find a really easy way to convert an IEnumerable<char> to a string .
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How do I get the path of a process in Unix / Linux
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ll usually is an alias: alias ll='ls -alF'.
– Pablo Bianchi
Aug 21 '18 at 4:19
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What does it mean when an HTTP request returns status code 0?
What does it mean when JavaScript network calls such as fetch or XMLHttpRequest, or any other type of HTTP network request, fail with an HTTP status code of 0?
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SSH to Vagrant box in Windows?
... just use the proper solution, not workaround: there is my answer below. Small patch in Vagrant.
– Michael Field
Dec 4 '12 at 18:07
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Matplotlib connect scatterplot points with line - Python
...ying line thickness or color, so I think your criticism is a bit unfair, really.
– Hannes Ovrén
Aug 24 '18 at 9:31
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Difference Between Invoke and DynamicInvoke
...ou just know that it is Delegate, it has to resolve the parameters etc manually - this might involve unboxing, etc - a lot of reflection is going on. For example:
Delegate slowTwice = twice; // this is still the same delegate instance
object[] args = { i };
object result = slowTwice.DynamicInvoke(a...