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Separating class code into a header and cpp file
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So this means that all files that include your header file will "see" the private members. If for example you want to publish a lib and its header, you have to show the private members of the class?
– Gauthier
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How to create a GUID/UUID using iOS
...tring = CFUUIDCreateString(NULL, theUUID);
CFRelease(theUUID);
return (__bridge NSString *)string;
}
EDIT: Jan, 29 2014:
If you're targeting iOS 6 or later, you can now use the much simpler method:
NSString *UUID = [[NSUUID UUID] UUIDString];
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iOS JavaScript bridge
...t's something simple enough that you might give it a try yourself. I personally did exactly this when I needed to do that. You might also create a simple library that suits your needs.
1. Execute JS methods from Objective-C
This is really just one line of code.
NSString *returnvalue = [webView st...
Which is the correct C# infinite loop, for (;;) or while (true)? [closed]
...ve used and what I've seen others use for a loop that has to be broken manually.
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Property getters and setters
...g to backup the computed property. Try this:
class Point {
private var _x: Int = 0 // _x -> backingX
var x: Int {
set { _x = 2 * newValue }
get { return _x / 2 }
}
}
Specifically, in the Swift REPL:
15> var pt = Point()
pt: Point = {
_x = 0
}
16> pt.x = 10...
PostgreSQL: Modify OWNER on all tables simultaneously in PostgreSQL
How do I modify the owner of all tables in a PostgreSQL database?
20 Answers
20
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How to remove stop words using nltk or python
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Note: this converts the sentence to a SET which removes all the duplicate words and therefore you will not be able to use frequency counting on the result
– David Dehghan
Feb 21 '17 at 23:59
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Unique fields that allow nulls in Django
...pty string by providing your own customized model form for Foo with a clean_bar method that turns the empty string into None:
class FooForm(forms.ModelForm):
class Meta:
model = Foo
def clean_bar(self):
return self.cleaned_data['bar'] or None
class FooAdmin(admin.ModelAdmin...
Substitute multiple whitespace with single whitespace in Python [duplicate]
...ce characters that are combined.
To match unicode whitespace:
import re
_RE_COMBINE_WHITESPACE = re.compile(r"\s+")
my_str = _RE_COMBINE_WHITESPACE.sub(" ", my_str).strip()
To match ASCII whitespace only:
import re
_RE_COMBINE_WHITESPACE = re.compile(r"(?a:\s+)")
_RE_STRIP_WHITESPACE = re.co...
OpenCV C++/Obj-C: Detecting a sheet of paper / Square Detection
...e I was unable to find a relevant implementation I decided to accept the challenge.
I made some modifications to the squares demo present in OpenCV and the resulting C++ code below is able to detect a sheet of paper in the image:
void find_squares(Mat& image, vector<vector<Point> >...