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C++ performance challenge: integer to std::string conversion
... val /= 10;
}
return s;
}
This will blow up on systems that disallow unaligned memory accesses (in which case, the first unaligned assignment via *(short*) would cause a segfault), but should work very nicely otherwise.
One important thing to do is to minimize the use of std::string. (I...
How to make a class conform to a protocol in Swift?
...aSource'
Is expected. You will get the error until your class implements all required methods of the protocol.
So get coding :)
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How can I change UIButton title color?
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With Swift 5, UIButton has a setTitleColor(_:for:) method. setTitleColor(_:for:) has the following declaration:
Sets the color of the title to use for the specified state.
func setTitleColor(_ color: UIColor?, for state: UIControlState)
The following Playgro...
Is there a cross-browser onload event when clicking the back button?
For all major browsers (except IE), the JavaScript onload event doesn’t fire when the page loads as a result of a back button operation — it only fires when the page is first loaded.
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Strange out of memory issue while loading an image to a Bitmap object
...te decode method based on your image data source. These methods attempt to allocate memory for the constructed bitmap and therefore can easily result in an OutOfMemory exception. Each type of decode method has additional signatures that let you specify decoding options via the BitmapFactory.Options ...
Open-sided Android stroke?
... distance of 1px instead of 1dp. This will make the line always visible at all densities. The best solution would be to create dimension resources for each density, to get the best size for each device.
Edit 2
Fun, but I tried to use this 6 years later and I can't get a good result on Lollipop dev...
What is the recommended way to delete a large number of items from DynamoDB?
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What I ideally want to do is call LogTable.DeleteItem(user_id) -
Without supplying the range, and have it delete everything for me.
An understandable request indeed; I can imagine advanced operations like these might get added over...
Converting JavaScript object with numeric keys into array
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It's actually very straight forward with jQuery's $.map
var arr = $.map(obj, function(el) { return el });
FIDDLE
and almost as easy without jQuery as well, converting the keys to an array and then mapping back the values with Arra...
Naming convention for unique constraint
...primary key and foreign key have commonly used and obvious conventions ( PK_Table and FK_Table_ReferencedTable , respectively). The IX_Table_Column naming for indexes is also fairly standard.
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How do you disable browser Autocomplete on web form field / input tag?
...t it both on the form, AND on the input element itself. That way you cover all the nonstandardness of browsers.
– AviD
Dec 13 '10 at 12:11
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