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Safe (bounds-checked) array lookup in Swift, through optional bindings?
If I have an array in Swift, and try to access an index that is out of bounds, there is an unsurprising runtime error:
19 A...
Loading/Downloading image from URL on Swift
...d an image from a URL in my application, so I first tried with Objective-C and it worked, however, with Swift, I've a compilation error:
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Changing navigation bar color in Swift
...r?.tabBar.tintColor = UIColor.yellow
On the last two, replace brownColor and yellowColor with the color of your choice.
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Serializing with Jackson (JSON) - getting “No serializer found”?
...Visibility(PropertyAccessor.FIELD, Visibility.ANY);
For more information and details on related configuration options, I recommend reviewing the JavaDocs on ObjectMapper.setVisibility().
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What does tree-ish mean in Git?
...ately leads to a (sub)directory
tree (Git refers to directories as "trees" and "tree objects").
In the original poster's case, foo is a directory that he wants to
specify. The correct way to specify a (sub)directory in Git is to use this
"tree-ish" syntax (item #15 from the Git revisions documentat...
Return empty cell from formula in Excel
...A, then. You'll iterate over the cells in your range, test the condition, and delete the contents if they match.
Something like:
For Each cell in SomeRange
If (cell.value = SomeTest) Then cell.ClearContents
Next
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SVG get text element width
I'm working on some ECMAScript/JavaScript for an SVG file and need to get the width and height of a text element so I can resize a rectangle that surrounds it. In HTML I would be able to use the offsetWidth and offsetHeight attributes on the element but it appears that those properties are...
Can ordered list produce result that looks like 1.1, 1.2, 1.3 (instead of just 1, 2, 3, …) with css?
...t;
</ol>
</li>
</ol>
See Nested counters and scope for more information.
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'const int' vs. 'int const' as function parameters in C++ and C
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const T and T const are identical. With pointer types it becomes more complicated:
const char* is a pointer to a constant char
char const* is a pointer to a constant char
char* const is a constant pointer to a (mutable) char
In o...
jQuery: more than one handler for same event
What happens if I bind two event handlers to the same event for the same element?
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