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make arrayList.toArray() return more specific types
...lass[myList.size()])?
If your list is not properly typed you need to do a cast before calling toArray. Like this:
List l = new ArrayList<String>();
String[] a = ((List<String>)l).toArray(new String[l.size()]);
...
Filtering a list of strings based on contents
...abc']
In Python 3, it returns an iterator instead of a list, but you can cast it:
>>> list(filter(lambda k: 'ab' in k, lst))
['ab', 'abc']
Though it's better practice to use a comprehension.
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Null coalescing in powershell
...e unwanted whitespace round it:
$name = ([string]$row.td[0]).Trim()
The cast to string protects against the element being null and prevents any risk of Trim() failing.
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dispatch_after - GCD in Swift?
...e was slightly wrong. Implicit typing causes a compile error if you don't cast NSEC_PER_SEC to a Double.
If anyone can suggest a more optimal solution I'd be keen to hear it.
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SQL to determine minimum sequential days of access?
...I just didn't worry about it doing it here. It wouldn't be any faster than casting it to an int, but does have the flexibility to count hours, months, whatever.
– Rob Farley
Jul 24 '09 at 23:13
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Using the Android Application class to persist data
...at class wherever i needed by giving it the getApplicationContext() with a cast to this class
– Ziv Kesten
Jul 28 '14 at 6:57
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What is the best method to merge two PHP objects?
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I understand that using the generic objects [stdClass()] and casting them as arrays answers the question, but I thought the Compositor was a great answer. Yet I felt it could use some feature enhancements and might be useful for someone else.
Features:
Specify reference or clone
S...
How to easily map c++ enums to strings
...(temp.str()); \
os << enumName << "::" << strings[static_cast<int>(value)]; \
return os;}
To use it in your code, simply do:
AWESOME_MAKE_ENUM(Animal,
DOG,
CAT,
HORSE
);
auto dog = Animal::DOG;
std::cout<<dog;
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PHP - Merging two arrays into one array (also Remove Duplicates)
...hird argument. If it is not a string, or the contents cannot be implicitly cast to a string, you will need the SORT_REGULAR argument.
– David Baucum
Aug 19 '16 at 19:33
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How to convert a string to integer in C?
... @chux thanks! Can you explain a bit more why the (unsigned char) cast could make a difference?
– Ciro Santilli 郝海东冠状病六四事件法轮功
May 30 '16 at 13:00
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