大约有 2,670 项符合查询结果（耗时：0.0158秒） [XML]
Execute a terminal command from a Cocoa app
...should always be an NSString.
So, as long as it's not nil, the result can cast as a Swift String and returned.
If for some reason no NSString at all can be initialized from the file data, the function returns an error message. The function could have been written to return an optional String?, but...
How to define optional methods in Swift protocol?
...xtension to disallow conforming types to customize unless you specifically cast down to its dynamicType to show you want the conformer's custom implementation.
– matthias
Oct 1 '15 at 9:54
...
How and where are Annotations used in Java?
...s:
Class instance creation expression:
new @Interned MyObject();
Type cast:
myString = (@NonNull String) str;
implements clause:
class UnmodifiableList implements
@Readonly List<@Readonly T> { ... }
Thrown exception declaration:
void monitorTemperature() throws
@C...
How to load JAR files dynamically at Runtime?
...ustom loader.
To add jars just call ClassLoader.getSystemClassLoader() and cast it to your class.
Check out this implementation for a carefully crafted classloader. Please note, you can change the add() method to public.
sha...
How can I pass a constant value for 1 binding in multi-binding?
...Converter, the parameters are passed as object, which means you would need cast the value to the correct type, in a safe way. IValueConverter.Convert
– benPearce
Jun 14 '18 at 1:32
...
How to resize an Image C#
...structor to create a re-sized image, the only thing you were missing was a cast back to the Image data type:
public static Image resizeImage(Image imgToResize, Size size)
{
return (Image)(new Bitmap(imgToResize, size));
}
yourImage = resizeImage(yourImage, new Size(50,50));
...
How do I use Linq to obtain a unique list of properties from a list of objects?
...
When taking Distinct we have to cast into IEnumerable too. If list is model means, need to write code like this
IEnumerable<T> ids = list.Select(x => x).Distinct();
sha...
Does Python's time.time() return the local or UTC timestamp?
...
Based on the answer from #squiguy, to get a true timestamp I would type cast it from float.
>>> import time
>>> ts = int(time.time())
>>> print(ts)
1389177318
At least that's the concept.
sh...
Is there a difference between single and double quotes in Java?
...
For me, apostrophes literal automatically casted to int in such contexts. So it doesn't need to be char. Deservin' some downvotes... simplistic.
– Hydroper
Aug 23 '17 at 15:16
...
How to convert a column number (e.g. 127) into an Excel column (e.g. AA)
...cularly, you don't have to use the modulo, call ToString() and apply (int) cast. Considering that in most cases in C# world you would start numbering from 0, here is my revision: <!-- language: c# --> public static string GetColumnName(int index) // zero-based { const byte BASE = 'Z' ...