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How to create a fixed-size array of objects
...de?](repeatElement(nil,
count: 64))
Converting an array of optionals into an array of objects (collapsing [SKSpriteNode?] into [SKSpriteNode]):
let flatSprites = optionalSprites.flatMap { $0 }
The count of the resulting flatSprites depends on the count of ob...
JSON formatter in C#?
... and call SerializeObject with the Formatting.Indented enum -
var x = JsonConvert.SerializeObject(jsonString, Formatting.Indented);
Documentation: Serialize an Object
Update -
Just tried it again. Pretty sure this used to work - perhaps it changed in a subsequent version or perhaps i'm just ...
Preserving signatures of decorated functions
...ritten a decorator that does something very generic. For example, it might convert all arguments to a specific type, perform logging, implement memoization, etc.
...
How do I find the time difference between two datetime objects in python?
...r so pause
>>> d2 - d1
datetime.timedelta(0, 5, 203000)
You can convert dd.days, dd.seconds and dd.microseconds to minutes.
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How do I format a Microsoft JSON date?
...s JSON has a loose DateTime implementation, you need to use the IsoDateTimeConverter(). Note that since Json.NET 4.5 the default date format is ISO so the code below isn't needed.
string jsonText = JsonConvert.SerializeObject(p, new IsoDateTimeConverter());
The JSON will come through as
"fieldNa...
SQL Server SELECT into existing table
...(SELECT DISTINCT
SUBSTRING(
(
SELECT ', table1.' + SYSCOL1.name AS [text()]
FROM sys.columns SYSCOL1
WHERE SYSCOL1.object_id = SYSCOL2.object_id and SYSCOL1.is_identity <> 1
ORDER BY SYSCOL1.object_id
FOR XML PATH ('')
...
Real world use cases of bitwise operators [closed]
...
Modern optimizers will convert expressions like (value% 2) != 0 automatically to the above expressions. godbolt.org/z/mYEBH4
– Ferrarezi
Dec 14 '19 at 16:29
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Create instance of generic type whose constructor requires a parameter?
...u already have a constructed enumerable of parameters should you bother to convert it to object[] and pass that to CreateInstance.
– ErikE
Aug 4 '15 at 16:36
2
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Why use static_cast(x) instead of (int)x?
... = static_cast<CMyOtherStuff*>(pSomething); // Compiler error: Can't convert
pOther = (CMyOtherStuff*)(pSomething); // No compiler error.
// Same as reinterpret_cast<>
// and i...
How to open, read, and write from serial port in C?
...al port. I have a USB device in Linux that uses the FTDI USB serial device converter driver. When I plug it in, it creates: /dev/ttyUSB1.
...