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In Typescript, How to check if a string is Numeric
...isNumeric(val: any): val is number | string {
// parseFloat NaNs numeric-cast false positives (null|true|false|"")
// ...but misinterprets leading-number strings, particularly hex literals ("0x...")
// subtraction forces infinities to NaN
// adding 1 corrects loss of precision from parseFloa...
Disable a Button
...
It's not required for it to work. You can type cast the button in the IBAction and change the enabled status or if you have it set up as an IBOutlet you can do it using the .notation on the outlet. Both ways work.
– Krivvenz
Mar 7 '1...
Converting String to “Character” array in Java
...look at codePoints())
map each 'character' value to Character (you need to cast to actually say that its really a char, and then Java will box it automatically to Character)
get the resulting array by calling toArray()
shar...
Accessing @attribute from SimpleXML
...LElement object so print_rand var_dump will give you weird things. You can cast it as a string (or whatever you like) to get around this.
– jxmallett
Apr 16 '14 at 0:39
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Convert decimal to binary in python [duplicate]
...nasterling's answer. However, if you want a non-binary string that you can cast into an int, then you can use the canonical algorithm:
def decToBin(n):
if n==0: return ''
else:
return decToBin(n/2) + str(n%2)
...
How to get a Static property with Reflection
...ssing in an instance
object value = propertyInfo.GetValue(null, null);
// Cast the value to the desired type
ExpectedType typedValue = (ExpectedType) value;
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How can I convert a dictionary into a list of tuples?
... items() returns a dict_keys view in python3. Wrap this call with a cast to a list "list()". See @SilentGhost's reply
– Erich
Jul 11 '17 at 22:37
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Remove last character from string. Swift language
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In Swift 2.0 for have to properly cast the result expression = String(expression.characters.dropLast()) if you want it back as a String
– cromanelli
Sep 18 '15 at 18:57
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How to ignore deprecation warnings in Python
...onWarning as an argument to Python. Better though to resolve the issue, by casting to int.
(Note that in Python 3.2, deprecation warnings are ignored by default.)
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Total number of items defined in an enum
... be computed as follows.
var valuesCount = Enum.GetValues(typeof(MyEnum)).Cast<MyEnum>().Distinct().Count();
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