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Iterating over Java collections in Scala
...e to use the iterator in a for each style loop, so I have been trying to convert it to a native Scala collection but will no luck.
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Random shuffling of an array
... feel free to use it. Make sure you import the required class and you have converted the array to a list with Arrays.asList. You have to convert the resulting list to an array, too
– KitKat
Jun 9 '18 at 16:50
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ObjectiveC Parse Integer from String
...eger) from an array and then use it as an int in a function. I'm trying to convert it to a int using intValue.
6 Answers
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What exactly is nullptr?
...a null pointer constant, and that an integral null pointer constant can be converted to std::nullptr_t. The opposite direction is not allowed. This allows overloading a function for both pointers and integers, and passing nullptr to select the pointer version. Passing NULL or 0 would confusingly sel...
Double Negation in C++
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It's a trick to convert to bool.
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PadLeft function in T-SQL
... trick.
If your id or column is in a varchar and represents a number you convert first:
SELECT FORMAT(CONVERT(INT,id), '0000') FROM TableA
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How do I check if a C++ std::string starts with a certain string, and convert a substring to an int?
How do I implement the following (Python pseudocode) in C++?
21 Answers
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Pass an array of integers to ASP.NET Web API?
...s TimeSpan, DateTime, Guid, decimal, and string, plus any type with a type converter that can convert from a string." an int[] is not a simple type.
– Tr1stan
Aug 6 '15 at 13:03
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What is the easiest/best/most correct way to iterate through the characters of a string in Java?
StringTokenizer ? Convert the String to a char[] and iterate over that? Something else?
15 Answers
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How to TryParse for Enum value?
...rts enum marked with the Flags attribute.
/// <summary>
/// Converts the string representation of an enum to its Enum equivalent value. A return value indicates whether the operation succeeded.
/// This method does not rely on Enum.Parse and therefore will never raise any first or...