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How should I print types like off_t and size_t?
...ee that ssize_t has the same size as size_t, so truly portable code should convert it to intmax_t and print with %jd just like off_t.
– nwellnhof
Sep 30 '17 at 15:11
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dynamic_cast and static_cast in C++
... a class Base of which there is a derived class Derived, dynamic_cast will convert a Base pointer to a Derived pointer if and only if the actual object pointed at is in fact a Derived object.
class Base { virtual ~Base() {} };
class Derived : public Base {};
class Derived2 : public Base {};
class R...
Simple 'if' or logic statement in Python [closed]
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If key isn't an int or float but a string, you need to convert it to an int first by doing
key = int(key)
or to a float by doing
key = float(key)
Otherwise, what you have in your question should work, but
if (key < 1) or (key > 34):
or
if not (1 <= key <= 34...
Listing all permutations of a string/integer
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Here I have found the solution. It was written in Java, but I have converted it to C#. I hope it will help you.
Here's the code in C#:
static void Main(string[] args)
{
string str = "ABC";
char[] charArry = str.ToCharArray();
Permute(charArry, 0, 2);
Console.ReadKey();
}
st...
Frequency table for a single variable
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Is there an easy way to convert these counts to proportions?
– dsaxton
Jul 31 '15 at 23:53
7
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What is the point of a private pure virtual function?
...e);
would call void SetState( int var, int val ) from the derived class, converting true to int.
If the interface is not virtual and the virtual implementation is non-public, like in your exmaple, the author of the derived class has one less problem to think about and can simply write
class MyTu...
Determine if map contains a value for a key?
... the map for a keyvalue that is '2'. IIRC the C++ compiler will implicitly convert '2' to an int, which results in the numeric value for the ASCII code for '2' which is not what you want.
Since your keytype in this example is int you want to search like this: m.find(2);
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android.content.res.Resources$NotFoundException: String resource ID #0x0
... it but it was not found, you wanted to set text so it should be string so convert integer into string by attaching .toStringe or String.valueOf(int) will solve your problem!
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Set selected index of an Android RadioGroup
...as R.id.radioButton1), and reduces the need to implement a lookup table to convert index to view id.
– Siavash
Feb 17 '15 at 3:51
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Getting a slice of keys from a map
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Is there a way to convert this to []string?
– Doron Behar
May 29 '19 at 15:13
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