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Getting “bytes.Buffer does not implement io.Writer” error message
...
Pass a pointer to the buffer, instead of the buffer itself:
import "bufio"
import "bytes"
func main() {
var b bytes.Buffer
foo := bufio.NewWriter(&b)
}
...
What are the differences between JSON and JavaScript object? [duplicate]
...erialize/deserialize .NET objects.
So it's just a format allowing you to convert from objects to string and back which is convenient if you want to transfer them over the wire.
It is very close to javascript object representation and if you simply eval() a JSON string you will get the correspondi...
In Java, how do I call a base class's method from the overriding method in a derived class?
...
class test
{
void message()
{
System.out.println("super class");
}
}
class demo extends test
{
int z;
demo(int y)
{
super.message();
z=y;
System.out.println("re:"+z);
}
}
class free{
public static void main(String ar[])...
Java split() method strips empty strings at the end? [duplicate]
...er is an empty space character " " ? Eg: String s = "a "; public static int lengthOfLastWord(String s) { int l = 0; for(String eachWord : s.split("\\s+", -1)){ if(!eachWord.equals(" ")){ l = eachWord.length(); System.out.println("'" + eachWord + "'"); ...
“Parameter” vs “Argument” [duplicate]
...sion used when calling the method.
Consider the following code:
void Foo(int i, float f)
{
// Do things
}
void Bar()
{
int anInt = 1;
Foo(anInt, 2.0);
}
Here i and f are the parameters, and anInt and 2.0 are the arguments.
...
Create boolean column in MySQL with false as default value?
... mybool boolean not null default 0
);
FYI: boolean is an alias for tinyint(1).
Here is the proof:
mysql> create table mytable (
-> mybool boolean not null default 0
-> );
Query OK, 0 rows affected (0.35 sec)
mysql> insert into mytable () values ();
Query OK, 1...
How to initialize array to 0 in C?
... Please refer to: The initialized 0 is not a character. it is a integer.
– Yonggoo Noh
May 4 '16 at 4:43
...
Order a List (C#) by many fields? [duplicate]
...'t have to be IComparable
aListOfObjects.Sort((x, y) =>
{
int result = x.A.CompareTo(y.A);
return result != 0 ? result : x.B.CompareTo(y.B);
});
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improve this answ...
What does `unsigned` in MySQL mean and when to use it?
...
MySQL says:
All integer types can have an optional
(nonstandard) attribute UNSIGNED.
Unsigned type can be used to permit
only nonnegative numbers in a column
or when you need a larger upper
numeric range for the column. For
examp...
Extract every nth element of a vector
...
It is better to use seq.int(1L, length(a), 6L), at least for long vectors
– Wojciech Sobala
Mar 8 '11 at 20:45
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