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MySQL combine two columns into one column
...f the values to numbers. If a value does not start with a digit, then the converted value is 0.
So try this:
select concat(column1, column2)
Two ways to add a space:
select concat(column1, ' ', column2)
select concat_ws(' ', column1, column2)
...
Using JSON.NET as the default JSON serializer in ASP.NET MVC 3 - is it possible?
...l another form of SerializeObject below
var serializedObject = JsonConvert.SerializeObject(Data, Formatting.Indented);
response.Write(serializedObject);
}
EDIT 2: I removed the check for Data being null as per the suggestions below. That should make newer versions of JQuery hap...
How to make inline functions in C#
...ral syntaxes available.
Anonymous methods were added in C# 2.0:
Func<int, int, int> add = delegate(int x, int y)
{
return x + y;
};
Action<int> print = delegate(int x)
{
Console.WriteLine(x);
}
Action<int> helloWorld = delegate // parameters can be elided if ignored
{
...
Programmatically set left drawable in a TextView
...
You can use setCompoundDrawablesWithIntrinsicBounds(int left, int top, int right, int bottom)
set 0 where you don't want images
Example for Drawable on the left:
TextView textView = (TextView) findViewById(R.id.myTxtView);
textView.setCompoundDrawablesWithIntri...
Why would I make() or new()?
The introduction documents dedicate many paragraphs to explaining the difference between new() and make() , but in practice, you can create objects within local scope and return them.
...
What does this square bracket and parenthesis bracket notation mean [first1,last1)?
...ty as to the usage.
Example:
You want to generate random() colors. You convert three floating-point values to unsigned 8-bit values to generate a 24-bit pixel with red, green, and blue channels respectively. Depending on the interval output by random() you may end up with near-white (254,254,254...
Initializing a two dimensional std::vector
...ccepts an initial size and a default value:
std::vector<std::vector<int> > fog(
A_NUMBER,
std::vector<int>(OTHER_NUMBER)); // Defaults to zero initial value
If a value other than zero, say 4 for example, was required to be the default then:
std::vector<std::vector<...
Why is the asterisk before the variable name, rather than after the type?
...
They are EXACTLY equivalent.
However, in
int *myVariable, myVariable2;
It seems obvious that myVariable has type int*, while myVariable2 has type int.
In
int* myVariable, myVariable2;
it may seem obvious that both are of type int*, but that is not correct as my...
How to set a bitmap from resource
...
I got the issue. I was trying to convert vector drawable into bitmap. So here is the cod to convert vector drawable into bitmap.
– Er.Rohit Sharma
Mar 20 '18 at 12:12
...
Can I call a base class's virtual function if I'm overriding it?
...
The C++ syntax is like this:
class Bar : public Foo {
// ...
void printStuff() {
Foo::printStuff(); // calls base class' function
}
};
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