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Ruby on Rails: How do you add add zeros in front of a number if it's under 10?
I'm looking to convert single digit numbers to two-digit numbers like so:
4 Answers
4
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How can I make a WPF combo box have the width of its widest element in XAML?
...inForms AutoSizeMode=GrowOnly.
The way I did this was with a custom value converter:
public class GrowConverter : IValueConverter
{
public double Minimum
{
get;
set;
}
public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
{...
How can I pass a member function where a free function is expected?
...
There isn't anything wrong with using function pointers. However, pointers to non-static member functions are not like normal function pointers: member functions need to be called on an object which is passed as an implicit argument to the function. The signature of your me...
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...
What is the difference between “long”, “long long”, “long int”, and “long long int” in C++?
...++ and have some questions about the long data type. In Java, to hold an integer greater than 2 32 , you would simply write long x; . However, in C++, it seems that long is both a data type and a modifier.
...
What is the difference between an int and an Integer in Java and C#?
...g about a particular type of programmer knowing the difference between an int and an Integer in Java/C# (Object-Oriented Programming Languages).
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What is the size of column of int(11) in mysql in bytes?
What is the size of column of int(11) in mysql in bytes?
11 Answers
11
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【精心整理】【实用】visual C++中最常用的类与API函数 - C/C++ - 清泛网 -...
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CPen类：封装了Windows图形设备接口(GDI)中的画笔对象
CPoint类：操作CPoint和POINT结构
CRect类：封装了一个矩形区域及相关操作
CRgn类：封装用于操作窗口中的椭圆、多边形或者不规则区域的GDI区域
CSize类：用于表示相对坐标...
What is the difference between char * const and const char *?
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The difference is that const char * is a pointer to a const char, while char * const is a constant pointer to a char.
The first, the value being pointed to can't be changed but the pointer can be. The second, the value being pointed at can change but the pointer can...
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)
...