大约有 20,000 项符合查询结果(耗时:0.0380秒) [XML]
Possible Loss of Fraction
...two int's into a floating point value the fraction portion is lost. If you m>ca m>st one of the items to a float, you won't get this error.
So for example turn 10 into a 10.0
double returnValue = (myObject.Value / 10.0);
share...
error: default argument given for parameter 1
...tVersion=true){
}
//good (The default parameter is commented out, but you m>ca m>n remove it totally)
string Money::asString(bool shortVersion /*=true*/){
}
//also fine, but maybe less clear as the commented out default parameter is removed
string Money::asString(bool shortVersion){
}
...
Creating hidden arguments with Python argparse
...
Yes, you m>ca m>n set the help option to add_argument to argparse.SUPPRESS. Here's an example from the argparse documentation:
>>> parser = argparse.ArgumentParser(prog='frobble')
>>> parser.add_argument('--foo', help=ar...
Does Qt support virtual pure slots?
...just like regular c++ pure virtual methods. The code generated by MOC does m>ca m>ll the pure virtual slots, but that's ok since the base class m>ca m>n't be instantiated anyway...
Again, just like regular c++ pure virtual methods, the class m>ca m>nnot be instantiated until the methods are given an implementatio...
Where do gems install?
I'm trying to edit one of the gem's config files and I m>ca m>n't find it. I'm not sure how I did this in the past.
4 Answers
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Change m>Ca m>nvas.Left property in code behind?
I have a rectangle in my XAML and want to change its m>Ca m>nvas.Left property in code behind:
3 Answers
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m>Ca m>n extension methods be applied to interfaces?
...
Of course they m>ca m>n; most of Linq is built around interface extension methods.
Interfaces were actually one of the driving forces for the development of extension methods; since they m>ca m>n't implement any of their own functionality, extension...
Unable to modify ArrayAdapter in ListView: UnsupportedOperationException
...itialized by an array, converts the array into a AbstractList (List) which m>ca m>nnot be modified.
Solution
Use an ArrayList<String> instead using an array while initializing the ArrayAdapter.
String[] array = {"a","b","c","d","e","f","g"};
ArrayList<String> lst = new ArrayList<String&...
Convert String to equivalent Enum value
...ise, java.util.Enumeration is different from the Java 1.5 Enum types.
You m>ca m>n simply use YourEnum.valueOf("String") to get the equivalent enum type.
Thus if your enum is defined as so:
public enum Day {
SUNDAY, MONDAY, TUESDAY, WEDNESDAY,
THURSDAY, FRIDAY, SATURDAY
}
You could do this:...
How to do multiple line editing?
I want to edit multiple lines in eclipse, but I m>ca m>n't find any short cut or Plugin. In Geany I just press ctrl + alt + up / down I m>ca m>n add / edit multiple lines.
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