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How do you implement a re-try-catch?
...spects (I'm a developer):
@RetryOnFailure(attempts = 3, delay = 5)
public String load(URL url) {
return url.openConnection().getContent();
}
You could also use @Loggable and @LogException annotations.
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Returning anonymous type in C#
...7 we can use tuples to accomplish this:
public List<(int SomeVariable, string AnotherVariable)> TheMethod(SomeParameter)
{
using (MyDC TheDC = new MyDC())
{
var TheQueryFromDB = (....
select new { SomeVariable = ....,
Another...
Get the current fragment object
...r.onAttachFragment(fragment);
Toast.makeText(getApplicationContext(), String.valueOf(fragment.getId()), Toast.LENGTH_SHORT).show();
}
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fol...
R: += (plus equals) and ++ (plus plus) equivalent from c++/c#/java, etc.?
...= question. In other languages += can be applied to immutable types (like strings in .net). The operation simply creates a new object and assigns the given variable to that new object. Immutability is maintained and the variable is updated.
– SFun28
Apr 21 '...
What .NET collection provides the fastest search
...st - I created a comparison between List<T> and HashSet<T> for strings. I found that HashSet was about 1000 times faster than List.
– Quango
Sep 5 '10 at 19:29
10
...
Rotating x axis labels in R for barplot
...is,
3:
always vertical.
Also supported by mtext. Note that string/character rotation via argument srt to par does not affect the axis labels.
That is why passing las=2 is the right answer.
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convert a list of objects from one type to another using lambda expression
....
List<char> c = new List<char>() { 'A', 'B', 'C' };
List<string> s = c.Select(x => x.ToString()).ToList();
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What is a covariant return type?
...ter Java5 welcome to covariant return type");
}
public static void main(String args[]){
new Two().get().message();
}
}
Before Java 5, it was not possible override any method
by changing the return type. But now, since Java5,
it is possible to override method by changing the return ...
How to get the url parameters using AngularJS
...
Also can get other arbitrary params in the query string form /view/1/2?other=12 with $routeParams.other
– DavidC
Aug 17 '14 at 21:04
...
How to crop an image using C#?
...
Here's a simple example on cropping an image
public Image Crop(string img, int width, int height, int x, int y)
{
try
{
Image image = Image.FromFile(img);
Bitmap bmp = new Bitmap(width, height, PixelFormat.Format24bppRgb);
bmp.SetResolution(80, 60);
...