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C# 'is' operator performance
... answered Mar 26 '09 at 16:09
Andrew HareAndrew Hare
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Protected in Interfaces
...but then you can make a fully abstract class, which is all interfaces are, and specify whatever access you want. Granted this loses the benefit of multiple implementations that interfaces get in Java, but honestly establishing a contract that adheres to limitations of some other package would be unt...
Undefined reference to static class member
...ion creates a scoped integer constant which you can't take the address of, and vector takes a reference param.
– Evan Teran
Nov 7 '08 at 18:08
10
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Python: TypeError: cannot concatenate 'str' and 'int' objects [duplicate]
...n assign the result of the str(c) call to c as correctly shown by @jamylak and then concatenate all of the strings, or you can replace the last print simply with this:
print "a + b as integers: ", c # note the comma here
in which case
str(c)
isn't necessary and can be deleted.
Output of sam...
How can I use numpy.correlate to do autocorrelation?
I need to do auto-correlation of a set of numbers, which as I understand it is just the correlation of the set with itself.
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How to read the RGB value of a given pixel in Python?
... be many different formats.
pix = im.load()
print im.size # Get the width and hight of the image for iterating over
print pix[x,y] # Get the RGBA Value of the a pixel of an image
pix[x,y] = value # Set the RGBA Value of the image (tuple)
im.save('alive_parrot.png') # Save the modified pixels as ...
Best JavaScript compressor [closed]
...t need any Node.js internals). It's a lot faster than both YUI Compressor and Google Closure, it compresses better than YUI on all scripts I tested it on, and it's safer than Closure (knows to deal with "eval" or "with").
Other than whitespace removal, UglifyJS also does the following:
changes l...
Should I use int or Int32
In C#, int and Int32 are the same thing, but I've read a number of times that int is preferred over Int32 with no reason given. Is there a reason, and should I care?
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java.lang.RuntimeException: Can't create handler inside thread that has not called Looper.prepare();
I have an Android app running a thread. I want a Toast message to show with a message.
7 Answers
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Should I always return IEnumerable instead of IList?
...t;T>:
IndexOf(T item)
Insert(int index, T item)
RemoveAt(int index)
and Properties:
T this[int index] { get; set; }
If you need these methods in any way, then by all means return IList<T>.
Also, if the method that consumes your IEnumerable<T> result is expecting an IList<T...