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How to get the screen width and height in iOS?
...sted is that you're counting on the view size to match that of the screen, and as you've seen that's not always the case. If you need the screen size, you should look at the object that represents the screen itself, like this:
CGRect screenRect = [[UIScreen mainScreen] bounds];
CGFloat screenWidth ...
What is the difference between SessionState and ViewState?
What is the difference between SessionState and ViewState in ASP.NET?
5 Answers
5
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What does the arrow operator, '->', do in Java?
...ssions is
(Parameters) -> { Body } where the -> separates parameters and lambda expression body.
The parameters are enclosed in parentheses which is the same way as for methods and the lambda expression body is a block of code enclosed in braces.
...
Extract directory from path
... do that? dirname yields relative path I guess
– Alexander Mills
Oct 19 '18 at 6:55
It is outstanding how difficult th...
Change the name of a key in dictionary
...that this would also affect the position of the key in CPython 3.6+ / Pypy and Python 3.7+. That is in general the position of old_key will be different from the position of new_key.
– norok2
Jan 24 at 20:16
...
How do you extract a column from a multi-dimensional array?
...A[:,2] # returns the third columm
array([3, 7])
See also: "numpy.arange" and "reshape" to allocate memory
Example: (Allocating a array with shaping of matrix (3x4))
nrows = 3
ncols = 4
my_array = numpy.arange(nrows*ncols, dtype='double')
my_array = my_array.reshape(nrows, ncols)
...
Java synchronized method lock on object, or method?
...s, you have synchronize on them separately in synchronized () blocks. If a and b were object references you would use:
public void addA() {
synchronized( a ) {
a++;
}
}
public void addB() {
synchronized( b ) {
b++;
}
}
But since they're primitives you can't do thi...
How to know which version of Symfony I have?
I know that I have downloaded a Symfony2 project and started with but I have updated my vendor several times and I want to know which version of symfony I have
...
Why use JUnit for testing?
Maybe my question is a newbie one, but I can not really understand the circumstances under which I would use junit ?
11 An...
Image Processing: Algorithm Improvement for 'Coca-Cola Can' Recognition
... sample below, with the can recognized in the green rectangle with scale and rotation.
23 Answers
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