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Changing Font Size For UITableView Section Headers
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- (UIView *)tableView:(UITableView *)tableView viewForHeaderInSection:(NSInteger)section
In Swift:
func tableView(_ tableView: UITableView, viewForHeaderInSection section: Int) -> UIView?
Try something like this:
In Objective-C:
- (UIView *)tableView:(UITableView *)tableView viewForHeade...
How do you rotate a two dimensional array?
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Here it is in C#
int[,] array = new int[4,4] {
{ 1,2,3,4 },
{ 5,6,7,8 },
{ 9,0,1,2 },
{ 3,4,5,6 }
};
int[,] rotated = RotateMatrix(array, 4);
static int[,] RotateMatrix(int[,] matrix, int n) {
int[,] ret = new int[n, n];...
Get started with Latex on Linux [closed]
...to produce some output (as a .dvi file to start with, which is possible to convert to many other formats):
latex test.tex
This will print a bunch of output, something like this:
=> latex test.tex
This is pdfeTeX, Version 3.141592-1.21a-2.2 (Web2C 7.5.4)
entering extended mode
(./test.tex
LaTeX2...
Implementation difference between Aggregation and Composition in Java
... performs its functions through an Engine, but the Engine is not always an internal part of the Car. Engines may be swapped, or even completely removed. Not only that, but the outside world can still have a reference to the Engine, and tinker with it regardless of whether it's in the Car.
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Verifying a specific parameter with Moq
... is to use a callback on the Setup call to store the value that was passed into the mocked method, and then write standard Assert methods to validate it. For example:
// Arrange
MyObject saveObject;
mock.Setup(c => c.Method(It.IsAny<int>(), It.IsAny<MyObject>()))
.Callback<...
Collection was modified; enumeration operation may not execute
...omic operation. What's even funnier, ToList bascially does its own foreach internally to copy items into a new list instance, meaning you fixed a foreach problem by adding an additional (although quicker) foreach iteration.
– Groo
Jun 15 '15 at 13:26
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What's “requestCode” used for on PendingIntent?
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requestCode is used to retrieve the same pending intent instance later on (for cancelling, etc).
Yes, my guess is the alarms will override each other. I would keep the request codes unique.
share
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Conventions for exceptions or error codes
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Your fourth point is not a fair one: An error status when converted into an object, can also contain code to check whether the file exists, or is locked, etc. It's simply a variation of stackoverflow.com/a/3157182/632951
– Pacerier
Jul 25 '14 a...
Why aren't pointers initialized with NULL by default?
Can someone please explain why pointers aren't initialized to NULL ?
Example:
15 Answers
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error: request for member '..' in '..' which is of non-class type
...d" parameter so that this usage would have been allowed from consistency point of view. If I am not mistaken, K&R C had mandatory usage of term void.
– Rajesh
Jan 22 '18 at 5:08
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