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Retrieve a Fragment from a ViewPager
...ll no longer work.
What about this solution, overriding instantiateItem() and destroyItem() of your Fragment(State)PagerAdapter:
public class MyPagerAdapter extends FragmentStatePagerAdapter {
SparseArray<Fragment> registeredFragments = new SparseArray<Fragment>();
public MyPa...
What does “Memory allocated at compile time” really mean?
In programming languages like C and C++, people often refer to static and dynamic memory allocation. I understand the concept but the phrase "All memory was allocated (reserved) during compile time" always confuses me.
...
handle textview link click in my android app
...er in which I solved my particular problem. Since I wanted the link to be handled by my own app, there is a solution that is a bit simpler.
Besides the default intent filter, I simply let my target activity listen to ACTION_VIEW intents, and specifically, those with the scheme com.package.name
<...
Int or Number DataType for DataAnnotation validation attribute
...ecimal), "0", "9999.99", ErrorMessage = "Value for {0} must be between {1} and {2}")] throw an exception. However, if I do [Range(typeof(decimal), "0.1", "9999.99", ErrorMessage = "Value for {0} must be between {1} and {2}")] , the error message will work correctly. 0 vs 0.1 , makes no sense. bug ma...
Is there a string math evaluator in .NET?
...gests the builtin DataTable.Compute-"trick". Here it is.
double result = Convert.ToDouble(new DataTable().Compute("1 + 2 * 7", null));
The following arithmetic operators are supported in expressions:
+ (addition)
- (subtraction)
* (multiplication)
/ (division)
% (modulus)
More informations: D...
snprintf and Visual Studio 2010
I'm unfortunate enough to be stuck using VS 2010 for a project, and noticed the following code still doesn't build using the non-standards compliant compiler:
...
Java: int array initializes with nonzero elements
... with a situation where it is not. Such a behavior occurs first in JDK 7u4 and also occurs in all later updates (I use 64-bit implementation). The following code throws exception:
...
#define macro for debug printing in C?
...on:
#ifdef DEBUG
#define DEBUG_TEST 1
#else
#define DEBUG_TEST 0
#endif
And then use DEBUG_TEST where I used DEBUG.
If you insist on a string literal for the format string (probably a good idea anyway), you can also introduce things like __FILE__, __LINE__ and __func__ into the output, which can...
Why can I type alias functions and use them without casting?
...
Turns out, this is a misunderstanding that I had about how Go dealt with types, which can be resolved by reading the relevant part of the spec:
http://golang.org/ref/spec#Type_identity
The relevant distinction that I was unaware of was that of named and ...
VBA - how to conditionally skip a for loop iteration
...er an array. What I want to do is test for a certain condition in the loop and skip to the next iteration if true:
6 Answer...