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C# generic type constraint for everything nullable
...unacceptable, but just in case:
public class Foo<T>
{
private T item;
public Foo()
{
var type = typeof(T);
if (Nullable.GetUnderlyingType(type) != null)
return;
if (type.IsClass)
return;
throw new InvalidOperationExceptio...
Sending data back to the Main Activity in Android
I have two activities: main activity and child activity.
When I press a button in the main activity, the child activity is launched.
...
How do I concatenate two strings in C?
...cat to concatenate two strings. You could use the following function to do it:
#include <stdlib.h>
#include <string.h>
char* concat(const char *s1, const char *s2)
{
char *result = malloc(strlen(s1) + strlen(s2) + 1); // +1 for the null-terminator
// in real code you would chec...
WiX tricks and tips
We've been using WiX for a while now, and despite the usual gripes about ease of use, it's going reasonably well. What I'm looking for is useful advice regarding:
...
What does it mean when MySQL is in the state “Sending data”?
What does it mean if the Mysql query:
2 Answers
2
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UnicodeDecodeError, invalid continuation byte
Why is the below item failing? Why does it succeed with "latin-1" codec?
10 Answers
10...
How to remove a field completely from a MongoDB document?
...ely from all the documents in this collection? I want all documents to be without " words ":
14 Answers
...
Sorting a vector in descending order
...
Actually, the first one is a bad idea. Use either the second one, or this:
struct greater
{
template<class T>
bool operator()(T const &a, T const &b) const { return a > b; }
};
std::sort(numbers.begin(), numbers.end(), greater());
That way ...
Git fast forward VS no fast forward merge
Git merge allow us to perform fast forward and no fast fast forward branch merging. Any ideas when to use fast forward merge and when to use no fast forward merge?
...
Table is marked as crashed and should be repaired
...follow
|
edited Jun 8 '16 at 1:21
John
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