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How do you do Impersonation in .NET?
... That link from the Dutch programmer's blog was excellent. Much more intuitive approach to impersonation than the other techniques presented.
– code4life
Aug 22 '16 at 23:26
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What is meant by immutable?
...pert wrote a blog article about this. Basically you can have objects whose interface is immutable but behind the scenes actual mutables private state (and therefore can't be shared safely between threads).
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When are you truly forced to use UUID as part of the design?
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@Chamnap I wrote UUIDTools. UUIDs can be converted to an integer or their raw byte form, and would be substantially smaller as a binary.
– Bob Aman
Jun 10 '12 at 14:21
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A monad is just a monoid in the category of endofunctors, what's the problem?
... = μ ∘ ηT = 1 (the identity natural transformation)
With a bit of squinting you might be able to see that both of these definitions are instances of the same abstract concept.
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ctypes - Beginner
I have the task of "wrapping" a c library into a python class. The docs are incredibly vague on this matter. It seems they expect only advanced python users would implement ctypes. Well i'm a beginner in python and need help.
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C state-machine design [closed]
...function that returns the new state, something like:
typedef struct {
int st;
int ev;
int (*fn)(void);
} tTransition;
Then you define your states and events with simple defines (the ANY ones are special markers, see below):
#define ST_ANY -1
#define ST_INIT ...
How Pony (ORM) does its tricks?
Pony ORM does the nice trick of converting a generator expression into SQL. Example:
1 Answer
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Show a number to two decimal places
... course not show it to 2 decimal places. For the OP's purpose - showing an integer to 2 decimal places by padding it with trailing zeroes - you need a number formatting function, not a rounding function.
– Mark Amery
Mar 16 '14 at 21:38
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Unique constraint on multiple columns
How do I add a unique constraint for columns fcode, scode, dcode with t-sql and/or management studio ? fcode, scode, dcode must be unique together.
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How to dismiss the dialog with click on outside of the dialog?
...on type. if the action type is
'MotionEvent.ACTION_OUTSIDE' means, user is interacting outside the dialog region. So in this case, you can dimiss your dialog or decide what you wanted to perform.
view plainprint?
public boolean onTouchEvent(MotionEvent event)
{
if(event.getAction() == M...