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What is a dependency property?
...is a dependency property in .Net (especially in WPF context). What is the difference from the regular property?
3 Answers
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When to use SELECT … FOR UPDATE?
...ffect of concurrency control, and you achieve the same results without specifying FOR UPDATE explicitly.
To solve this problem, Thread 1 should SELECT id FROM rooms FOR UPDATE, thereby preventing Thread 2 from deleting from rooms until Thread 1 is done. Is that correct?
This depends on the c...
Resetting generator object in Python
...p:
print(x)
This could be beneficial from memory usage point of view if the original iteration might not process all the items.
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Can a recursive function be inline?
...ing this , found that the above code would lead to "infinite compilation" if not handled by compiler correctly.
9 Answers
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How to calculate cumulative normal distribution?
...lies within two standard deviations, centered on a standard mean of zero.
If you need the inverse CDF:
>>> norm.ppf(norm.cdf(1.96))
array(1.9599999999999991)
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Using Position Relative/Absolute within a TD?
...elves (for example, it was unclear how should the borders of the td behave if it is shifted via position:relative in case of border-collapse:collapse). It didn't exclude them from possible containing blocks of the absolutely positioned descendants. So the behavior of Firefox turned out to be just a ...
Counting DISTINCT over multiple columns
...
If you are trying to improve performance, you could try creating a persisted computed column on either a hash or concatenated value of the two columns.
Once it is persisted, provided the column is deterministic and you are ...
Making your .NET language step correctly in the debugger
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I am an engineer on the Visual Studio Debugger team.
Correct me if I am wrong, but it sounds like the only issue left is that when switching from PDBs to the .NET 4 dynamic compile symbol format some breakpoints are being missed.
We would probably need a repro to exactly diagnose the iss...
python NameError: global name '__file__' is not defined
... shell when you C-c C-p? python-shell. Is there a way to use this shell as if it were a terminal running the file? There are 3 options for running the shell : CMD DEDICATED SHOW Would one of them do this?
– sinekonata
Jul 2 at 0:43
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Returning an array using C
...allocating ret)
char *foo(int count) {
char *ret = malloc(count);
if(!ret)
return NULL;
for(int i = 0; i < count; ++i)
ret[i] = i;
return ret;
}
Call it like so:
int main() {
char *p = foo(10);
if(p) {
// do stuff with p
free(p);
...