大约有 16,000 项符合查询结果(耗时:0.0323秒) [XML]
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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Cocoa Core Data efficient way to count entities
...t subentities. Default is YES (i.e. include subentities)
NSError *err;
NSUInteger count = [moc countForFetchRequest:request error:&err];
if(count == NSNotFound) {
//Handle error
}
[request release];
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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 ...
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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Why does this (null || !TryParse) conditional result in “use of unassigned local variable”?
...itialized.
Here's a minimal repro:
class Program
{
static bool M(out int x)
{
x = 123;
return true;
}
static int N(dynamic d)
{
int y;
if(d || M(out y))
y = 10;
return y;
}
}
I see no reason why that should be illeg...
How to determine the memory footprint (size) of a variable?
...with the setting. An example would be available here
forp
forp simple, non intrusive, production-oriented, PHP profiler. Some of features are:
measurement of time and allocated memory for each function
CPU usage
file and line number of the function call
output as Google's Trace Event format
cap...
Show dialog from fragment?
...ously accepted answer that using a DialogFragment is the best option. The intended (primary) purpose of the DialogFragment seems to be to display fragments that are dialogs themselves, not to display fragments that have dialogs to display.
I believe that using the fragment's activity to mediate be...