大约有 16,000 项符合查询结果（耗时：0.0372秒） [XML]
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.
...
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
...
string sanitizer for filename
...name
Put the string in lower case
Remove foreign accents such as Éàû by convert it into html entities and then remove the code and keep the letter.
Replace Spaces with dashes
Encode special chars that could pass the previous steps and enter in conflict filename on server. ex. "中文百强网"
Re...
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.
...
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...
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...
How to send an object from one Android Activity to another using Intents?
...s an example
public class MyParcelable implements Parcelable {
private int mData;
/* everything below here is for implementing Parcelable */
// 99.9% of the time you can just ignore this
@Override
public int describeContents() {
return 0;
}
// write your object...
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...