大约有 30,000 项符合查询结果（耗时：0.0457秒） [XML]
Why use double indirection? or Why use pointers to pointers?
... change in) the Memory-Allocation or Assignment even outside of a function call. (So, Pass such function with double pointer arg.)
This may not be a very good example, but will show you the basic use:
void allocate(int** p)
{
*p = (int*)malloc(sizeof(int));
}
int main()
{
int* p = NULL;
all...
How do I calculate square root in Python?
...number bigger than 0, but a number that makes sense shortens the recursive call depth significantly.
new_estimate = (estimate + num / estimate) / 2
This line computes a more accurate estimate with those 2 parameters. You can pass new_estimate value to the function and compute another new_estimate...
What is Weak Head Normal Form?
... How do strict data constructors come into the play? Are they just like calling seq on their arguments?
– Bergi
May 13 '14 at 10:26
1
...
How to delete an item in a list if it exists?
...:
pass # or scream: thing not in some_list!
except AttributeError:
call_security("some_list not quacking like a list!")
Off course the second except clause in the example above is not only of questionable humor but totally unnecessary (the point was to illustrate duck-typing for people not...
How to check if bootstrap modal is open, so i can use jquery validate
...ile with the fade option and fast clicks or triggering a modal via an Ajax call. The time delay on the fade can create race conditions. Still, a useful way to hook into it when the contents are static and the model only pops up during user interaction!
– Greg Pettit
...
Difference between “\n” and Environment.NewLine
...clarity: on a non-Unix platform Environment.NewLine is \r\n but \n is also called "new line". Why didn't they just call the latter by its more well-known name "line feed" and cut out the confusion? They could have used \l also.
– rory.ap
Sep 26 '18 at 15:52
...
How to handle Back button with in the dialog?
...
@dmmh if you don't call dialog.dismiss() will get a memory leak.
– CONvid19
Mar 31 '14 at 19:56
2
...
Split string into an array in Bash
... a delimiter. If the value of IFS is null, no word splitting occurs.
Basically, for non-default non-null values of $IFS, fields can be separated with either (1) a sequence of one or more characters that are all from the set of "IFS whitespace characters" (that is, whichever of <space>, <t...
Convert string to a variable name
...
You can use do.call:
do.call("<-",list(parameter_name, parameter_value))
share
|
improve this answer
|
follo...
How do you test private methods with NUnit?
...right way. But I then have no idea whether the private method was actually called, unless I trust the public method to never change. Private methods are intended to be private to production users of code, not the author.
– Quango
Jan 17 '13 at 12:10
...