大约有 30,000 项符合查询结果（耗时：0.0296秒） [XML]
Create a pointer to two-dimensional array
...e is how they do
uint8_t (*matrix_ptr)[][20] = l_matrix;
If you fix the error and add the address-of operator & like in the following snippet
uint8_t (*matrix_ptr)[][20] = &l_matrix;
Then that one creates a pointer to an incomplete array type of elements of type array of 20 uint8_t. Be...
Python: finding an element in a list [duplicate]
...
But this code gives error when element is not in the list.In current example context if I search for 'three' (i.e: li.index('three')) gives error.
– Kedar.Aitawdekar
May 28 '14 at 7:31
...
Traverse a list in reverse order in Python
...
answered Feb 9 '09 at 19:05
Greg HewgillGreg Hewgill
783k167167 gold badges10841084 silver badges12221222 bronze badges
...
Remove duplicate dict in list in Python
...
answered Feb 24 '12 at 9:05
EmmanuelEmmanuel
11.9k88 gold badges4242 silver badges6565 bronze badges
...
Downloading Java JDK on Linux via wget is shown license page instead
...
got the ERROR 404: Not Found with JDK 11, may be incorrect URL?
– Tien Dung Tran
Dec 19 '19 at 3:19
4
...
Is it ever advantageous to use 'goto' in a language that supports loops and functions? If so, why?
...gh return values and never exceptions, and it's difficult to combine these error handling mechanisms in a single performant way.
– Jeff Wilcox
May 11 '10 at 9:15
80
...
Count occurrences of a char in plain text file
... 1100000 occurences of the searched character:
real 0m0.089s
user 0m0.057s
sys 0m0.027s
Time for Vereb answer with echo, cat, tr and bc for the same file:
real 0m0.168s
user 0m0.059s
sys 0m0.115s
Time for Rob Hruska answer with tr, sed and wc for the same file:
real 0m0.465s
u...
What is the maximum recursion depth in Python, and how to increase it?
...unt is useful if your program is entering recursion and you would like the error message to NOT be pages and pages of the same text. I found this very helpful while debugging (my) bad recursive code.
– peawormsworth
Feb 22 at 0:38
...
how to calculate binary search complexity
...
Two answers - First one here: Even if there is no error in the math, we can see that 2.43 average is still better than 3.5 average for linear, and this is at a low value. Once you get into the 100s of entries, log2() is much much better than linear. I think you see this ...
Properties file in python (similar to Java Properties)
... MattGood!
– Dan H
May 11 '12 at 20:05
1
if you add pip install and a code example your answer wi...