大约有 23,400 项符合查询结果(耗时:0.0461秒) [XML]
Concept of void pointer in C programming
...type must be aligned at boundary of the size of data type (e.g. pointer to 32-bit integer must be aligned at 4-byte boundary to be dereferenced).
For example, reading uint16_t from void*:
/* may receive wrong value if ptr is not 2-byte aligned */
uint16_t value = *(uint16_t*)ptr;
/* portable way o...
Get nth character of a string in Swift programming language
...
answered Nov 6 '14 at 9:32
nalexnnalexn
8,93366 gold badges3838 silver badges4545 bronze badges
...
When should I use the “strictfp” keyword in java?
...s floating point and doubles have a consistent size over any machine. i.e. 32/64 -bit respectively.
share
|
improve this answer
|
follow
|
...
What is the Python equivalent of Matlab's tic and toc functions?
... Eli BenderskyEli Bendersky
218k7777 gold badges324324 silver badges390390 bronze badges
25
...
How can I safely encode a string in Java to use as a filename?
... @vog: "*" is only allowed in most Unix-based filesystems, NTFS and FAT32 do not support it.
– Jonathan
Aug 17 '09 at 18:26
1
...
What do 3 dots next to a parameter type mean in Java?
...
answered Jul 1 '10 at 14:32
kiswakiswa
12.6k11 gold badge1717 silver badges2626 bronze badges
...
Pandas percentage of total with groupby
...3]:
state office_id
AZ 2 0.492037
4 0.315321
6 0.192643
CA 1 0.441573
3 0.400546
5 0.157881
CO 1 0.388271
3 0.249779
5 0.361949
WA 2 ...
float:left; vs display:inline; vs display:inline-block; vs display:table-cell;
...ace issue.
– Spudley
Apr 1 '14 at 8:32
|
show 3 more comments
...
How do the PHP equality (== double equals) and identity (=== triple equals) comparison operators dif
...aximum value, PHP promotes your number to "infinity". If your platform is 32 bit, then the max value is 2^31. I updated the answer to be more clear.
– Eric Leschinski
Sep 9 at 15:39
...
What is the difference between char array and char pointer in C?
...am attempts to modify such an array, the behavior is
undefined.
6.7.8/32 "Initialization" gives a direct example:
EXAMPLE 8: The declaration
char s[] = "abc", t[3] = "abc";
defines "plain" char array objects s and t whose elements are initialized with character string literals.
...