大约有 23,700 项符合查询结果(耗时:0.0479秒) [XML]
How slow are .NET exceptions?
...ork :) )
The executive summary: they are slow. They are implemented as Win32 SEH exceptions, so some will even pass the ring 0 CPU boundary!
Obviously in the real world, you'll be doing a lot of other work so the odd exception will not be noticed at all, but if you use them for program flow expect...
How to handle initializing and rendering subviews in Backbone.js?
...tView?
– Tri Nguyen
Jan 6 '14 at 20:32
|
show 4 more comments
...
PHP: Convert any string to UTF-8 without knowing the original character set, or at least try
...
answered Nov 2 '11 at 12:32
Jeff DayJeff Day
3,31911 gold badge1515 silver badges1212 bronze badges
...
Is there a REAL performance difference between INT and VARCHAR primary keys?
...icode_520_ci |
| jan_int_index | InnoDB | 10 | Dynamic | 9740329 | 43 | 420413440 | 0 | 132857856 | 7340032 | NULL | utf8mb4_unicode_520_ci |
| jan_char | InnoDB | 10 | Dynamic | 9726613 | 51 | 500170752 | ...
Performant Entity Serialization: BSON vs MessagePack (vs JSON)
... entire document and further nested sub-documents.
document ::= int32 e_list
This has two major benefits for restricted environments (e.g. embedded) where size and performance is important.
You can immediately check if the data you're going to parse represents a complete document or if y...
Are the shift operators () arithmetic or logical in C?
...ue, the >> operator is an arithmetic shift.
For example, assuming a 32 bit machine:
signed int x1 = 5;
assert((x1 >> 1) == 2);
signed int x2 = -5;
assert((x2 >> 1) == -3);
unsigned int x3 = (unsigned int)-5;
assert((x3 >> 1) == 0x7FFFFFFD);
...
How to automatically generate N “distinct” colors?
...
stragerstrager
81.9k2323 gold badges125125 silver badges171171 bronze badges
...
Android: AsyncTask vs Service
...
answered Feb 9 '17 at 16:32
arjunarjun
3,01622 gold badges2222 silver badges4040 bronze badges
...
Should I use #define, enum or const?
...
– 12431234123412341234123
Aug 25 '17 at 9:32
add a comment
|
...
When to use MongoDB or other document oriented database systems? [closed]
...
nosql.mypopescu.com/post/1016320617/mongodb-is-web-scale#
– baklarz2048
Oct 14 '10 at 17:08
49
...
