大约有 1,390 项符合查询结果（耗时：0.0105秒） [XML]
How large should my recv buffer be when calling recv in the socket library
...RFC 768, the packet size (header-inclusive) for UDP can range from 8 to 65 515 bytes. So the fail-proof size for incoming buffer is 65 507 bytes (~64KB)
However, not all large packets can be properly routed by network devices, refer to existing discussion for more information:
What is the optimal ...
Multiple aggregations of the same column using pandas GroupBy.agg()
... edited Dec 8 '19 at 9:16
cs95
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answered Nov 27 '12 at 20:57
...
When do you use Java's @Override annotation and why?
...
515
votes
Use it every time you override a method for two benefits. Do it so that yo...
How do I get the row count of a pandas DataFrame?
... edited May 24 '19 at 3:53
cs95
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answered Feb 20 '16 at 13:30
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How to check if a json key exists?
... What if the key is from Integer type?
– Eido95
May 15 '17 at 19:33
2
@Eido95 having an I...
Maven2: Best practice for Enterprise Project (EAR file)
...type
514: remote -> org.xwiki.rendering:xwiki-rendering-archetype-macro
515: remote -> org.zkoss:zk-archetype-component
516: remote -> org.zkoss:zk-archetype-webapp
517: remote -> ru.circumflex:circumflex-archetype (-)
518: remote -> se.vgregion.javg.maven.archetypes:javg-minimal-arch...
When - and why - should you store data in the Windows Registry?
...ay share a windows folder, and it should be read-only anyway.
Solution (Win95): Registry with separate sections for each user.
Problem: Registry grew too big.
Solution (WinXP): Large blocks of individual data moved to user's own Application Data folder.
Problem: Good for large amounts of data, but r...
Structure padding and packing
...est_struct_address():
stu_g: 4
stu_h: 8
stu_f: 24
address of g: 0x7fffd63a95d0 // struct variable - address dividable by 16,
address of h: 0x7fffd63a95e0 // struct variable - address dividable by 16,
address of f1: 0x7fffd63a95f0 // struct variable - address dividable by 16,
address of f2: 0x7fff...
Logical operators for boolean indexing in Pandas
... answered Jan 25 '19 at 2:53
cs95cs95
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...
Const in JavaScript: when to use it and is it necessary?
...ror
But you can mutate your variable:
const marks = [92, 83]
marks.push(95)
console.log(marks) // [92, 83, 95] -> the variable has been mutated.
So, any process that changes the variable's value without using the = sign is mutating the variable.
Note: += for example is ... re-assigning!
va...