大约有 35,477 项符合查询结果(耗时:0.0418秒) [XML]

https://stackoverflow.com/ques... 

C++ obtaining milliseconds time on Linux — clock() doesn't seem to work properly

...econds, but on this Linux box I'm working on, it rounds it to the nearest 1000 so the precision is only to the "second" level and not to the milliseconds level. ...
https://stackoverflow.com/ques... 

What is the difference between Reader and InputStream?

... dimo414 40.6k1616 gold badges121121 silver badges205205 bronze badges answered Dec 6 '10 at 14:54 Berin Lorits...
https://stackoverflow.com/ques... 

Google Authenticator implementation in Python

...st() o = ord(h[19]) & 15 h = (struct.unpack(">I", h[o:o+4])[0] & 0x7fffffff) % 1000000 return h def get_totp_token(secret): return get_hotp_token(secret, intervals_no=int(time.time())//30) It has two functions: get_hotp_token() generates one-time token (that should in...
https://stackoverflow.com/ques... 

How to invoke a Linux shell command from Java

... | edited Sep 11 '09 at 15:45 answered Sep 11 '09 at 13:12 ...
https://stackoverflow.com/ques... 

Hyphenated html attributes with asp.net mvc

... 202 Use an underscore in the data attribute name, and it'll magically handle it for you, converting...
https://stackoverflow.com/ques... 

Guaranteed lifetime of temporary in C++?

... 110 The destructor for that sort of temporaries is called at the end of the full-expression. That's ...
https://stackoverflow.com/ques... 

Show all Elasticsearch aggregation results/buckets and not just 10

... all buckets on an aggregation, but it seems to be showing only the first 10. 4 Answers ...
https://stackoverflow.com/ques... 

Pipe output and capture exit status in Bash

... 530 There is an internal Bash variable called $PIPESTATUS; it’s an array that holds the exit statu...
https://stackoverflow.com/ques... 

How to sum a variable by group

... 404 Using aggregate: aggregate(x$Frequency, by=list(Category=x$Category), FUN=sum) Category x 1...
https://stackoverflow.com/ques... 

How to find largest objects in a SQL Server database?

...ages, sum(a.data_pages) as DataPages, (sum(a.total_pages) * 8) / 1024 as TotalSpaceMB, (sum(a.used_pages) * 8) / 1024 as UsedSpaceMB, (sum(a.data_pages) * 8) / 1024 as DataSpaceMB FROM sys.tables t INNER JOIN sys.indexes i ON t.object_id = i.object_id INNER JOIN ...