大约有 37,000 项符合查询结果（耗时：0.0693秒） [XML]
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...
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...
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...
document.getElementById vs jQuery $()
...
1035
Not exactly!!
document.getElementById('contents'); //returns a HTML DOM Object
var contents ...
Google Authenticator implementation in Python
...st()
o = ord(h[19]) & 15
h = (struct.unpack(">I", h[o:o+4])[0] & 0x7fffffff) % 1000000
return h
def get_totp_token(secret):
return get_hotp_token(secret, intervals_no=int(time.time())//30)
It has two functions:
get_hotp_token() generates one-time token (that should in...
How to invoke a Linux shell command from Java
...
|
edited Sep 11 '09 at 15:45
answered Sep 11 '09 at 13:12
...
How to sum a variable by group
...
404
Using aggregate:
aggregate(x$Frequency, by=list(Category=x$Category), FUN=sum)
Category x
1...
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 ...
git undo all uncommitted or unsaved changes
...
1704
This will unstage all files you might have staged with git add:
git reset
This will revert a...
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
...