大约有 9,600 项符合查询结果（耗时：0.0272秒） [XML]
LISTAGG in Oracle to return distinct values
... dual
union select 'A', 'T_a2', '111' from dual
union select 'A', 'T_a3', '999' from dual
union select 'B', 'T_a1', '123' from dual
union select 'B', 'T_b1', '740' from dual
union select 'B', 'T_b1', '846' from dual
)
select col1
, (select listagg(column_value, ',') within group (order by colum...
Soft wrap at 80 characters in Vim in window of arbitrary width
...lumns > 80) | set columns=80 | endif
autocmd BufEnter * set columns=999
augroup END
To turn on the mode for a particular buffer, use the following commands:
let b:softwrap=1
set columns=80
share
|
...
Which $_SERVER variables are safe?
...onicalphysicalport, http://httpd.apache.org/docs/2.4/mod/core.html#comment_999
Entirely arbitrary user controlled values
These values are not checked at all and do not depend on any server configuration, they are entirely arbitrary information sent by the client.
'argv', 'argc' (only applicable ...
Best way to select random rows PostgreSQL
...om_pick r -- plus 3 percent - adapt to your needs
LIMIT 999 -- less than 1000, hint for query planner
) r
JOIN big b USING (id) -- eliminate miss
)
SELECT *
FROM random_pick
LIMIT 1000; -- actual limit
We can work with a smalle...
How to split text without spaces into list of words?
...[max(0, i-maxword):i]))
return min((c + wordcost.get(s[i-k-1:i], 9e999), k+1) for k,c in candidates)
# Build the cost array.
cost = [0]
for i in range(1,len(s)+1):
c,k = best_match(i)
cost.append(c)
# Backtrack to recover the minimal-cost string.
out = [...
Angular.js ng-repeat across multiple tr's
...
GloopyGloopy
37.4k1515 gold badges9999 silver badges7171 bronze badges
...
Explaining Python's '__enter__' and '__exit__'
...TREAM)
>>> s.listen(5)
>>> s.bind((socket.gethostname(), 999))
>>> while True:
>>> (clientsocket, addr) = s.accept()
>>> print('get connection from %r' % addr[0])
>>> msg = clientsocket.recv(1024)
>>> print('received %r' % ms...
How to print to console in pytest?
...v, pep8, xdist
collected 2 items
tmp.py 0
1
2
3
... and so on ...
997
998
999
.this should fail!
F
=================================== FAILURES ===================================
___________________________________ test_bad ___________________________________
def test_bad():
print('t...
How to style the option of an html “select” element?
...
position:absolute;
top:100%;
right:0;
left:0;
z-index:999;
margin:0 0;
padding:0 0;
list-style:none;
border:1px solid #ccc;
background-color:white;
-webkit-box-shadow:0 1px 2px rgba(0, 0, 0, 0.2);
-moz-box-shadow:0 1px 2px rgba(0, 0, 0, 0.2);
box-...
Click button copy to clipboard using jQuery
... target.style.position = "absolute";
target.style.left = "-9999px";
target.style.top = "0";
target.id = targetId;
document.body.appendChild(target);
}
target.textContent = elem.textContent;
}
// select the content
...