大约有 6,887 项符合查询结果（耗时：0.0229秒） [XML]
What does the Ellipsis object do?
...an one dimensions, slicing becomes more complex than just a start and stop index; it is useful to be able to slice in multiple dimensions as well. E.g., given a 4x4 array, the top left area would be defined by the slice [:2,:2]:
>>> a
array([[ 1, 2, 3, 4],
[ 5, 6, 7, 8],
...
Convert a JSON String to a HashMap
... already checked that the key exists and that the array has a value at the index that you check. Also, no sense in creating the retMap before checking for null as it is created twice when json != null. Looks good though.
– user1122069
Mar 5 '16 at 7:15
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Authoritative position of duplicate HTTP GET query keys
...ll actually create an array if you append square brackets with an optional index to the parameter name.
– Martin Ender
Sep 6 '13 at 6:29
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s...
socket.io and session?
...the session ID to the view:
app.get('/', function(req,res){
res.render('index.ejs', {
locals: {
connect_sid: req.sessionID
// ...
}
});
});
Then in your view, link it in with Socket.IO client-side:
<script>
var sid = '<%= connect_sid %>';
var socket = new...
Pretty-print an entire Pandas Series / DataFrame
...ations from string import ascii_letters df = pd.DataFrame(data=[[0]*1326], index=[0], columns=[(a+b) for a,b in combinations(ascii_letters, 2)])
– Andrey Shokhin
Nov 2 '16 at 11:04
...
Get fragment (value after hash '#') from a URL in php [closed]
... HASH !";
else echo "HASH IS: #".explode( "#", $url )[1]; // arrays are indexed from 0
Or in "old" PHP you must pre-store the exploded to access the array:
$exploded_url = explode( "#", $url ); $exploded_url[1];
B) You want to get a #hash by sending a form to PHP? => Use some Jav...
Java associative-array
...we would say in python)? I believe you would need to use this approach as indexing becomes impossible.
– demongolem
Aug 30 '12 at 13:30
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Reminder - \r\n or \n\r?
...-while the head is returning to the left edge of the paper, the platen can index one line. The longer operation starts first, so the whole operation completes in the time it takes the longer operation to execute. We did a lot of things for reasons like that back then; imagine waiting out a couple of...
Difference between View and table in sql
...:
A view is a virtual table whose contents are defined by a query.
Unless indexed, a view does not exist as a stored set of data values in a database.
Advantages over table are
We can combine columns/rows from multiple table or another view and have a consolidated view.
Views can be used as secur...
HTML text-overflow ellipsis detection
...le.net/gustavojuan/210to9p1/
$(function() {
$('.endtext').each(function(index, elem) {
debugger;
if(elem.offsetWidth !== elem.scrollWidth){
$(this).css({color: '#FF0000'})
}
});
});
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