大约有 46,000 项符合查询结果(耗时:0.0588秒) [XML]
Python ValueError: too many values to unpack [duplicate]
...s is a dict and by default you are iterating over just the keys (which are strings).
Since self.materials has more than two keys*, they can't be unpacked into the tuple "k, m", hence the ValueError exception is raised.
In Python 2.x, to iterate over the keys and the values (the tuple "k, m"), we u...
HTTP headers in Websockets client API
...sses this ticket during WebSocket connection setup either in the URL/query string, in the protocol field, or required as the first message after the connection is established. The server then only allows the connection to continue if the ticket is valid (exists, has not been already used, client IP ...
SQL Server dynamic PIVOT query?
...
So \@cols must be string-concatenated, right? We can't use sp_executesql and parameter-binding to interpolate \@cols in there? Even though we construct \@cols ourself, what if somehow it contained malicious SQL. Any additional mitigating steps...
Choosing between std::map and std::unordered_map [duplicate]
...prone: numbers passed through unaltered, only 10 characters spaced along a string of any length are combined in the hash value, bucket counts aren't prime. (GNU is at the opposite end of the spectrum).
– Tony Delroy
Aug 27 '15 at 3:49
...
How can I tell PyCharm what type a parameter is expected to be?
...tracts types from @param style comments.
See also reStructuredText and docstring conventions (PEP 257).
Another option is Python 3 annotations.
Please refer to the PyCharm documentation section for more details and samples.
...
Sending JWT token in the headers with Postman
...en. I just tried it out and it works for me.
Authorization: Bearer TOKEN_STRING
Each part of the JWT is a base64url encoded value.
share
|
improve this answer
|
follow
...
Preserve colouring after piping grep to grep
...
A word of advice:
When using grep --color=always, the actual strings being passed on to the next pipe will be changed. This can lead to the following situation:
$ grep --color=always -e '1' * | grep -ve '12'
11
12
13
Even though the option -ve '12' should exclude the middle line, it...
Which MySQL data type to use for storing boolean values
...ntext is first evaluated as integer (decimal and float values are rounded, strings are converted in the usual quirky way MySQL converts strings to integer). A NULL is obviously NULL (neither TRUE nor FALSE). An integer value of 0 is handled as FALSE, and any other integer value (1, 2, -7, etc) evalu...
How do I query for all dates greater than a certain date in SQL Server?
...
Try enclosing your date into a character string.
select *
from dbo.March2010 A
where A.Date >= '2010-04-01';
share
|
improve this answer
|
...
Android Calling JavaScript functions in WebView
...
@KovácsImre String.Format("javascript: testEcho('%d', '%d', '%d')", 1, 2, 3); I guess
– user457015
Dec 27 '13 at 13:02
...
