大约有 15,600 项符合查询结果(耗时:0.0303秒) [XML]
How do I remove the Devise route to sign up?
...
I liked @max's answer, but when trying to use it I ran into an error due to devise_mapping being nil.
I modified his solution slightly to one that seems to address the issue. It required wrapping the call to resource
Difference between scaling horizontally and vertically for databases [closed]
...an be scaled horizontally but the process to do so tends to be complex and error prone. NewSQL databases like NuoDB are memory-centric distributed database systems designed to scale out horizontally while maintaining the SQL/ACID properties of traditional RDBMS.
For more information on NuoDB, read ...
psycopg2: insert multiple rows with one query
...
in case someone encounters the following error: [TypeError: sequence item 0: expected str instance, bytes found] run this command instead [args_str = ','.join(cur.mogrify("(%s,%s)", x).decode("utf-8") for x in tup)]
– mrt
Sep 3...
Insert Update trigger how to determine if insert or update
...ISTS(SELECT 1/0 ...) and it will still work and won't cause divide by zero error.
– Endrju
Oct 5 '14 at 10:15
1
...
Most concise way to convert a Set to a List
... after this when I tried to access list element it giving me error, " java.lang.ClassCastException: java.lang.Integer cannot be cast to java.lang.String" ..don;t know why..it's simple list.get(int) that's it ...any suggestion ?
– CoDe
Jun 20 '14 a...
How do I tokenize a string in C++?
...e to separate the two ">" characters before the tokens(text, sep) bit: (error C2947: expecting '>' to terminate template-argument-list, found '>>')
– AndyUK
Oct 1 '10 at 15:57
...
GSON throwing “Expected BEGIN_OBJECT but was BEGIN_ARRAY”?
...lure(Call<List<Datum>> call, Throwable t) {
Log.e("Error",t.getMessage());
}
});
}
}
share
|
improve this answer
|
follow
...
Convert unix time to readable date in pandas dataframe
...
This solution gives me OverflowError: Python int too large to convert to C long.
– if __name__ is None
Sep 15 '15 at 7:20
2
...
Test if characters are in a string
...try to match on an invalid regex, it doesn't work:
> grep("[", "abc[")
Error in grep("[", "abc[") :
invalid regular expression '[', reason 'Missing ']''
To do a true substring test, use fixed = TRUE.
> grep("[", "abc[", fixed = TRUE)
[1] 1
If you do want regex, great, but that's not w...
Linux: copy and create destination dir if it does not exist
...o/bar if /foo doesn't already exist. (Without -p, it will instead throw an error.
The && list operator, as documented in the POSIX standard (or the Bash manual if you prefer), has the effect that cp myfile.txt $_ only gets executed if mkdir -p /foo/bar executes successfully. This means the ...
