大约有 48,000 项符合查询结果(耗时:0.0574秒) [XML]
Received an invalid column length from the bcp client for colid 6
...
One of the data columns in the excel (Column Id 6) has one or more cell data that exceed the datacolumn datatype length in the database.
Verify the data in excel. Also verify the data in the excel for its format to be in compliance with the database table schema.
To avoid this, try ex...
UPDATE multiple tables in MySQL using LEFT JOIN
...col1 = newvalue
WHERE t2.id IS NULL
Note that for a SELECT it would be more efficient to use NOT IN / NOT EXISTS syntax:
SELECT t1.*
FROM t1
WHERE t1.id NOT IN
(
SELECT id
FROM t2
)
See the article in my blog for performance details:
Finding incompl...
Shell script to delete directories older than n days
...ind /path/to/base/dir/* -type d -ctime +10 | xargs rm -rf
Which is a bit more efficient, because it amounts to:
rm -rf dir1 dir2 dir3 ...
as opposed to:
rm -rf dir1; rm -rf dir2; rm -rf dir3; ...
as in the -exec method.
With modern versions of find, you can replace the ; with + and it wil...
'Java' is not recognized as an internal or external command
...e bin folder, without the JAVA_HOME variable, however, this makes a little more annoying when you need to have more than one java version on your machine (that way you only need to change JAVA_HOME and don't even bother with PATH)
...
How do I remove a big file wrongly committed in git [duplicate]
...ter "git rm -rf --cached --ignore-unmatch path_to_file" HEAD
You can find more documentation here http://dalibornasevic.com/posts/2-permanently-remove-files-and-folders-from-a-git-repository
share
|
...
Laravel migration: unique key is too long, even if specified
...
|
show 3 more comments
109
...
String's Maximum length in Java - calling length() method
...re referenced using integer
indices from 0 to n - 1, inclusive.
Furthermore, the indexing must be by int values, as mentioned in Section 10.4:
Arrays must be indexed by int values;
Therefore, it appears that the limit is indeed 2^31 - 1, as that is the maximum value for a nonnegative int v...
What is causing the error `string.split is not a function`?
..., but some people prefer the toString() method. I wouldn't consider it any more hacky than using the unary + for number conversion.
– user1106925
Apr 13 '12 at 18:13
...
How to calculate md5 hash of a file using javascript
...e major browsers stack up:
FF 3.6 supports FileReader, FF4 supports even more file based functionality
Chrome has supported the FileAPI since version 7.0.517.41
Internet Explorer 10 has partial FileAPI support
Opera 11.10 has partial support for FileAPI
Safari - I couldn't find a good official sou...
