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SqlException from Entity Framework - New transaction is not allowed because there are other threads
I am currently getting this error:
20 Answers
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Using semicolon (;) vs plus (+) with exec in find
... example.
– matchew
May 22 '11 at 0:05
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C++ “virtual” keyword for functions in derived classes. Is it necessary?
... you intend to override a virtual function in a derived class, but make an error in the signature so that it declares a new and different virtual function. This function may be an overload of the base class function, or it might differ in name. Whether or not you use the virtual keyword in the der...
Delimiters in MySQL
...port it will cause it to be sent to the server, which will report a syntax error. For example, using PHP and MySQLi:
$mysqli = new mysqli('localhost', 'user', 'pass', 'test');
$result = $mysqli->query('DELIMITER $$');
echo $mysqli->error;
Errors with:
You have an error in your SQL syntax; ch...
Difference between solr and lucene
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answered Nov 11 '16 at 16:05
mingxuemingxue
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Why doesn't requests.get() return? What is the default timeout that requests.get() uses?
...he values
separately:
r = requests.get('https://github.com', timeout=(3.05, 27))
NOTE: The change has since been merged to the main Requests project.
3. Using evenlet or signal as already mentioned in the similar question:
Timeout for python requests.get entire response
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How to get the PATH environment-variable separator in Python?
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edited Mar 7 '16 at 12:05
answered Feb 15 '16 at 15:53
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Does MySQL foreign_key_checks affect the entire database?
...foreign key (FK) while FOREIGN_KEY_CHECKS are ON, then Mysql will raise an error and refuse to add the FK, because of the broken reference. When you add the foreign key while FOREIGN_KEY_CHECKS are OFF, mysql continues without error. Even when you enable the checks afterwards, there will be no erro...
Mongod complains that there is no /data/db folder
...ify the db-path manually. I wouldn't recommend doing that.
Edit:
the error message you're getting is "Unable to create/open lock file: /data/db/mongod.lock errno:13 Permission denied". The directory you created doesn't seem to have the correct permissions and ownership --
it needs to be writa...
Unioning two tables with different number of columns
...nd followed above answer. But mismatch in the Order of data type caused an error. The below description from another answer will come handy.
Are the results above the same as the sequence of columns in your table? because oracle is strict in column orders. this example below produces an error:
cre...