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What does mysql error 1025 (HY000): Error on rename of './foo' (errorno: 150) mean?
..._id) REFERENCES
country (id) ON DELETE NO
ACTION ON UPDATE NO ACTION
Now simply issue an:
alter table region drop foreign key
region_ibfk_1;
And finally an:
alter table region drop column
country_id;
And you are good to go!
...
How can you disable Git integration in Visual Studio 2013 permanently?
I know that you can disable git integration by using the Tools / Options dialog, but what I've noticed is that this setting doesn't seem to persist across sessions; i.e., as soon as close and reopen the solution, Git integration is enabled again. I'm guessing Visual Studio is seeing the .git folder ...
What is the most efficient way to deep clone an object in JavaScript?
...ined properties, etc., but this will also slow you down a little.
If you know the structure of the objects you are trying to clone or can avoid deep nested arrays you can write a simple for (var i in obj) loop to clone your object while checking hasOwnProperty and it will be much much faster than j...
Failed to install Python Cryptography package with PIP and setup.py
...:
sudo yum install gcc libffi-devel python-devel OpenSSL-devel
You should now be able to build and install cryptography with the usual.
pip install cryptography
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How to crop circular area from bitmap in Android
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Thanks. your code works spectacular. Now I can also crop using path (Polygon).
– DearDhruv
Sep 21 '13 at 8:58
2
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Are C# events synchronous?
... property. And it's merely a Func<int, string>, nothing fancy here.
Now the interesting parts are:
add_OnCall(Func<int, string>)
remove_OnCall(Func<int, string>)
and how OnCall is invoked in Do()
How is Subscribing and Unsubscribing Implemented?
Here's the abbreviated add_OnC...
Difference between “module.exports” and “exports” in the CommonJs Module System
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At this time module.exports and exports pointing to the same reference.
Now, imagine you re-write
greet.js as
exports = function () {
console.log('Hello World');
};
console.log(exports);
console.log(module.exports);
the output will be
[Function]
{}
the reason is : module.exports is a...
Can you nest html forms?
...
I ran into a similar problem, and I know that is not an answer to the question, but it can be of help to someone with this kind of problem:
if there is need to put the elements of two or more forms in a given sequence, the HTML5 <input> form attribute can ...
Suppressing “warning CS4014: Because this call is not awaited, execution of the current method conti
...
With C# 7 you can now use discards:
_ = WorkAsync();
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Throw an error in a MySQL trigger
...N
DECLARE errorWithDate varchar(64);
select concat("[",DATE_FORMAT(now(),"%Y%m%d %T"),"] ", errorText) into errorWithDate;
INSERT IGNORE INTO mysql_error_generator(error_field) VALUES (errorWithDate);
INSERT INTO mysql_error_generator(error_field) VALUES (errorWithDate);
END;
$$
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