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The ALTER TABLE statement conflicted with the FOREIGN KEY constraint
...you've deleted some old customers, but not their orders, you will get this error if you decide to make a foreign key from Orders.CustomerId to Customers.Id. Some orders don't have a corresponding customer any more, so it is impossible to add the foreign key.
– Chad Hedgcock
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Installing specific package versions with pip
...r to this question - thanks for your help. Hitting a different issue now: "error: command '/usr/bin/gcc-4.2' failed with exit status 1" while building '_mysql' extension. I know that I have GCC, and the install for MySQL_python 1.2.3 goes smoothly. Have others seen this issue, specifically with 1.2....
How do I remove documents using Node.js Mongoose?
...ssage.type = 'notification!';
}
else {
message.type = 'error';
}
});
UPDATE:
As of mongoose 3.8.1, there are several methods that lets you remove directly a document, say:
remove
findByIdAndRemove
findOneAndRemove
Refer to mongoose API docs for further information.
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PHP cURL not working - WAMP on Windows 7 64 bit
...HP version 5.3.1 with Apache 2.2.9 worked...
I was getting the consistent error of missing php5.dll. For this, I renamed all the old php.ini files which are not required (outside of the WAMP folder) to old_ohp.ini.
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How to implement history.back() in angular.js
...s useful... I was hitting the "10 $digest() iterations reached. Aborting!" error when using $window.history.back(); with IE9 (works fine in other browsers of course).
I got it to work by using:
setTimeout(function() {
$window.history.back();
},100);
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Difference between / and /* in servlet mapping url pattern
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<url-pattern></url-pattern> throws an error: Invalid <url-pattern> in servlet mapping
– slim
Jan 18 '16 at 17:10
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Testing whether a value is odd or even
...one outside the isEven and isOdd functions, so you don't have to duplicate error handling in both functions.
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Compiling problems: cannot find crt1.o
... On Ubuntu this worked sudo apt-get install gcc-multilib and it fixed my error from gfortran -m32 ...
– randwa1k
Sep 10 '14 at 1:11
1
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Git repository broken after computer died
...ld not do anything.
After doing git fsck mentioned that the branch had an error: Invalid HEAD.
refs/heads/<branch> had an invalid sha1 pointer.
Upon following the options here, I opened .git/refs/heads/<branch> in an notepad++ editor, and each of the sha1 characters were NUL.
Fortunat...
Could not execute editor
...ase proceeds as it should instead of giving the "could not execute editor" error.
The vim man page says with regard to option -f,
For the GUI version, Vim will not fork and detach from the shell it was started in. ... This option should be used when Vim is executed by a program that will wait f...