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Cannot change column used in a foreign key constraint
...S person (person_id);
UNLOCK TABLES;
EDIT:
Added locks above, thanks to comments
You have to disallow writing to the database while you do this,
otherwise you risk data integrity problems.
I've added a write lock above
All writing queries in any other session than your own ( INSERT, UPDA...
How to close this ssh tunnel? [closed]
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Assuming you ran this command: ssh -f user@mysql-server.com -L 3306:mysql-server.com:3306 -N as described in the post you linked.
A breakdown of the command:
ssh: that's pretty self-explanatory. Invokes ssh.
-f: (From the man ssh page)
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Do NSUserDefaults persist through an Update to an app in the Appstore?
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Listing each branch and its last revision's date in Git
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commandlinefu has 2 interesting propositions:
for k in `git branch | perl -pe s/^..//`; do echo -e `git show --pretty=format:"%Cgreen%ci %Cblue%cr%Creset" $k -- | head -n 1`\\t$k; done | sort -r
or:
for k in `git branch |...
What do the return values of node.js process.memoryUsage() stand for?
...e of the Heap
heapUsed: Heap actually Used
Ref: http://apmblog.dynatrace.com/2015/11/04/understanding-garbage-collection-and-hunting-memory-leaks-in-node-js/
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AngularJS: ng-repeat list is not updated when a model element is spliced from the model array
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Do on-demand Mac OS X cloud services exist, comparable to Amazon's EC2 on-demand instances? [closed]
...nd weekly/monthly plans, plus there's a free trial.
http://www.macincloud.com
Per @Iterator, posting update on my findings for this service, moving out from my comments:
I did the trial/evaluation. The trial can be misleading on how the trial works. You may need to signup to see prices but the tr...
MongoDB: update every document on one field
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Best way to list files in Java, sorted by Date Modified?
...tees about the order of the files returned. Therefore you need to write a Comparator that uses File.lastModified() and pass this, along with the array of files, to Arrays.sort().
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