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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!
...
Using module 'subprocess' with timeout
...
I don't know much about the low level details; but, given that in
python 2.6 the API offers the ability to wait for threads and
terminate processes, what about running the process in a separate
thread?
import subprocess, threading
c...
How to make a SPA SEO crawlable?
...stand what google requires, particularly the use of pretty and ugly URLs. Now lets see the implementation:
Client Side
On the client side you only have a single html page which interacts with the server dynamically via AJAX calls. that's what SPA is about. All the a tags in the client side are ...
How to trigger a build only if changes happen on particular set of files
...s://github.com/jenkinsci/git-plugin/pull/49
Update: The Git plugin (1.16) now has the 'included' region feature.
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retrieve links from web page using python and BeautifulSoup [closed]
...r class because it's a bit more efficient (memory and speed wise), if you know what you're parsing in advance.
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What optimizations can GHC be expected to perform reliably?
GHC has a lot of optimizations that it can perform, but I don't know what they all are, nor how likely they are to be performed and under what circumstances.
...
How does MySQL process ORDER BY and LIMIT in a query?
... we are not satisfied with that, so we ask mysql to sort it one more time. Now we have the newest result on the last row.
select t.article
from
(select article, publish_date
from table1
order by publish_date desc limit 10) t
order by t.publish_date asc;
If you need all columns,...
Are there any smart cases of runtime code modification?
...tion in their OpenGL stack.
In some cases software resorts to a technique known as trampoline which involves the dynamic creation of code on the stack (or another place). Examples are GCC's nested functions and the signal mechanism of some Unices.
Sometimes code is translated into code at runtime ...
Starting iPhone app development in Linux? [closed]
... Yep - no problems. You're using XCode, the signing works fine, I've now got a production app on the store, submitted from the VM. I won't name it for obvious reasons.
– Chaos
Mar 3 '10 at 2:53
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Schrödingers MySQL table: exists, yet it does not
...t on and try to recreate the table, it only creates the .ibd file. .frm is nowhere to be found. This only applies to a certain table (10+ others are created with correct files). Deleting that orphan ibd doesn't help anything anyway
– Corkscreewe
May 18 '12 at 1...