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How do you copy a record in a SQL table but swap out the unique id of the new row?
This question comes close to what I need, but my scenario is slightly different. The source table and destination table are the same and the primary key is a uniqueidentifier (guid). When I try this:
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MySQL - SELECT WHERE field IN (subquery) - Extremely slow why?
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Rewrite the query into this
SELECT st1.*, st2.relevant_field FROM sometable st1
INNER JOIN sometable st2 ON (st1.relevant_field = st2.relevant_field)
GROUP BY st1.id /* list a unique sometable field here*/
HAVING COUNT(*) > 1
I think st2.relevant_field must be in the select, because oth...
Python logging: use milliseconds in time format
By default logging.Formatter('%(asctime)s') prints with the following format:
10 Answers
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How to remove frame from matplotlib (pyplot.figure vs matplotlib.figure ) (frameon=False Problematic
To remove frame in figure, I write
11 Answers
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How do you stop tracking a remote branch in Git?
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As mentioned in Yoshua Wuyts' answer, using git branch:
git branch --unset-upstream
Other options:
You don't have to delete your local branch.
Simply delete the local branch that is tracking the remote branch:
git branch -...
How to send email attachments?
I am having problems understanding how to email an attachment using Python. I have successfully emailed simple messages with the smtplib . Could someone please explain how to send an attachment in an email. I know there are other posts online but as a Python beginner I find them hard to understand....
How do I import CSV file into a MySQL table?
... For Mac OSX, use Sequel Pro.
– Agi Hammerthief
Mar 19 '14 at 13:31
3
I just tried ...
How do you clear Apache Maven's cache?
...rforming clean installs on our projects using Windows Vista or Windows 7 sometimes produce artifacts with the same data as a previous build even though the newer artifact's files should have been updated.
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How to determine if Javascript array contains an object with an attribute that equals a given value?
... answer is from 2011, before browsers had widely supported array filtering methods and arrow functions. Have a look at CAFxX's answer.
There is no "magic" way to check for something in an array without a loop. Even if you use some function, the function itself will use a loop. What you can do is br...
Linux command (like cat) to read a specified quantity of characters
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