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MySQL Workbench: How to keep the connection alive
...ilable internet archive:
Go to Edit -> Preferences -> SQL Editor and set to a higher value this parameter: DBMS connection read time out (in seconds). For instance: 86400.
Close and reopen MySQL Workbench. Kill your previously query that
probably is running and run the query again.
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Why doesn't os.path.join() work in this case?
The below code will not join, when debugged the command does not store the whole path but just the last entry.
14 Answers
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What does it mean if a Python object is “subscriptable” or not?
... meaning they contain other objects. This includes strings, lists, tuples, and dictionaries.
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Back to previous page with header( “Location: ” ); in PHP
...['HTTP_REFERER']);
Note that this may not work with secure pages (HTTPS) and it's a pretty bad idea overall as the header can be hijacked, sending the user to some other destination. The header may not even be sent by the browser.
Ideally, you will want to either:
Append the return address to t...
How to check for null in Twig?
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And to check if something is not null, simply do {% if var is not null %}
– J.-B. C.
Sep 6 '12 at 19:31
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Pandas groupby: How to get a union of strings
...065 This
1 2 0.301084 is
2 3 0.463468 a
3 4 0.643961 random
4 1 0.866521 string
5 2 0.120737 !
In [6]: df.dtypes
Out[6]:
A int64
B float64
C object
dtype: object
When you apply your own function, there is not automatic exclusions of non-numeric columns...
How can I visualize per-character differences in a unified diff file?
...y; otherwise type M-x diff-mode RET), go to the hunk you are interested in and hit C-c C-b for refine-hunk. Or step through the file one hunk at a time with M-n; that will do the refining automatically.
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Execute unit tests serially (rather than in parallel)
...gure which services are available without having to bring all of them down and restart them whenever a new service is added or an old one is removed.
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Error: Cannot pull with rebase: You have unstaged changes
...if you wanted to keep them. After pulling, you would then do git stash pop and your changes would be reapplied.
git status also has how to get rid of changes depending on if the file is staged for commit or not.
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send mail from linux terminal in one line [closed]
I know there is the command mail in linux to send emails via command line. How can I send an simple email with one line from the terminal though?
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