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Progress indicator during pandas operations
...with `pandas`
# (can use tqdm_gui, optional kwargs, etc.)
tqdm.pandas()
# Now you can use `progress_apply` instead of `apply`
df.groupby(0).progress_apply(lambda x: x**2)
In case you're interested in how this works (and how to modify it for your own callbacks), see the examples on github, the full...
How to convert an image to base64 encoding?
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Excellent tip, now i will create be a function to edit file upload, or a revert move_uploaded_file(), thanks
– Vinicius De Jesus
Mar 28 at 13:54
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How to concatenate twice with the C preprocessor and expand a macro as in “arg ## _ ## MACRO”?
...then substituted into the replacement string:
EVALUATOR(mine, VARIABLE)
Now the macro EVALUATOR is discovered, and the arguments are isolated as 'mine' and 'VARIABLE'; the latter is then fully expanded to '3', and substituted into the replacement string:
PASTER(mine, 3)
The operation of this i...
How to find the duration of difference between two dates in java?
....com/javase/tutorial/datetime/iso/period.html
LocalDate today = LocalDate.now();
LocalDate birthday = LocalDate.of(1960, Month.JANUARY, 1);
Period p = Period.between(birthday, today);
long p2 = ChronoUnit.DAYS.between(birthday, today);
System.out.println("You are " + p.getYears() + " years, " + p...
“Incorrect string value” when trying to insert UTF-8 into MySQL via JDBC?
... still not write international text into db getting same failure as above
Now using this how-to-convert-an-entire-mysql-database-characterset-and-collation-to-utf-8
Update all your db to use utf8mb4
ALTER DATABASE YOURDB CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
Run this query that giv...
nginx server_name wildcard or catch-all
...s. The second is an admin console on admin.domain.com . These work great. Now I'd like all other domain requests to go to a single index.php - I have loads of domains and subdomains and it's impractical to list them all in an nginx config.
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Duplicating a MySQL table, indices, and data
... work for big tables (millions of records)?.. I am asking because I don't know how this select * will perform in huge tables.
– fguillen
Dec 1 '16 at 17:23
4
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Is it safe to push_back an element from the same vector?
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I'm upvoting now as this is my recollection as well, but a reference is needed.
– bames53
Sep 13 '13 at 14:55
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PATH issue with pytest 'ImportError: No module named YadaYadaYada'
...ule path even if a module is in the same folder as the file run. I didn't know that this is considered best practice, so that's a useful bit of information, thanks. I agree with most of pep8, although it is still not perfect.
– Zelphir Kaltstahl
Nov 6 '16 at 19...
How do I remove all .pyc files from a project?
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@holms pyclean (and now py3clean) originate in a Debian package, and thus aren’t in RHEL.
– duozmo
Jan 9 '16 at 18:53
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