Fastest Way to Load Data into PostgreSQL Using Python: https://hakibenita.com/fast-load-data-python-postgresql
Hakibenita
Fastest Way to Load Data Into PostgreSQL Using Python
From two minutes to less than half a second!
Will Locust master accept and utilize additional slaves after —expect-slaves number is met?: https://stackoverflow.com/questions/56893382/will-locust-master-accept-and-utilize-additional-slaves-after-expect-slaves-num
Stack Overflow
Will Locust master accept and utilize additional slaves after —expect-slaves number is met?
If I’m running a Locust master headless with —expect-slaves 3, if I connect 5 slaves will the master accept and utilize all connected slaves?
How to use pandas .replace() with list of regexs while honoring list order?: https://stackoverflow.com/questions/55961770/how-to-use-pandas-replace-with-list-of-regexs-while-honoring-list-order
Stack Overflow
How to use pandas .replace() with list of regexs while honoring list order?
I have 2 dataframes: one (A) with some whitelist hostnames in regex form (ie (.*)microsoft.com, (*.)go.microsoft.com...) and another (B) with actual full hostnames of sites. I want to add a new co...
Performance issue while reading data from hive using python: https://stackoverflow.com/questions/56931835/performance-issue-while-reading-data-from-hive-using-python
Stack Overflow
Performance issue while reading data from hive using python
I have a table in hive with 351 837 (110 MB size) records and i am reading this table using python and writing into sql server.
In this process while reading data from hive into pandas dataframe i...
In this process while reading data from hive into pandas dataframe i...
Why doesn't the Python interpreter return the explicit SyntaxError message?: https://stackoverflow.com/questions/56933357/why-doesnt-the-python-interpreter-return-the-explicit-syntaxerror-message
Stack Overflow
Why doesn't the Python interpreter return the explicit SyntaxError message?
When looking at CPython's tokenizer.c, the tokenizer returns specific error messages.
As an example, you can take a look at the part where the tokenizer tries to parse a decimal number. When tryin...
As an example, you can take a look at the part where the tokenizer tries to parse a decimal number. When tryin...
Python consumes too much memory, or how to reduce the size of objects: https://habr.com/en/post/458518/
Habr
Python consumes a lot of memory or how to reduce the size of objects?
A memory problem may arise when a large number of objects are active in RAM during the execution of a program, especially if there are restrictions on the total...
Python consumes too much memory, or how to reduce the size of objects: https://www.reddit.com/r/Python/comments/cbfs1s/python_consumes_too_much_memory_or_how_to_reduce/
reddit
Python consumes too much memory, or how to reduce the size of objects
Posted in r/Python by u/atomlib_com • 396 points and 73 comments
no error after forgetting Schema() in voluptuous: https://stackoverflow.com/questions/56923647/no-error-after-forgetting-schema-in-voluptuous
Stack Overflow
no error after forgetting Schema() in voluptuous
According to examples, this is the correct way to create a validation Schema:
import voluptuous as vol
PORT1 = vol.Schema(vol.All(int, vol.Range(min=0, max=65535)))
However, I noticed, that the S...
import voluptuous as vol
PORT1 = vol.Schema(vol.All(int, vol.Range(min=0, max=65535)))
However, I noticed, that the S...
Help finding it hard to memorize all the functions and operating languages. Is there a cheatsheet or anything so i don't have to remember all of this?: https://www.reddit.com/r/Python/comments/cbfkfm/help_finding_it_hard_to_memorize_all_the/
reddit
r/Python - Help finding it hard to memorize all the functions and operating languages. Is there a cheatsheet or anything so i don't…
21 votes and 21 comments so far on Reddit
Flask - Unable use validators in SubForms: https://stackoverflow.com/questions/56938391/flask-unable-use-validators-in-subforms
Stack Overflow
Flask - Unable use validators in SubForms
My point is the following :
I have a FieldList input with FloatFields on it.
But the validators in those nested fields doesn't run.
The NumberRange works fine when I have a basic form.
But when I...
I have a FieldList input with FloatFields on it.
But the validators in those nested fields doesn't run.
The NumberRange works fine when I have a basic form.
But when I...
How do you feed a tf.data.Dataset dynamically in eager execution mode where initializable_iterator isn't available?: https://stackoverflow.com/questions/56939282/how-do-you-feed-a-tf-data-dataset-dynamically-in-eager-execution-mode-where-init
Stack Overflow
How do you feed a tf.data.Dataset dynamically in eager execution mode where initializable_iterator isn't available?
What is the new approach (under eager execution) to feeding data through a dataset pipeline in a dynamic fashion, when we need to feed it sample by sample?
I have a tf.data.Dataset which performs...
I have a tf.data.Dataset which performs...
How to explode multiple columns, different types and different lengths?: https://stackoverflow.com/questions/56931256/how-to-explode-multiple-columns-different-types-and-different-lengths
Stack Overflow
How to explode multiple columns, different types and different lengths?
I've got a DF with columns of different time cycles (1/6, 3/6, 6/6 etc.) and would like to "explode" all the columns to create a new DF in which each row is a 1/6 cycle.
from pyspark import Row
f...
from pyspark import Row
f...
Database still in use after a selenium test in Django: https://stackoverflow.com/questions/53323775/database-still-in-use-after-a-selenium-test-in-django
Stack Overflow
Database still in use after a selenium test in Django
I have a Django project in which I'm starting to write Selenium tests. The first one looking like this:
from django.contrib.staticfiles.testing import StaticLiveServerTestCase
from selenium import
from django.contrib.staticfiles.testing import StaticLiveServerTestCase
from selenium import
Crated a fun script to search a particular username on almost every social platform.: https://www.reddit.com/r/Python/comments/cbslog/crated_a_fun_script_to_search_a_particular/
reddit
r/Python - Crated a fun script to search a particular username on almost every social platform.
38 votes and 11 comments so far on Reddit
I wrote a script to help you set your Wi-Fi name to an emoji 🤠 💩: https://www.reddit.com/r/Python/comments/cbsg0y/i_wrote_a_script_to_help_you_set_your_wifi_name/
reddit
I wrote a script to help you set your Wi-Fi name to an emoji 🤠 💩
It's for Verizon FiOS routers, which, like most routers, only let you use ASCII text for your SSID. Where's the fun in that? ...
Is there a numerically optimal order of matrix multiplication?: https://stackoverflow.com/questions/56934040/is-there-a-numerically-optimal-order-of-matrix-multiplication
Stack Overflow
Is there a numerically optimal order of matrix multiplication?
TL;DR: THE QUESTION IS ABOUT MULTIPLICATION ACCURACY
I have to multiply matrices A (100x8000), B (8000x27) and C (27x1).
Since matrices B and C are constant and A is variable, I prefer to calcula...
I have to multiply matrices A (100x8000), B (8000x27) and C (27x1).
Since matrices B and C are constant and A is variable, I prefer to calcula...