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django test app error - Got an error creating the test database: permission denied to create databas
...RIVILEGES ON myproject_test.* TO 'chandan'@'localhost';
Now you can run python manage.py test polls.
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How to find the largest file in a directory and its subdirectories?
...no simple command available to find out the largest files/directories on a Linux/UNIX/BSD filesystem. However, combination of following three commands (using pipes) you can easily find out list of largest files:
# du -a /var | sort -n -r | head -n 10
If you want more human readable output try:
$...
How can I get around MySQL Errcode 13 with SELECT INTO OUTFILE?
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it works to write in /tmp. Use windows instead. Linux sucks
– Victor Ionescu
May 7 '18 at 12:17
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NameError: name 'self' is not defined
...k fine), the above actually works as a workaround. It's still awkward that python chose to make self unavailable in a parameter list.
– shevy
Jan 2 '18 at 11:30
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Making heatmap from pandas DataFrame
I have a dataframe generated from Python's Pandas package. How can I generate heatmap using DataFrame from pandas package.
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How to overcome “datetime.datetime not JSON serializable”?
...elds were represented as:
{"$date": 1506816000000}
If you want a generic Python solution for serializing datetime to json, check out @jjmontes' answer for a quick solution which requires no dependencies.
As you are using mongoengine (per comments) and pymongo is a dependency, pymongo has built-...
Get just the filename from a path in a Bash script [duplicate]
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This function can give you the filename with or without extension of a linux filepath even if the filename has multiple "."s in it.
It can also handle spaces in the filepath and if the file path is embedded or wrapped in a string.
#you may notice that the sed replace has gotten really crazy loo...
Git authentication fails after enabling 2FA
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On linux, you can authenticate your GitHub identity using an SSH key.
1) Generating a new SSH key (source)
Open terminal.
Paste the text below, substituting in your GitHub email address.
ssh-keygen -t rsa -b 4096 -C "your_email@...
set up device for development (???????????? no permissions)
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What works for me is to kill and start the adb server again. On linux: sudo adb kill-server and then sudo adb start-server. Then it will detect nearly every device out of the box.
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Cron jobs and random times, within given hours
...hp
You need to render modulus as '\%' above because cron (well, at least Linux 'vixie-cron') terminates the line when it encounters an unescaped '%'.
Maybe you could get the remaining 7 script executions in there by adding another line with another 7-hour range. Or relax your restriction to run b...