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How to create a GUID/UUID in Python
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Docs:
Python 2: http://docs.python.org/2/library/uuid.html
Python 3:
https://docs.python.org/3/library/uuid.html
Example (working on 2 and 3):
>>> import uuid
>>> uuid.uuid4()
UUID('bd65600d-8669-4903-8a14-af88203add38')
>>> str(uuid.uuid4())
'f50ec0b7-f960-400d-91f0...
How can you find and replace text in a file using the Windows command-line environment?
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@Pablo, use powershell.exe and wrap ps command into single parameter
– lubos hasko
Mar 5 '10 at 8:13
56
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Javascript seconds to minutes and seconds
...r modification would effectively TRUNCate the seconds (not FLOORing them). PS: PFFT, whoever came up with just 512 char limit for any meaningful comment should be...
– GitaarLAB
Jun 24 '19 at 0:04
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How do I add an existing Solution to GitHub from Visual Studio 2013
...t Home | Unsynced Commits
Enter the GitHub URL into the yellow box (use HTTPS URL, not the default shown SSH one)
Click Publish
Select Home | Changes
Add a Commit comment
Select Commit and Push from the drop down
Your solution is now in GitHub
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Rank function in MySQL
... NULL is added to handle datatype conversion and short circuiting issues.
PS: It can easily be converted to row number over partition by by removing all conditions that check for tie.
| id | firstname | gender | age | rank |
|----|-----------|--------|-----|------|
| 11 | Emily | F | 20 ...
What are the differences between numpy arrays and matrices? Which one should I use?
... advisable to use matrix class since it will be removed in the future.
https://numpy.org/doc/stable/reference/generated/numpy.matrix.html
As other answers already state that you can achieve all the operations with NumPy arrays.
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“please check gdb is codesigned - see taskgated(8)” - How to get gdb installed with homebrew code si
...rt gdb
echo "set startup-with-shell off" >> ~/.gdbinit
SOURCE:
https://sourceware.org/gdb/wiki/BuildingOnDarwin
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What is the email subject length limit?
...RFC and there is usability. Jakob Nielsen article Email Subject Lines: 5 Tips to Attract Readers summarize as: "Focus on the first 40 characters. Descriptive and well-written subject lines allow recipients to make an informed decision to get more details or move on."
– Édouard...
Vagrant ssh authentication failure
...ult to ssh-connect you may simply use
user: vagrant password: vagrant
https://www.vagrantup.com/docs/boxes/base.html#quot-vagrant-quot-user
First, try: to see what vagrant insecure_private_key is in your machine config
$ vagrant ssh-config
Example:
$ vagrant ssh-config
Host default
HostName...
Why can't Python find shared objects that are in directories in sys.path?
...ossible it could not if /usr/local/lib is not in /etc/ld.so.conf already.
PS: it's possible that your /etc/ld.so.conf contains nothing but "include ld.so.conf.d/*.conf". You can still add a directory path after it, or just create a new file inside the directory it's being included from. Dont forget...