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Rails: How can I set default values in ActiveRecord?
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You can also pass a lambda to the default parameter. Example:
attribute :uuid, :string, default: -> { SecureRandom.uuid }
The second argument is the type and it can also be a custom type class instance, for example:
attribute :uuid, UuidType.new, default: -> { SecureRandom.uuid }
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String slugification in Python
I am in search of the best way to "slugify" string what "slug" is , and my current solution is based on this recipe
10 An...
Get folder name from full file path
...red Mar 8 '11 at 6:53
Øyvind BråthenØyvind Bråthen
52.2k2525 gold badges113113 silver badges138138 bronze badges
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Get the (last part of) current directory name in C#
...ot exactly what the question was about.
– Jakob Möllås
May 16 '11 at 13:47
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Can I force pip to reinstall the current version?
I've come across situations where a current version of a package seems not to be working and requires reinstallation. But pip install -U won't touch a package that is already up-to-date. I see how to force a reinstallation by first uninstalling (with pip uninstall ) and then installing, but is th...
do N times (declarative syntax)
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For piece of mind I ran a uuid function 50k times to make sure it never duplicated a uuid. So I profiled the top loop vs the bottom just for kicks, just running in the middle of a normal page load using chrome dev tools if im not being dumb I think it...
How to clear Facebook Sharer cache?
...red Apr 29 '16 at 9:59
Thorkil VærgeThorkil Værge
38622 gold badges88 silver badges2020 bronze badges
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Client-server synchronization pattern / algorithm?
...ique when items could be created on different devices. I didn't know about UUIDs when I started this, so I used auto-incrementing IDs and wrote some convoluted code that runs on the central server to check new IDs uploaded from devices, change them to a unique ID if there's a conflict, and tell the ...
How to manage local vs production settings in Django?
...ose to (successfully!) use your solution, with a slight difference: I used uuid.getnode() to find uuid of my system. So I'm testing if uuid.getnode() == 12345678901 (actually a different number) instead of the os.environ test you used. I couldn't find documenation to convince me that os.environ['COM...
Git merge two local branches
... git checkout branch-A is more understandable
– Erdinç Çorbacı
Mar 22 '18 at 8:34
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