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How can I delete Docker's images?
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As @alexyz78 notes below, you can now use docker system prune. So to wipe everyhing: docker kill $(docker ps -q) to stop containers followed by a docker system prune -a will remove everything - see stackoverflow.com/a/44309011/247708
– B...
Rails create or update magic?
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Oh... I see what you meant now - that both forms, find_or_initialize_by and find_or_create_by accept a block. I thought you meant that whether the record exists or not, a block will be passed down with the record object as an argument, in order to do t...
Prevent automatic browser scroll on refresh
... distinguish between user initiated scroll and browser initiated. I don't know how to do this, but as I recall it is possible.
– mrtsherman
Aug 12 '11 at 5:12
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One line ftp server in python
... Right, I do deserve down-voting, but really, people should know Twisted. And of course Twisted is in the base install of many Linuxes.
– Ali Afshar
Feb 14 '11 at 17:42
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What are the differences between Generics in C# and Java… and Templates in C++? [closed]
...s not an object, and there's no underlying virtual machine which needs to know about a Person class. There's no boxing or unboxing, and functions don't have to belong to classes, or indeed anything.
Because of this, the C++ compiler places no restrictions on what you can do with templates - basicall...
How to save picture to iPhone photo library?
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You will now need to add 'Privacy - Photo Library Additions Usage Description' as of iOS 11 to save photos the users album.
– horsejockey
Nov 1 '17 at 15:26
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How do you decompile a swf file [closed]
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this website is buggy now and doesnt show the code anymore, is there any other good one ?
– Osa
Sep 14 '12 at 12:34
3
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Abort Ajax requests using jQuery
...ect (jQuery API documentation).
UPDATE 2:
As of jQuery 3, the ajax method now returns a promise with extra methods (like abort), so the above code still works, though the object being returned is not an xhr any more. See the 3.0 blog here.
UPDATE 3: xhr.abort() still works on jQuery 3.x. Don't as...
When to use Storyboard and when to use XIBs
...ints that applied to iOS 7 and below don't apply to iOS 8 anymore (and are now marked as such). So while Storyboards inherently still have flaws, I revise my advice from don't use to selectively use where it makes sense.
Even now that iOS 9 is out, I would advise against to use caution when decidin...
How to use 'find' to search for files created on a specific date? [closed]
...s case, the file is 2008-10-01 at midnight
touch -t 0810010000 /tmp/t
Now we can find all files that are newer or older than the above file (going by file modified date. You can also use -anewer for accessed and -cnewer file status changed).
find / -newer /tmp/t
find / -not -newer /tmp/t
Yo...