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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...
Setting HTTP headers
...t - I used the Set() method on Header() (doh!)
My handler looks like this now:
func saveHandler(w http.ResponseWriter, r *http.Request) {
// allow cross domain AJAX requests
w.Header().Set("Access-Control-Allow-Origin", "*")
}
Maybe this will help someone as caffeine deprived as myself s...
How to format a UTC date as a `YYYY-MM-DD hh:mm:ss` string using NodeJS?
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Note that by removing the time zone, it now represents a different moment in time in every time zone with a different offset.
– RobG
Jun 7 '16 at 13:01
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Django ModelForm: What is save(commit=False) used for?
...er = self.request.user
attachment.date_attached = timezone.now()
attachment.competency = competency
attachment.filename = request.FILES['attachment'].name
if attachment.filename.lower().endswith(('.png','jpg','jpeg','.ai','.bmp','.gif',...
What is an uber jar?
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Strange... I am a german and of course know the word "über" and the meaning. But why is it used here in the Maven context? This case it means that one or more things are gathered together and is accessbile via the generated jar. Unfortunateley this hint didn't so...
In Python, how do I read the exif data for an image?
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For Python3.x and starting Pillow==6.0.0, Image objects now provide a getexif() method that returns <class 'PIL.Image.Exif'> or None if the image has no EXIF data.
From Pillow 6.0.0 release notes:
getexif() has been added, which returns an Exif instance. Values can
be retri...
How do I make Vim do normal (Bash-like) tab completion for file names?
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This used to be working in the past (gVim/ubuntu) but now it does not (macvim8.x/macOS). See example. Any ideas?
– Paschalis
Dec 21 '16 at 19:19
1
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Append an element with fade in effect [jQuery]
... was still being manipulated (which no browser currently does as far as I know), there wouldn't be any flash of the content before it started fading in. Again, not really important.
– icktoofay
Jan 14 '11 at 3:15
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How to create our own Listener interface in android?
...g reference to the MyButton... is java garbage collector clever enough to know that both the listener and the MyButton should be cleaned up if there are no references to the listener left other than from the MyButton? You could use a WeakReference<> in this case, but then you cant make the lis...
How to find out how many lines of code there are in an Xcode project?
...t. It also provides other interesting statistics so is worth a run for fun now and then.
Note that it will not look inside real folders, though it will look in groups. Odds are you aren't using real folders so it'll work great. If you are using folders then you just have to do the count in each fol...