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Is git's semi-secret empty tree object reliable, and why is there not a symbolic name for it?

... c4d9986f5f ("sha1_object_info: examine cached_object store too", 2011-02-07, Git v1.7.4.1). Note, you will see that SHA1 pop up on some GitHub repo when the author wants its first commit to be empty (see blog post "How I initialize my Git repositories"): $ GIT_AUTHOR_DATE="Thu, 01 Jan 1970 ...
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How to run only one task in ansible playbook?

... 257 You should use tags: as documented in http://docs.ansible.com/playbooks_tags.html If you have...
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What is “lifting” in Scala?

... oxbow_lakesoxbow_lakes 127k5252 gold badges305305 silver badges442442 bronze badges ...
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UIView's frame, bounds, center, origin, when to use what?

... | edited May 23 '17 at 12:03 Community♦ 111 silver badge answered Jul 8 '09 at 10:02 ...
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How to send commands when opening a tmux session inside another tmux session?

... 207 The send-prefix command can be used to send your prefix keystroke to (the process running in) th...
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How exactly do Django content types work?

...: author = models.ForeignKey(User) title = models.CharField(max_length=75) slug = models.SlugField(unique=True) body = models.TextField(blank=True) class Picture(models.Model): author = models.ForeignKey(User) image = models.ImageField() caption = models.TextField(blank=True) class C...
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For files in directory, only echo filename (no path)

... 167 If you want a native bash solution for file in /home/user/*; do echo "${file##*/}" done The...
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Difference between validate(), revalidate() and invalidate() in Swing GUI

... 67 invalidate() marks the container as invalid. Means the content is somehow wrong and must be re-l...
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What is PEP8's E128: continuation line under-indented for visual indent?

... 487 PEP-8 recommends you indent lines to the opening parentheses if you put anything on the first li...
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What is the best django model field to use to represent a US dollar amount?

... 170 A decimal field is the right choice for the currency value. It will look something like: cr...