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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 ...
How to run only one task in ansible playbook?
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257
You should use tags: as documented in http://docs.ansible.com/playbooks_tags.html
If you have...
What is “lifting” in Scala?
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oxbow_lakesoxbow_lakes
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UIView's frame, bounds, center, origin, when to use what?
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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?
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207
The send-prefix command can be used to send your prefix keystroke to (the process running in) th...
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...
For files in directory, only echo filename (no path)
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167
If you want a native bash solution
for file in /home/user/*; do
echo "${file##*/}"
done
The...
Difference between validate(), revalidate() and invalidate() in Swing GUI
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67
invalidate() marks the container as invalid. Means the content is somehow wrong and must be re-l...
What is PEP8's E128: continuation line under-indented for visual indent?
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487
PEP-8 recommends you indent lines to the opening parentheses if you put anything on the first li...
What is the best django model field to use to represent a US dollar amount?
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170
A decimal field is the right choice for the
currency value.
It will look something like:
cr...