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How update the _id of one MongoDB Document?
... @skelly! I happened to thinking about similar problems and saw your fresh comment made just 2 hours ago. So this modifying id hassle is considered as an intrinsic problem caused by allowing user to choose ID?
– RayLuo
Jun 2 '14 at 21:56
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One-line list comprehension: if-else variants
It's more about python list comprehension syntax. I've got a list comprehension that produces list of odd numbers of a given range:
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How do I edit an incorrect commit message with TortoiseGit?
How I can edit commit message with tortoiseGIT? The question is very similar to this but I want to do this with TortoiseGit not with console, is it possible?
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T-SQL Cast versus Convert
...e extended features, use CAST.
EDIT:
As noted by @beruic and @C-F in the comments below, there is possible loss of precision when an implicit conversion is used (that is one where you use neither CAST nor CONVERT). For further information, see CAST and CONVERT and in particular this graphic: SQL S...
Why does sys.exit() not exit when called inside a thread in Python?
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How to pip install a package with min and max version range?
...package>=0.2,<0.3" is a much better example, because it reflects the common case of saying: "please give me the latest bugfix release of the current minor version, but don't automatically upgrade me to the next minor version, because I would like to do that explicitly, making sure that there a...
Understanding colors on Android (six characters)
...k: An ARGB value is an int, effectively. See the docs at developer.android.com/reference/android/graphics/Color.html (find << in the page).
– Jon Skeet
Aug 13 '13 at 5:46
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What Makes a Method Thread-safe? What are the rules?
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Is git's semi-secret empty tree object reliable, and why is there not a symbolic name for it?
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git hash-object -t tree /dev/null
Or, as Ciro Santilli proposes in the comments:
printf '' | git hash-object --stdin -t tree
Or, as seen here, from Colin Schimmelfing:
git hash-object -t tree --stdin < /dev/null
So I guess it is safer to define a variable with the result of that command...