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Git Tag list, display commit sha1 hashes
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146
To get git tags with the SHA1 hash of the Tag object, you can run:
git show-ref --tags
The ...
SQL multiple column ordering
...ng to sort by multiple columns in SQL, and in different directions. column1 would be sorted descending, and column2 ascending.
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How does IPython's magic %paste work?
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138
You can't copy to IPython directly. This are the steps:
Copy the lines you want to copy into...
Remove a character from the end of a variable
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Use
target=${1%/}
A reference.
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How to cancel a pull request on github?
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132
GitHub now supports closing a pull request
Basically, you need to do the following steps:
Vis...
How to check whether a file or directory exists?
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190
// exists returns whether the given file or directory exists
func exists(path string) (bool, e...
Does Qt support virtual pure slots?
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164
Yes, just like regular c++ pure virtual methods. The code generated by MOC does call the pure ...
BigDecimal - to use new or valueOf
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164
Those are two separate questions: "What should I use for BigDecimal?" and "What do I do in gen...
What does the “-U” option stand for in pip install -U
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