大约有 40,000 项符合查询结果（耗时：0.0582秒） [XML]
Rails formatting date
... the date. (http://ruby-doc.org/core-2.2.1/Time.html#method-i-strftime).
From APIdock:
%Y%m%d => 20071119 Calendar date (basic)
%F => 2007-11-19 Calendar date (extended)
%Y-%m => 2007-11 Calendar date, r...
How do I set a variable to the output of a command in Bash?
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Some Bash tricks I use to set variables from commands
Sorry, there is a loong answer, but there is more than one solution, shorter or quicker, more or less system friendly...
3rd Edit: 2020-09-05: About {fdname}<> syntax under bash See at top of bash features...
Git merge errors
... 9-sign-in-out
# Create a merge commit, which looks as if it's merging in from master, but is
# actually discarding everything from the master branch and keeping everything
# from 9-sign-in-out:
git merge -s ours master
# Switch back to the master branch:
git checkout master
# Merge the topic bra...
What is the difference between substr and substring?
... first argument, which can be negative for substr (in which case it starts from the end), but not for substring. See JefferMC answer, but it has so many less votes that a lot of people might miss this important part.
– youen
Jul 26 '17 at 19:46
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How to un-submodule a Git submodule?
...Could you please explain which part of the above commands causes the files from the submodule to end up in the subdirectory? Is it that you when you do the merge git brings in the file in the top level directory (with its history) but when you do the git add submodule_path it implicity does a git mv...
Is there a function that returns the current class/method name? [duplicate]
...n is expensive and is sometimes unnecessary. The question typically stems from an aversion to hard-coding the name - despite actually knowing it. But you can let the compiler handle it by using nameof(<MethodNameHere>) in place of the string. True, it doesn't save you from copy/paste errors...
Get environment variable value in Dockerfile
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ARG is available from docker v1.9 onwards.
– Synesso
May 20 '16 at 6:02
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How can I generate UUID in C#
... And you need formatting of the GUID as a string that is different from the default, you can use the ToString(string format) overload that accepts one of several format specifiers.
– Michiel van Oosterhout
Jun 3 '13 at 15:44
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How can I copy data from one column to another in the same table?
Is it possible to copy data from column A to column B for all records in a table in SQL?
3 Answers
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Using querySelector with IDs that are numbers
From what I understand the HTML5 spec lets you use IDs that are numbers like this.
5 Answers
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