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sed error: “invalid reference \1 on `s' command's RHS”
... variant 2:
-r -e "s/WARNING: (\([a-zA-Z0-9./\\ :-]\+\))/${warn}WARNING: \1${c_end}/g" \
(Note: untested)
Without the -r argument back-references (like \1) won't work.
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How to compare two dates?
...rt datetime, timedelta
>>> past = datetime.now() - timedelta(days=1)
>>> present = datetime.now()
>>> past < present
True
>>> datetime(3000, 1, 1) < present
False
>>> present - datetime(2000, 4, 4)
datetime.timedelta(4242, 75703, 762105)
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invalid target release: 1.7
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159
You need to set JAVA_HOME to your jdk7 home directory, for example on Microsoft Windows:
"C:...
How to loop through all but the last item of a list?
...
for x in y[:-1]
If y is a generator, then the above will not work.
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Does MSTest have an equivalent to NUnit's TestCase?
...a4b5", "345")]
[DataRow("3&amp;amp;5*", "35")]
[DataRow("123", "123")]
public void StripNonNumeric(string before, string expected)
{
string actual = FormatUtils.StripNonNumeric(before);
Assert.AreEqual(expected, actual);
}
}
Again, V...
[since C++11] std::array的使用 - C/C++ - 清泛网 - 专注C/C++及内核技术
[since C++11] std::array的使用learning-using-cpp11-stl-array 前言本文总结了STL中的序列式容器array的用法及注意事项。array的出现代表着C++的代码更进一步现代化，就像std::string的出现代替了c风格字符串并且能和STL配合工作一样，array的 #...
++someVariable vs. someVariable++ in JavaScript
...; // This will get array[0]
x = 0;
y = array[++x]; // This will get array[1]
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Moving matplotlib legend outside of the axis makes it cutoff by the figure box
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316
Sorry EMS, but I actually just got another response from the matplotlib mailling list (Thanks g...
What does the caret operator (^) in Python do?
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177
It's a bitwise XOR (exclusive OR).
It results to true if one (and only one) of the operands (...
How to match a String against string literals in Rust?
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101
You can do something like this:
match &stringthing[..] {
"a" => println!("0"),
...