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Git diff to show only lines that have been modified
...33\[3[12]m'
Explanation:
The git diff --color is needed to prevent git from disabling the color when it is piping.
The grep --color=never is to prevent grep removing the original color and highlighting the matched string.
We are matching for lines that start with red (\e[31m) or green (\e[32m) e...
Getting “bytes.Buffer does not implement io.Writer” error message
...ctly.
}
using passed by value, the passed new buffer struct is different from the origin buffer variable.
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regex for zip-code
...tion I made that was helpful for one of my projects.
In a previous answer from @kennytm:
^\d{5}(?:[-\s]\d{4})?$
…? = The pattern before it is optional (for condition 1)
If you want to allow both standard 5 digit and +4 zip codes, this is a great example.
To match only zip codes in the US...
Vim Insert Mode on Mac OS X
...ou are absolutely right. However, I am not sure everybody knows. As I came from the Windows background, I knew how to enter the replace-mode with Insert earlier than R.
– Yongwei Wu
Aug 17 '16 at 14:43
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Checking whether a variable is an integer or not [duplicate]
...r object should have (adding? multiplying? doubling?) by making it inherit from a specially-constructed class. That would be the best solution, since it will permit exactly those objects with the necessary and sufficient attributes, but you will have to read the docs on how to use it.
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What is the 'cls' variable used for in Python classes?
...he same concept as static member and non-static members in java if you are from java background.
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Why is MySQL's default collation latin1_swedish_ci?
...swedish. However, the accepted answer seems a more plausible explanation, from a social perspective, for why swedish was chosen in particular.
– Alan
Jul 21 '11 at 19:30
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What is the “-d” in “npm -d install”?
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In case anyone else ends up here from a web search, the -d flag is not the same as the upper-case -D, the latter being a flag synonym for --save-dev.
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Creating an empty file in Ruby: “touch” equivalent?
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If you are worried about file handles:
File.open("foo.txt", "w") {}
From the docs:
If the optional code block is given, it will be passed the opened file
as an argument, and the File object will automatically be closed when
the block terminates.
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Using System.Dynamic in Roslyn
...ees: new[] {tree},
references: new[] {
MetadataReference.CreateFromFile(typeof(object).Assembly.Location),
MetadataReference.CreateFromFile(typeof(ExpandoObject).Assembly.Location),
MetadataReference.CreateFromFile(Assembly.Load(new AssemblyName("Microsoft.CSharp")).Locat...