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How to make the 'cut' command treat same sequental delimiters as one?
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Try:
tr -s ' ' <text.txt | cut -d ' ' -f4
From the tr man page:
-s, --squeeze-repeats replace each input sequence of a repeated character
that is listed in SET1 with a single occurrence
of that character
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How does @synchronized lock/unlock in Objective-C?
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324
The Objective-C language level synchronization uses the mutex, just like NSLock does. Semantical...
npm install vs. update - what's the difference?
...nores "1.0" -> "1.1"
"already-installed-semver-module": "^1.4.3" // ignores "1.4.3" -> "1.5.2"
"already-installed-versioned-module": "3.4.1" // ignores ignores
"not-yet-installed-versionless-module": "*", // installs installs
"not-yet-installed-semver-modu...
Static classes and methods in coffeescript
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edited Feb 1 '12 at 4:50
answered Feb 1 '12 at 4:17
m...
Disable Maven warning message - “Selected war files include a WEB-INF/web.xml which will be ignored”
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edited Jan 15 '16 at 16:49
Виталий Олегович
3,06555 gold badges2727 silver badges4545 bronze badges
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Is 0 a decimal literal or an octal literal?
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Yes, 0 is an Octal literal in C++.
As per the C++ Standard:
2.14.2 Integer literals [lex.icon]
integer-literal:
decimal-literal integer-suffixopt
octal-literal integer-suffixopt
hexadecimal-literal integer-suffixopt
decimal-literal:
nonzero-digit
decima...
dplyr summarise: Equivalent of “.drop=FALSE” to keep groups with zero length in output
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4 Answers
4
Active
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How to remove a field from params[:something]
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214
Rails 4/5 - edited answer
(see comments)
Since this question was written newer versions of Rail...
What are type lambdas in Scala and what are their benefits?
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4 Answers
4
Active
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what is the right way to treat Python argparse.Namespace() as a dictionary?
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400
You can access the namespace's dictionary with vars():
>>> import argparse
>>&...