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How to print matched regex pattern using awk?
..., which by default is called a record, denoted by $0. At least read up the documentation.
If you only want to get print out the matched word.
awk '{for(i=1;i<=NF;i++){ if($i=="yyy"){print $i} } }' file
share
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Showing the same file in both columns of a Sublime Text window
When I have 2 columns set in a Sublime Text window, can I display the same file in both columns?
9 Answers
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How can I default a parameter to Guid.Empty in C#?
...ou are getting the error is because Empty is defined as:
public static readonly Guid Empty;
So, it is a variable, not a constant (defined as static readonly not as const). Compiler can only have compiler-known values as method parameters default values (not runtime-only-known).
The root cause is...
Can you autoplay HTML5 videos on the iPad?
... audio track).
To see a full list of these restrictions, see the official docs: https://webkit.org/blog/6784/new-video-policies-for-ios/
iOS 9 and before
As of iOS 6.1, it is no longer possible to auto-play videos on the iPad.
My assumption as to why they've disabled the auto-play feature?
We...
Difference between == and ===
In swift there seem to be two equality operators: the double equals ( == ) and the triple equals ( === ), what is the difference between the two?
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Enabling markdown highlighting in Vim
...MacBook Air with OS X Lion, and I can't seem to find a good plugin for Markdown syntax highlighting.
5 Answers
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How to return PDF to browser in MVC?
...is PDF dynamically, it may be better to use a MemoryStream, and create the document in memory instead of saving to file. The code would be something like:
Document document = new Document();
MemoryStream stream = new MemoryStream();
try
{
PdfWriter pdfWriter = PdfWriter.GetInstance(document, ...
How to write a bash script that takes optional input arguments?
...Classic Shell Scripting [O'Reilly] (shop.oreilly.com/product/9780596005955.do)
– Jubbles
Sep 23 '14 at 20:36
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bundler vs RVM vs gems vs RubyGems vs gemsets vs system ruby [closed]
... Based on your Gemfile, a simple call to bundler using bundle install will download and install all the required gems. Using standard gem command, you would have to install each of them manually, using gem install <gem_name>. Bundler is not part of Ruby (it is itself packaged as a gem), but it...
How to output git log with the first line only?
...f the commit message.
I found out that git log --pretty=short should do the trick but on my computer it shows the full log as git log does (besides the time stamp).
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