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How to concatenate stdin and a string?
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use cat - to read from stdin, and put it in $() to throw away the trailing newline
echo input | COMMAND "$(cat -)string"
However why don't you drop the pipe and grab the output of the left side in a command substitution:
COMMAND "$(ec...
How to parse JSON using Node.js? [closed]
...s a global object JSON[docs].
Note - JSON.parse can tie up the current thread because it is a synchronous method. So if you are planning to parse big JSON objects use a streaming json parser.
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Why do indexes in XPath start with 1 and not 0?
... In it’s early history, RSS feeds (and the XML data they contained) were read by humans in the raw format. Blogs and other news sources used RSS feeds and XML to output continuously updated information. Since XML was being read by mere mortals (non-programmers), XPath and XSLT also needed to be ea...
Removing trailing newline character from fgets() input
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Any C runtime library that is thread aware (which is to say, most any that target a multi-threaded platform), strtok() will be thread safe (it will use thread local storage for the 'inter-call' state). That said, it's still generally better to use the non-s...
Go to particular revision
...the branch name. (See Treeishes in the Git Community Book, which is a good read, to see other options for navigating your tree.)
git log has a whole set of options to display detailed or summary history too.
I don't know of an easy way to move forward in a commit history. Projects with a linear hi...
Is there a good reason to use upper case for SQL keywords? [closed]
...-SQL lowercase with database object names MixedCase.
It is much easier to read, and literals and comments stand out.
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How can I delete a newline if it is the last character in a file?
...e whitespace characters other than trailing newlines.)
Since this approach reads the entire input file into memory, it is only advisable for smaller files.
printf %s ensures that no newline is appended to the output (it is the POSIX-compliant alternative to the nonstandard echo -n; see http://pubs.o...
Automatic counter in Ruby for each?
... loops, and then each_with_index to get the index.
You probably ought to read a Ruby book because this is fundamental Ruby and if you don't know it, you're going to be in big trouble (try: http://poignantguide.net/ruby/).
Taken from the Ruby source code:
hash = Hash.new
%w(cat dog wombat).each...
Synchronization vs Lock
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No I mean out of the 3: Thread.sleep/interrupt, Object.wait/notify, LockSupport.park/unpark, which is the most primitive?
– Pacerier
Mar 9 '12 at 1:43
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What is sr-only in Bootstrap 3?
...umentation, the class is used to hide information intended only for screen readers from the layout of the rendered page.
Screen readers will have trouble with your forms if you don't include a label for every input. For these inline forms, you can hide the labels using the .sr-only class.
Here...