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Is there a JSON equivalent of XQuery/XPath?
...would be:
.[0].objects | .. | objects | select(.id==3)
where "|" is the pipe-operator (as in command shell pipes), and where the segment ".. | objects" corresponds to "no matter where the object may be".
The basics of jq are largely obvious or intuitive or at least quite simple, and most of the ...
Selenium: FirefoxProfile exception Can't load the profile
...profile_path(self.profile.path)
with:
from subprocess import Popen, PIPE
proc = Popen(['cygpath','-d',self.profile.path], stdout=PIPE, stderr=PIPE)
stdout, stderr = proc.communicate()
path = stdout.split('\n', 1)[0]
self._start_from_profile_path(path)
#self._start_from_pr...
jQuery deferreds and promises - .then() vs .done()
...e( doneCallback ).fail( failCallback )
As of 1.8, then() is an alias for pipe() and returns a new promise, see here for more information on pipe().
success() and error() are only available on the jqXHR object returned by a call to ajax(). They are simple aliases for done() and fail() respectively...
Colorized grep — viewing the entire file with highlighted matches
I find grep 's --color=always flag to be tremendously useful. However, grep only prints lines with matches (unless you ask for context lines). Given that each line it prints has a match, the highlighting doesn't add as much capability as it could.
...
Need to ZIP an entire directory using Node.js
...ed.');
});
archive.on('error', function(err){
throw err;
});
archive.pipe(output);
// append files from a sub-directory and naming it `new-subdir` within the archive (see docs for more options):
archive.directory(source_dir, false);
archive.finalize();
...
Match two strings in one line with grep
... Odd. I expected the difference was in not grepping into file, but, if I pipe my method with your ls, I do get result that you don't: imgur.com/8eTt3Ak.png - Both on both OS-X 10.9.5 ("grep (BSD grep) 2.5.1-FreeBSD") and FreeBSD 10 ("grep (GNU grep) 2.5.1-FreeBSD"). I'm curious what's your grep -V...
How to execute file I'm editing in Vi(m)
... function. To open a new window with a new buffer, use :new or :vnew. To pipe the output from a command into the current buffer, use :.! . Putting it all together:
:let f=expand("%")|vnew|execute '.!ruby "' . f . '"'
obviously replacing ruby with whatever command you want. I used execute so...
Command-line Unix ASCII-based charting / plotting tool
...ile gnuplot is powerful, it's also really irritating when you just want to pipe in a bunch of points and get a graph.
Thankfully, someone created eplot (easy plot), which handles all the nonsense for you.
It doesn't seem to have an option to force terminal graphs; I patched it like so:
--- eplot....
Bash: infinite sleep (infinite blocking)
...
This doesn't work if you don't have a hanging pipe from which to read. Please advise.
– Matt Joiner
Dec 2 '11 at 2:43
2
...
Timing a command's execution in PowerShell
...d
Example
Measure-Command { <your command here> | Out-Host }
The pipe to Out-Host allows you to see the output of the command, which is
otherwise consumed by Measure-Command.
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impro...