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Pry: show me the stack
...(method, *args)>
#2 [method] process_action <AbstractController::Base#process_action(method_name, *args)>
#3 [method] process_action <ActionController::Rendering#process_action(*arg1)>
<... clipped ...>
[2] pry(#<PostsController>)> up
Frame number: 1/64
Frame ...
RabbitMQ and relationship between channel and connection
... is doing something similar to what I programmed my client to do (mine was based off the .Net client, but heavily modified).
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OS X Bash, 'watch' command
...n implementing your solution! :)
If your real goal is to trigger actions based on what's seen from the tail command, then you can do that as part of the tail itself. Instead of running "periodically", which is what watch does, you can run your code on demand.
#!/bin/sh
tail -F /var/log/somelogf...
How to get instance variables in Python?
...Carl: Please educate yourself before writing false comments and downvoting based your lack of knowledge.
– nikow
May 6 '09 at 19:28
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How to set thousands separator in Java?
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This should work (untested, based on JavaDoc):
DecimalFormat formatter = (DecimalFormat) NumberFormat.getInstance(Locale.US);
DecimalFormatSymbols symbols = formatter.getDecimalFormatSymbols();
symbols.setGroupingSeparator(' ');
formatter.setDecimalFo...
Converting a UNIX Timestamp to Formatted Date String
...amps do not contain timezone offsets. date and gmdate's output will differ based on the TZ variable (on *nix at least)
– Gert van den Berg
May 3 '16 at 14:05
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What Does 'Then' Really Mean in CasperJS
...cuted.
As of CasperJS 1.0.0-RC4, a flaw exists, where, under certain time-based circumstances, the "try to do next step" method will be triggered before CasperJS had the time to raise either one of the loadInProgress or navigationRequested flags. The solution is to raise one of those flags before ...
Using CSS to affect div style inside iframe
...n control it, if not, you're locked out. This prevents all kinds of Iframe-based page hijacking.
– Diodeus - James MacFarlane
Dec 29 '09 at 16:08
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How do I run a rake task from Capistrano?
...that. In any case Capistrano 2.0 is a history and the next version is Rake based (making things more predictable hopefully)
– dolzenko
Oct 30 '13 at 8:42
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How to calculate the number of occurrence of a given character in each row of a column of strings?
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If you don't want to leave base R, here's a fairly succinct and expressive possibility:
x <- q.data$string
lengths(regmatches(x, gregexpr("a", x)))
# [1] 2 1 0
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