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What does OSGi solve?
...dles and communicate through well defined services. Hiding internals means more freedom to change later. This not only reduces the number of bugs, it also makes bundles simpler to develop because correctly sized bundles implement a piece of functionality through well defined interfaces. There is an ...
How do I wrap text in a pre tag?
... white-space:pre-line; (and all browser compatible flavors) seems more adequate in some cases (without tabs for instance) as it takes away the space at the beginning of the line (if there are some)
– MediaVince
Nov 24 '16 at 11:59
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REST API Best practices: Where to put parameters? [closed]
...t then, but for different reasons. Calling it "page" is technically wrong. More semantically correct would be to call it "from" or "startAt"
– Tor Valamo
Oct 24 '14 at 19:50
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Using jQuery to test if an input has focus
... can cause false positives. See stackoverflow.com/questions/967096/… for more information (thanks to Ben Alman and Diego Perini).
– Mathias Bynens
Mar 22 '11 at 13:01
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Why does PostgreSQL perform sequential scan on indexed column?
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If the SELECT returns more than approximately 5-10% of all rows in the table, a sequential scan is much faster than an index scan.
This is because an index scan requires several IO operations for each row (look up the row in the index, then ret...
How do you remove all the options of a select box and then add one option and select it with jQuery?
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Is Meyers' implementation of the Singleton pattern thread safe?
...scusses thread safe implementations of the pattern, and the conclusion is, more or less, that (in C++03) full locking around the instantiating method is basically the simplest way to ensure proper concurrency on all platforms, while most forms of double-checked locking pattern variants may suffer fr...
heroku - how to see all the logs
...il the logs live
heroku logs -t
Heroku log documentation
If you need more than a few thousand lines you can Use heroku's Syslog Drains
Alternatively (old method):
$ heroku run rails c
File.open('log/production.log', 'r').each_line { |line| puts line }
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unix - head AND tail of file
...first 10 lines of its input, there is no guaranteed that it didn't consume more of it in order to find the 10th line ending, leaving less of the input for less to display.
– chepner
Feb 12 '16 at 16:58
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Pipe output and capture exit status in Bash
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