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How to say “should_receive” more times in RSpec
...yntax also works. expect(Project).to have_received(:find).exactly(n).times etc.
– David Tuite
Sep 10 '14 at 22:25
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How can I get the current network interface throughput statistics on Linux/UNIX? [closed]
... RHEL/CentOS.
No need for priv, dorky binaries, hacky scripts, libpcap, etc. Win.
$ sar -n DEV 1 3
Linux 2.6.18-194.el5 (localhost.localdomain) 10/27/2010
02:40:56 PM IFACE rxpck/s txpck/s rxbyt/s txbyt/s rxcmp/s txcmp/s rxmcst/s
02:40:57 PM lo 0.00 0.00 ...
Differences between utf8 and latin1
...ing to store non-Latin characters like Chinese, Japanese, Hebrew, Russian, etc using Latin1 encoding, then they will end up as mojibake. You may find the introductory text of this article useful (and even more if you know a bit Java).
Note that full 4-byte UTF-8 support was only introduced in MySQL...
For loop for HTMLCollection elements
...ou were iterating it will retrieve the items in the list (indexes 0, 1, 2, etc...), but also will retrieve the length and item properties. The for/in iteration simply won't work for an HTMLCollection.
See http://jsfiddle.net/jfriend00/FzZ2H/ for why you can't iterate an HTMLCollection with for/i...
What is N-Tier architecture?
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It depends on how you count "tiers" (logical, physical, etc), but you can easily have more than 3 process involved to write an app. UI, UI platform (like Eclipse RCP), Web Services, BLL, DAL, Database, Authentication Services, Reporting Services, Analytical Services...
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In Maven 2, how do I know from which dependency comes a transitive dependency?
...re is a graphical version of dependency tree where you can filter by scope etc.
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how to make svn diff show only non-whitespace line changes between two revisions
...cenario and that has to be ignored with:
svn diff -x --ignore-eol-style [etc...]
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What is the difference between “Class.forName()” and “Class.forName().newInstance()”?
...ass.newInstance() is strongly discouraged. It's recommended to use Class.getConstructor(), followed by Constructor.newInstance() in turn. It avoids masking possible exceptions.
– L S
Mar 27 '13 at 14:57
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How is location accuracy measured in Android?
...here is no GPS signal in buildings and in areas with many big building and etc. But Android makes it a much easier. When you request a location, you just have to specify what accuracy do you need.
If you specify that you want an accuracy for an example *100 meters*, Android will try to get the loca...
Rails extending ActiveRecord::Base
...grouping. For example, a domain grouping is like 'Commentable', 'Taggable' etc. A technical based grouping will be like 'FinderMethods', 'ValidationMethods'.
Here is a link to a post that I found very useful for understanding concerns in Models.
Hope the writeup helps :)
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