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Android phone orientation overview including compass
I've been trying to get my head around the Android orientation sensors for a while.
I thought I understood it. Then I realised I didn't. Now I think (hope) I have a better feeling for it again but I am still not 100%. I will try and explain my patchy understanding of it and hopefully people will be ...
JavaScript regex multiline flag doesn't work
...is highly recommended to use the *? quantifier instead of * in order to avoid greediness. This will avoid catching the last <h1> of the document: that's probably not what you want and that's not efficient as the regexp will continue to look for <h1> until the end of the string even if it...
Simulate airplane mode in iPhone Simulator
...em layer, to restrict an app from talking to the network. Unix doesn't provide that; it would almost certainly need kernel support to get it. You could do it more easily for NSURLConnection and its kin, but it could be more confusing if some calls work and some don't.
– Rob Nap...
Float vs Decimal in ActiveRecord
... This clue helped me. Thanks for that!
– Babajide M. Moibi
Jul 15 at 14:58
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ElasticSearch - Return Unique Values
...and shard_size=0, to make sure you get all values. See elasticsearch.org/guide/en/elasticsearch/reference/current/…
– Dror
Dec 23 '14 at 14:02
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How can I tell Rails to use RSpec instead of test-unit when creating a new Rails app?
...er and I just made a rails flag (-rspec) to address OP's problem. It gets rid of Test::Unit and inserts the rails-rspec gem with a bash script. The script can be modified to help linux developers by automatically adding therubyracer gem or create custom flags and gemsets. (maybe specifically going t...
How do I move an existing window to a new tab?
...n normal mode) to hit Ctrl-W Shift-T. Ctrl-W is the general prefix for a wide variety of window manipulation commands.
See:
:help Ctrl-W_T
:help Ctrl-W
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mkdir's “-p” option
...r request, not returning any error in case that directory exists.
About rlidwka, Google has a very good memory for acronyms :). My search returned this for example: http://www.cs.cmu.edu/~help/afs/afs_acls.html
Directory permissions
l (lookup)
Allows one to list the contents of a directory. ...
What does the slash mean in help() output?
...ked this question myself. :) Found out that / was originally proposed by Guido in here.
Alternative proposal: how about using '/' ? It's kind of the opposite
of '*' which means "keyword argument", and '/' is not a new character.
Then his proposal won.
Heh. If that's true, my '/' proposal...
Java Persistence / JPA: @Column vs @Basic
... @Basic(optional) is (should be) checked on runtime by persistence provider before saving to DB. @Column is a column definition in database and is used for schema generation : stackoverflow.com/questions/2899073/…
– Piotr Gwiazda
Jun 16 '10 at 10:30
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