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How do I count unique values inside a list
...he user how many of those values are unique.
I'm building this for real life reasons and not as a problem set.
13 Answers...
Access-Control-Allow-Origin error sending a jQuery Post to Google API's
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I solved the Access-Control-Allow-Origin error modifying the dataType parameter to dataType:'jsonp' and adding a crossDomain:true
$.ajax({
url: 'https://www.googleapis.com/moderator/v1/series?key='+key,
data: myData,
type: 'GET',
crossDomain: true,
data...
How to set up a cron job to run an executable every hour?
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You're right. && is much better if there is a chance the cd target doesn't exist (for example if the diretory is on an NFS server that happens to be down).
– joast
Aug 13 '10 at 16:36
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Dynamic constant assignment
...are the same (for the moment, anyhow), the actual string object itself is different each time the method is called. For example:
def foo
p "bar".object_id
end
foo #=> 15779172
foo #=> 15779112
Perhaps if you explained your use case—why you want to change the value of a constant in a me...
Get value from SimpleXMLElement Object
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Just noticed if you json_encode the xml object and then json_decode it you get a nested stdObject to deal with, quite handy for when you're being lazy & working with simple structures :D
– Louis
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When you exit a C application, is the malloc-ed memory automatically freed?
... its resources anyway can be good practice for various reasons, such as:
If you have additional resources that are not cleaned up by the OS on exit, such as temporary files or any kind of change to the state of an external resource, then you will need code to deal with all of those things on exit,...
Do you use source control for your database items? [closed]
...First get src ctrl, then think about a tool.
– ulty4life
Oct 27 '10 at 22:42
1
There's a distribu...
Android Hello-World compile error: Intellij cannot find aapt
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If you're getting this and executing aapt directly also says file not found, you may be having a 64-bit issue: link
– Tomas
Jun 2 '13 at 7:07
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Deleting all records in a database table
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If you are looking for a way to it without SQL you should be able to use delete_all.
Post.delete_all
or with a criteria
Post.delete_all "person_id = 5 AND (category = 'Something' OR category = 'Else')"
See here for mor...
Do you debug C++ code in Vim? How? [closed]
...tween the three projects.
A few months ago I tried pyclewn. It was a bit difficult to set up, but it looks well though out and promising. I just did some tests and you could set bookmarks, etc., the usual stuff you would expect from a graphical debugger. I ended up not using it for contingent reaso...