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Rails 3 - can't install pg gem
...t install libpq-dev
Then
gem install pg
then
bundle install
src: http://wikimatze.de/installing-postgresql-gem-under-ubuntu-and-mac
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How to limit setAccessible to only “legitimate” uses?
...writing a web-application that only interfaces with people and systems via HTTP and you control the application server, it's also not a concern. Sure the fellow coders at your company may create code that breaks your singleton pattern, but only if they really want to.
If your future job is writing ...
How do I change the data type for a column in MySQL?
...
http://dev.mysql.com/doc/refman/5.1/en/alter-table.html
ALTER TABLE tablename MODIFY columnname INTEGER;
This will change the datatype of given column
Depending on how many columns you wish to modify it might be best to gene...
How to check a radio button with jQuery?
...
Try This:
$("input[name=type]").val(['1']);
http://jsfiddle.net/nwo706xw/
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Deny access to one specific folder in .htaccess
...3 ^/folder/?$
This will return a 403 forbidden error for the folder ie : http://example.com/folder/ but it doest block access to files and folders inside that folder, if you want to block everything inside the folder then just change the regex pattern to ^/folder/.*$ .
Another option is mod-rewri...
How to find a hash key containing a matching value
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According to ruby doc http://www.ruby-doc.org/core-1.9.3/Hash.html#method-i-key key(value) is the method to find the key on the base of value.
ROLE = {"customer" => 1, "designer" => 2, "admin" => 100}
ROLE.key(2)
it will return the "de...
gdb split view with code
...To see both source and assembly
Press 'CTRL' 'X' together and then '2'
http://www.cs.fsu.edu/~baker/ada/gnat/html/gdb_23.html
A screen shot of the view with code and assembly.
Also check out this amazing Github project.
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How to sort an array based on the length of each element?
...cript as you asked:
[the solution of the problem by bubble sort][1]
[1]: http://jsfiddle.net/sssonline2/vcme3/2/enter code here
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Creating an API for mobile applications - Authentication and Authorization
...I think this was because the platform I was targeting had bad support for SHTTP). If you trust the transport layer you may be able to make other trade-offs.
– Michael Anderson
Oct 12 '15 at 1:02
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Programmatically go back to the previous fragment in the backstack
...agmentManager().popBackStack() methods (there are several to choose from)
http://developer.android.com/reference/android/app/FragmentManager.html#popBackStack()
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