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How to list all methods for an object in Ruby?
...loadable?", "update", "reset_sequence_name", "default_timezone=",
"validate_find_options", "find_on_conditions_without_deprecation",
"validates_size_of", "execute_simple_calculation", "attr_protected",
"reflections", "table_name_prefix", ...
Note that methods is a method for Classes...
How to upgrade PowerShell version from 2.0 to 3.0
...load and install from http://www.microsoft.com/en-us/download/details.aspx?id=34595. You need Windows 7 SP1 though.
It's worth keeping in mind that PowerShell 3 on Windows 7 does not have all the cmdlets as PowerShell 3 on Windows 8. So you may still encounter cmdlets that are not present on your ...
Random string generation with upper case letters and digits
...e:
>>> import string
>>> import random
>>> def id_generator(size=6, chars=string.ascii_uppercase + string.digits):
... return ''.join(random.choice(chars) for _ in range(size))
...
>>> id_generator()
'G5G74W'
>>> id_generator(3, "6793YUIO")
'Y3U'
Ho...
PreparedStatement with list of parameters in a IN clause [duplicate]
...10, 40, 160, 800. The rest is filled with either zero (zero is not used as ID, usually) or any of the given parameters. This reduces the amount of prepared statements stored in DB's cache.
– Vlasec
Jan 30 '15 at 9:06
...
Rotation methods deprecated, equivalent of 'didRotateFromInterfaceOrientation'?
...n methods have been deprecated). I'd like to know what the equivalent of didRotateFromInterfaceOrientation is now as there are a number of clean up tasks we need to perform and I can't see a block that we can assign to UIViewControllerTransitionCoordinator in order to be called when 'transition'...
Joining three tables using MySQL
...
Simply use:
select s.name "Student", c.name "Course"
from student s, bridge b, course c
where b.sid = s.sid and b.cid = c.cid
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how to set radio option checked onload with jQuery
...f a DOM element it is supposed to be a boolean, like, document.getElementById('x').checked = true; - so I went with that.
– Paolo Bergantino
May 15 '09 at 22:37
...
Can I get the name of the current controller in the view?
...
In the Rails Guides, it says:
The params hash will always contain the :controller and :action keys, but you should use the methods controller_name and action_name instead to access these values
ActionController Parameters
So let's s...
How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar
...n about incorrect number of sections or rows in sections.
Here is what I did: I have two FRCs available as properties fetchedResultsController and searchFetchedResultsController. The searchFetchedResultsController should not be used unless there is a search (when the search is canceled you can see...
Unioning two tables with different number of columns
...he use of * as column list specifier. This type of errors can be easily avoided by entering the column list explicitly:
select col_a, col_b, col_c from test1_1790
union all
select col_a, col_b, col_c from test2_1790;
A more frequent scenario for this error is when you inadvertently swap (or shift) ...