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How to recursively find the latest modified file in a directory?
...might be hard for sort to keep everything in memory.
%T@ gives you the modification time like a unix timestamp, sort -n sorts numerically, tail -1 takes the last line (highest timestamp), cut -f2 -d" " cuts away the first field (the timestamp) from the output.
Edit: Just as -printf is probably GNU...
Rails - Nested includes on Active Records?
...ieve the following should work for you.
Event.includes(users: :profile)
If you want to include an association (we'll call it C) of an already included association (we'll call it B), you'd use the syntax above. However, if you'd like to include D as well, which is also an association of B, that's ...
Move window between tmux clients
I'm just learning tmux and I have no experience with screen. I'm wondering if I can move a window in one tmux client to another tmux client. I want to move my IRC client to a new window on my screen.
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Redirect to named url pattern directly from urls.py in django?
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If you are on Django 1.4 or 1.5, you can do this:
from django.core.urlresolvers import reverse_lazy
from django.views.generic import RedirectView
urlpatterns = patterns('',
url(r'^some-page/$', RedirectView.as_view(url=...
In Gradle, is there a better way to get Environment Variables?
... Be aware that "$System.env.FOO" returns String with value "null", if the environment variable FOO is not defined as a system environment variable. It might be confusing since logging a String with value "null" to console will print the same output as null variable.
– ...
How do I create a round cornered UILabel on the iPhone?
Is there a built in way to create round-cornered UILabels? If the answer is no, how would one go about creating such an object?
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What's the meaning of Base SDK, iOS deployment target, Target, and Project in xcode
... deployment target, except that base sdk >= deployment target.
You specify build settings on 2 levels as each project can have multiple targets and you might not want the same settings for all targets. The project-level settings override the default settings and the target-level settings overri...
How to use enum values in f:selectItem(s)
...t possible to make the f:selectItem more flexible considering what happens if the order of the enums changes, and if the list was large? And could I do this better? And is it possible to automatically "select" the item that the question have?
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Backwards migration with Django South
...atabase tables to decide which ones are 'new').
However, you can also specify any migration by number, and South will migrate your database, either forward or backward, to take it to that point. So, with the example files above, if you have already migrated up to 0003, and you wanted to run 0003 in...
OO Design in Rails: Where to put stuff
...e huge ActiveRecord subclasses and huge controllers is quite natural (even if you do use a controller per resource). If you were to create deeper object worlds, where would you put the classes (and modules, I suppose)? I'm asking about views (in the Helpers themselves?), controllers and models.
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