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How to tell if UIViewController's view is visible
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1109
The view's window property is non-nil if a view is currently visible, so check the main view in...
How to read a file without newlines?
...not already present
f.write('\n')
f.flush()
f.seek(0)
lines = [line[:-1] for line in f]
Or a simpler alternative is to strip the newline instead:
[line.rstrip('\n') for line in file]
Or even, although pretty unreadable:
[line[:-(line[-1] == '\n') or len(line)+1] for...
To Workflow or Not to Workflow?
...nd business workflows and we are looking at using Windows Workflow (.NET 4.0).
8 Answers
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Set up a scheduled job?
...ter version of windows the at command is deprecated for Windows 8, Server 2012 and above. You can use schtasks.exe for same use.
**** UPDATE ****
This the new link of django doc for writing the custom management command
sha...
How to load db:seed data into test database automatically?
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120
The db:seed rake task primarily just loads the db/seeds.rb script. Therefore just execute that f...
How do I return early from a rake task?
... |
edited Jun 19 '10 at 7:25
pupeno
246k110110 gold badges310310 silver badges500500 bronze badges
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Android ListView with different layouts for each row
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edited Apr 20 '15 at 12:47
Atul Bhardwaj
6,17855 gold badges3838 silver badges5959 bronze badges
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Python (and Python C API): __new__ versus __init__
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edited Jan 24 '13 at 10:12
answered Feb 1 '11 at 5:16
n...
Run a single migration file
...irectly out of the ruby file:
rails console
>> require "db/migrate/20090408054532_add_foos.rb"
>> AddFoos.up
Note: newer versions of rails may require AddFoos.new.up rather than AddFoos.up.
An alternative way (without IRB) which relies on the fact that require returns an array of cla...
Does a javascript if statement with multiple conditions test all of them?
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answered Dec 18 '09 at 20:28
Anon.Anon.
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