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Determining complexity for recursive functions (Big O notation)
... tree. Once you have the recursive tree:
Complexity = length of tree from root node to leaf node * number of leaf nodes
The first function will have length of n and number of leaf node 1 so complexity will be n*1 = n
The second function will have the length of n/5 and number of leaf nodes again ...
Favorite Django Tips & Features?
...ttings.py
import os
PROJECT_DIR = os.path.dirname(__file__)
...
STATIC_DOC_ROOT = os.path.join(PROJECT_DIR, "static")
...
TEMPLATE_DIRS = (
os.path.join(PROJECT_DIR, "templates"),
)
Credits: I got this tip from the screencast 'Django From the Ground Up'.
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“Auto Layout still required after executing -layoutSubviews” with UITableViewCell subclass
.... I think the problem is the custom view that UITableViewCell uses as its root view can't use auto layout because it overrides layoutSubviews (so when you try to add constraints to the root view, it will fail)
– borrrden
Oct 18 '12 at 5:29
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How to check if an activity is the last one in the activity stack for an application?
... selected answer is a hack. One should do it the right way using the isTaskRoot() method.
– Sufian
Apr 2 '14 at 6:17
@...
Properties file in python (similar to Java Properties)
...gFile.properties
[DatabaseSection]
database.dbname=unitTest
database.user=root
database.password=
For more functionality, read: https://docs.python.org/2/library/configparser.html
share
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improve...
Linq to Objects: does GroupBy preserve order of elements?
...her fields than the group key, you saved my day with your comment. LINQ to MySql sorts the groups automagically by the group key! I've had to use ToList to bring the ordered query to local objects, then group over that. Thank you.
– Ivan Ferrer Villa
Dec 3 '19 ...
How to find topmost view controller on iOS
...
iOS 4 introduced the rootViewController property on UIWindow:
[UIApplication sharedApplication].keyWindow.rootViewController;
You'll need to set it yourself after you create the view controller though.
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Where can I find php.ini?
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Use the following commands to find the php.ini file path in linux.
[root@AnyDirectory ~]# locate php.ini
/etc/php.ini
/etc/php.ini.rpmnew
/usr/share/doc/php-common-5.4.45/php.ini-development
/usr/share/doc/php-common-5.4.45/php.ini-production
or try this another way
[root@AnyDirectory ~]...
How to upgrade all Python packages with pip?
... a REALLY long time… and gives you a bunch of new stuff! PS: Run it as root if you're on OS X!
– Alex Gray
Dec 31 '11 at 4:13
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PyLint “Unable to import” error - how to set PYTHONPATH?
...ule, like this:
[MASTER]
init-hook='import sys; sys.path.append("/path/to/root")'
(Or in other version of pylint, the init-hook requires you to change [General] to [MASTER])
Both of these options ought to work.
Hope that helps.
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