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How do HashTables deal with collisions?
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If chaining is used, when given a key, how do we know which item to get back?
– ChaoSXDemon
Oct 10 '15 at 4:04
1
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iOS 7: UITableView shows under status bar
... and drag both the dataSource and the delegate to your ViewController.
Now for the part of not clipping into the status bar.
Grab the top edge of your Table View and move it down to one of the dashed blue auto-layout guides that are near the top
Now, you can control drag from the Table Vi...
Automatic Preferred Max Layout Width is not available on iOS versions prior to 8.0
...e as marking
explicit and setting the value 0.
Update 1:
This bug has now been fixed in Xcode 6 GM.
Original Answer
This is a bug in Xcode6-Beta6 and XCode6-Beta7 and can be safely ignored for now.
An Apple engineer in the Apple Developer forums had this to say about the bug:
Preferred ma...
What reason is there to use null instead of undefined in JavaScript?
I've been writing JavaScript for quite a long time now, and I have never had a reason to use null . It seems that undefined is always preferable and serves the same purpose programmatically. What are some practical reasons to use null instead of undefined ?
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Algorithm to detect intersection of two rectangles?
...nt.x - v(n-1).x) +
rotated.y * (testpoint.y - v(n-1).y);
Now test all points of rectangle A against the edges of rectangle B and vice versa. If you find a separating edge the objects don't intersect (providing all other points in B are on the other side of the edge being tested for...
Xcode 4, Core Data Model Version - Set Current Version
... *.xcdatamodeld file that contains both *.xcdatamodel files.
Xcode should now recognize the relationships and allow you to expand the *.xcdatamodeld file in the project navigator to show both *.xcdatamodel files under the parent xcdatamodeld bundle, also showing a green checkmark next to the curren...
Cross cutting concern example
...presenting single and specific functionality for primary requirements are known as core concerns.
OR
Primary functionlity of the system is knows as core concerns.
For example: Business logic
The concerns representing functionalities for secondary requirements are referred to as crosscutting concerns...
Using logging in multiple modules
...
And in your main module :
#main
import logging
# load my module - this now configures the logger
import my_module
# This will now disable the logger in my module by default, [see the docs][1]
logging.config.fileConfig('logging.ini')
my_module.foo()
bar = my_module.Bar()
bar.bar()
Now the lo...
Flask-SQLAlchemy how to delete all rows in a single table
... a similar kind of a situation. Say there are 4 records in the table as of now, from id 1 to 4. When I do a db.session.query(Table_name).delete() db.session.commit() and then if I do a db.session.add() again to add new records, the next record gets an id of 5. Since my table is now empty, I want my ...
What is the best way to get all the divisors of a number?
...ad of n/2.
I will give you example so that you can understand it easily. Now the sqrt(28) is 5.29 so ceil(5.29) will be 6. So I if I will stop at 6 then I will can get all the divisors. How?
First see the code and then see image:
import math
def divisors(n):
divs = [1]
for i in xrange(2,...