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Is there a difference between using a dict literal and a dict constructor?
...essage if the number of keys exceeds 256.
I prefer using the dict literal now.
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Practical uses of different data structures [closed]
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@TonyL. I know this is an older question, but I believe 2 stacks are used or Undo/Redo. When you undo an action it is popped off the action stack and placed on the Redo Stack. If you redo, you then pop it off the Redo Stack and push it ...
How to calculate an angle from three points? [closed]
... answer, I posted before thinking my problem through. I got it figured out now, though.
– nicoco
Sep 28 '17 at 15:11
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Why do you have to call .items() when iterating over a dictionary in Python?
...hen would you ever write a condition like this?
if (key, value) in dict:
Now it's not necessary that the in operator and for ... in operate over the same items. Implementation-wise they are different operations (__contains__ vs. __iter__). But that little inconsistency would be somewhat confusing ...
What is the difference between memoization and dynamic programming?
...recurses down to solve the sub-problems).
A good slide from here (link is now dead, slide is still good though):
If all subproblems must be solved at least once, a bottom-up dynamic-programming algorithm usually outperforms a top-down memoized algorithm by a constant factor
No overhe...
What is the difference between Serialization and Marshaling?
I know that in terms of several distributed techniques (such as RPC), the term "Marshaling" is used but don't understand how it differs from Serialization. Aren't they both transforming objects into series of bits?
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NOT IN vs NOT EXISTS
...he following plan.
When the column changes to NULL-able the NOT IN plan now looks like
It adds an extra inner join operator to the plan. This apparatus is explained here. It is all there to convert the previous single correlated index seek on Sales.SalesOrderDetail.ProductID = <correlated_p...
error: default argument given for parameter 1
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Now it says: string Money::asString()' does not match any in class `Money'
– pocoa
Mar 30 '10 at 13:58
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Is there a way to simulate the C++ 'friend' concept in Java?
...real so that the runtime will throw a NullPointerException if it is null.
Now boys :
package montague;
import capulet.Juliet;
public class Romeo {
public static final class Love { private Love() {} }
private static final Love love = new Love();
public static void cuddleJuliet() {
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How do you loop through each line in a text file using a windows batch file?
I would like to know how to loop through each line in a text file using a Windows batch file and process each line of text in succession.
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