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Git submodule head 'reference is not a tree' error
... e47c0a, but we can not “see” that commit. ce5d37c is suspect because, based on the diff, it introduced e47c0a.
– Chris Johnsen
Feb 18 '11 at 23:35
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How does the Java 'for each' loop work?
...'re almost equivalent, but with collections, iterator wins.
*This post is based on two answers I wrote on Stack Overflow:
Uses and syntax for for-each loop in Java
Should I use an Iterator or a forloop to iterate?
Some more information: Which is more efficient, a for-each loop, or an iterator?
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Passing arrays as parameters in bash
...owed there? -- This works, and all of these details seem to be needed based on my testing, but I would like to understand why!
– Jan Hettich
Nov 28 '10 at 2:31
8
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Is there a naming convention for MySQL?
...ce a naming convention for indexes - this will be a great help for any database metadata work that you might want to carry out. For example you might just want to call an index foo_bar_idx1 or foo_idx1 - totally up to you but worth considering.
Singular vs Plural Column Names
It might be a good id...
What is “the inverse side of the association” in a bidirectional JPA OneToMany/ManyToOne association
...tand:
public class Customer {
// This field doesn't exist in the database
// It is simulated with a SQL query
// "OO speak": Customer owns the orders
private List<Order> orders;
}
public class Order {
// This field actually exists in the DB
// In a purely OO mod...
Why hasn't functional programming taken over yet?
...ith in accounting gets married and changes her name to Jane Jones, the database backing the business process that prints her paycheque had better be all about handling that sort of mutation. When you fire the machine gun at the alien, most people do not mentally model that as the construction of a ...
MySQL foreign key constraints, cascade delete
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Can I run javascript before the whole page is loaded?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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If strings are immutable in .NET, then why does Substring take O(n) time?
... thing to take from this is that Java actually changed from using the same base char[] (with different pointers to the start and end) to creating a new String. This clearly shows that the cost-benefit analysis must show a preference for the creation of a new String.
– Phylogene...
Can you explain the concept of streams?
...now what kind of stream underlies the data flow. Or rather, it can use the BaseStream property to find out the type - but it may be a type that your code has never seen before. The point is that you shouldn't care. And yes, you can absolutely end up writing code which will sometimes be used for a ne...