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BigDecimal setScale and round
What is the difference between this two call? (Is there any?)
2 Answers
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Can (domain name) subdomains have an underscore “_” in it?
...s only one restriction on the particular labels
that can be used to identify resource records. That one
restriction relates to the length of the label and the full
name. [...] Implementations of the DNS protocols must not place any
restrictions on the labels that can be used. In particular...
What do (lambda) function closures capture?
...ocation, but it points to something else. the same thing happens in Scheme if you set!. see here for what dynamic scope really is: voidspace.org.uk/python/articles/code_blocks.shtml .
– Claudiu
Jun 29 '10 at 15:21
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Django queries - id vs pk
... is called id or object_id or whatever.
It also provides more consistency if you have models with different primary key fields.
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Switch to another Git tag
...o checkout a tag:
git checkout 1.1.4
But as was mentioned in a comment, if you have a branch by that same name, this will result in git warning you that the refname is ambiguous and checking out the branch by default:
warning: refname 'test' is ambiguous.
Switched to branch '1.1.4'
The shortha...
What is the difference between Class.this and this in Java
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If instead of Person.this.name you just said "return name" will that not work?
– Amit G
Apr 14 '11 at 16:48
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List all of the possible goals in Maven 2?
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The goal you indicate in the command line is linked to the lifecycle of Maven. For example, the build lifecycle (you also have the clean and site lifecycles which are different) is composed of the following phases:
validate: validate the project is correct and all necessary informat...
How to use Comparator in Java to sort
I learned how to use the comparable but I'm having difficulty with the Comparator. I am having a error in my code:
14 Answ...
Set object property using reflection
...rty,
Type.DefaultBinder, obj, "Value");
This will throw an exception if obj doesn't have a property called Name, or it can't be set.
Another approach is to get the metadata for the property, and then set it. This will allow you to check for the existence of the property, and verify that it ca...
Counting Line Numbers in Eclipse [closed]
...miliar with other tools (e.g., Code Analyzer, wc, etc.) but I want to know if there is a way to do this within Eclipse (or get confirmation that there is no way to do it).
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