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What is Hindley-Milner?
I encountered this term Hindley-Milner , and I'm not sure if grasp what it means.
3 Answers
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updating table rows in postgres using subquery
Using postgres 8.4, My goal is to update existing table:
6 Answers
6
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Linq to Entities join vs groupjoin
I have web searched but I still cant find a simple answer. Can someone please explain (in simple English) what a GroupJoin is? How is it different from a regular inner Join ? Is it commonly used? Is it only for method syntax? What about query syntax? A c# code example would be nice.
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What is the difference between CascadeType.REMOVE and orphanRemoval in JPA?
...a reference field with CascadeType.REMOVE (or CascadeType.ALL,
which includes REMOVE) indicates that remove operations should be
cascaded automatically to entity objects that are referenced by that
field (multiple entity objects can be referenced by a collection
field):
@Entity
class Employ...
How do I execute inserts and updates in an Alembic upgrade script?
I need to alter data during an Alembic upgrade.
3 Answers
3
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How to keep Maven profiles which are activeByDefault active even if another profile gets activated?
I have a profile in my pom.xml which should be always active unless it is explicitely deactivated (-P !firstProfile).
I solved this by using the activeByDefault flag:
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Why was “Avoid Enums Where You Only Need Ints” removed from Android's performance tips?
The section "Avoid Enums Where You Only Need Ints" was removed from the official developer documentation . (See Why doesn't Android use more enums? for the old section content)
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How to get error information when HttpWebRequest.GetResponse() fails
I am initiating an HttpWebRequest and then retrieving it's response. Occasionally, I get a 500 (or at least 5##) error, but no description. I have control over both endpoints and would like the receiving end to get a little bit more information. For example, I would like to pass the exception mes...
Validating an XML against referenced XSD in C#
I have an XML file with a specified schema location such as this:
5 Answers
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How to get current path with query string using Capybara
The page url is something like /people?search=name
while I used current_path method of capybara it returned /people only.
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