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What is the difference between DAO and Repository patterns?
...ry - when using a Repository, changes to entities would usually be tracked by separate UnitOfWork.
It does seem common to see implementations called a Repository that is really more of a DAO, and hence I think there is some confusion about the difference between them.
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How to update a menu item shown in the ActionBar?
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By doing that, you can have synchronization issues right? I mean. you dont know EXACTLY when onCreateOptionMenu is going to run, so you may reach your piece of code with the mnuTopMenuActionBar_ uninitialized, right? How woul...
How to redirect to a 404 in Rails?
...ecution of your code, letting you do nice things like:
user = User.find_by_email(params[:email]) or not_found
user.do_something!
without having to write ugly conditional statements.
As a bonus, it's also super easy to handle in tests. For example, in an rspec integration test:
# RSpec 1
l...
How to get first record in each group using Linq
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var res = from element in list
group element by element.F1
into groups
select groups.OrderBy(p => p.F2).First();
share
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improve...
Get list of all routes defined in the Flask app
...instance of werkzeug.routing.Map. You can iterate over the Rule instances by using the iter_rules method:
from flask import Flask, url_for
app = Flask(__name__)
def has_no_empty_params(rule):
defaults = rule.defaults if rule.defaults is not None else ()
arguments = rule.arguments if rule...
ORA-01882: timezone region not found
... also managed to make ojdbc6.jar version 11.2.0.3.0 connect without error, by adding oracle.jdbc.timezoneAsRegion=false in file oracle/jdbc/defaultConnectionProperties.properties (inside the jar). Found this solution here
Lastly, one can add -Doracle.jdbc.timezoneAsRegion=false to the command line,...
Calling JMX MBean method from a shell script
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is it possible to describe how it works? I mean, by default jmx uses rmi, and there i see http. Does it mean that server has to be configured to support jmx requests over http?
– Psychozoic
Aug 20 '19 at 16:20
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What happens to git commits created in a detached HEAD state?
... branches:
0b40dd6 my commit on detached HEAD
If you want to keep them by creating a new branch, this may be a good time
to do so with:
git branch new_branch_name 0b40dd65c06bb215327863c2ca10fdb4f904215b
Switched to branch 'master'
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How to create GUID / UUID?
...re's a similar RFC4122 version 4 compliant solution that solves that issue by offsetting the first 13 hex numbers by a hex portion of the timestamp, and once depleted offsets by a hex portion of the microseconds since pageload. That way, even if Math.random is on the same seed, both clients would h...
How to use getJSON, sending data with post method?
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This will never bypass the limit GET has while POST maximum size can be redefined.
– Rafael Herscovici
Nov 12 '12 at 14:39
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