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SQL RANK() versus ROW_NUMBER()
...ular ordering value.
RANK and DENSE_RANK are deterministic in this case, all rows with the same value for both the ordering and partitioning columns will end up with an equal result, whereas ROW_NUMBER will arbitrarily (non deterministically) assign an incrementing result to the tied rows.
Examp...
window.onload vs
...load is less obtrusive though - it takes your JavaScript out of the HTML.
All of the common JavaScript libraries, Prototype, ExtJS, Dojo, JQuery, YUI, etc. provide nice wrappers around events that occur as the document is loaded. You can listen for the window onLoad event, and react to that, but on...
Disabling Strict Standards in PHP 5.4
...to this I was running my site on 5.3.8. Unfortunately, php 5.4 combines E_ALL and E_STRICT , which means that my previous setting for error_reporting does not work now. My previous value was E_ALL & ~E_NOTICE & ~E_STRICT Should I just enable values one at a time?
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Do rails rake tasks provide access to ActiveRecord models?
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namespace :test do
task :new_task => :environment do
puts Parent.all.inspect
end
end
Notice the => :environment dependency added to the task
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Default initialization of std::array?
...rantee that the syntax std::array<T, N> x; will default-initialize all the elements of the array ?
5 Answers
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How to negate specific word in regex? [duplicate]
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This says it all (I probably would have started with (?!bar) and built up). I don't see why other people are making it so complicated.
– Beta
Aug 7 '09 at 14:49
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Commit history on remote repository
...what you do is download the state of the server with git fetch and then locally see the log of the remote branches.
Perhaps another useful command could be:
git log HEAD..remote/branch
which will show you the commits that are in the remote branch, but not in your current branch (HEAD).
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parseInt(null, 24) === 23… wait, what?
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@Ignacio. Actually, I was wrong. I didn't realize 37 was referring to a radix. Sorry about that.
– Mike Samuel
Jun 23 '11 at 20:15
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What is @ModelAttribute in Spring MVC?
... in MVC ;)
so let's say we have a form with a form backing object that is called "Person"
Then you can have Spring MVC supply this object to a Controller method by using the @ModelAttribute annotation:
public String processForm(@ModelAttribute("person") Person person){
person.getStuff();
}
On...
Local and global temporary tables in SQL Server
...o any user and any connection after they are created, and are deleted when all users that are referencing the table disconnect from the instance of SQL Server.
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