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Samples of Scala and Java code where Scala code looks simpler/has fewer lines?
...lass, and some more - for example it supports pattern matching (which Java doesn't have). Scala 2.8 adds named and default arguments, which are used to generate a copy method for case classes, which gives the same ability as the with* methods of the following Java class.
public class Person impleme...
Python: List vs Dict for look up table
...zed O(1), with regard to the number of items in the data structure. If you don't need to associate values, use sets.
Memory
Both dictionaries and sets use hashing and they use much more memory than only for object storage. According to A.M. Kuchling in Beautiful Code, the implementation tries to k...
Dot character '.' in MVC Web API 2 for request such as api/people/STAFF.45287
The URL I'm trying to let work is one in the style of: http://somedomain.com/api/people/staff.33311 (just like sites as LAST.FM allow all sort of signs in their RESTFul & WebPage urls, for example " http://www.last.fm/artist/psy'aviah " is a valid url for LAST.FM).
...
Standard Android Button with a different color
...
I discovered that this can all be done in one file fairly easily. Put something like the following code in a file named custom_button.xml and then set background="@drawable/custom_button" in your button view:
<?xml version="1.0" encoding="utf-8"?>
<...
When should I create a destructor?
...tand how the garbage collector works. Destructors are really weird:
They don't run on your thread; they run on their own thread. Don't cause deadlocks!
An unhandled exception thrown from a destructor is bad news. It's on its own thread; who is going to catch it?
A destructor may be called on an ob...
Illegal string offset Warning PHP
... What about explaining why this works and why the OP's code doesn't? Answers like these are the main reason why people are sceptical of Stack Overflow, even though there are lots of people who are willing to explain every detail in their answers and actually create some useful and edu...
How to create function that returns nothing
...shell to make a function, but in the shell I must define return type. If I don't define the return type, I'm not able to create a function.
...
What good technology podcasts are out there?
...ytes
Hanselminutes
Software Engineering Radio (via Brenden)
Herding Code
Dot Net
Alt.NET Podcast
Polymorphic Podcast
Productivity
43 Folders
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edited Sep 5 '08 at...
Mongoose: Get full list of users
... if you really want to return a mapping from _id to user, you could always do:
server.get('/usersList', function(req, res) {
User.find({}, function(err, users) {
var userMap = {};
users.forEach(function(user) {
userMap[user._id] = user;
});
res.send(userMap);
});
});
...
Using jQuery to center a DIV on the screen
How do I go about setting a <div> in the center of the screen using jQuery?
28 Answers
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