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Why there is no ConcurrentHashSet against ConcurrentHashMap
...FromMap's implementation is found starting on line 3841 in docjar.com/html/api/java/util/Collections.java.html. It's just a wrapper....
– Ray Toal
Nov 1 '11 at 23:36
4
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Java Timer vs ExecutorService?
...f ExecutorService like ForkJoinPool
ExecutorService provides collaborative API if you need coordination between multiple tasks. Assume that you have to submit N number of worker tasks and wait for completion of all of them. You can easily achieve it with invokeAll API. If you want to achieve the sam...
Google App Engine: Is it possible to do a Gql LIKE query?
... can only do =, > and < queries. (In fact you can also do != but the API does this using a a combination of > and < queries.) This is also why the development environment monitors all the queries you do and automatically adds any missing indexes to your index.yaml file.
There is no way...
AngularJS $resource RESTful example
...omise then() or the callback method.
Standard use
var Todo = $resource('/api/1/todo/:id');
//create a todo
var todo1 = new Todo();
todo1.foo = 'bar';
todo1.something = 123;
todo1.$save();
//get and update a todo
var todo2 = Todo.get({id: 123});
todo2.foo += '!';
todo2.$save();
//which is basica...
Difference between an application server and a servlet container?
...
A servlet-container supports only the servlet API (including JSP, JSTL).
An application server supports the whole JavaEE - EJB, JMS, CDI, JTA, the servlet API (including JSP, JSTL), etc.
It is possible to run most of the JavaEE technologies on a servlet-container, but ...
Input and output numpy arrays to h5py
...s directories. Each is named. You should look at the documentation for the API and examples:
http://docs.h5py.org/en/latest/quick.html
A simple example where you are creating all of the data upfront and just want to save it to an hdf5 file would look something like:
In [1]: import numpy as np
In ...
What is Node.js' Connect, Express and “middleware”?
...xpress is comparable to Sinatra. It's particularly great for creating JSON APIs for Ajax client-side apps. One thing I've found is that once an application hits a certain level of complexity, another layer is needed that is more Rails like. I'm working on Locomotive for this purpose, which further ...
How to format strings in Java
...rmat symbols -- but can also differ. See download.oracle.com/javase/6/docs/api/java/util/… for the full syntax.
– Andy Thomas
Jun 21 '11 at 21:11
54
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How to avoid type safety warnings with Hibernate HQL results?
..., select the checkbox
Ignore unavoidable generic type problems due to raw APIs
This will turn off unnecessary warnings for similar problems like the one described above which are unavoidable.
Some comments:
I chose to pass in the Query instead of the result of q.list() because that way this "ch...
Should one use < or
...tempted to use <=. So:
for (int i=0; i < count; i++) // For 0-based APIs
for (int i=1; i <= count; i++) // For 1-based APIs
I would expect the performance difference to be insignificantly small in real-world code.
...