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Practical uses for AtomicInteger
...nd more readable than performing the same using synchronization.
A simple test:
public synchronized int incrementNotAtomic() {
return notAtomic++;
}
public void performTestNotAtomic() {
final long start = System.currentTimeMillis();
for (int i = 0 ; i < NUM ; i++) {
increme...
Find the extension of a filename in Ruby
...
Use extname method from File class
File.extname("test.rb") #=> ".rb"
Also you may need basename method
File.basename("/home/gumby/work/ruby.rb", ".rb") #=> "ruby"
share
...
Having both a Created and Last Updated timestamp columns in MySQL 4.0
...itions in one table. Create both timestamp columns like so:
create table test_table(
id integer not null auto_increment primary key,
stamp_created timestamp default '0000-00-00 00:00:00',
stamp_updated timestamp default now() on update now()
);
Note that it is necessary to enter null ...
Understanding exactly when a data.table is a reference to (vs a copy of) another data.table
...od does. When wrapped with invisible() or when called within a function or script, the print method isn't called.
All this applies inside functions too; i.e., := and set() do not copy on write, even within functions. If you need to modify a local copy, then call x=copy(x) at the start of the funct...
The specified named connection is either not found in the configuration, not intended to be used wit
...-one seemed to cover.
I had a main project with a couple of models, and a Test Project containing unit tests. The Test Project was working, but then stopped with the error mentioned in the OP. I hadn't done any renaming or moving of the EDMX file.
A lot of the advice mentioned comparing .config fi...
GPU Emulator for CUDA programming without the hardware [closed]
...Is there an emulator for a Geforce card that would allow me to program and test CUDA without having the actual hardware?
7 ...
How to run only one task in ansible playbook?
...
FWIW with Ansible 2.2 one can use include_role:
playbook test.yml:
- name: test
hosts:
- 127.0.0.1
connection: local
tasks:
- include_role:
name: test
tasks_from: other
then in roles/test/tasks/other.yml:
- name: say something else
shell: echo "I...
Spring mvc @PathVariable
...
Let us assume you hit a url as www.example.com/test/111 .
Now you have to retrieve value 111 (which is dynamic) to your controller method .At time you ll be using @PathVariable as follows :
@RequestMapping(value = " /test/{testvalue}", method=RequestMethod.GET)
public vo...
Can Mockito capture arguments of a method called multiple times?
...
This is nice, but how can I test two differently typed object invocations? For example ExecutorService.submit(new MyRunableImpl()); and then ExecutorService.submit(new MyAnotherRunableImpl()) ?
– Leon
Dec 14 '15 at...
What is the difference between a strongly typed language and a statically typed language?
...h compiled twice (JIT) and both do some type analysis. A language like Javascript running in .NET vm might be more Typesafe because of the VM.
– Adam Gent
Apr 24 '10 at 21:06
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