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Is there an advantage to use a Synchronized Method instead of a Synchronized Block?
...he other thread will block when it attempts to acquire the lock.
package test;
public class SynchTest implements Runnable {
private int c = 0;
public static void main(String[] args) {
new SynchTest().test();
}
public void test() {
// Create the object with the ...
Recursively list files in Java
... Files.walk, mostly because there are overloads and it's more convenient.
TESTS: As requested I've provided a performance comparison of many of the answers. Check out the Github project which contains results and a test case.
...
Run task only if host does not belong to a group
...is a magic variable as documented here: https://docs.ansible.com/ansible/latest/user_guide/playbooks_variables.html#accessing-information-about-other-hosts-with-magic-variables :
group_names is a list (array) of all the groups the current host is in.
...
How do I get ruby to print a full backtrace instead of a truncated one?
...
caller(0,2) would return the two latest entries in the stacktrace. Nice for outputting abbreviated stacktraces.
– Magne
Jul 12 '17 at 9:14
...
#if DEBUG vs. Conditional(“DEBUG”)
... you should pretty much never use either. If you really need something for testing and debugging, figure out a way to make that testability seperate from the actual production code.
Abstract the scenarios with mocking in unit tests, make one off versions of things for one off scenarios you want to ...
What's the equivalent of Java's Thread.sleep() in Objective-C/Cocoa?
...
Sleeping is useful to me for testing purposes. I can simulate some network delays to make sure that my app responds properly. Currently I'm testing against a local web server, so everything is essentially instantaneous.
– brantonb
...
String.Replace ignoring case
... don't have to escape the replacement string.
Here is a small fiddle that tests the code:
using System;
using System.Text.RegularExpressions;
public class Program
{
public static void Main()
{
var tests = new[] {
new { Input="abcdef", Search="abc", Replacem...
How do I convert CamelCase into human-readable names in Java?
...
This works with your testcases:
static String splitCamelCase(String s) {
return s.replaceAll(
String.format("%s|%s|%s",
"(?<=[A-Z])(?=[A-Z][a-z])",
"(?<=[^A-Z])(?=[A-Z])",
"(?<=[A-Za-z])(?=[^A-Za-z])"...
Java - get the current class name?
...
Umm... I have tested this, and I get that the superclass of the anonymous class is the abstract class. I will recheck my logic... but as I am getting the result that makes sense, I don't think it's me that has made the mistake....
...
Simple argparse example wanted: 1 argument, 3 results
...example of positional parameters, either, so here's a complete example:
# tested with python 2.7.1
import argparse
parser = argparse.ArgumentParser(description="An argparse example")
parser.add_argument('action', help='The action to take (e.g. install, remove, etc.)')
parser.add_argument('foo-bar...