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Use of class definitions inside a method in Java
...g. somebody wants a Runnable and you want to record when the execution has started and ended.
With anonymous class it is not possible to do, with inner class you can do this.
Here is an example do demonstrate my point
private static void testMethod (
final Object param1,
final Obj...
Is there a way for non-root processes to bind to “privileged” ports on Linux?
...ability. If you have a recent kernel, it is indeed possible to use this to start a service as non-root but bind low ports. The short answer is that you do:
setcap 'cap_net_bind_service=+ep' /path/to/program
And then anytime program is executed thereafter it will have the CAP_NET_BIND_SERVICE capa...
How do I break a string over multiple lines?
... be doubled, no special characters, possibly useful for expressing strings starting with double quotes):
Key: 'this is my very very "very"
long string, isn''t it.'
→ "this is my very very \"very\" long string, isn't it."
Summary
In this table, _ means space character. \n means "newline char...
How to run only one task in ansible playbook?
...:
ansible-playbook roles/hadoop_primary/tasks/hadoop_master.yml --step --start-at-task='start hadoop jobtracker services'
You will get a prompt: Perform task: start hadoop jobtracker services (y/n/c)
Answer y
You will get a next prompt, press Ctrl-C
...
Invoke a callback at the end of a transition
... transitions.
Here's my own demo that changes the style of elements at the start and end of the transition.
From the documentation for transition.each([type],listener):
If type is specified, adds a listener for transition events, supporting both "start" and "end" events. The listener will be i...
Find files containing a given text
...re .
the -i makes it case insensitlve
the . at the end means you want to start from your current directory, this could be substituted with any directory.
the -r means do this recursively, right down the directory tree
the -n prints the line number for matches.
the --include lets you add file na...
putting datepicker() on dynamically created elements - JQuery/JQueryUI
...
here is the trick:
$('body').on('focus',".datepicker_recurring_start", function(){
$(this).datepicker();
});
DEMO
The $('...selector..').on('..event..', '...another-selector...', ...callback...); syntax means:
Add a listener to ...selector.. (the body in our example) for the ev...
How does the Brainfuck Hello World actually work?
...lls initialized by 0 each.
...[0][0][0][0][0]...
When brainfuck program starts, it points to any cell.
...[0][0][*0*][0][0]...
If you move pointer right > you are moving pointer from cell X to cell X+1
...[0][0][0][*0*][0]...
If you increase cell value + you get:
...[0][0][0][*1*][0]......
Repeat a task with a time delay?
...Bundle bundle) {
// your code here
mHandler = new Handler();
startRepeatingTask();
}
@Override
public void onDestroy() {
super.onDestroy();
stopRepeatingTask();
}
Runnable mStatusChecker = new Runnable() {
@Override
public void run() {
try {
...
What are the alternatives now that the Google web search API has been deprecated? [closed]
...CE-4CCE-BF57-A49D98D29A44
Which has a free tier of 5000q/month, and prices starting at 5 query per penny, and no hard limit.
UPDATE: At the end of 2016 this API was shutdown in favour of its Azure counterpart "Cognitive Services Bing Search API":
https://azure.microsoft.com/en-us/services/cognitive...