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How to pass a function as a parameter in Java? [duplicate]
...u can create a new thread very quickly:
new Thread(() -> someMethod()).start();
And use the method reference syntax to make it even cleaner:
new Thread(this::someMethod).start();
Without lambda expressions, these last two examples would look like:
new Thread(new Runnable() { someMethod(); ...
How to deal with persistent storage (e.g. databases) in Docker
...llowing compose file will create a data image which will persist between restarts (or even removal) of parent containers:
Here is the blog announcement: Compose 1.6: New Compose file for defining networks and volumes
Here's an example compose file:
version: "2"
services:
db:
restart: on-fa...
How do I concatenate strings in Swift?
...ne string to another string.
var first = "Hi"
var combineStr = "\(first) Start develop app for swift"
You can try this also:- + keyword.
var first = "Hi"
var combineStr = "+(first) Start develop app for swift"
Try this code.
...
git clone through ssh
...ot@example.net:/root/git/flowers.git
This gets me to a point where I can start adding stuff to it. I first set up git flow
git flow init -d
By default this is on branch develop. I add my code here, now. Then I need to commit to the central git repository.
git add .
git commit -am 'initial'
...
I need to securely store a username and password in Python, what are my options?
...g the del statement.
The administrator still has to enter the password to start ssh-agent, at boot-time or whatever, but this is a reasonable compromise that avoids having a plain-text password stored anywhere on disk.
shar...
Utility classes are evil? [closed]
...e and functionality". Let's revisit the printer/scanner example again, and start with a set of concerting classes, design for a common purpose. You may want to write some debug code and design a textual representation for your classes. You can implement your debug printers in a single file which dep...
Focusable EditText inside ListView
...hingSelected(AdapterView<?> listView)
{
// This happens when you start scrolling, so we need to prevent it from staying
// in the afterDescendants mode if the EditText was focused
listView.setDescendantFocusability(ViewGroup.FOCUS_BEFORE_DESCENDANTS);
}
Note the commented-out se...
How do I query for all dates greater than a certain date in SQL Server?
...aron Bertrant - My answer did include that the conversion isn't necessary, starting with "Techically, the pareser might let you get away with <final code sample>. I just find it more readable, because it's strikingly obvious that this is a date-time. Too many Database Systems store date valu...
What does [].forEach.call() do in JavaScript?
...ng such a thing, then by all means, write your own.
lib.array = (arrLike, start, end) => [].slice.call(arrLike, start, end);
lib.extend = function (subject) {
var others = lib.array(arguments, 1);
return others.reduce(appendKeys, subject);
};
Update for ES6(ES2015) and Beyond
Not only is ...
How to loop backwards in python? [duplicate]
...ease use xrange instead of range (doesn't matter much for small ranges but starts mattering for large ones).
– mzz
Aug 13 '10 at 12:51
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