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Protected in Interfaces
...ed methods in interfaces: share across packages
Since modifiers are a bit limited in Java, a way to share methods
across packages is restricted to public methods. Sometimes it is
dangerous to make a method public, but it needs to be because of the
lack of proper modifiers. My solution ove...
jquery find closest previous sibling with class
...
Actually, after a bit of texting, the .prev() failed in a few instances. .prevAll with :first, worked every time. Thank you.
– daulex
Feb 22 '10 at 11:13
...
Where is the warnings screen option in Android Studio?
...lect a specific module), then click okay.
Android Studio will work for a bit, then the inspection window will pop up from the bottom with a list of results, subdivided by inspection.
share
|
impro...
Difference between Git and GitHub
...emote git repository in many web servers like webfaction vs heroku. It's a bit harder to configure that github, but cheaper for big teams.
– Adrian Lopez
Sep 5 '14 at 1:00
1
...
What's better at freeing memory with PHP: unset() or $var = null
...0);
$a = null;
var_dump($a);
Outputs:
NULL
It seems that $a = null is a bit faster than its unset() counterpart: updating a symbol table entry appears to be faster than removing it.
when you try to use a non-existent (unset) variable, an error will be triggered and the value for the variable e...
Android equivalent to NSNotificationCenter
...
Kotlin: Here's a @Shiki's version in Kotlin with a little bit refactor in a fragment.
Register the observer in Fragment.
Fragment.kt
class MyFragment : Fragment() {
private var mContext: Context? = null
private val mMessageReceiver = object: BroadcastReceiver() {
...
Difference between $(document.body) and $('body')
...the following script:
WARNING: running this will freeze your browser a bit, might even crash it.
var n = 10000000, i;
i = n;
console.time('selector');
while (i --> 0){
$("body");
}
console.timeEnd('selector');
i = n;
console.time('element');
while (i --> 0){
$(d...
Proper usage of Java -D command-line parameters
...
last bit is also true for: Integer.getInteger("test"); Long.getLong("test") assuming you have -Dtest=123
– mt.uulu
Mar 19 '19 at 18:59
...
Redirect stderr and stdout in Bash
...
I like it better with the cleanup code. It might be a bit of distraction from the core example, but stripping it would make the example incomplete. The net is already full of examples without error handling, or at least a friendly note that it still needs about a hundred lines o...
TypeScript and field initializers
... if (fields) Object.assign(this, fields);
}
}
or do it manually (bit more safe):
if (fields) {
this.name = fields.name || this.name;
this.address = fields.address || this.address;
this.age = fields.age || this.age;
}
usage:
let persons = [
new Pe...