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Declaring variables inside or outside of a loop
....Test extends java.lang.Object{
public inside.Test();
Code:
0: aload_0
1: invokespecial #1; //Method java/lang/Object."<init>":()V
4: return
public static void main(java.lang.String[]);
Code:
0: invokestatic #2; //Method java/lang/System.currentTimeMillis:()J
3...
What is the purpose of willSet and didSet in Swift?
...ws conditional setting of an actual stored property
//True model data
var _test : Int = 0
var test : Int {
get {
return _test
}
set (aNewValue) {
//I've contrived some condition on which this property can be set
if (aNewValue != test) {
_test = aNewV...
Rails: where does the infamous “current_user” come from?
...d somewhere, usually in the session after logging in. It also assumes your app has and needs users, authentication, etc.
Typically, it's something like:
class ApplicationController < ActionController::Base
def current_user
return unless session[:user_id]
@current_user ||= User.find(se...
Why can't I overload constructors in PHP?
...private constructor.
For example:
public MyClass {
private function __construct() {
...
}
public static function makeNewWithParameterA($paramA) {
$obj = new MyClass();
// other initialization
return $obj;
}
public static function makeNewWithParam...
How do I change the background color of the ActionBar of an ActionBarActivity using XML?
...t;
</style>
</resources>
And, set "MyTheme" as theme for application / activity.
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How do I get the path of the Python script I am running in? [duplicate]
...
os.path.realpath(__file__) will give you the path of the current file, resolving any symlinks in the path. This works fine on my mac.
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Set up Heroku and GoDaddy? [closed]
...'Points to' should be your Heroku address (example
supermoo-bil-3411.herokuapp.com). TTL can be 1 hour.
It can take some time for the DNS to propogate. For me it took about 10 minutes.
That's it! supermoo-bil-3411.herokuapp.com will now be under www.example.com :)
Create a naked domain:
A naked...
How can I convert spaces to tabs in Vim or Linux?
...ist', so that I can see the whitespace and change.
I have the following mapping in my .vimrc for this:
nnoremap <F2> :<C-U>setlocal lcs=tab:>-,trail:-,eol:$ list! list? <CR>
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How do I detect if software keyboard is visible on Android Device or not?
...is in a utils class and pass in the activity - now useful across the whole app.
– Justin
Apr 11 '17 at 14:21
2
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How to get the return value from a thread in python?
...cutor() as executor:
future = executor.submit(foo, 'world!')
return_value = future.result()
print(return_value)
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