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Why should I use the keyword “final” on a method parameter in Java?
...e use of this method:
// this.doSomething( "tiger" );
void doSomething( String arg ) {
String x = arg; // Both variables now point to the same String object.
x = "elephant"; // This variable now points to a different String object.
arg = "giraffe"; // Ditto. Now neither variable points...
Function overloading in Javascript - Best practices
...
I often do this:
C#:
public string CatStrings(string p1) {return p1;}
public string CatStrings(string p1, int p2) {return p1+p2.ToString();}
public string CatStrings(string p1, int p2, bool p3) {return p1+p2.ToString()+p3.ToStr...
Tablet or Phone - Android
...alues-<same qualifiers> for each of your layouts and put an int/bool/string resource into it to distinguish between the layouts you use.
Example:
File res/values/screen.xml (assuming res/layout/ contains your layout files for handsets)
<?xml version="1.0" encoding="utf-8"?>
<resour...
Return multiple columns from pandas apply()
...s_pass_series_return_series(series):
series['size_kb'] = locale.format_string("%.1f", series['size'] / 1024.0, grouping=True) + ' KB'
series['size_mb'] = locale.format_string("%.1f", series['size'] / 1024.0 ** 2, grouping=True) + ' MB'
series['size_gb'] = locale.format_string("%.1f", ser...
Get specific object by id from array of objects in AngularJS
...s to get only one object from the array. So I d like for example Item with id 1.
17 Answers
...
Insert new item in array on any position in PHP
...
A function that can insert at both integer and string positions:
/**
* @param array $array
* @param int|string $position
* @param mixed $insert
*/
function array_insert(&$array, $position, $insert)
{
if (is_int($position)) {
array_splice($ar...
How to create relationships in MySQL
...e innodb you can create it like this:
CREATE TABLE accounts(
account_id INT NOT NULL AUTO_INCREMENT,
customer_id INT( 4 ) NOT NULL ,
account_type ENUM( 'savings', 'credit' ) NOT NULL,
balance FLOAT( 9 ) NOT NULL,
PRIMARY KEY ( account_id ),
FOREIGN KEY (customer_id) REFERE...
Redirect to named url pattern directly from urls.py in django?
...ng given pattern name. Other useful parameters include permanent and query_string.
– tutuDajuju
Sep 6 '16 at 16:29
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How can I get a channel ID from YouTube?
...m my channel using the YouTube Data API V3 .
For that I need my channel ID.
I've tried to find my channel ID from my YouTube account, and I failed in every single way.
If anyone have a single tip for me, I would be incredible glad.
...
How to properly match varargs in Mockito
...introduced anyVararg() matcher:
when(a.b(anyInt(), anyInt(), Matchers.<String>anyVararg())).thenReturn(b);
Also see history for this: https://code.google.com/archive/p/mockito/issues/62
Edit new syntax after deprecation:
when(a.b(anyInt(), anyInt(), ArgumentMatchers.<String>any()))....