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Android AlertDialog Single Button
...multiOption_dialog">Multi Options Dialog</string>
<string-array name="fruit_name">
<item>Apple</item>
<item>Banana</item>
<item>Orange</item>
<item>Grapes</item>
<item>Watermelon</ite...
javascript set a variable if undefined
...true // true
c ??= true // false
// Equivalent to
a = a ?? true
Object/Array Examples
let x = ["foo"]
let y = { foo: "fizz" }
x[0] ??= "bar" // "foo"
x[1] ??= "bar" // "bar"
y.foo ??= "buzz" // "fizz"
y.bar ??= "buzz" // "buzz"
x // Array [ "foo", "bar" ]
y // Object { foo: "fizz", bar:...
How to find keys of a hash?
...g to Object.prototype, as it breaks every normal loop like: for (var k in array) { } or for (var k in object), and that idiom - though it might be faulty - is extremely common. For example according to Matthew Darwin's answer below, it breaks Google Maps.
– Sam Watkins
...
Dynamic cell width of UICollectionView depending on label width
...lectionView, that loads cells from reusable cell, which contains label. An array provides content for that label. I can resize label width depending on content width easily with sizeToFit. But I cannot make cell to fit label.
...
How to find time complexity of an algorithm
... requires the same amount of time regardless of the input size.
Examples:
array: accessing any element
fixed-size stack: push and pop methods
fixed-size queue: enqueue and dequeue methods
4. O(n) Linear Time
An algorithm is said to run in linear time if its time execution is directly proportional ...
How do I join two lists in Java?
...f my head, I can shorten it by one line:
List<String> newList = new ArrayList<String>(listOne);
newList.addAll(listTwo);
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Why is it necessary to set the prototype constructor?
...) when building the new promise to return. It's also involved in subtyping arrays (via ArraySpeciesCreate).
Outside of the language itself, sometimes people would use it when trying to build generic "clone" functions or just generally when they wanted to refer to what they believed would be the obj...
how to set radio option checked onload with jQuery
... find radio to select using val function. The val function takes 1-element array and finds the radio with matching value, set its checked=true. Others with the same name would be deselected. If no radio with matching value found then all will be deselected. If there are multiple radios with same nam...
How can I select random files from a directory in bash?
... with spaces and funny symbols in their name. All of them will populate an array randf with a list of random files. This array is easily printed with printf '%s\n' "${randf[@]}" if needed.
This one will possibly output the same file several times, and N needs to be known in advance. Here I chose N...
Can HTML be embedded inside PHP “if” statement?
.../path/to/file.html'); //get the html template
$template_placeholders = array('##variable1##', '##variable2##', '##variable3##', '##variable4##'); // variable placeholders inside the template
$template_replace_variables = array($var1, $var2, $var3, $var4); // the variables to pass to the temp...