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Calculating sum of repeated elements in AngularJS ng-repeat
...ript below displays a shop cart using ng-repeat . For each element in the array, it shows the item name, its amount and the subtotal ( product.price * product.quantity ).
...
Detect encoding and make everything UTF-8
...g.
$url = 'http://www.lr-online.de/storage/rss/rss/sport.xml';
$accept = array(
'type' => array('application/rss+xml', 'application/xml', 'application/rdf+xml', 'text/xml'),
'charset' => array_diff(mb_list_encodings(), array('pass', 'auto', 'wchar', 'byte2be', 'byte2le', 'byte4be', '...
How to combine two strings together in PHP?
... braces in your case:
$result = "$data1 $data2";
You can also concatenate array values inside a string :
$arr1 = ['val' => 'This is a'];
$arr2 = ['val' => 'test'];
$variable = "{$arr1['val']} {$arr2['val']}";
Use sprintf() or printf()
sprintf() allows us to format strings using powerful form...
Swap key with value JSON
...Each(key => {
ret[obj[key]] = key;
});
return ret;
}
Or using Array.reduce() & Object.keys()
static objectFlip(obj) {
return Object.keys(obj).reduce((ret, key) => {
ret[obj[key]] = key;
return ret;
}, {});
}
Or using Array.reduce() & Object.entries()
static ob...
Why is the Java main method static?
...er simple C application that parses the command line, creates a new String array in the JVM to hold those arguments, parses out the class name that you specified as containing main(), uses JNI calls to find the main() method itself, then invokes the main() method, passing in the newly created string...
Hidden Features of JavaScript? [closed]
...e any parameters for a function. You can just use the function's arguments array-like object.
function sum() {
var retval = 0;
for (var i = 0, len = arguments.length; i < len; ++i) {
retval += arguments[i];
}
return retval;
}
sum(1, 2, 3) // returns 6
...
Is it better to call ToList() or ToArray() in LINQ queries?
...
Unless you simply need an array to meet other constraints you should use ToList. In the majority of scenarios ToArray will allocate more memory than ToList.
Both use arrays for storage, but ToList has a more flexible constraint. It needs the arra...
Convert blob to base64
...
function bufferToBinaryString(arrayBuffer){
return String.fromCharCode(...new Uint8Array(arrayBuffer));
}
(async () => console.log(btoa(bufferToBinaryString(await new Response(blob).arrayBuffer()))))();
or
function bufferToBinaryString(arrayBuff...
How can I generate a list or array of sequential integers in Java?
...
Agreed. The OP was asking for a List or array though, otherwise I would have left it out
– daveb
Apr 20 '12 at 13:51
1
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Javascript Equivalent to C# LINQ Select
...
Yes, Array.map() or $.map() does the same thing.
//array.map:
var ids = this.fruits.map(function(v){
return v.Id;
});
//jQuery.map:
var ids2 = $.map(this.fruits, function (v){
return v.Id;
});
console.log(ids, ids2);
...