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Lambda expression vs method reference [closed]
...heory behind method refs is simple: names matter. If a method has a name, then referring to it by name, rather than by an imperative bag of code that ultimately just turns around and invokes it, is often (but not always!) more clear and readable.
The arguments about performance or about counting...
Finding three elements in an array whose sum is closest to a given number
...on (stop -- we've won!), it's too low, or it's too high. If it's too low, then the sum A[j] + A[k'] must also be too low for every k' <= k, since in each such sum the first term (A[j]) will be the same...
– j_random_hacker
Oct 3 '12 at 18:30
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Better way to get type of a Javascript variable?
...typeof-operator/
He goes through the pros and cons of the various methods then defines a new method 'toType' -
var toType = function(obj) {
return ({}).toString.call(obj).match(/\s([a-zA-Z]+)/)[1].toLowerCase()
}
share
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PHP expresses two different strings to be the same [duplicate]
...are a number with a string or the comparison involves
numerical strings, then each string is converted to a number and the
comparison performed numerically.
http://php.net/manual/en/language.operators.comparison.php
Attention:
What about the behavior in javascript which also has both == and ...
What's the difference between $evalAsync and $timeout in AngularJS?
...rrent digest cycle to be done (i.e. angular update all model and the DOM), then it will execute its callback - potentially affecting angular model - then launch a full $apply on the root $scope, and redigest everything.
$evalAsync(callback), on the other hand, will add the callback to the current, o...
How to declare a global variable in a .js file
...written eight years ago. For all intents and purposes, it was correct back then. If you want to actually make a contribution, you might want to suggest an edit instead?
– PatrikAkerstrand
May 7 '17 at 6:30
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How to remove all characters after a specific character in python?
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Yep, but then you need to recompile the RE on each call, so performance suffers for the RE solution (no real difference for the non-RE solution). Some generality is free, some isn't...;-)
– Alex Martelli
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127 Return code from $?
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Thanks, this worked for me. So I did which gs and then used the output path in my script. Worked..
– Juan
Aug 2 '17 at 16:14
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How do I clear only a few specific objects from the workspace?
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If you just want to remove one of a group of variables, then you can create a list and keep just the variable you need. The rm function can be used to remove all the variables apart from "data". Here is the script:
0->data
1->data_1
2->data_2
3->data_3
#check varia...
Extending an Object in Javascript
...se new), no super, no self-made __construct. You simply create Objects and then extend or morph them.
This pattern also offers immutability (partial or full), and getters/setters.
TypeScript
The TypeScript equivalent looks the same:
interface Person {
name: string,
greet: Function
}
con...