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Tab Vs Space preferences in Vim
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Thanks for the script! It does more than I asked for - I think I'd prefer to keep expandtab out of it - but I can easily customise it to my liking. You've provided me with a small crash course in Vimscript, so I'm very grateful. The 100 poi...
INSERT INTO vs SELECT INTO
...le is a permanent table, it should be created from a separate create table script (one that is in source control) as creating permanent objects should not, in general, in code are inserts/deletes/updates or selects from a table. Object changes should be handled separately from data changes because o...
Is there a way to make AngularJS load partials in the beginning and not at when needed?
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Yes, there are at least 2 solutions for this:
Use the script directive (http://docs.angularjs.org/api/ng.directive:script) to put your partials in the initially loaded HTML
You could also fill in $templateCache (http://docs.angularjs.org/api/ng.$templateCache) from JavaScript if...
Formatting a number with exactly two decimals in JavaScript
...adays, you can use the Intl.NumberFormat constructor. It's part of the ECMAScript Internationalization API Specification (ECMA402). It has pretty good browser support, including even IE11, and it is fully supported in Node.js.
const formatter = new Intl.NumberFormat('en-US', {
minimumFraction...
How to initialize an array's length in JavaScript?
...}) gives you an array with length 5 and values 0,1,2,3,4.
Array(5).forEach(alert) does nothing, Array.apply(null, Array(5)).forEach(alert) gives you 5 alerts
ES6 gives us Array.from so now you can also use Array.from(Array(5)).forEach(alert)
If you want to initialize with a certain value, these are ...
Asynchronous Process inside a javascript for loop [duplicate]
...j = 10;
for (i = 0; i < j; i++) {
await asycronouseProcess();
alert(i);
}
Remember, this works only if asycronouseProcess is returning a Promise
If asycronouseProcess is not in your control then you can make it return a Promise by yourself like this
function asyncProcess() {
ret...
How to determine whether an object has a given property in JavaScript
...roperty, opts)) {
throw new Error("IllegalArgumentException");
}
alert("ok");
}
f({req1: 123}); // error
f({req1: 123, req2: 456}); // ok
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“Could not find bundler” error
...ct folder do:
bundle install
and then you can run your project using:
script/rails server
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Python Sets vs Lists
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Scripting languages like to hide the underlying implementations, but this apparent simplicity is not always a good thing, you do need some 'data structure' awareness when you design a piece of software.
–...
Pass parameters in setInterval function
...the "spread" operator
function repeater(param1, param2, param3){
alert(param1);
alert(param2);
alert(param3);
}
let input = [1,2,3];
setInterval(repeater,3000,...input);
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