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RegEx to extract all matches from string using RegExp.exec
...s an array.
For example:
const str = 'All of us except @Emran, @Raju and @Noman was there';
console.log(
str.match(/@\w*/g)
);
// Will log ["@Emran", "@Raju", "@Noman"]
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Idiomatic way to wait for multiple callbacks in Node.js
...to have a look at:
Promises
The Promise object is used for deferred and asynchronous computations.
A Promise represents an operation that hasn't completed yet, but is
expected in the future.
A popular promises library is bluebird. A would advise to have a look at why promises.
You s...
How to declare constant map
...a func you can declare it like:
romanNumeralDict := map[int]string{
...
And in Go there is no such thing as a constant map. More information can be found here.
Try it out on the Go playground.
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REST API error return good practices [closed]
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So at first I was tempted to return my application error with 200 OK and a specific XML payload (ie. Pay us more and you'll get the storage you need!) but I stopped to think about it and it seems to soapy (/shrug in horror).
I wouldn't return a 200 unless there really was nothing wrong with ...
jQuery disable a link
...h is to visit the specified href.
From the jQuery tutorial:
For click and most other events, you
can prevent the default behaviour -
here, following the link to jquery.com
- by calling event.preventDefault() in the event handler
If you want to preventDefault() only if a certain conditio...
How to get height of entire document with JavaScript?
...compatibility nightmare because, although all browsers expose clientHeight and scrollHeight properties, they don't all agree how the values are calculated.
There used to be a complex best-practice formula around for how you tested for correct height/width. This involved using document.documentEleme...
How to tell git to use the correct identity (name and email) for a given project?
I use my personal laptop for both work and personal projects and I would like to use my work email address for my commits at work (gitolite) and my personal email address for the rest (github).
...
How to intercept all AJAX requests made by different JS libraries
...building a web app with different JS libraries (AngularJS, OpenLayers,...) and need a way to intercept all AJAX responses to be able, in case the logged user session expired (response gets back with 401 Unauthorized status), to redirect him to the login page.
...
Why should a function have only one exit-point? [closed]
...ngle exit-point function as a bad way to code because you lose readability and efficiency. I've never heard anybody argue the other side.
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Cleanest way to write retry logic?
...imply retry the same call can be dangerous if used as a general exception handling mechanism. Having said that, here's a lambda-based retry wrapper that you can use with any method. I chose to factor the number of retries and the retry timeout out as parameters for a bit more flexibility:
public st...