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How to replace an entire line in a text file by line number
... @PubuduDodangoda sed -i would accomplish that
– SeanFromIT
Aug 9 at 1:43
add a comment
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In Typescript, How to check if a string is Numeric
... longer available in rxjs v6
I'm solved it by using the isNumeric operator from rxjs library (importing rxjs/util/isNumeric
Update
import { isNumeric } from 'rxjs/util/isNumeric';
.
.
.
var val = "5700";
if (isNumeric(val)){
alert("it is number !");
}
...
JavaScript editor within Eclipse [closed]
... to remove it. I've spent 15 minutes trying to figure out how to remove it from my Eclipse 3.4 config with no success - it seems to disable the uninstall buttons - and the only instructions I found on the Aptana site are for an older version of Eclipse. This is pretty frustrating - I would strongly ...
Encode String to UTF-8
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@Michael: he is clearly having trouble getting bytes from string. How is getBytes(encoding) missing the point? I think second line is there just to check if he can convert it back.
– Peter Štibraný
Apr 20 '11 at 12:01
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Retrieve the position (X,Y) of an HTML element relative to the browser window
... If you need it relative to another element, simply subtract one rectangle from the other:
var bodyRect = document.body.getBoundingClientRect(),
elemRect = element.getBoundingClientRect(),
offset = elemRect.top - bodyRect.top;
alert('Element is ' + offset + ' vertical pixels from <bod...
How to get current working directory in Java?
... useful in most cases.
The following will print out the current directory from where the command was invoked regardless where the .class or .jar file the .class file is in.
public class Test
{
public static void main(final String[] args)
{
final String dir = System.getProperty("use...
Javascript library for human-friendly relative date formatting [closed]
... etc.
Timeago (relative time) for dates in the past is done with moment().fromNow(). For example, to display January 1, 2019 in the timeago format:
let date = moment("2019-01-01", "YYYY-MM-DD");
console.log(date.fromNow());
<script src="https://momentjs.com/downloads/moment.min.js"><...
What does the ^ operator do in Java?
...so
Wikipedia: Arithmetic shift
Merge note: this answer was merged from another question where the intention was to use exponentiation to convert a string "8675309" to int without using Integer.parseInt as a programming exercise (^ denotes exponentiation from now on). The OP's intention was...
Python: using a recursive algorithm as a generator
... In Python 3.4, you can replace the last two lines with yield from getPermutations(string[:i] + string[i+1:]), which is more efficient in many ways!
– Manuel Ebert
Apr 29 '14 at 17:46
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Using Mockito's generic “any()” method
...
I had a problem with the import, I was using the any() from hamcrest in my imports and it collided with the one from mockito.
– Doppelganger
Jun 13 '14 at 13:55
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