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How to define custom exception class in Java, the easiest way?
...'t "inherit" non-default constructors, you need to define the one taking a String in your class. Typically you use super(message) in your constructor to invoke your parent constructor. For example, like this:
public class MyException extends Exception {
public MyException(String message) {
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Read binary file as string in Ruby
I need an easy way to take a tar file and convert it into a string (and vice versa). Is there a way to do this in Ruby? My best attempt was this:
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How to Convert Boolean to String
I have a Boolean variable which I want to convert to a string:
15 Answers
15
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Single vs double quotes in JSON
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JSON syntax is not Python syntax. JSON requires double quotes for its strings.
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Adding two Java 8 streams, or an extra element to a stream
I can add streams or extra elements, like this:
8 Answers
8
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What is Node.js? [closed]
... the client and server, and (c) re-use my own and others' JS libraries for string handling ...etc.
– Antony Quinn
Mar 20 '12 at 11:57
4
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Get all directories within directory nodejs
....10.0+
We can use the new withFileTypes option of readdirSync to skip the extra lstatSync call:
const { readdirSync } = require('fs')
const getDirectories = source =>
readdirSync(source, { withFileTypes: true })
.filter(dirent => dirent.isDirectory())
.map(dirent => dirent.name...
how to rotate a bitmap 90 degrees
...2 = 4MB total)? or will the newBitmap only refer to oldBitmap (and thus no extra 2MB is required)? ......... I want to avoid outOfMemory Error at all cost!
– Shishir Gupta
Mar 1 '14 at 21:59
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How to check the version before installing a package using apt-get?
...ing dependency tree
Reading state information... Done
The following extra packages will be installed:
libjemalloc1 redis-tools
The following NEW packages will be installed:
libjemalloc1 redis-server redis-tools
0 upgraded, 3 newly installed, 0 to remove and 3 not upgraded.
Inst libjemallo...
What's the yield keyword in JavaScript?
...n
You have this end }) which you need to keep track of everywhere
All this extra function (err, result) jargon
Not exactly clear that you're doing this to assign a value to result
On the other hand, with yield, all of this can be done in one line with the help of the nice co-routine framework.
fu...