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How to get the first five character of a String
I have read this question to get first char of the string. Is there a way to get the first n number of characters from a string in C#?
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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...
Passing functions with arguments to another function in Python?
...o do this. My favorite way is using lambda because it avoids dependency on extra package and is the least verbose. Assume you have a function add(x, y) and you want to pass add(3, y) to some other function as parameter such that the other function decides the value for y.
Use lambda
# generic func...
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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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...
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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JSON: why are forward slashes escaped?
...n embedding JSON in a <script> tag, which doesn't allow </ inside strings, like Seb points out.
Some of Microsoft's ASP.NET Ajax/JSON API's use this loophole to add extra information, e.g., a datetime will be sent as "\/Date(milliseconds)\/". (Yuck)
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How to format a string as a telephone number in C#
I have a string "1112224444' it is a telephone number. I want to format as 111-222-4444 before I store it in a file. It is on a datarecord and I would prefer to be able to do this without assigning a new variable.
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How to convert Set to String[]?
I need to get a String[] out of a Set<String> , but I don't know how to do it. The following fails:
7 Answers
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Permission denied on accessing host directory in Docker
...er, this specific case is different.
The dot at the end of the permission string, drwxr-xr-x., indicates SELinux is configured. When using a host mount with SELinux, you need to pass an extra option to the end of the volume definition:
The z option indicates that the bind mount content is sh...