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How to find the array index with a value?
...mg => img.value === 200);
console.log(index);
Its part of ES6 and supported by Chrome, FF, Safari and Edge
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HMAC-SHA1 in bash
...ctly what you're asking for, but there's no point in reinventing the wheel and writing a bash version.
You can simply use the openssl command to generate the hash within your script.
[me@home] echo -n "value" | openssl dgst -sha1 -hmac "key"
57443a4c052350a44638835d64fd66822f813319
Or simply:
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Remove Trailing Slash From String PHP
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Sure it is, simply check if the last character is a slash and then nuke that one.
if(substr($string, -1) == '/') {
$string = substr($string, 0, -1);
}
Another (probably better) option would be using rtrim() - this one removes all trailing slashes:
$string = rtrim($string, '/...
How to remove array element in mongodb?
...mber: '+1786543589455' } } }
);
It will find document with the given _id and remove the phone +1786543589455 from its contact.phone array.
You can use $unset to unset the value in the array (set it to null), but not to remove it completely.
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How to check if smtp is working from commandline (Linux) [closed]
...umber}
So telnet to your smtp server like
telnet smtp.mydomain.com 25
And copy and paste the below
helo client.mydomain.com
mail from:<sender@mydomain.com>
rcpt to:<to_email@mydomain.com>
data
From: test@mydomain.com
Subject: test mail from command line
this is test number 1
sent ...
ZSH iterm2 increase number of lines history
...ing to change the number of recallable lines in the terminal - not the command history, the output history.
3 Answers
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How to add to an existing hash in Ruby
...ash in Ruby, I'm in the process of working through Apress' Beginning Ruby and have just finished the hashes chapter.
7 Ans...
What is the source code of the “this” module doing?
If you open a Python interpreter, and type "import this", as you know, it prints:
5 Answers
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Efficient way to rotate a list in python
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A collections.deque is optimized for pulling and pushing on both ends. They even have a dedicated rotate() method.
from collections import deque
items = deque([1, 2])
items.append(3) # deque == [1, 2, 3]
items.rotate(1) # The deque is now: [3, 1, 2]
item...
How to print the current Stack Trace in .NET without any exception?
...ok into logging solutions (Such as NLog, log4net or the Microsoft patterns and practices Enterprise Library) which may achieve your purposes and then some. Good luck mate!
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