kraken – Why did my ethereum transaction fail?

kraken – Why did my ethereum transaction fail? – Bitcoin Stack Exchange

lightning network – Does “fail the channel” mean unilateral close in BOLTS?

The BOLTs frequently mentioned “fail the channel” when something unexpected is received or happens. For instance, when receiving an update_fulfill_htlc message, you should fail the channel if the received channel ID isn’t known.

At this point, you would have money stuck in a channel, so does this mean you should try to close unilaterally, cooperatively, either? Is “fail the channel” defined in the bolts somewhere?

MAAS Enlisting process fail to find DataSource

The MAAS fail to enlist node with the error below:

I had use ip=dhcp at the kernel parameter but the message IP-Config: no response after XX secs prompt and therefore I changed the ip to ip=bootp and it successfully goes to the final stage of the cloud-init process. However, it stucks at “cannot find datasource” now… and maas failed to recognise the node.

Could kindly tell me any possible solution to it? Many thanks.

Please find the related screenshot below:

MAAS failed to find datasource

vpn – macOS network extension fail to load on method of startVPNTunnel

I’m writing some VPN agent, and in order to connect with my remote vpn server I run the following command after setting the connection object (from type NEVPNConnection)

try tunnel.connection.startVPNTunnel(options: (:) as (String : NSObject))

It looks like the connection establishment is failed, and from the logs I see the following relevant messages :

2021-05-10 08:43:00.621853+0300 0x6924e    Error       0x6cbc0              678    0    
neagent: (com.apple.networkextension:) NEAgentSession: failed to create the delegate

...

2021-05-10 08:43:00.622039+0300 0x693d2    Error       0x6cbc0              251    0
    nesessionmanager: (com.apple.networkextension:) com.company.vpn-client-mac(678): Tearing down XPC 
connection due to setup error: Error Domain=NEAgentErrorDomain Code=2 "(null)"

I’ve made sure that the network extension sits in the bundle of my application under subfolder Plugins, but I cannot understand from the logs why did it fail to load the extension.

Any idea how to debug this ?

bash – After set up environment variables my pyspark fail in ubuntu

I installed pyspark from anaconda like

  $ conda install pyspark

after that in my jupyter notebook it works fine, but in the tutorial
https://mortada.net/3-easy-steps-to-set-up-pyspark.html
is mentioned that you have to set up the environment variables like

  $ export SPARK_HOME=~/spark-2.2.0-bin-hadoop2.7
  $ export PYSPARK_PYTHON=~/anaconda/bin/python

When I tried to rerun pyspark in my jupyter notebook the next error appear

FileNotFoundError: (Errno 2) No such file or directory: ‘/home/jogabell/Documentos/programas/spark-2.4.7-bin-hadoop2.7/./bin/spark-submit’: ‘/home/jogabell/Documentos/programas/spark-2.4.7-bin-hadoop2.7/./bin/spark-submit’

My jupyter notebook look like:

  from pyspark import SparkContext 
  sc = SparkContext(master="local(4)")
  print(sc)

Help me to fix it, please.

❓ASK – Do you think bitcoin will fail horribly or keep rising at similar rate in 2021? | Proxies123.com

I want it to grow. Is reshaping the way money moves worldwide, I believe is a good addition to our lives and business-wise considering the fact that governments want to manipulate our lives. Not anymore when you hold Bitcoin.

Long live Bitcoin and BMF! ?

unity – What is causing my wheel collider’s raycast to fail?

I’m making custom car suspension(Custom wheelcollider etc), now I encountered a problem where if car gets dropped from a certain height, raycast will fail to detect collision and wheels intersect with terrain.

My raycast starts from the center of a wheel and goes down.

Example of what happens for ~1 frame when car is dropped:

enter image description here
enter image description here

Then it jumps up back to normal state.

I know that Physics.Raycast detection happens every FixedUpdate, which happens rarer than Update(And I update my wheel positions in Update). But since all physics happen every FixedUpdate, doesn’t it mean that rigidbodies move every fixed update too?

I don’t understand where the conflict happens and why Raycast doesn’t detect that ground hit for that one frame.

linux – DKIM Validating Signature, Result = Fail Details: Body Has Been Altered

I have 2 mail server,
Main Mail Server = Microsoft Exchange Server
Secondary Mail Server = Ubuntu Postfix only as SMTP Relay.
The Exchange Server is using Ubuntu Postfix SMTP as Smarthost,
And the problem is Exchange Server need to use thirdparty software to integrate with DKIM.
I used DKIM Exchange(https://github.com/Pro/dkim-exchange) as the third party software,
By following this tutorial https://colinwilson.uk/2017/07/19/setting-up-dkim-for-exchange-server/
But got a problem, when checking DKIM Signature on https://dkimvalidator.com/
I got an Error like this:

DKIM Information:
DKIM Signature
Message contains this DKIM Signature:
DKIM-Signature: v=1; a=rsa-sha256; d=example.com; s=default;
c=relaxed/relaxed; t=1619877233; h=from:subject:to:date:message-id;
bh=iOObCKJdXN6HiMEEGHi3hTEvUHxZe5CdQrWy7paoGeo=;
b=KHjroY6llEGwgpFXQwvTggVvN8pWkRarZfbxPMWZ3J6axLy7fngoJ7VXA/AJB9sc/N+UasENrvy
nflG8WgnKgN12Bh6VHC0xt/2M7SjtOI9CknSg3Bi0EZsYRqD5JJZqBWobNLV51sYbfT0W7KjdOkQX
i5u1sWfV4qskQKyIl48L3M9ktKyYEpZqlkr/a2iEJfVr+eMVrR8VnCbse/ccpZwEMHA5VtdWGh200
F60MITxLG0lYwZQ//RcOOjX9qTEKDxRdbRnFbvagGO7Co39bSyPw9Co6S7K+BI0tVO8Df9uV2H5ee
NqKQJQDZ50VdZLi8wQwSWCiT7gfukJUUsA1g==

Signature Information:
v= Version: 1
a= Algorithm: rsa-sha256
c= Method: relaxed/relaxed
d= Domain: example.com s= Selector: default
q= Protocol:
bh= iOObCKJdXN6HiMEEGHi3hTEvUHxZe5CdQrWy7paoGeo=
h= Signed Headers: from:subject:to:date:message-id
b= Data: KHjroY6llEGwgpFXQwvTggVvN8pWkRarZfbxPMWZ3J6axLy7fngoJ7VXA/AJB9sc/N+UasENrvy
nflG8WgnKgN12Bh6VHC0xt/2M7SjtOI9CknSg3Bi0EZsYRqD5JJZqBWobNLV51sYbfT0W7KjdOkQX
i5u1sWfV4qskQKyIl48L3M9ktKyYEpZqlkr/a2iEJfVr+eMVrR8VnCbse/ccpZwEMHA5VtdWGh200
F60MITxLG0lYwZQ//RcOOjX9qTEKDxRdbRnFbvagGO7Co39bSyPw9Co6S7K+BI0tVO8Df9uV2H5ee
NqKQJQDZ50VdZLi8wQwSWCiT7gfukJUUsA1g==

Public Key DNS Lookup
Building DNS Query for default._domainkey.example.com
Retrieved this publickey from DNS: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAq4UV1gOKAQ+Gr9BmFSrGZbo3ll16g8itrrEwBckyGRYD2g+DKINm5fUYNUxn2bILpeh3AT2gJnbGydQNc7p02Hia1H/jnKDbvTfvnmcUQGHLQGYsnSgIJM3f+B5qrpyjfNufyrSr4L4YCBUr1o0KoN4p2p97iOr+MQiHY4sYIDPAcsaQ4zpAcxDmmSbtXbbBdYileN7Anpkm9ODJtNNNZzxH68jFI7ioVjInX8G1mWLKP4sxPoTa86R5C/zu97a0agXPusrCd1bWGKPxFhCUvJpFzdICUdLsVo9mEwbB12kpGrplYPgOb6B1YKn3iu/XBezv/8EIjG/N7+hAEz9C1wIDAQAB

Validating Signature
Result = fail
Details: body has been altered

Anyone have the solution for this? The DKIM Record is Valid but DKIM Signature is failing…

Why does this if statement fail when using OR here?

I am trying to hide (form_alter) parts of Webform Elements in webform_ui_elements form.

 $element_type = $form_state->get('element_properties','type')('type');
if (($element_type != 'managed_file') OR ($element_type != 'select')) {
  unset($form('properties')('element')('multiple'));
}

As long as there is no OR and either Type is select oder managed_file like this it works

     $element_type = $form_state->get('element_properties','type')('type');
if (($element_type != 'managed_file') {
  unset($form('properties')('element')('multiple'));
}

As soon, as i start checking for both Types nothing is hidden anymore.

Any hints greatly appreciated!

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