C-COM | process communication in the OS , it is a simulation
kandi X-RAY | C-COM Summary
kandi X-RAY | C-COM Summary
C-COM is an implementation of inter-process communication in the OS, it is a simulation for how the OS can implement a scheduler, memory management, and solving producer consumer problem
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QUESTION
I am using the following code https://www.businessbloomer.com/woocommerce-calculate-sales-coupon-code/ that allows me to display the total amount of sales generated by a given coupon code in a new tab on WooCommerce "Reports".
...ANSWER
Answered 2021-Jun-11 at 10:04In your code the manage_edit-shop_coupon_columns
filter hook is missing, which allows you to create a new column on WooCommerce admin coupon list.
The manage_shop_coupon_posts_custom_column
action hook then allows you to add content to the new column.
So to display the total amount of sales generated by coupon in a new column on WooCommerce admin coupon list, use:
EDIT:
After I posted my first answer, I realized that the more orders you will get, more is going to be heavy… and a direct SQL query would be much lighter.
Because you don't have to reinvent the hot water, I found in Display custom data on Woocommerce admin coupon edit pages answer code the perfect solution.
New answer:
QUESTION
From man bash
:
ANSWER
Answered 2021-Jun-07 at 15:24It doesn't have to be empty quotes (which is how you provide an empty string as a concrete value). It can be any value, if you don't actually care about the value of $0
in your command. If you do care, then you would provide the value you want instead of an empty string.
But whatever the first argument is, it will be used to set $0
. There is no option to leave $0
unset and apply the arguments to $1
et al intead.
Other common "dummy" values are _
, sh
, and bash
.
An easy way to see the difference between an empty argument and no argument is to use the set
command, then look at the value of $#
. First, no positional arguments:
QUESTION
At the below link, I asked, why I am getting error using neuralnet package:
[https://stackoverflow.com/questions/67854153/getting-requires-numeric-complex-matrix-vector-arguments-error-using-neuralnet/67854278#67854278][1]
@akrun explained and solved the problem. The problem was default value of threshold. It's default value is 0.01. If we let that value to be 0.05, the algorithm converges.
But, I want to use default threshold value in general. Bu when I get error, I want to use 0.05 as threshold value instead of the default value.
For that aim I revised the code as below:
...ANSWER
Answered 2021-Jun-06 at 13:02Note that you actually get a warning (and not error) while applying neuralnet
function so you can try this -
QUESTION
I am trying to learn Common Lisp with the book Common Lisp: A gentle introduction to Symbolic Computation. In addition, I am using SBCL, Emacs, and Slime.
By the end of chapter 9, the author shows the dribble tool. He shows the following:
I tried to reproduce the commands presented by the author. Considering the inputs, the only difference was the fact that I put a different location to save the file. In my environment, I did:
...ANSWER
Answered 2021-Jun-05 at 06:44Yes, by default, within Slime I don't think this works.
It will work within the SBCL Repl:
QUESTION
I am trying to read files using Common Lisp with-open-file
. In my environment, I am using SBCL, Emacs, and Slime.
I can open files like this one (bookmarks-to-read.lisp) using:
...ANSWER
Answered 2021-Jun-06 at 08:54Package HISTORY-TREE does not exist
That message is clear: the package HISTORY-TREE
does not exist. But you try to read symbols into this non-existent package, for example HISTORY-TREE:OWNER
.
Every package which is mentioned in a printed symbol in that file needs to exist, before one can successfully read the file.
The default Common Lisp reader does not create packages on the fly by just reading symbols.
Example:
QUESTION
I am trying to set up a Hyperledger Fabric Network with Hyperledger Explorer. I spin up a VM on the digital ocean cloud with ubuntu OS. From there, I spin up 3 orderers node, and 2 peers node. Which result in total of 5 nodes. (I am using RAFT setup).
However, I encounter the error as below when trying to start the hyperledger fabric explorer docker-container images.
Error: ...ANSWER
Answered 2021-Feb-20 at 23:54All configurations seems good, however you have to upgrade explorer version to be compatible with hyperledger fabric version.
So please use v1.1.4 instead of v1.1.1
Also make sure that you have mounted crypto config correctly, try to access this path inside the container /tmp/crypto/peerOrganizations/acme.com/tlsca/tlsca.acme.com-cert.pem
Try to change tlsCACerts
path to use peer tls ca.crt
/tmp/crypto/peerOrganizations/acme.com/peers/peer1.acme.com/tls/ca.crt
You have mentioned that the same configurations works with hyperledger fabric v2, if you have tried it locally not on the same server so I please disable the firewall on the server and give it a try
To check if you can reach domain and port please try this
cat > /dev/tcp/peer1.acme.com/7051
Check this https://support.bluemedora.com/s/article/Using-Bash-to-test-if-a-TCP-port-on-a-remote-system-is-open
QUESTION
I am using a plugin that is creating a custom payment type where the user can fill in a custom payment ID. The thing is, I want that custom payment ID stored in an ACF field as post meta on the WooCommerce order edit page. I have created an ACF field named 'kkpayment' for this task. I figured the rest should be done using update_field($selector, $value, [$post_id]);
. I have created a PHP function for this task. However, my code doesn't seem to work. Am I missing something obvious?
My function for updating the ACF field:
...ANSWER
Answered 2021-Jun-02 at 17:44Use this code to update acf field on successful transaction.
QUESTION
I'm selecting values from 3 different tables to get an overview of some product orders.
Without MAX
, no issues.
Here's the data I'm working with:
...ANSWER
Answered 2021-May-28 at 10:44You can use row_number()
:
QUESTION
Suppose I have configured a continuous flight record for my JVM using the following flags
...ANSWER
Answered 2021-May-29 at 07:27Unfortunately, the link you have ranks high in search engines, but it is six years old. You can find the latest documentation here (JDK 16), which is very much the same as JDK 11.
It's not possible to dump part of a memory-based recording. In your example, you have to remove 'disk=false' and -XX:FlightRecorderOptions, and add 'maxsize=200M' to -XX:StartFlightRecording:
QUESTION
I am using Windows 10 and having trouble setting an alias to a Java platform using PowerShell.
This works in Git Bash:
alias mytest='java -Xms1g -Xmx4g -cp D:/mypath/myfile.jar myfile.myapp'
And when I type mytest
into the Git Bash prompt, it returns:
ANSWER
Answered 2021-May-28 at 22:19Aliases in PowerShell are simply alternative names for other commands, which precludes defining aliases with (hard-coded) arguments, the way that POSIX-compatible shells such as bash
allow.
So a function is indeed necessary (see this answer for more information).
The equivalent of the following bash
alias:
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