Heap Behavior in C++

Is there anything wrong with the optimization of overloading the global operator new to round up all allocations to the next power of two? Theoretically, this would lower fragmentation at the cost...

Declaring vector as global variable in C++

Is it a good practice to declare a vector as global in C++? This is what I did. #include <vector> std::vector<int> vec; My program compiles successfully, but I am not sure whether this could...

Default Argument in C++ have some special properties?

This is an interview test question not homework. The test has been done. Which of the following statements about default arguments in C++ are correct ? A. Default Argument cannot be of a...

Why does positioning of <script> in HTML for window.onload event matters?

I have a form that hides a text input field dynamically, depending on the initial choice of an option field upon loading. After some trial and error, I realise that the <script> tag has to be...

What's the difference between the g and m modifiers in Javascript regexes?

In javascript regular expressions, you can put in a 'g' modifier for global, and 'm' for multiple. What's the difference between them, or are they the same thing?

send sms with an operator using smpp and kannel

I work with ubuntu 10.10 currently I send sms with clickatell using this code Message = space_to_plus("message de test."), Url =...

How to Hide Payment Method in Woocommerce based on Postal Code

In this woocommerce setup, I have 2 Payment methods, Paypal and Cash on Delivery. Now how can Cash on Delivery be hidden/disabled for certain Postal codes only. This is the code I found on Gist //...

Is there an easy way to stub out time.Now() globally during test?

Part of our code is time sensitive and we need to able to reserve something and then release it in 30-60 seconds etc, which we can just do a time.Sleep(60 * time.Second) I have just implemented...

A link to the server could not be established Mysql

HI guys im having issues connecting to my Database `Warning: mysql_query(): Access denied for user 'peace4love'@'localhost' (using password: NO) in...

How to return ActionResult with specific View (not the controller name)

I have a method SendMail in the MVC Controller.This method calls other method ValidateLogin. This is the signature of the Validate Login: private ActionResult ValidateLogin(Models.ResetPassword...

Dokku cannot find 'webpack'

I have an issue with pushing an application that uses webpack to dokku. Webpack itself is located in the devDependencies of the package.json. Once pushed it starts installing node_modules. But...

Cannot switch Python with pyenv

I would like to use pyenv to switch python2 and python3. I successfully downloaded python2 and python3 and pyenv with following codes. brew install pyenv brew install pyenv-virtualenv pyenv...

Is the server running on host "localhost" (::1) and accepting TCP/IP connections on port 5432?

Before anything, please note that I have found several similar questions on Stack Overflow and articles all over the web, but none of those helped me fix my...

Add fee based on specific payment methods in WooCommerce

In WooCommerce I need to apply a custom handling fee for a specific payment gateway. I have this piece of code from here: How to Add Handling Fee to WooCommerce Checkout. This is my...

Using SharePoint CSOM inside .Net Core application

I want to get data from SharePoint list by CSOM library on .Net Core MVC application. There are absolutely no problem to achieve that on .Net Framework aplication because...

.NET Core: Remove null fields from API JSON response

On a global level in .NET Core 1.0 (all API responses), how can I configure Startup.cs so that null fields are removed/ignored in JSON responses? Using Newtonsoft.Json, you can apply the following...

How to control the mouse in Minecraft using Python?

All in all, I'm trying to programmatically -and externally- control the Minecraft player's orientation. No APIs, no Java mods to the game environment Typically this requires the movement of the...

TypeORM: Creating a connection in a parent class and using in a child not working

I have a set of microservices that I'm trying to convert over to TypeORM and am seeing some strange behavior. I have a parent class BaseService that handles creating connections (in order to...

CodeIgniter 4... documentRoot is not in public... htaccess is not working

I am starting to dabble in CodeIgniter 4. Completed a simple app. On local, I have the documentroot setup to be /public/ where as on the product hosting environment, I am unable to set the...

Wordpress Admin Bar: change background color for frontend users

Trying to change the background color of the WP admin bar for logged-in frontend users. All code must reside within a plugin, not a theme. I managed to remove nav entries of the admin bar, but...

I can't run vue cli in Ubuntu - Error: Unable to access jarfile /snap/vue/1/jar/vue-1.0-SNAPSHOT.jar

I am trying to install vue cli for the first time. I tried using npm install -g @vue/cli and yarn global add @vue/cli and it seems to install correctly. But if I run vue create my-project or vue...

Why is SCSS complaining when I use `list.nth` when `stylelint-scss` is telling me to?

I have a bit of a situation here. I'm using SCSS in a React app using sass-loader and I lint my SCSS/CSS using stylelint and the extension for it stylelint-scss. I borrowed some code from here:...

Get register stdout_lines and remove the space

I am trying to assign an output (variable) value to a file. Also, I would like to remove the space in front of the value. The initial command output is like below. Command output: #...

how to set ANDROID_SDK_ROOT manually in windows

im having this error while passing the command "cordova requirements" i have installed cordova -g globally ,installed apache ant , android sdk and set the %ANDROID_HOME% root path have installed...

GCP Cloud SQL Query Logging for Postgres

I've been struggling for a few weeks now to try and get a Cloud SQL Postgres instance to do any type of query logging and I'm just not getting anywhere with it. I realise that this should be a...

git push fails - fatal: the remote end hung up unexpectedly

I created a git repo locally. When I try to push to github, I get: Warning: Permanently added the RSA host key for IP address '140.82.112.4' to the list of known hosts. Enumerating objects: 47,...

SassError: Can't find stylesheet to import. @use '[email protected]/material' as mat;

I created an Angular project using the CLI. I'm using SCSS, and I included Angular Material with a custom theme iirc. I added a couple dummy components, and the app still built fine. Then I needed...

How to generate datetime.now() in airflow exactly one time

I'm getting error when I am trying to generate unique name based on name + current date. NAME = 'name-{timestamp}'.format(timestamp=datetime.now()) But every task instance generate datetime.now()...

Act Not able to Use Docker API

I am trying to locally test github actions with the open-source Act utility. "Think globally, act locally" I have copied the git hub repository for which i want to check github action and it...

Not able to show notifications when app is closed in xamarin forms

I am trying to implement a background service which notifies me every continuously. So for that I'm using Alarm manager and broadcast receiver. This is my broadcast receiver...