jQuery simple function with callback

I'm trying writing down a function which will do something then bind a callback when finished, I would like to specify the callback when I init the js function... function...

Ansible - read inventory hosts and variables to group_vars/all file

I have a dummy doubt that keeps me stuck for a long time. I have a very banal inventory file with hosts and...

How to put variable value in a href?

This question may sound banal, but I'm really new to php. I have: <?php $kzl="pencho"; ?> <a href="settings.php?var=$kzl">asdf</a> in the script settings.php <? echo &_GET['var']; ?> and on...

Searching for Holy Grail of search and replace in C++

Recently I was looking for a way to replace tokens in string which is essentially find and replace (but there is at least one additional approach to the problem) and looks like quite banal task....

Zero-Length regexes and infinite matches?

In trying to elaborate an answer to this question, I am now trying to come to terms with the behavior/meaning of Zero-Length regular expressions. I often use www.regexr.com as a playground to...

Print out the first occurrence of a word in a file beginning with each letter in the Alphabet

I have a file with a list of adjectives A - Z How can I print the first word beginning with A, then the first word beginning with B ... all the way to Z? I thought grep might be the way. But open...

Advanced conditional compilation in C#

I'm exploring the possibilities of advanced conditional compilation in C#. The case of my work is that I need to have a different behavior depending on the configuration of the project. I do not...

How can I stream audio files (mp3) from Aws s3?

I have a simple javascript player, and I would like to stream audio files (mp3) from aws s3 sdk (Php). The files are private so I should also do the authentication. If I banally insert the public...

How to properly test subclasses with phpspec dataprovider

I'm pretty new to Phpspec testing and I don't know what is the correct way to test multiple scenarios when transforming a object to different response structure. I need to check if price is...

Scenario manager: can you create scenarios in a table, and get the Scenario Manager to read from there?

Microsoft's official site has an explanation on how to use scenarios in Excel. If you name the input cells, the scenario manager will show the name, so it's easier to remember that $C$5 is, say,...

KeyError: 'collectstatic' When deploying the Django application to pythonanywhere

During the implementation of my Django application on pythonanywhere for the first time I encountered such an error. Previous applications with a very similar structure were able to be implemented...

Ngx-Datatable - How to handle a boolean data of a row

I'm definitely missing something but I can't manage the boolean value of a row ... what I want is to make a certain string appear if it is true and another string if it is false. This is what I...

How to fetch JSON data from external API with spring-batch and JsonItemReaderBuilder

I followed the Spring Batch docs that works and is enough simple and banal, but still can't figure out how to apply the same technics for fetching JSON data from an external API. As far as I...

Strange behavior switch-case statement in Swift

Usually the switch-case statement works like this: if the condition exactly matches the value, then the corresponding code block is executed. But in my case, something went wrong! Why does the...

Setting C for Linear SVM

Here's my question: I have a medium size data set about the condition of a hydraulic system. The data set is represented by 68 variables plus condition of the system(green, yellow, red) I have to...

how to change the menu depending on the width of the screen?

I apologize for my English using a translator. I use React.js. I have a component "header" that accepts two other components - and . import React, { Component } from 'react'; import styles from...

How to enable .gitignore file in private repository in GitHub with GUI

I can't uploud a project in private repository even I'have .gitignore file(where I made a mistake, because .gitignore doesn't work). Message is that I have more than a hundred files, and simply I...

Create dictionary with length of string as key and string as value

I have a list with random strings, as the one below: strings = ["zone", "abigail", "theta", "form", "libe", "zas"] What I want is a dictionary with len of those strings (non unique, linear as...

Property 'VAR_PLURAL' does not exist on type

Using angular 8.x i18n I've come across an issue with a very obscure error message (as all i18n error messages tend to be; looking at you,...

Getting values from json array using an array of object and keys in Python

I'm a Python newbie and I'm trying to write a script to extract json keys by passing the keys dinamically, reading them from a csv. First of all this is my first post and I'm sorry if my questions...

How to make sure that exceptions do not lose its stack trace information in java?

Recently, I met some exception problem in java, which reminded me of the typical idiom recommended by Bruce Eckel: Converting checked to unchecked exceptions The real problem is when you are...

Mvn clean package gives an unexpected java.lang.AssertionError

I am trying to do a mvn clean package to my Maven Springboot Project but I see the following message. What can be the reason? I already searched everything on the internet; it is a common...

Wolfram Mathematica import data from https website

I apologize for question banality but I have been getting to programming just recently. I tried to import data from the following website by using the following command on...

Previously working program suddenly starts with just title bar visible

I have a program I wrote in Delphi XE8, which previously worked properly, but which now starts with little more than the title bar visible. To be precise, for a split second the full form is...

Set plot dimension in ggsave

I am using ggsave in order to export my plots and save them in png images... I am using, banally ggsave(G, filename="TEST6.png", scale=2, width=5, height=2, dpi=300, units=c("cm")) the problem...

How do you create front end in Golang? and other questions

I started learning programming sometime ago and started with HTML & CSS, finally mastered both of them, now I started using Javascript and learning Javascript. In my learning path I came across...

How to set dynamic slides width in Glide.js

Surprisingly I couldn't find an option for such banal thing. I'm trying to build a slider of that have dynamic content inside. So they have dynamic widths. How can I tell Glide not to assign a...

Why is multiprocessing slower than single-core? Would using joblib or dask make a difference?

The issue I am trying to optimise some calculations which lend themselves to so-called embarrassingly parallel calculations, but I am finding that using python's multiprocessing package actually...

SQLAlchemy best way to filter a table based on values from another table

I apologize in advance if my question is banal: I am a total beginner of SQL. I want to create a simple database, with two tables: Students and Answers. Basically, each student will answer three...

SignalR can't connect using docker compose/container

I'am facing issue with establishing SignalR connection on docker (IIS works well). Main goal is to run docker compose and send data from nodeRed container to webApp (.net core 3.1 Blazor) and via...