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I'm trying to log error messages from Requests exceptions. Example: try: make_web_request() except RequestException as ex: logging.error(ex) Example output: ERROR : ('Connection abo...
An as yet unanswered OpenOffice Calc - Highlighting the higest value in multiple columns posted by Rui on Super User from early this year asked whether a condition was possible to: fill with a c...
Say I want to implement a very basic group chat application. I use the H2 database, a user class, a controller, and a text file in the Resources folder that stores the chat texts. All texts would b...
I saw at least one compiler (Codewarrior for HC12) warn me if I use a function without using it's return value. Other compilers (clang/gcc) do not issue a warning though, even when using the std=90...
This is meant as a FAQ Q&A regarding variable-length arrays (VLA). The two bugs described below are surprisingly common. I'm trying to use the variable-length arrays feature of C99 (and newe...
if (type=="dialer") { String timestamp = list.get(position).get(Constants.DATE); holder.txtTimestamp.setVisibility(View.VISIBLE); holder.imgDelete.s...
Situation: I have an Azure account which has management permissions for various subscriptions in various directories (tenants). I have a GUI tool to do various management tasks whose details are ir...
Try It Online! is an online interpreter for many supported languages, including PHP. I'm trying to solve coding challenges using the language, specifically "Hello, {name}!". In PHP, you can litera...
When doing something simple such as this int a=1; int b=2; int c=3; printf("%d\n", a + b * c); then I was told that operator precedence guarantees that the code is equivalent to a + (b * c)...
I need to add one column with the same name to all of the tables in my database, how can I find which tables don't currently have a column with that name?
I found a confusing construction in several stored procs in an MS SQL 2008 R2 database: DATEADD(dd, 0, DATEDIFF(dd, 0, some_date)) As I understand it, these are the relevant function signatures: D...
There are two broad types of build environments - in-source and out-of-source. "In-source" means the compiled files will appear in the same directory as source files. "Out-of-source" means there is...
If one is using SASS to build a websites CSS and using version control one can either, Keep both the SASS and the resulting CSS files in version control. Only storing the SASS files in version con...
Whenever I search in google why a specific language is interpreted language, I get differences between compiled languages and interpreted languages but nowhere the benefit for being interpreted rat...
A user of Web Applications gave the following as an example: https://docs.google.com/spreadsheets/d/1nPTBFXaIgpruPgNoWFSBUL2yKaibjeNJNExhnHVr8LE/edit#gid=0 and asked: How do I read a long ro...
I added the numbering. It's a virtual machine. Basically, it's one or more computers pretending to be one or more computers. Believe it or not, this is incredibly useful. Say you have som...
I have recently an issue at work after upgrading an ASP.NET Core 3.1 application to .NET 5. It worked correctly on all environments (e.g. PreProd, Prod) when targeting 3.1, but failed on Prod only ...
I have following setup: flutter plugin with an example app the plugin depends on a native library (flutter_plugin.podspec contains s.dependency 'native-lib', '0.1.0') for local development I pull ...
I have a parent-child relation in my table, with possibly circular cases. Is it possible to break the infinite recursion in CTE checking values of all previous rows? I would need something like thi...
I have a simple HTML-PHP contact form with some CSS. I desire to prevent the default behavior of the form which leads the user into a blank PHP page after submission, and, to have the form being s...
I have some SQL scripts that contain DDL to create tables and schemas for a database. I'd like to be able to comment this SQL and then use those comments to generate output documentation (in HTML)...
I have been using open-source software, and the open-source Community is great at maintaining such projects. But I have observed something in smaller open-source projects. Whenever I demand some f...
I understand that any World Wide Web interaction works this way: Stage 1: Client (human or software) ⟶ User agent ⟶ HTTP/S web-server request (with an unresolved domain) Stage 2: ISP-initiated Rou...
Are there practical reasons for designing/implementing a method(s)-only class/object? Follow-up background notes: This question is for languages that are not exclusively Object-Oriented, for exam...
My HTML form got dir="rtl" attribute and value and in desktop computer systems it appears Right to Left (RTL) but in my mobile device (OnePLus 6) with Android and DuckDuckGo browser, the form's HTM...
The Problem I have a path optimization problem that in some ways reminds me of the Traveling Salesman Problem, but differs in some key respects. I have a group of items that need to be used by a m...
I'm using Python to invoke another program in a sub-process. I've noticed my memory sometimes gets so large as to crash the system, and I'm wondering if I'm not correctly cleaning up the memory som...
I have extensive working experience with Entity Framework ORM and have noticed two major ways of writing LINQ (LINQ2SQL): lot of eager loading: the most prevalent, uses (lots) of Includes to eag...
Pre-suppose I have pictures numbered 1 to 400. I want to simultaneously combine every 4 pics in 1, so that I end up with 100 collages. Picture 1-4, 5-8, 9-12 ... will be combined. Indubitably it's...
Is uint8_t guaranteed to be a character type if it exists? Will using a uint8_t* to examine bytes of an object cause violation of the strict aliasing rule? Is the following legal code: #include &l...
I have a PHP program that does a SELECT and then updates some of the values based on an algorithm. Rather than updating one row at a time UPDATE example_table SET COLUMN_A = 1 WHERE primary_k...
For holding ordered sets of keys, there are well-known data structures (the red-black tree, for example) that support O(log(n)) lookup and insertion algorithms. Of course this means that there triv...
A user of Web Applications asked how to: +1 when the value is >=5, +2 when the value is >=10, +3 when the value is >=15, +4 when the value is >=20, +5 when the value is >=25...
I am developing a modular HTML-PHP-CSS no-JavaScript (JavaScriptless) contact form and the HTML is becoming increasingly large, around 80 lines (and could easily grow to be significantly larger as ...
I would assume the following content types would be standard when creating a web shop with Drupal but maybe I am wrong: Home page Article page Product page Service page Another page Are t...
I have several classes (C_1...C_n) and their instances (I_1....I_m). I have a "Registry" R of these. There are several pieces of data (d_1...d_k) spread across various instances. This much is set ...
I can't get a response from IPv4 dig on my server but I can get one from IPv6 dig. See the below output: $ dig +short myip.opendns.com a @resolver1.opendns.com # Doesn't return anything, this used ...
In order to test that coredumps are generated and that they contain useful information which can be retreived with gdb I need to generate a SIGSEGV. Or anything else which causes a coredump. The co...
When creating a new Blazor Webassembly project, there is a checkbox ASP.NET Core hosted where if selected will create three projects at once, a blazor webassembly project, an ASP.NET Core project, ...
Problem I'm trying to update some projects from old-style .csproj: <?xml version="1.0" encoding="utf-8"?> <Project ToolsVersion="14.0" DefaultTargets="Build" xmlns="http://schemas.mi...
In Android Studio, when I click on a variable. It redirects me to where the variable was declared. Even, when coder writes lot of code than, it becomes hard to find "main" object by scrolling. Rub...
In response to a Q on Web Applications [WA] the asker self-answered with: =CONCATENATE("@ £/€ rate: ",text(J21,"0.00000")) The issue was that, with "in a cell J21 I have a set value 1.10000":. ...
Consider this code: while(arr[index] != 0) index++; vs while(arr[index] != 0) { index++; } Personally, I prefer the first. The fact that the braces are not needed makes them -- u...
I handle several projects that use yaml files for configuration, and load them with YamlDotNet. It is sometimes useful to log the effective configuration when the program starts, to aid future debu...
I have finally received access to a trial account on OpenAI and I took it for a spin. My interest is with code generation, so first tried something simple using the playground: Q: generate a stand...
I get the impression that there are two general types of contact forms: A regular contact form where all fields are in one webpage ; such form might be very long for a potential customer ("too m...
I'd like some help understanding why the third call to print() raises AttributeError: 'NoneType' object has no attribute 'format' from os import path import inspect def myfunction(): pri...
Using the below graph as an example: I am trying to determine all Persons which are_sons of Persons all born in the same country. Is there an elegant way to achieve this with Cypher?
After upgrading a Web application from ASP.NET Core 3.1 to ASP.NET Core 5.0, it worked fine on an existing server. However, when deployed on a server that had only .NET 5.0 installed, the applicat...
