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tl;dr I'd like to learn a compact, cross-compiler way of selectively suppressing compiler warnings. Consider the case where you really mean to make an exact floating-point comparison using ==, o...
I am currently making an esoteric language which requires a theoretically infinite canvas. Basically, it should be able to resize and fit the contents of the drawing in and outside it's existing bo...
How do I mock tempnam() with vfsStream for code that uses it to create temporary files (for example, in a PHPUnit test)?
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...
I have found this nice library for parsing/writing .elf files as output by e.g. the GCC toolchain: ELFIO I have a bare metal embedded project with an ARM Cortex M target. My goal is to overwrite...
I don't understand why American Virtual Cloud Technologies, Inc and other similar teeny cloud computing platforms still exist, and haven't either gone bankrupt, or been acquired by one of Big Tech...
How do I create a flag that can be used multiple times in a command using the pflag package? For example, let's say I wanted to select multiple fields and did not want to have to use comma-separati...
I am planning to build a "Customer Management Portal" as a hobby project using technologies like HTML,CSS,JavaScript,JAVA,JDBC,Oracle Database.The description of the portal is: 1)Customer details ...
It is possible to create a new formatter class by subclassing string.Formatter class and then to use it like myformatter.format("{foo:customformat}", foo=foo). It's not super-convenient though, and...
Master lists like 82 food subreddits and 128 tech subreddits don't indicate each's subscribers. if it's private. Sometimes moderators can make the sub private for several days, to clean i...
I am slowly modernizing an older ASP.NET Core Web API and one of the steps involved migrating from database first to code first. Now, all schema changes and seeding is covered by migrations which ...
So,I'm having a doubt when I call std:async() on a member function of a class. The book I'm reading says (emphasis mine) You can also pass a pointer to a member function to async(). In that case...
I am currently dealing with an Angular application that is being deployed using an CI orchestrator and Jenkins. Jenkins job is configured to do the following (relevant steps only): fetch source...
I have decide to try out Julia. Is anyone aware of some good resources to get started with the language?
I am currently making a userscript to interpret the APL programming language in a Stackexchange chat window. This is the code I have come up with: // ==UserScript== // @name APL chat // @ver...
I'm trying to understand the purpose of the wait() function in Class future<> for C++. At the moment I don't see any purpose for calling wait() instead of get(). What I have tried in code: i...
I'm using Doxygen to help me figure out some library code. There's an enum I know I need to use, but I don't know which file it's declared in. Searching for that identifier in Doxygen yields the p...
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...
I am building an Android app to perform a DICOM C-Echo. (DICOM is a standard for storing and transferring medical images; the specification is at dicom.nema.org). My purpose is to learn more about ...
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...
Summary I'm building an internal system (hardware simulator, using Rust) to help test some Python-based services that talk to hardware. (The services talk to hardware via TTYs.) To trick the Pytho...
I have a big Cypher query that is depending on a variable. Example: With REGION = 'Canada' query I want to execute this query several times based on different values on a list and return the UN...
When looking for Perl modules to handle JSON strings and/or documents, I found JSON::PP and JSON::XS. The documentation of JSON::PP says it is compatible with JSON::XS. What do these suffixes me...
I have a PHP script that uses CURL to return a JSON result that looks //Curl set up code $result = curl_exec($ch); //Error checking code $json = json_decode($result, true); //Code to process r...
I have recently contributed to a Clean Code project and had a discussion about how to implement unit tests. The project author argues for using an in-memory database (which easily replaces the rea...
I have line-based data on the form x1=y2; a3=b4; c5=d6; ... Matching this with a extended regular expression is fairly straightforward; for example, one can do something not entirely dissimilar...
Background I can see the need to use { } when implementing a function-like macro such as this one: #define HCF(code) fprintf(stderr, "halt and catch fire"); exit(code); Because if we use the f...
We are using Jenkins to run our system tests on a regular schedule. The Jenkins job downloads some python scripts from Perforce, runs them and compares the outputs with known-good results. The pro...
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?
When writing Python-based apps (e.g. Django, Flask, etc.), it's often the case that import statements can be found all over the place, often more than once for the same module. For example, you can...
I have decided to convert a legacy database-first ASP.NET Core project to code-first. However, I have noticed that the project used the same database as another bigger project and the Entity Framew...
Is there any guarantee regarding initialization of static and thread_local objects? In example, is there any guarantee about the value printed by the following program? #include<iostream> s...
In PHP one can either use include or require to include files, the difference is that if the file doesn't exist it will emit a fatal error and halt with a require and only emit a warning with inclu...
Due to a series of unfortunate events I have some tables where the auto_increment value got behind what it should be. If the auto_increment value is 9 and there are 20 rows in the table the next 1...
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...
Lets say I have two tables, A and B and I need to join a subset of them. Is there best practices of sticking the conditions in the WHERE clause like this, SELECT * FROM A JOIN B on a.fk_b = b....
I have a very large table that I need to iterate through with a PHP script and I can't do all of the results at once so I do it in sections with a LIMIT like for ($x = 0; $x < 10000000; $x += 1...
Microsoft.Build.Evaluation.Project seems to have some rather odd ideas of what values to use when loading projects. In particular, I have a number of projects with the following dependency: <Pa...
When discussing best or safest C programming practices with various C gurus on the Internet, the "MISRA-C guidelines for the use of C language in critical systems" often pops up as a source. This ...
I do a lot of rebasing and amending of my topic branches. I don't think it's especially useful for me or my colleagues to see in the logs what date it was when I first started working on the partic...
I am interested in performing a LEFT JOIN using LINQ-2-SQL when working with method call notation. This answer suggests a way that relies on GroupJoin but it is more verbose than expected: var le...
Summary/Context I'm currently working to improve performance and throughput of our automation infrastructure, most of which is a combination of Bash/Shell scripts, Python scripts, Docker, Jenkins,...
So I had a table with a primary key and a bunch of different columns. Columns A, B, and C were all unsigned ints (like the primary key column) and each column had a unique constraint I dropped the...
I need to drop all of the stored procedures from my MySQL database before I recreate them. How can I do so?
I have added Swagger UI for an ASP.NET Core 3.1 application and I have realized that all endpoints requiring Windows Authentication fail. This issue is created by the fact that generated HTTP reque...
The problem I am working on a simple drawing app for Android. I have a custom view on which the user can draw. This means that a lot of data (a list of points) is generated in this View. I want t...
I have tables A and B and then I have a many to many join table with foreign keys to both called a_b. Neither foreign key can be null and the combinations for the foreign keys to A and B are unique...
I'm facing rsync full syncs every once upon a time, I think it's because DST, notice an hour of difference: $ ls -l tier2/VIDEO-2020-06-17-15-10-27.mp4 /Volumes/KINSTON2/dat/laptop_kinstones/tier2...
My project has the following set up for the production and preproduction ("clone") environment. Production is not accessible at all for the development team, only the preproduction database. Pr...
In a stored procedure let's say I have a VARCHAR variable, DECLARE example_variable VARCHAR(100); how much memory is allocated to it and is that independent of the length of the data in the var...
