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I made a bubble sort implementation in C, and was testing its performance when I noticed that the -O3 flag made it run even slower than no flags at all! Meanwhile -O2 was making it run a lot faster...
I'm taking a photo with the newest camera plugin version and I'm using code from flutter example. This is how I pick a camera: final cameras = await availableCameras(); final firstCamera = cameras....
Is there a way to make it so that jest always mocks my modules so I don't need to include it in all my jest tests? Currently I have a config file // src/__mocks__/config.js export default { dbConfi...
In order to determine the current locale I found different approaches: Being in the browser, most people suggest looking at the HTTP headers (Accept-Language) Some people suggest consulting navigat...
So, how do I know the scroll direction when the event it's triggered? In the returned object the closest possibility I see is interacting with the boundingClientRect kind of saving the last scroll ...
as the title says, I want to perform a find (one) for a document, by _id, and if doesn't exist, have it created, then whether it was found or was created, have it returned in the callback. I don't ...
Is it a fair assumption that in v8 implementation retrieval / lookup is O(1)? (I know that the standard doesn't guarantee that)
I have two "unlocked" devices, an iPad mini 3, and a Galaxy Edge 6, both endowed with a terminal and a minimalistic set of unix commands. I thought both devices have arm64 processors but when I ran...
I'm currently trying to poll gpio value with only shell script. I basically developped the script with a test file before using /sys/class/gpio/gpioxx/value This is the solution I found : #!/bin/ba...
Just to clarify, this is a question about backing up a discrete Realm file itself to iCloud Drive, so that it would be visible in the iCloud Drive app. Not synchronizing the contents of the file to...
is there a way to easily recreate the modal presentation style of ios 13' new share sheet? (At first, it's only presented halfway and you can swipe up to make it a "full" modal sheet) I can do it u...
All of the following examples use var str = "Hello, playground" Swift 4 Strings got a pretty big overhaul in Swift 4. When you get some substring from a String now, you get a Substring type back ra...
Here are three possible solutions that can rewire your aliased imports to relative paths in the files itself without touching other parts of the code base. babel-plugin-module-resolver (JavaScript ...
I have the following Dockerfile that uses the latest Ubuntu image pulled from dockerhub: FROM ubuntu:latest RUN apt-get update && apt-get install -y g++ llvm lcov when I launch the docker build com...
Several times throughout the day, I may be running a test where I need to look through a log file on a remote server. I've gotten used to using my terminal to sftp into the remote server and pull t...
I would like to get a list of open files in a process on os x (10.9.1). In Linux I was able to get this from /proc/PID/fd. However I'm not sure how to get the same on OS X. I found that the procfs ...
Background: I'm doing some user interface tests that need to detect if people are paying attention or not. But, this question is not about the page visibility API. Specifically, I would like to kno...
Trying to get a large (and working on Xcode 11!) project building in Xcode 12 (beta 5) to prep for iOS 14. Codebase was previously Obj-C, but now contains both Obj-C and Swift, and uses pods that a...
I am trying to switch an app I am building over to use Redux Toolkit, and have noticed this error coming up as soon as I switched over to configureStore from createStore: A non-serializable value w...
I think this is a bug in Chrome, or at least a needless restriction. This is easily tested. I created a simple example HTML file, which downloads 25 copies of the same javascript file (with a query...
I'm unable to run go get git@github<user/repo> in my $GOPATH folder. Getting this error: go: cannot use path@version syntax in GOPATH mode I just want to understand why go get isn't working even th...
What I'm trying to achieve is a textarea that starts out as a single line but will grow up to 4 lines and at that point start to scroll if the user continues to type. I have a partial solution kind...
How do I add the Visual Studio Developer's Command Prompt to the list of Windows Terminal consoles?
I'm using the new experimental docker buildkit syntax to do a multistage build, as so: Dockerfile: RUN --mount=type=cache,target=/home/build/.build-cache,gid=1000,uid=1001 ./build bash: DOCKER_BUIL...
Block Devices are such device which deals with a chunk (512, 1024 bytes) of data during an I/O transaction. "struct bio" is available for block I/O operations from Kernel-Space. This structure is c...
Google Colaboratory supports Python version 2.7 and 3.6 I saw an example how to use Swift in Colab a while ago. Today, I happened to run !jupyter-kernelspec list And found a new kernel: IRkernel Av...
If you double-click English text in Chrome, the whitespace-delimited word you clicked on is highlighted. This is not surprising. However, the other day I was clicking while reading some text in Jap...
What is the simplest/best way to ensure only one instance of a given script is running - assuming it's Bash on Linux? At the moment I'm doing: ps -C script.name.sh > /dev/null 2>&1 || ./script.name...
About two months ago we started using Rollbar to notify us of various errors in our Web App. Ever since then we have been getting the occasional error: ResizeObserver loop limit exceeded The thing ...
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