place | An open-source recreation of Reddit 's /r/place | Runtime Evironment library
kandi X-RAY | place Summary
kandi X-RAY | place Summary
An open-source r/place alternative, made by Dynastic. Want to chat? Join our Discord server.
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QUESTION
I'm new to Python. I have a dictionary where some fields are dates ( datetime.datetime type) and I need to use comprehension to convert those to MM/DD/YYYY strings in a new cloned dictionary.
I was getting started with
...ANSWER
Answered 2021-Jun-16 at 02:15You can use a conditional expression:
QUESTION
Most of my WordPress websites have a background image in the top fold. These images are the Largest Contentful Paint Element on the page and usually they get loaded last. Somewhere I read that 'Background images are last in line to be grabbed when a page is loaded'. Is it true?
Is it a good idea to use a place holder or image in the place of the background image and then change it later so that the LCP gets loaded quickly like below.
ANSWER
Answered 2021-May-14 at 01:42You don't want to use a placeholder image to prioritize your background images in situations like this, you want to use . That will tell the browser to start downloading the image as soon as possible.
Try adding the following code to the of your page, and then use your background image as normal. It should load much faster:
QUESTION
im getting this message all over the place and cant figure out why its happening, any help would be appreciated.
the error message is A non well formed numeric value encountered in
the code where im getting the error message is $stmt->bindParam("ss",$delete, $dateMaker->getTodayDate());
the class im calling is set up very simple return date("Y-m-d");
ANSWER
Answered 2021-Jun-15 at 21:21The 3rd parameter of bindParam must be integer not a date
QUESTION
Warning: I'm not good at JavaScript, I based the JavaScript part off of this post.
So I have a little Script that should set theDuration to an HTML element in the front window of active tab. I looked at the HTML and the Element in full is 00:10:00. I want theDuration to be 00:10:00. I know you can set JavaScript variables to the JavaScript code below since it's mentioned in the post I based it off of, but when I try to run the code down below, it doesn't work.
ANSWER
Answered 2021-Jun-15 at 07:20I think, you should request for innerHTML, and indicate the expected result type. Not tested, because I have not Google Chrome and your webpage:
QUESTION
In C++20, we got the capability to sleep on atomic variables, waiting for their value to change.
We do so by using the std::atomic::wait method.
Unfortunately, while wait has been standardized, wait_for and wait_until are not. Meaning that we cannot sleep on an atomic variable with a timeout.
Sleeping on an atomic variable is anyway implemented behind the scenes with WaitOnAddress on Windows and the futex system call on Linux.
Working around the above problem (no way to sleep on an atomic variable with a timeout), I could pass the memory address of an std::atomic to WaitOnAddress on Windows and it will (kinda) work with no UB, as the function gets void* as a parameter, and it's valid to cast std::atomic to void*
On Linux, it is unclear whether it's ok to mix std::atomic with futex. futex gets either a uint32_t* or a int32_t* (depending which manual you read), and casting std::atomic to u/int* is UB. On the other hand, the manual says
The uaddr argument points to the futex word. On all platforms, futexes are four-byte integers that must be aligned on a four- byte boundary. The operation to perform on the futex is specified in the futex_op argument; val is a value whose meaning and purpose depends on futex_op.
Hinting that alignas(4) std::atomic should work, and it doesn't matter which integer type is it is as long as the type has the size of 4 bytes and the alignment of 4.
Also, I have seen many places where this trick of combining atomics and futexes is implemented, including boost and TBB.
So what is the best way to sleep on an atomic variable with a timeout in a non UB way? Do we have to implement our own atomic class with OS primitives to achieve it correctly?
(Solutions like mixing atomics and condition variables exist, but sub-optimal)
...ANSWER
Answered 2021-Jun-15 at 20:48You shouldn't necessarily have to implement a full custom atomic API, it should actually be safe to simply pull out a pointer to the underlying data from the atomic and pass it to the system.
Since std::atomic does not offer some equivalent of native_handle like other synchronization primitives offer, you're going to be stuck doing some implementation-specific hacks to try to get it to interface with the native API.
For the most part, it's reasonably safe to assume that first member of these types in implementations will be the same as the T type -- at least for integral values [1]. This is an assurance that will make it possible to extract out this value.
... and casting
std::atomictou/int*is UB
This isn't actually the case.
std::atomic is guaranteed by the standard to be Standard-Layout Type. One helpful but often esoteric properties of standard layout types is that it is safe to reinterpret_cast a T to a value or reference of the first sub-object (e.g. the first member of the std::atomic).
As long as we can guarantee that the std::atomic contains only the u/int as a member (or at least, as its first member), then it's completely safe to extract out the type in this manner:
QUESTION
i'm trying to use public publicRuntimeConfig inside a TypeScript plugin with no success. With JS plugins i have no problems. But now i'm really stuck, i think i don't look at the right place.
The question is how can i access to this config in a TypeScript plugin ?
Here's my nuxt.config.js:
...ANSWER
Answered 2021-Jun-15 at 20:42Nuxt makes the $config available in two ways: as this.$config on every component instance, and context.$config passed to "special nuxt lifecycle areas like asyncData, fetch, plugins, middleware and nuxtServerInit" (docs).
It looks like you need to access the $config outside a component, so you'll need to retrieve it early in the request cycle. In particular, since you're mutating the Vue.prototype, this feels like a good fit for a plugin in the Nuxt sense, which isn't quite what you've got in your code.
If you put your plugin file in the plugins directory and reference it from the plugins array in nuxt.config.js (see link above for a broader example), you could rewrite it like this to access $config:
QUESTION
I was working on my project and was using pm2-runtime command for the runtime environment but the problem coming in my terminal while running the command npm i gives 2 level warnings that are
ANSWER
Answered 2021-Apr-01 at 10:22Install latest PM2 version:
QUESTION
I have a WPF app, linked to a SQL-server. I am using the MVVM-light package (I do actually have Prism.Core installed, but I'm not sure if I'm using it or not.... new to MVVM).
There's a DataGrid, bound to an ObservableCollection.
I have been trying to implement the PropertyChangedEventHandler, but I can't seem to get it to work.
I have a Delete button bound, and I am able to remove rows, but when I re-open the form, the changes does not carry over.
I tried to change the binding-mode for the DataGrid from OneWay to TwoWay. With OneWay, the changes does not carry over when I re-open the form. With TwoWay, I get this error message when opening the child form (which contains the DataGrid):
System.InvalidOperationException: 'A TwoWay or OneWayToSource binding cannot work on the read->only property 'licenseHolders' of type 'Ridel.Hub.ViewModel.LicenseHoldersViewModel'.'
So, If I then add a set; to my public ObservableCollection licenseHolders { get; },
the program runs, but the previous problem persists, like it did when there was a OneWay mode configuration on the DataGrid.
What do I need to do to get this to work without communicating directly with the Sql-server, which would defy the whole point of using this methodology in the first place?
ANSWER
Answered 2021-Jun-15 at 13:26You are confusing topics. The VM needs InotifyPropertyChanged events, which you have but are not using, to notify the Xaml in the front-end that a VMs property has changed and to bind to the new data reference.
This is needed for Lists or ObservableCollections. Once that is done, the ObservableCollection will then send notifications on changes to the list as items are added or removed.
Because you miss the first step:
QUESTION
Context: I am creating a Django management command which will accept a positional argument. This argument is a location. My goal is to use the location value to refer to a corresponding variable.
I have a global variable named Boston_webhook. This is a simple string which contains a long URL which is just a MSteams webhook...
I have an additional global variable named Budapest_webhook which contains the same data type, but instead refers to a webhook related to the Budapest location.
In my script, a connector variable has to be defined in order to send the message to the correct place.
...ANSWER
Answered 2021-Jun-15 at 17:01Use dictionary to map names of webhooks to webhooks itself - like this
QUESTION
I'm trying to docerize my NodeJS API together with a MySQL image. Before the initial run, I want to run Sequelize migrations and seeds to have the tables up and ready to be served.
Here's my docker-compose.yaml:
ANSWER
Answered 2021-Jun-15 at 15:38I solved my issue by using Docker Compose Wait. Essentially, it adds a wait loop that samples the DB container, and only when it's up, runs migrations and seeds the DB.
My next problem was: those seeds ran every time the container was run - I solved that by instead running a script that runs the seeds, and touchs a semaphore file. If the file exists already, it skips the seeds.
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