pointless | CircleCI Chrome extension that enhances browsing experience | Browser Plugin library
kandi X-RAY | pointless Summary
kandi X-RAY | pointless Summary
Pointless is a CircleCI Chrome Extension that enhances your browsing experience while developing. For example, while viewing a project on GitHub, you can see its build status and follow/unfollow that project on CircleCI right from the GitHub page.
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of pointless
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QUESTION
I'm trying to read a file from STDIN, process it with paper.js and return the results.
To get there I first tried to do it by reading in a file from the fs like this:
...ANSWER
Answered 2021-Jun-11 at 15:15I'm not able to reproduce it with another svg file like https://upload.wikimedia.org/wikipedia/commons/2/21/Speaker_Icon.svg.
Could you please link your svg file ?
I suggest you to try with the following code, as readFile on stdin could not work properly (https://github.com/nodejs/node-v0.x-archive/issues/7412)
QUESTION
I've been playing around with metaclasses to try and get a good feel of them. A really simple (and pointless) one I came up with is the following:
...ANSWER
Answered 2021-Jun-10 at 12:16I realize this may create more trouble than it solves, but if you don't plan to derive anything from MappingMeta, this seems to get around the problem (in that your code above runs).
QUESTION
I'm trying to apply a default value to a generic. But whenever the generic is not provided, the generic is defaulting to the value given to an argument. I want to prevent this from happening. Here's a very simple example:
...ANSWER
Answered 2021-Jun-03 at 17:13You can get around the type inference by using another type parameter and filtering out the default values. You can even do this without having to make type assertions.
Example CodeQUESTION
I have a problem: I have an activity and a class. The class makes a request over the network and returns the result. The activity has an object of this class, through this object the activity accesses the class and returns information. I attach pieces of code on the topic:
...ANSWER
Answered 2021-Jun-04 at 07:55What you need is an interface which helps to act as a sort of callback. Your logical assumption is correct that since it is Async it returns after a while and till then the data is already gone back to your activity.
So here is what you can do. Create an interface.
QUESTION
I am new to RxJs in general but am investigating a bug in some React code in which, upon an unrelated action, an old event seems to be emitted and rendered to a display error. Think if you had two buttons that generated two messages somewhere on screen, and clicking one button was showing the message for the other button.
Being new to RxJs I'm not positive where the problem lays. I don't see a single ReplaySubject
in the code, only Obserable
s, Subject
s, and BehaviourSubject
s. So this is either misuse of an RxJs feature or just some bad logic somewhere.
Anyway I found the code with the related Observable
and I'm not quite sure what this person was trying to accomplish here. I have read up on combineLatest
, map
, and pipe
, but this looks like pointless code to me. Could it also be somehow re-emitting old events? I don't see dynamic subscriptions anywhere, especially in this case.
Tldr I don't understand the intent of this code.
...ANSWER
Answered 2021-May-21 at 19:09Could it also be somehow re-emitting old events?
Yes, it probably is. BehaviorSubject
has the unique property of immediately emitting the last value pushed to it as soon as you subscribe to it.
It's great when you want to model some persistent state value, and it's not good for events whose actual moment of occurrence is key. It sounds like the feedback messages you're working with fall into the second category, in which case Subject
is probably a better choice.
does it look like each time this thing renders it subscribes and then unsubscribes to the above Subject?
Not exactly. useEffect
accepts a callback, and within that callback you can optionally return a "cleanup" function. React will hang onto that function until the effect is triggered again, then it calls it to clean things up (which in this case consists of closing out the subscription) to make room for the next effect.
So in this case, the unsubscribe will only happen when the component is rendered with a new value for notifications$
. Also worth pointing out that notifications$ will only change if it's either passed as a prop or created within the component function. If it's defined outside the function (imported from another file for example), you don't need to (and in fact should not) put it into useEffect
's dependency array.
QUESTION
I need to write a script to "validate" email addresses by taking user input and checking that the string is separated into 2 segments by an '@' symbol (it's honestly pointless - I know).
I can figure out validating the '@' symbol, but I can't seem to figure out how to implement this to validate that the '@' separates the string into 2 segments. I honestly don't know where to start.
...ANSWER
Answered 2021-May-21 at 06:14You can use str.split() and maybe use regular expressions.
https://www.geeksforgeeks.org/python-string-split/
However, instead of checking if there are spaces in email address, simply find and delete them using str.split(' ') and create valid email.
QUESTION
I'm no data structures expert, but as I understand it linked lists have proven to be quite inefficient in most scenarios mostly due to cache misses. One of the few reasons I would ever consider using them is for the unique ability to merge/split two of them in constant time; yet the class doesn't provide such a method.
I thought, all right, I will implement my own to fit my needs. I wanted the new class to follow the Collections framework API so I had it implement and extend the very same classes the standard LinkedList did. Soon I realized that I was just recreating LinkedList and all of this was pointless. At that point I might as well just copy paste the code and add the methods that I need.
On the same note, I can't find a reason (besides perhaps thread-safety which I am far from fully grasping yet) why there isn't such a method. Everything seemed like a standard linked list implementation and a method similar to splice()
from the C++ STL could fit in there.
Am I missing something?
...ANSWER
Answered 2021-May-19 at 21:17Java's implementation of native linkedlist has issues. There's no way to move nodes within a list or between lists, no equivalent to C++ std::list::splice(). All iterators to a link list become invalidated if there is an insertion or a deletion of a node anywhere in a linked list, unless the insert or delete is done using an iterator parameter, in which case all iterators but the one used to do the insert or delete are invalidated. Iterators can't be shallow copied, assignment just points the destination iterator to the same iterator object pointed to by the source iterator.
These issues make operations like merging or merge sort difficult, even more so for an iterator based operation.
In the case of Visual Studio C++ std::list, deletion of nodes only invalidates iterators to deleted nodes, and only in a debug build. In a release build, no iterators are invalidated, and it's up to the programmer to ensure deleted nodes don't result in iterators pointing to deleted objects.
As for why Java's native linkedlist has these limitations, Sun's stated reason at the time is they wanted a "compact framework" rather than be consistent with C++, which predates Java collections by 4 years (1998 for Java collections, 1994 HP copyright date shown at the end of most or all STL include files in the case of Visual Studio 2005 and prior versions of Microsoft and other C++ compilers). This is in spite of the fact that one of the predecessors to collections, JGL, did have the goal of being consistent with C++.
https://en.wikipedia.org/wiki/Java_collections_framework#History
There are other criticisms of Java, such as not having unsigned integers, treating primitives and objects differently, with a limited set of operations for primitives, ...
QUESTION
It is my understanding that Azure Table Storage stores all datetime fields as UTC AKA Zulu Time.
Currently I am in the UK 11th May 2021 at 18:10. The current TimeZone here is BST (+1:00).
If I serialise that into JSON using the RoundtripKind option
...ANSWER
Answered 2021-May-17 at 22:10To preserve the offset during serialization/deserialization, yes - you should use the DateTimeOffset
type instead of DateTime
.
With regard to Azure Table Storage, while the SDKs support DateTimeOffset
, unfortunately the service itself does not. Thus saving a DateTimeOffset
value to Azure Storage will result in the equivalent UTC DateTime
being stored, as given by the .UtcDateTime
property of the DateTimeOffset
. When retrieving, you will have a DateTimeOffset
whose date and time are the equivalent UTC date and time, and the offset will be zero.
Thus, if you really need to keep track of the offset, you'll need to store that in a separate column, and combine the two in your controller upon return. The DateTimeOffset.ToOffset
method is the easiest way to do that correctly.
Alternatively, if you only need the date and time parts to be correct, you could fib a little and use a UTC DateTime
even if the value isn't actually in UTC. Just call DateTime.SpecifyKind
with DateTimeKind.Utc
on the way in, and with DateTimeKind.Unspecified
on the way out. You'll loose the offset, but if you don't need it anyway then this can work.
QUESTION
A couple of weeks ago, I started getting into Python mainly because I wanted to learn a programming language, but also to get a little piece of software that I want to use when playing other games.
The program I have started programming consists of a tkinter window with a dynamically updating plot created with matplotlib. There are a total of 4 sliders, 3 of which are linked.
The goal is to get the different parameters needed for a Hohmann transfer orbit between two planets.
As I am not really experienced with programming in general, I like fooling around doing dirty workarounds or just not write clean code in general just to understand things.
I've successfully made a working version of the program I need, but as I said, it's pretty dirty and barely uses any object, so I took on the task to remake it in an improved way, using objects and less redundant code.
Here is the code of the working version:
...ANSWER
Answered 2021-May-15 at 18:01I eventually figured out how to do it after a good night of sleep, here is a working version that uses the B1-Motion and ButtonRelease events instead of updating everytime one slider is moved because it would execute the command twice by just moving one slider. This led to the value being used for the calculation not being the current one because of how things are processed.
QUESTION
I've been trying to look into different examples for texturing in OpenTK, however, little to no code examples use the same approach as I desire or a lot of pointless workarounds are required that do not fit my needs. I am simply trying to draw images in OpenTK without their UVs being distorted or malformed. Or rather, how do I malform them to fit the primitive (in this case quad/square) wherever its positioned at in the 2D world?
Consider this image (It's my texture I'm trying to fit inside a quad primitive):
This is the unwanted result. As you can see, it is cropped. I don't care about the wrapping because I plan on fitting the whole image inside the square (No aspect ratio needed). Different wrapping settings did nothing. The image's center is still outside the square.
The transparency and palette is my thing to worry about, I only need help fitting the whole image inside the square!
This is my code for loading textures:
...ANSWER
Answered 2021-May-14 at 12:51All you need to do is to specifytexture coordinates in range [0.0, 1.0]:
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