head | Powered by Unhead | REST library
kandi X-RAY | head Summary
kandi X-RAY | head Summary
Document head manager for Vue 3. @vueuse/head is a Vue composition API that helps you manage , and other elements inside document head, it has no dependencies and we always try to keep it as slim as possible.
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of head
head Key Features
head Examples and Code Snippets
Lines of Code : 5
License : No License
Copyconst head = arr => (arr && arr.length ? arr[0] : undefined);
head([1, 2, 3]); // 1
head([]); // undefined
head(null); // undefined
head(undefined); // undefined
def _tensor_list_column_heads(self, parsed, max_timestamp_width,
max_dump_size_width, max_op_type_width):
"""Generate a line containing the column heads of the tensor list.
Args:
parsed: Parsed arguments public T pollFirst() {
// If the head is null, return null
if (head == null) {
return null;
}
// First, let's get the value of the old head
T oldHeadVal = head.val;
// Now, let's remove th def is_palindrome_dict(head):
if not head or not head.next:
return True
d = {}
pos = 0
while head:
if head.val in d.keys():
d[head.val].append(pos)
else:
d[head.val] = [pos]
head Community Discussions
Trending Discussions on head
QUESTION
I have a navbar that is rendered in every route while the route changes on click.
./components/navbar.jsx
...ANSWER
Answered 2022-Feb-09 at 23:28You are rendering the navbar outside the routing context. The Router isn't aware of what routes the links are attempting to link to that it is managing. The reason routing works when directly navigating to "/experiences" is because the Router is aware of the URL when the app mounts.
QUESTION
I have been using github actions for quite sometime but today my deployments started failing. Below is the error from github action logs
...ANSWER
Answered 2022-Mar-16 at 07:01First, this error message is indeed expected on Jan. 11th, 2022.
See "Improving Git protocol security on GitHub".
January 11, 2022 Final brownout.
This is the full brownout period where we’ll temporarily stop accepting the deprecated key and signature types, ciphers, and MACs, and the unencrypted Git protocol.
This will help clients discover any lingering use of older keys or old URLs.
Second, check your package.json dependencies for any git:// URL, as in this example, fixed in this PR.
As noted by Jörg W Mittag:
For GitHub Actions:There was a 4-month warning.
The entire Internet has been moving away from unauthenticated, unencrypted protocols for a decade, it's not like this is a huge surprise.Personally, I consider it less an "issue" and more "detecting unmaintained dependencies".
Plus, this is still only the brownout period, so the protocol will only be disabled for a short period of time, allowing developers to discover the problem.
The permanent shutdown is not until March 15th.
As in actions/checkout issue 14, you can add as a first step:
QUESTION
In my version of clang and libc++ (near HEAD), this static_assert passes:
ANSWER
Answered 2022-Mar-26 at 23:21std::vector and other containers (except std::array) are specified to have a copy constructor. This is not specified to be conditional on whether or not the element type is copyable. Only instantiation of the copy constructor's definition is forbidden if the element type is not copyable.
As a result std::is_copy_constructible_v on the container will always be true. There is no way to test whether an instantiation of a definition would be well-formed with a type trait.
It would be possible to specify that the copy constructor is not declared or excluded from overload resolution if the element type is not copyable. However, that would come with a trade-off which is explained in detail in this blog post: https://quuxplusone.github.io/blog/2020/02/05/vector-is-copyable-except-when-its-not/.
In short, if we want to be able to use the container with an incomplete type, e.g. recursively like
QUESTION
Consider following code
...ANSWER
Answered 2022-Mar-03 at 21:14You are correct, this is due to match ergonomics. The first case should hopefully be self explanatory, but the second and third cases can be a bit counter-intuitive.
In the second case:
(x,)is a non-reference pattern (see the second example in the RFC). Thettuple reference is dereferenced, andxis bound as arefas it also is a non-reference pattern. Note thatt.0was a reference to begin with, thus resulting inxbeing a double reference.(&y,)is also a non-reference pattern. Thettuple is dereferenced again to a(&i32,). However,&yis a reference pattern being matched to a&i32reference. Henceyis bound withmovemode and is ani32.
In the third case:
Using the same reasoning as the second case,
uis dereferenced viaDerefcoercion to an(i32,), andx, a non-reference pattern, is bound inrefmode. Hencexis an&i32.Again with the same reasoning as the second case,
uis dereferenced to an(i32,). The&yreference pattern is then matched to ani32, a non-reference, which causes an error.
QUESTION
The following code compiles and run with Clang (tested on 13, 14, and current git head), but not with GCC.
...ANSWER
Answered 2022-Mar-02 at 16:35Without a declaration of field, this isn’t even valid syntax: the < can’t begin a template argument list, and expressions aren’t allowed there in a member-declaration. (With a suitable declaration, it could be an invalid declaration with two types and no variables.) Definitely diagnosable, and definitely a Clang bug.
QUESTION
Recently I have found the %$% pipe operator, but I am missing the point regarding its difference with %>% and if it could completely replace it.
%$%
- The operator
%$%could replace%>%in many cases:
ANSWER
Answered 2022-Feb-08 at 23:14In addition to the provided comments:
%$% also called the Exposition pipe vs. %>%:
This is a short summary of this article https://towardsdatascience.com/3-lesser-known-pipe-operators-in-tidyverse-111d3411803a
"The key difference in using %$% or %>% lies in the type of arguments of used functions."
One advantage, and as far as I can understand it, for me the only one to use %$% over %>% is the fact that
we can avoid repetitive input of the dataframe name in functions that have no data as an argument.
For example the lm() has a data argument. In this case we can use both %>% and %$% interchangeable.
But in functions like the cor() which has no data argument:
QUESTION
I'm learning about different memory orders.
I have this code, which works and passes GCC's and Clang's thread sanitizers:
...ANSWER
Answered 2022-Jan-04 at 16:06The thread sanitizer currently doesn't support std::atomic_thread_fence. (GCC and Clang use the same thread sanitizer, so it applies to both.)
GCC 12 (currently trunk) warns about it:
QUESTION
I am trying to try a sample project in Flutter integration email and google based login, and planning to use firebase initialisation for doing it while I have followed all the steps as mentioned in tutorials I am getting this error as soon as firebase is attempted to be initialised.
...ANSWER
Answered 2021-Dec-25 at 09:13UPDATE:
For your firebase_core version is seems to be sufficient to pass the FirebaseOptions once you initialize firebase in your flutter code (and you don't need any script tags in your index.html):
QUESTION
This is my file
...ANSWER
Answered 2021-Dec-07 at 21:11I suggest with bash:
QUESTION
We're facing an issue where any event listeners or global variables we attach to window does not seem to be there in our production build (but they are there in the development build).
- Webpack config: https://gist.github.com/saadq/9f2f800c88716d11410e63859382f47d
- Build script:
webpack --mode=production
Context:
We have a use case where our webapp renders inside a parent app. The parent app basically needs to tell us when we need to render our app. To do this, we have tried using event listeners as well as global functions.
How our app is loaded into the parent appTo render our webapp inside the parent app, the following happens:
- The parent app makes an HTTP call to
myappwebsite.com/asset-manifest.json. This is like the defaultasset-manifest.jsonthat gets created for anycreate-react-appwebapp. - The parent app finds the path to the main
bundle.jsfrom this asset manifest, and then makes an HTTP call to fetch ourbundle.jsusing this path (e.g.myappwebsite.com/bundle.js). - They dynamically inject a
scripttag into theirheadwith itssrcset to ourbundle.jsto load our app's bundled javascript. - They listen for the
onloadevent of this newscriptelement before trying to call any of our code or dispatching any events.
Child app:
...ANSWER
Answered 2021-Sep-13 at 20:19Add a node entry with global: true to your config:
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