vargs | Open given files / Call vim function | Text Editor library
kandi X-RAY | vargs Summary
kandi X-RAY | vargs Summary
Open given files / Call vim function with given strings using Terminal API (xargs for vim).
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Top functions reviewed by kandi - BETA
- main is the main entry point for testing
- scan scans data until a separator character is reached .
- readEach is a helper function that reads runes from r until ctx is done .
- makeMsgBuilder returns a new message builder function .
- convertSeparators converts a string into a slice of runes
vargs Key Features
vargs Examples and Code Snippets
Community Discussions
Trending Discussions on vargs
QUESTION
I'm doing the SICP exercise of filtering a list based on the odd/even-ness of the first argument. For example:
...ANSWER
Answered 2021-May-24 at 21:34You can use apply
to make the recursive calls without using a helper function. Its last argument is a list, which will be spread into arguments in the function call. This allows you to pass first
again as well as (cdr lst)
.
You can also just use cons
to build a new list from an element and a subsequent list, rather than creating a temporary list to use append-list
.
QUESTION
I'm trying to make a function AddVector
that adds a (variable) number of vectors element wise. I think I got it, but as I get the wrong output, I clearly don't. I'm adding three vectors of doubles, each sized 5, containing 1+2+1, thus I expect
ANSWER
Answered 2021-Feb-07 at 11:21Not sure where lies your problem yet, You found it yourself :) ... But this is how I would implement it with C++17 and sizes:
QUESTION
#include
template
void Func(Args... args)
{
// WANT: Get the address of the first argument
// TRIED:
// va_list vargs = (char*)&(args);
// va_list vargs = (char*)&(args)...;
// va_list vargs = (char*)&(args...);
// GOT:
// 'args': parameter pack must be expanded in this context
}
...ANSWER
Answered 2020-Oct-03 at 16:07Simpler would be to split argument in signature:
QUESTION
I have a function which has the following call signature:
...ANSWER
Answered 2020-Sep-04 at 03:29Thanks to the advice of @hpaulj - the simplest solution appears to be to put pbar in the global scope and use it from there, viz
QUESTION
I'm making a movie player with libav. I have decoding video packets working, I have play in reverse working, I have seeking working. All this works no an x86 android emulator, but fails to work on a real android phone (arm64-v8a)
The failure is in sws_scale()
- it returns 0. The video frames continue to be decoded properly with no errors.
There are no errors, warnings, alerts from libav. I have connected an avlog_callback
ANSWER
Answered 2020-Aug-26 at 16:50This is a known bug in FFMPEG on ARM architecture.
A workaround was posted by mythtv that involves subtracting 1 from the destination width in order to bypass broken optimization code.
https://code.mythtv.org/trac/ticket/12888
https://code.mythtv.org/trac/changeset/7de03a90c1b144fc0067261af1c9cfdd8d358972/mythtv
Reported against FFMPEG 3.2.1 http://trac.ffmpeg.org/ticket/6192
Still exists in FFMPEG 4.3.2
QUESTION
When using broadcasting, rather than broadcasting scalars to match the arrays, the vectorized function is instead, for some reason, shrinking the arrays to scalars.
MWE:Below is a MWE. It contains a double for loop. I am having trouble writing faster code that does not use the for loops, but instead, uses broadcasting/vectorized numpy.
...ANSWER
Answered 2020-Jun-14 at 02:59In your loops, n0
and n1
are elements of the nested M_
lists, each 3 elements.
QUESTION
I am attempting to adapt the accepted answer code from this link for my purpose: Plot gradient arrows over heatmap with plt
I am working on a project that requires me to take a thermal image in the form of a .csv file and then take the data from the .csv file to make arrows (via quiverplot streamplot etc.) that show the direction of the heat flow from the hottest point (highest pixel value) on the image. I think that this could be achieved using the gradient of the image but I am unsure how to implement that.
Here is my code:
...ANSWER
Answered 2019-Oct-02 at 19:03I'm guessing the error occurs due to this pair of statements:
QUESTION
I wrote a small logging wrapper using NSLogv
:
ANSWER
Answered 2019-Oct-01 at 11:43Look's like bug in NSLogv
function, because NSLog
, printf
, vprintf
works fine.
I can suggest use macro instead:
QUESTION
I'm trying to convert a list of quaternions to their corresponding orientation matrix using the Transforms3d python package.
Each quaternion is a 4 element list/array of the inputs and using the transforms3d.quaternions.quat2mat(q) function it returns the 3x3 orientation matrix.
I have a list of some 10K-100K quaternions that need converting (nx4 array) and while it's easy enough to do this with a loop, I think it could be quicker if there was some way of vectorising the process.
Some searching suggested I could simply do something like np.vectorize() but I'm struggling to make that work. A list comprehension works fine, but I guess the numpy vector solution would be much quicker.
...ANSWER
Answered 2019-Aug-27 at 15:34As was suggested, the best way to improve performance was to vectorise quat2mat, and the results (%timeit
) support that:
quat2mat() in loop for 2000 quaternions:
17.3 ms ± 482 µs per loop (mean ± std. dev. of 7 runs, 100 loops each)
vectorised quat2mat_array() for 2000 quaternions:
1.11 ms ± 16.8 µs per loop (mean ± std. dev. of 7 runs, 1000 loops each)
Should have just done that first instead of messing with np.vectorise()
! Thanks for the re-focus!
QUESTION
I have created this function:
...ANSWER
Answered 2019-Jun-27 at 13:38You can't compare np.nan
with np.nan
using ==
you should use np.isnan
:
so change all your comparisons to:
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