fselect | Find files with SQL-like queries | SQL Database library
kandi X-RAY | fselect Summary
kandi X-RAY | fselect Summary
Find files with SQL-like queries.
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fselect Examples and Code Snippets
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QUESTION
I'm trying to reproduce the following output of dplyr
code with R
package collapse
.
dplyr
Code
ANSWER
Answered 2021-May-01 at 19:28The fmean
by default uses na.rm = TRUE
. Also, there is an option to specify the grouping within fmean
i.e. g
. By default, TRA
is NULL
and it returns a summarised output, but we can change it to replace_fill
to return the full length
QUESTION
this code is supposed to help me target menus, but I don't understand how it works and what it means by first? they are all first .. and where are the second and third ..
...ANSWER
Answered 2021-Jan-11 at 04:50If d1
class is child
then you can simply target all d1
divs using $(".fs-option.d1")
and add class to them addClass("child")
no need to use each loop.
Demo Code :
QUESTION
I'm trying to select a subset of items from object A to store it in object B. Seems like a very simple task, but for some reason the result is not what I'm expecting. I select 1 item from object A and want to store it in a particular index of object B:
fselection.categories[cindex].name = categories[cindex].name;
However, the selected item from object A is stored in every index of object B, not only at the cindex
. See below MWE.
I tried to work around the issue by writing a plain old for-loop, but also that doesn't resolve it. What is more, this time, object A is filled with empty strings in every position?
...ANSWER
Answered 2020-Nov-03 at 15:58In your snippet, you populate fselection.categories with this code:
QUESTION
env: node: No such file or directory
I checked if my directory for node wasn't wrong and it's fine.
I tried these following answers already: 1. https://github.com/nodejs/node-v0.x-archive/issues/3911 2. https://github.com/creationix/nvm/issues/1702 3. browserify error /usr/bin/env: node: No such file or directory
...ANSWER
Answered 2018-Aug-15 at 09:30Try
node -v
to see whether you've installed node. I think your node not works.nvm
is the environment managment for node. If you are usingnvm
, you shouldbrew install nvm
, and usenvm install version-of-node-you-want-to-install
to install node, and usenvm use the-version
to let node works.Whole install chain is:
brew install nvm
, to installnvm
, which is environment/version management for node.nvm install 10.3.0
, to installnode
andnpm
npm install -g yarn
, to installyarn
use
node -v
,npm -v
,nvm -v
,yarn -v
to check if they all works.
QUESTION
Im using this bootstrap dropdown list to select by using checkboxes, all fine just want to add in success after create new record to remove the selected items and keep them unselected.
...ANSWER
Answered 2020-Feb-08 at 10:55Those are not really checkboxes ! but select option
, so you can unselect like below:
QUESTION
I am able to display a video stream from an mp4 video by writing byte samples directly to the Enhanced Video Renderer (EVR) sink (thanks to answer on Media Foundation EVR no video displaying).
I'd like to do the same thing but for a webcam source. The current problem I've got is that my webcam only support RGB24 and I420 formats and as far as I can tell the EVR only supports RGB32. In some Media Foundation scenarios I believe the conversion will happen automatically provided a CColorConvertDMO
class is registered in the process. I've done that but I suspect because of the way I'm writing samples to the EVR the color conversion is not being invoked.
My question is what sort of approach should I take to allow RGB24 samples read from my webcam IMFSourceReader
to allow writing to the EVR IMFStreamSink
?
My full sample program is here and is unfortunately rather long due to the Media Foundation plumbing required. The block where I attempt to match the EVR sink media type to the webcam source media type is below.
The problem is the setting of the MF_MT_SUBTYPE
attribute. From what I can tell tt has to be MFVideoFormat_RGB32
for the EVR but my webcam will only accept MFVideoFormat_RGB24
.
ANSWER
Answered 2020-Jan-07 at 20:19I needed to manually wire up a colour conversion MFT (I'm pretty sure some Media Foundation scenarios wire it in automatically but probably only when using a topology) AND adjust the clock set on the Direct3D IMFSample provided to the EVR.
Working example.
QUESTION
With code below it is possible to draw rectangles using the mouse. Each rectangle is stored in a TQueue
(list) which not can exceed 2 elements (this value can be customized). My goal with these two areas drawn is that the first can be cut and the second can not, where the final result looks like this:
How can I achieve this? The cut procedure must happen after both areas are drawn. All that I made until now was the inverse procedure (I think). Follow the code:
...ANSWER
Answered 2019-Oct-11 at 02:04All you need to do is to combine a third region to your combined region in a mode that would produce the outcome you require. Possible modes are explained in the function's documentation.
The below example is an accordingly modified version of the OnMouseUp
event handler. It assumes the larger rectangle is drawn first. Modifications include accounting for the caption and borders for the drawn rectangles (because mouse up handler provides client coordinates but SetWindowRegion
requires a region with window coordinates) and deleting the regions when they are not required any more.
QUESTION
In the code below I would like the previously drawn rectangle to not be erased when the next rectangle is drawn. How achieve this?
...ANSWER
Answered 2019-Oct-10 at 20:52When the form's client area is invalidated the entire surface is marked for redrawing. The next time OnPaint
is called, what is painted is what is in the event handler. You draw one rectangle and so you see one.
You need to accumulate the information related to the rectangles you need to draw. Then in the paint handler, you can refer to the information and draw them all.
Below example is the slightly modified version of the code in the question. It substitutes a TQueue
of rectangles in the place of unused integer variables (pos1, pos2..). A rectangle is queued and any excess rectangle is dequeued when mouse the button is released. Maximum number of recalled rectangles is defined by a constant. The paint handler enumerates the queue to draw the rectangles.
QUESTION
How to clear fSelect
multi-select drop-down in click event, Here is an example By Clicking on Clear button It should remove all Selected value.
ANSWER
Answered 2018-Sep-11 at 10:50You could clear by looping through the option and unselect them like :
QUESTION
I have a class
...ANSWER
Answered 2019-Feb-13 at 23:07These field names are not equal. There is a difference: f
teacherConfirm
and f
TeacherConfirm
. Probably, you are using Lambok
which generates for you getters and setters. In this specific scenario where field names has one strange letter f
Lambok
probably creates is-method
like below:
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
Vulnerabilities
No vulnerabilities reported
Install fselect
Install Rust with Cargo and its dependencies to build a binary
Run cargo install fselect
Install Chocolatey
Run choco install fselect
Install Scoop
Run scoop install fselect
Install brew
Run brew install fselect
Install MacPorts
Run: sudo port selfupdate sudo port install fselect
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