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QUESTION
How can i retrieve those two lines:
Changing discoverable off succeeded [CHG] Controller 64:6E:69:F4:9E:72 Discoverable: no
Basically grabbing the output or other possible error outputs and discarding the rest of the garbage
I'm attempting to do a fork of a very simple bluethooth dmenu bash script, and I am being somewhat successful at it, but since I've considered releasing it to the public, it has to have error handling and be a generally rounded script, etc...
What im trying to now do is when i echo "power off" | bluethothctl i want to get the messages it sends internally like: Changing discoverable off succeeded, org.bluez.something is blocked, etc...
I've tried while read -r debug, putting it to a $( ) and then debugging it with notify or echo but i always get either the outside garbage(like Agent registered, [IFROGZ] discoverable off, etc..)
Is there a way i can grab those delicious internal message's bluetoothctl sends internally to a variable without boogaloo tactics(like outputting everything to a file and then reading it)
I think what i said above is the only thing you hopefully solve this question for me but just because previously i've been downvoted for not showing code here's a part of it
...ANSWER
Answered 2021-May-07 at 12:39I am not sure that bluetoothctl
was intended to be used in this way. BlueZ has a documented API that uses DBus bindings available for most languages at:
https://git.kernel.org/pub/scm/bluetooth/bluez.git/tree/doc/
This can be done from the bash command line below:
QUESTION
I'm using an ADO Command object to generate parameterized queries against SQL Server.
If i generate and supply multiple parameters, all the parameter values are passed - except the first one.
If you imagine a query like:
...ANSWER
Answered 2020-Feb-10 at 14:11You should use EmptyParam
instead of Null
in your cmd.Execute
statement (which is the Parameters
argument).
QUESTION
I'm currently trying to figure out how SVG.js calculates the corrected bounding box x, y coordinates (top left corner) from an SVG text object.
My SVG object looks like the following:
...ANSWER
Answered 2020-Feb-09 at 06:05The simple answer is: we use the browser api to get the bounding box (el.getBBox()
). Our bbox()
method is just a simple wrapper around that. In case of text we don't calculate any corrected bounding box. We have some magic involved when moving the text because text is normally moved by its baseline but we unified the api so that all shapes are moved by their upper left corner.
If you want to know how a browser calculates the bounding box of text, you can have a look at this answer: reproduce Bounding Box of text in Browsers
TL:DR the numbers you get are different from browser to browser. And ofc you need the font file
QUESTION
I am using itext 5 legacy for the first time and I am new to app development. I am generating a table that keeps splitting the columns into new rows on a new page and it would repeat the data.
The first Table: The second table with split columns and repeating data:
The table is required to be one long row. Please help me rectify this,
Here is the code:
...ANSWER
Answered 2020-Jan-29 at 15:06In createPdf
you have a loop that adds sections of the template with the whole table to separate pages:
QUESTION
I'm trying to display my initial state from my store. I know my code is not correct but i'm hoping to learn the most simple method for this. Can I simply receive data from the store with props? or do I need some lifecycle event to target data in the store?
Here is my current attempt: I have edited this to include my reducer and I have updated my component as per the comments below.
...ANSWER
Answered 2020-Jan-10 at 08:35use a lifecycle method for updating the component
like shouldComponentUpdate method,
props change Doesn't cause rerender only state change cause rerender, is such case store the props as state is also a solution (inappropriate)
QUESTION
I'm trying to program a simple top-down dungeon crawler in Pygame and I've already hit a roadblock in designing my collision response. So far I've programmed player movement, collision detection (only knows when a player hits a wall) and player-to-mouse rotation, the latter of which is disabled to simplify this solution.
I've tried the normal method of moving the character, checking for collision, changing the character's position if needed and then drawing all elements to the screen.
...ANSWER
Answered 2019-Jun-04 at 21:47Don't overcomplicate. When the player is moved, the calculate the new position and update the .rect
property of the Player
object:
QUESTION
I just made a clock (The 100 hour is just testing) in JavaScript. I don't know what is wrong, but it will not work. Can anyone please help?
I have searched everywhere in the code, nothing looks wrong.
...ANSWER
Answered 2019-Apr-17 at 13:25You are assigning 0 to the variable rather than checking it,
Instead of "=" it should be "==" or "==="
"==" Checks the value
"===" Checks the value and type Recommended
Try this
QUESTION
I have an Angular JS app that I wrote for a POS system. I have modal window that pops up for the user to print a receipt. The window popup and on timeout, window.print is called. All of content that I want printed from the modal shows up, but for some reason, I am seeing a large box with rounded corners underneath my content only when printing.
I am not sure of the best way to troubleshoot that box because I don't see it in the source, nor on the screen. I only see it in print preview and the printed page. Any ideas of how I can get to inspect the actual html there?
print css
...ANSWER
Answered 2019-Feb-26 at 02:51You can use dev tools to set the device rendering to specific sheets and then inspect the dom to debug the issue.
QUESTION
I have tried including the link to the stylesheet in the head of the JSP file as well as trying the @import option in my project stylesheet. Nothing has worked. I also haven't been able to find a webjar or any such thing.
CSS:
...ANSWER
Answered 2017-Dec-30 at 05:01There isn't anything special about Spring MVC or JSP in regards to using a Google Font.
In my experience, the external files (like css, javascript, and images) usually go in either the WebContent folder (standard build), or the webapp folder (maven build).
I don't believe the c:url tag is necessary for this.
Standard Example: [root]/WebContent/[whatever folder structure makes sense]/main.css
MVN Example: src/main/webapp/[whatever folder structure makes sense]/main.css
I happen to like the structure like -> /view/page/[specific page]/[files]
Then, in the JSP:
QUESTION
I am using the Divi WordPress theme, which adds Google Fonts via a function, in their core.php file.
Is there a way in PHP / WordPress to override just part of a pre-existing function? I would like to add something to my child theme's function.php to add additional font weights to the Montserrat array.
Sure, I could probably overwrite the entire function, but I was hoping there's a way to edit just the Montserrat array, to add more weight options.
This is the theme's function that adds some pre-set weights:
...ANSWER
Answered 2017-Sep-27 at 14:09You can use the 'et_builder_google_fonts' filter:
Add this to your functions.php to add an extra weight to the Tangerine font for example:
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