knowledgebase | easiest way to add a Knowledge Base | Content Management System library
kandi X-RAY | knowledgebase Summary
kandi X-RAY | knowledgebase Summary
Knowledge Base is an easy to use WordPress plugin that allows you to create a knowledge base / FAQ section on your WordPress blog. This is perfect if you have single or multiple products and want a single knowledge base with little effort. The plugin was born after I tried several free plugins and themes out there and that couldn't fit my purpose. It's designed to be very easy to install and use out of the box. You can view a live demo of my own knowledge base.
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- Render the widget .
- Display the form .
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QUESTION
I am using a 3.5: TFT LCD display with an Arduino Uno and the library from the manufacturer, the KeDei TFT library. The library came with a bitmap font table that is huge for the small amount of memory of an Arduino Uno so I've been looking for alternatives.
What I am running into is that there doesn't seem to be a standard representation and some of the bitmap font tables I've found work fine and others display as strange doodles and marks or they display upside down or they display with letters flipped. After writing a simple application to display some of the characters, I finally realized that different bitmaps use different character orientations.
My questionWhat are the rules or standards or expected representations for the bit data for bitmap fonts? Why do there seem to be several different text character orientations used with bitmap fonts?
Thoughts about the questionAre these due to different target devices such as a Windows display driver or a Linux display driver versus a bare metal Arduino TFT LCD display driver?
What is the criteria used to determine a particular bitmap font representation as a series of unsigned char values? Are different types of raster devices such as a TFT LCD display and its controller have a different sequence of bits when drawing on the display surface by setting pixel colors?
What other possible bitmap font representations requiring a transformation which my version of the library currently doesn't offer, are there?
Is there some method other than the approach I'm using to determine what transformation is needed? I currently plug the bitmap font table into a test program and print out a set of characters to see how it looks and then fine tune the transformation by testing with the Arduino and the TFT LCD screen.
My experience thus farThe KeDei TFT library came with an a bitmap font table that was defined as
...ANSWER
Answered 2021-Jun-12 at 16:19Raster or bitmap fonts are represented in a number of different ways and there are bitmap font file standards that have been developed for both Linux and Windows. However raw data representation of bitmap fonts in programming language source code seems to vary depending on:
- the memory architecture of the target computer,
- the architecture and communication pathways to the display controller,
- character glyph height and width in pixels and
- the amount of memory for bitmap storage and what measures are taken to make that as small as possible.
A brief overview of bitmap fonts
A generic bitmap is a block of data in which individual bits are used to indicate a state of either on or off. One use of a bitmap is to store image data. Character glyphs can be created and stored as a collection of images, one for each character in the character set, so using a bitmap to encode and store each character image is a natural fit.
Bitmap fonts are bitmaps used to indicate how to display or print characters by turning on or off pixels or printing or not printing dots on a page. See Wikipedia Bitmap fonts
A bitmap font is one that stores each glyph as an array of pixels (that is, a bitmap). It is less commonly known as a raster font or a pixel font. Bitmap fonts are simply collections of raster images of glyphs. For each variant of the font, there is a complete set of glyph images, with each set containing an image for each character. For example, if a font has three sizes, and any combination of bold and italic, then there must be 12 complete sets of images.
A brief history of using bitmap fonts
The earliest user interface terminals such as teletype terminals used dot matrix printer mechanisms to print on rolls of paper. With the development of Cathode Ray Tube terminals bitmap fonts were readily transferable to that technology as dots of luminescence turned on and off by a scanning electron gun.
Earliest bitmap fonts were of a fixed height and width with the bitmap acting as a kind of stamp or pattern to print characters on the output medium, paper or display tube, with a fixed line height and a fixed line width such as the 80 columns and 24 lines of the DEC VT-100 terminal.
With increasing processing power, a more sophisticated typographical approach became available with vector fonts used to improve displayed text quality and provide improved scaling while also reducing memory required to describe the character glyphs.
In addition, while a matrix of dots or pixels worked fairly well for languages such as English, written languages with complex glyph forms were poorly served by bitmap fonts.
Representation of bitmap fonts in source code
There are a number of bitmap font file formats which provide a way to represent a bitmap font in a device independent description. For an example see Wikipedia topic - Glyph Bitmap Distribution Format
The Glyph Bitmap Distribution Format (BDF) by Adobe is a file format for storing bitmap fonts. The content takes the form of a text file intended to be human- and computer-readable. BDF is typically used in Unix X Window environments. It has largely been replaced by the PCF font format which is somewhat more efficient, and by scalable fonts such as OpenType and TrueType fonts.
Other bitmap standards such as XBM, Wikipedia topic - X BitMap, or XPM, Wikipedia topic - X PixMap, are source code components that describe bitmaps however many of these are not meant for bitmap fonts specifically but rather other graphical images such as icons, cursors, etc.
As bitmap fonts are an older format many times bitmap fonts are wrapped within another font standard such as TrueType in order to be compatible with the standard font subsystems of modern operating systems such as Linux and Windows.
However embedded systems that are running on the bare metal or using an RTOS will normally need the raw bitmap character image data in the form similar to the XBM format. See Encyclopedia of Graphics File Formats which has this example:
Following is an example of a 16x16 bitmap stored using both its X10 and X11 variations. Note that each array contains exactly the same data, but is stored using different data word types:
QUESTION
I'm using Idris 2 v0.3. I can't see why the compiler can't find an implementation for Gaussian of Distribution in
ANSWER
Answered 2021-May-24 at 04:13Your scoping is wrong; in Distribution d => (d : Type) -> Type, the Distribution d part implicitly binds d, and then it is shadowed by d : Type.
Instead what you want is:
QUESTION
I am using UVdesk for a ticketing system. I have tested it locally and uploaded it to the server. Everything was working fine until recently the UVdesk on the live server started to get logged out frequently while accessing any of the links. It's working fine in my local system. I have checked the server logs but couldn't find any issue in the logs. What is happening is that when I click a link it's giving a 302 response with a redirect to login.
I have enabled the development mode and now I am getting this error while redirected:
...ANSWER
Answered 2021-May-17 at 06:28The issue was that the session was not getting saved on the server. The session path was missing on the server. I fixed it by giving the path in the file uvdesk-community\config\packages\framework.yaml
QUESTION
I've had this error for over 24 hours now. Unlike this question, I only have the 4 A records and 1 CNAME record, which point to github's 4 addresses and myusername.github.io. There's no parking A record which could be causing the error. I've followed all the instructions outlined from github and namecheap
What's preventing github from provisioning my TLS certificate?
...ANSWER
Answered 2021-May-14 at 17:04Turns out it was a glitch from Github. After switching the domain from www.domain.com to domain.com then back to www.domain.com twice, the certificate was provisioned.
QUESTION
When I self sign my app packages, visual studio only allows me to create a security certificate that is valid for one year. How can I create a timestamp url or where can I find a free timestamp url to ensure the MSIX package can be installed, even after the used signing certificate has expired?
Update:
I tried many urls I could find online, most of them gave me the error:
SignTool Error: The specified timestamp server either could not be reached or returned an invalid response.
Finally I found one (http://timestamp.comodoca.com) that worked from this article https://support.comodo.com/index.php?/Knowledgebase/Article/View/68/0/time-stamping-server
...ANSWER
Answered 2021-Apr-28 at 07:02Try one of these, we checked them a few months ago and all worked:
http://timestamp.digicert.com
http://timestamp.comodoca.com
http://timestamp.globalsign.com
http://tsa.starfieldtech.com
http://timestamp.entrust.net/TSS/RFC3161sha2TS
http://sha256timestamp.ws.symantec.com/sha256/timestamp
http://tsa.swisssign.net
QUESTION
I have encountered an issue with our JForg Artifactory v7.12.6
We needed to install our self signed certificate on our servers, added it to the CentOS trust and the java certstore so far so good.
Then restarted the Artifactory. After some investigation of the logs, I saw that the access server doesn't properly start. It terminates with NPE because it can't load a configuration. So the Artifactory service itself fails to start as it can't reach the access server.
access log:
...ANSWER
Answered 2021-Apr-20 at 16:50So I could kind of solve the issue but I don't exactly know what fixed it. I got some vague ideas. We hat do reinstall the Artifactory and reimport an old backup. That's where we noticed that it's not a recent issue but it seams to be from a borked version update that we did two months ago. Artifactory was happily running two months until we restarted it. So all our full backups that we had contain the error.
As far as I can tell it's a corrupted / incompatible access server config. Once a new Artifactory is running and then the backup is imported it will work until the next restart where it loads the configs from the DB. We used the embedded Derby DB, as we only run a couple apps. So not a big Artifactory.
Once it was more or less clear it's a config that lives in the DB we switched to a external postgres DB. With the idea that it would be easier to debug. Installed Artifactory on a test server anew now with postgres instead of the embedded DB, checked the config in the DB, made a copy of it. Imported the backup. Checked the config again and restarted the Artifactory. To our surprise the error was gone. The access server could load the config without an issue and the Artifactory started. Didn't need to amend the config manually.
So my guess is that the embedded Derby DB isn't a s robust or the import process is different to the process that is used for an external DB. Either way, we could recover the Artifactory with the borked backup.
For somebody else with the same or similar error the switching to an external DB might help.
Also regularly test that your backups work
QUESTION
I'm editing a "freshdesk knowledgebase" theme which uses (parts of?) liquid. I don't have a lot of experience.
The knowledgebase uses a structure of category: -> folder -> article
Here's the loop i'm having trouble with. While it outputs the list of available categories, it also prints a duplicate depending on how many articles are inside the folder.
...ANSWER
Answered 2021-Apr-14 at 21:28You can use {% break %} to break the for loop conditionally.
So if you want to render a category only once when it finds a first folder with articles_count > 0 then break the loop and continue for next category like below.
QUESTION
I want to try "Runtime Upgrade" and "Storage Migration". I tried by steps as following,but "on_runtime_upgrade" function did not work. Unable to verify that the "on_runtime_upgrade" function is called. The implemented debug log is not output.
- Download "substrate-node-template 3.0".
- Compile it.
- I ran the node with the following command. "target/release/node-template --dev -l runtime = debug".
- Implement "on_runtime_upgrade" in "palet-template".The program I tried "substrate-node-template/pallets/template/lib.rs" is listed below.
- Compile it by "cargo build --release -p node-template-runtime" command.
- Upload "node_template_runtime.compact.wasm" by using "sudo" & "setcode" command.
- I checked the execution log of the node, but I couldn't check the log set to "on_runtime_upgrade".
--lib.rs--
...ANSWER
Answered 2021-Apr-13 at 11:38This Code works. But "debug::info!" does not work. The value of "Something" would be "32".
QUESTION
According to The Subkey Tool. We can generate a pub/private key using subkey generate like the following:
ANSWER
Answered 2021-Apr-08 at 07:57You can achieve this with subkey inspect .
QUESTION
I want to populate a Wordpress Formidable repeater field with several values. I've created a custom Wordpress plugin with custom code and used https://formidableforms.com/knowledgebase/frm_setup_new_fields_vars/#kb-auto-populate-multiple-rows-in-a-repeater as a reference.
My solution works, however with one hick-up. I can create a new entry without any issues and it shows up as an entry. However, the next new entry is fed the old entries values as defaults. Note that i can still edit that new form and save a new entry.
Somewhere in this Formidable plugin the old entry is assumed as the one to use for default values. What should i change in order to always create a fresh entry (so without unwanted default values in the repeater row)?
Is there perhaps something wrong with the assumption 'form_select' is the correct child form id? Or is there something missing like an 'entry_id' to state this is a new entry?
...ANSWER
Answered 2021-Apr-07 at 12:16Turns out, this only works for text fields. Formidable states (in a support question):
Just to clarify, checkboxes and radio buttons works differently. That function is to be used for setting default values in text fields and not radio buttons/dropdown fields/checkbox fields.
Would have saved me a few hours if this information was written at the link.
I found a 'kind of' solution here. If you want this to work, make sure to create a first entry without any values voor the radio / checkbox / dropdown. The next time you create an entry, the default are still loaded, but they are empty and do not interfer with your form!
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