symbology | 🔖 Generates 1D , 2D , or composite barcodes | Barcode Processing library
kandi X-RAY | symbology Summary
kandi X-RAY | symbology Summary
This Node.js module will allow you to generate over 50+ different types of 1D or 2D symbologies, including barcodes for books, grocery, shipping carriers, healthcare, and international codes. It can create a PNG, SVG, or EPS image file, or return a string containing SVG, PostScript, or base64-encoded PNG data.
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QUESTION
I have a dataset that I am trying to loop through and filter for only the "exchanges" that I am looking for. I've tried any()
but it doesn't seem to be working. Can someone please let me know what I am doing incorrectly?
My desired output is a list that contains "NASDAQ"
or "NYSE"
.
ANSWER
Answered 2021-May-29 at 15:23The problem with your original code is that the builtin any
function is meant to take a sequence of Boolean values and return True if any of them are True, but you passed it a list of exchanges.
Instead, you should check whether each exchange is present in the data, and use any
to figure out if this was True for one or more exchanges:
QUESTION
I want to create a column in a table in postgres for special needs, this column must consist for example of a concatenation of two another column.
for example i have
...ANSWER
Answered 2021-Mar-17 at 09:17You can use a generated column.
QUESTION
I have have a model which I am pulling data from and adding it into a table on my page. There is a particular field I am returning which contains a combination of 64 version of {x}
. Replacing each version with a corresponding image.
For example, the data is returned in the format of {B}
, {B}{U}
,{B}{B}
,{1}{W}{R}
. There are 64 different version of {x}
which could be arranged in any combination. I have corresponding .png
files for each version, and I am trying to replace the text with the image.
My code below only works if there is an single instance of a version, however I also think it would be very inefficient if I were to do this for each of the 64 versions. It doesn't work if there are multiple of the same version, eg. {B}{B}
Is there a way I could loop through each one and replace it with the correct image.
html
...ANSWER
Answered 2020-Nov-24 at 00:09I'm not sure I fully understand your question but did you try looping through the images and concatenating them with the rest of the image URL? I would try something like:
QUESTION
I have implemented Cognex cmbSDK completely in my app. And i'm using trial version. Key and everything is implemented correctly, When i click on button it opens camera and also displays the features but it is not scanning any type of code. Can you please help me why it is not working?
Here is my code:
...ANSWER
Answered 2020-Jul-30 at 10:49- Can you please be more specific about the code that you like to scan because from the code I can see that you selected only UPC_EAN, DATAMATRIX, and C128 ( also see if this symbology is enabled in your license key )
- All symbologies used for the symbology parameter in this method can be found in ReaderDevice.java.
Examples readerDevice.setSymbologyEnabled(Symbology.QR, true, null);
Here is our Knowledge Base for more information - https://cmbdn.cognex.com/v2.3.x/knowledge/cognex-mobile-barcode-sdk-for-android/using-cmbsdk
You can always open a ticket on the Cognex webpage.
Best Regards, Cognex Mobile Solutions Team
QUESTION
I need to use this plugin: https://github.com/jaeyun0/cordova-plugin-m3scan so i added it to project and initialized in my app.component.ts but next i need use methods from this plugin to handle barcode and i dont know how to do it. I read many articles about this topic, but i don`t found answer.
m3scan.js:
...ANSWER
Answered 2020-Jul-14 at 14:07You have to declare the methods in this file(here) and then you can access within the m3scan
variable.
For example, as you have scanStart
method in your java class. you need to register that method in above-mentioned file.
as like:
QUESTION
So I have a random color function that I want to apply to a selection of points but it gives me a random color for each point rather one random color for the selection of points.I know the selecting part works but I'm not sure how to make it call upon that random color generator only once per color. Here is what I have so far. Thanks for any advice/help!
...ANSWER
Answered 2020-Jul-01 at 20:14You need to generate the random colour outside of the function and then pass it in as a parameter rather than generating a new colour every time the function is called. Also, you don't seem to be using the StringAttribute parameter of the function, is this really required?
e.g.
QUESTION
I want to assign a border to line feature. In the below code, I am able to assign stroke color as per the type of road but I want to assign another border on it. for e.g. I want to assign a border to the last else statement. whatever features fall in that category should border along with the stroke color. how I can achieve this?
...ANSWER
Answered 2020-Jun-22 at 11:37As long as you don't have any transparency in the inner color you can use an array of overlapping stroke styles
QUESTION
I am trying to train Gensim Doc2Vec model on tagged documents. I have around 4000000 documents. Following is my code:
...ANSWER
Answered 2020-Jun-14 at 15:57The Doc2Vec
mode you've chosen, dm=0
(aka plain "PV-DBOW"), does not train word-vectors at all. Word vectors will still be randomly-initialized, due to shared code-paths of the different models, but never trained and thus meaingless.
So the results of your most_similar()
, using a word as the query, will be essentially random. (Using most_similar()
on the model itself, rather than its .wv
word-vectors or .docvecs
doc-vectors, should also be generating a deprecation warning.)
If you need your Doc2Vec
model to train word-vectors in addition to the doc-vectors, use either the dm=1
mode ("PV-DM") or dm=0, dbow_words=1
(adding optional interleaved skip-gram word training to plain DBOW training). In both cases, words will be trained very similarly to a Word2Vec
model (of the 'CBOW' or 'skip-gram' modes, respectively) – so your word-based most_similar()
results should then be very comparable.
Separately:
- if you have enough data to train 300-dimensional vectors, & discard all words with fewer than 100 occurrences, then 50 training epochs may be more than needed.
- those
most_similar()
results don't particularly look like they're result of any lemmatization, as seems intended by yourtext_process()
method, but maybe that's not an issue, or some other issue entirely. Note, though, that with sufficient data, lemmatization may be a superfluous step - all variants of the same word tend to wind up usefully near each other, when there are plenty of varied examples of al the word variants in real contexts.
QUESTION
I've created the below figure in R to visualize my raw data and predictions from a model that I ran. Predictions are given as lines and raw data as circles. Data from 2018 are currently visualized as open circles or solid lines while 2019 data is visualized as closed circles and dotted lines. Marine fish data is anything black while freshwater fish data includes anything grey. As it stands, the legend is a little funky to understand. I would like to do 2 things.
Rather than having Direction symbolized in the legend as points and lines, I would like just a rectangle showing the respective colors.
I would like to separate the Year symbology. I would like it formatted like this:
solid line (white space) 2018 (white space) solid circle
dashed line (white space) 2019 (white space) open circle
Heres my data:
...ANSWER
Answered 2020-Apr-10 at 23:33There is something called Transmitter
in your lmer()
call which is not found in the data you provided. But since the question is just about plotting, I created a new simple linear model called lm1
. The lines aren't in the right place, but should be close enough to get the plotting points across.
To answer your questions:
- See
override.aes
e.g this answer - Not sure if this is possible, at least without an overly complex solution. I changed the shapes to be filled triangles so it is easier to distinguish up vs down as well as color. I also made the lines slightly thinner (
size = 1
) which I think helps with legend clarity.
QUESTION
I downloaded OSM route data and opened it in QGIS in order to see if traffic flow direction could be displayed (and this is the case). To do so, I just changed the symbology by replacing the simple line symbol by the arrow.
So, I am wondering where this information is stored in the downloaded route data? How is QGIS able to display it?
...ANSWER
Answered 2020-Mar-09 at 14:35Community Discussions, Code Snippets contain sources that include Stack Exchange Network
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