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StackOverflow.com
Random snippets of all sorts of code, mixed with a selection of help and advice.
Airflow Papermill - No file output for Jupyter Notebook
25 February 2026 @ 10:43 am
I am currently working on a Airflow pipeline, using Taskflow API. The objective is to execute a Jupyter Notebook, and to get the result.
My airflow instance is launched inside WSL, and I can access without problem the api-server and execute bash or python task.
Here the dag I want to execute
import pendulum
from airflow.sdk import dag, task
@dag(
schedule=None,
start_date=pendulum.datetime(2025, 2, 23, tz="UTC"),
catchup=False,
tags=["test", "taskflow", "spark"],
)
def jupyter_pipeline():
@task.virtualenv(requirements=["notebook", "apache-airflow-providers-papermill", "scrapbook", "pyspark", "cloudpickle"], venv_cache_path="/tmp/anime_venv")
def read_jupyter_notebook():
"""
#### Read Jupyter Notebook
Task to read a Jupyter Notebook, and execute code inside
"""
f
Can I keep TelerikGrid Pageable automations alongside custom API pagination?
25 February 2026 @ 10:38 am
The premise
I'm working on a Blazor program which handles a database of companies and related CRUD operations.
I'm on .NET 8.0, writing on Visual Studio Community 2026 v. 18.3.2, with InteractiveServer as the default solution-wide render mode, and Telerik UI for Blazor v. 13.0.0.
The goal
I would like to have the API-side pagination work alongside the TelerikGrid component automations that come with the Pageable parameter, without modifying the API and without passing the whole dataset to the Blazor program.
The issue
As of now, the TelerikGrid component is receiving a single page of data, for the pagination is handled by the API, and therefore it results in a pagination bar with a single index because it sees the 10 elements as the entire collection of data; while I understand why this happens, this behaviour is unintended.
Conan C++ package and 3rd party license requirements
25 February 2026 @ 10:36 am
I'm using conan v2, and building a soft based on 3rd parties.
I'm searching for the best way to fulfill the 3rd parties license requirements:
list all external dependencies
get their license text and optionally the required NOTICE file (for Apache v2)
considering that i may use a build environment with or without access to the internet and my target is to have a json file containing all info needed to build after a latex or markdown based document
I'm looking at conan sbom and conan audit but for now I didn't find a way to really get what I would like out of those command.
Regards
Is it possible having two (or more) 'background' sections in a cell?
25 February 2026 @ 10:34 am
I'm newbie in APEX. I'm using APEX 24.2.13 and FullCalendar 6.1.15
By default, 'background' overlaps cells:
Would it be possible get this?:
Thanks in advance!!!
PD: Please, excuse me for posting mostly images but because my lacking in English
"A picture is worth a thousand words" ;-)
Would it be possible get this?:
Thanks in advance!!!
PD: Please, excuse me for posting mostly images but because my lacking in English
"A picture is worth a thousand words" ;-)Does digital marketing has future?
25 February 2026 @ 10:34 am
I want an honest and practical answer about whether digital marketing has a strong future as a career. Please explain the long-term scope, job opportunities, salary growth, required skills, and how AI and automation may impact this field. I’m especially interested in understanding if digital marketing is a stable and sustainable career option for beginners in the coming years.
How to set timeouts for requests for static files in HTML?
25 February 2026 @ 10:31 am
So I have an HTML-file like this
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<script src="report-errors.js"></script>
<script src="https://unreachable.xxx/page.js"></script>
<title>My Page!</title>
</head>
<body>
<div>Loading...</div>
</body>
</html>
unreachable.xxx is unreachable for some reason: all requests there are being dropped by a firewall and no response to any of them is sent back.
But for the user it looks like an infinite loading state. Obviously, something went wrong — in my case the developer used wrong storage, that's guarded by a firewall. The problem is that I don't even know that my page is unreachable, because the script from report-errors.js reports o
High disk usage growth in GridDB Community Edition (/var/lib/gridstore/data)
25 February 2026 @ 10:24 am
I am using GridDB Community Edition and facing an issue where disk usage
in /var/lib/gridstore/data increases by 8GB per day.
Environment:
GridDB Version: GridDB v4.6 Community Edition
OS: Red Hat Enterprise Linux release 8.5 (Ootpa)
Current Settings:
I have already enabled compression in gs_node.json:
"storeCompressionMode": "COMPRESSION"
The issue:
Even with compression, the .db files continue to grow rapidly.
Is this growth expected for this data volume?
How can I trigger or optimize checkpoints to reclaim space?
Does GridDB automatically shrink .db files after row deletion?
Any advice on how to mitigate this disk usage would be appreciated.
Added Context for Stack Overflow:
"When I restarted GridDB, the RECOVERY_MANAGER reduced the disk usage significantly.
However, it started increasing by 8GB/day again immediately after.
I want to achi
how to assign different values to a parameter of vector of record
25 February 2026 @ 10:20 am
I have a record with default parameter values for a system. I'm building a vector of system, so I build a vector of the record. I want to be able to edit this vector of record using the Dymola interface, so that I can make ajdustments to the default parameter prior simulation. This works fine.
To distinguish the various elements of system while editing the vector of record in the parameter's interface, I want to assign a default property to each element of the vector which is a differenciating property of the considered system. Which means the differenciating property must be assigned before the simulation.
The differenciating property values are computed eleswhere and are stored as parameter in a vector.
How can I assign the differenciating properties to each element of the record before the simulation, so I can edit them in the parameters's interface ?
I tried first to initialise the vector of records using:
record R "record"
Register metadata in accessor that survives pipes
25 February 2026 @ 10:16 am
I'm trying to combine pandas custom accessors and defining original properties.
I would like an original property to be defined in an accessor and to survive pipe operations.
Consider the following example:
import pandas as pd
@pd.api.extensions.register_dataframe_accessor("geo")
class GeoAccessor:
def __init__(self, pandas_obj):
self._obj = pandas_obj
def start(self):
print("start")
self._initial_shape = self._obj.shape
return self._obj
def end(self):
print("Previous shape:", self._initial_shape)
return self._obj
df = pd.DataFrame({"x": [1, 2, 3],
How to configure log4j2 for multiple hive processes
25 February 2026 @ 10:16 am
Looking through documentation and articles is not helping me to decipher configuration.
The default hive setup shows
name = HiveLog4j2
# list of properties
property.hive.log.level = INFO
property.hive.root.logger = DRFA
property.hive.log.dir = ${sys:java.io.tmpdir}/${sys:user.name}
property.hive.log.file = hive.log
property.hive.perflogger.log.level = INFO
# console appender
appender.console.type = Console
appender.console.name = console
appender.console.target = SYSTEM_ERR
appender.console.layout.type = PatternLayout
appender.console.layout.pattern = %d{ISO8601} %5p [%t] %c{2}: %m%n
# daily rolling file appender
appender.DRFA.type = RollingRandomAccessFile
appender.DRFA.name = DRFA
appender.DRFA.fileName = ${sys:hive.log.dir}/${sys:hive.log.file}
# Use %pid in the filePattern to append <process-id>@<host-name> to the filename if you want separate log files for different CLI session
appender.DRFA.filePattern = ${sys:hive.log.dir}/${sys:hive.log.f
960.gs
CSS Grid System layout guide
960.gs
IconPot .com
Totally free icons
Interface.eyecon.ro
Interface elements for jQuery
Interface.eyecon.ro
ThemeForest.net
WordPress Themes, HTML Templates.
kuler.adobe.com
color / colour themes by design
webanalyticssolutionprofiler.com
Web Analytics::Free Resources from Immeria
webanalyticssolutionprofiler.com
WebAIM.org
Web Accessibility In Mind
2026 Predictions: The Next Big Shifts in Web Accessibility
22 December 2025 @ 11:22 pm
I’ve lived long enough, and worked in accessibility long enough, to have honed a healthy skepticism when I hear about the Next Big Thing. I’ve seen lush website launches that look great, until I activate a screen reader. Yet, in spite of it all, accessibility does evolve, but quietly rather than dramatically. As I gaze […]
Word and PowerPoint Alt Text Roundup
31 October 2025 @ 7:14 pm
Introduction In Microsoft Word and PowerPoint, there are many types of non-text content that can be given alternative text. We tested the alternative text of everything that we could think of in Word and PowerPoint and then converted these files to PDFs using Adobe’s Acrobat PDFMaker (the Acrobat Tab on Windows), Adobe’s Create PDF cloud […]
Accessibility by Design: Preparing K–12 Schools for What’s Next
30 July 2025 @ 5:51 pm
Delivering web and digital accessibility in any environment requires strategic planning and cross-organizational commitment. While the goal (ensuring that websites and digital platforms do not present barriers to individuals with disabilities) and the standards (the Web Content Accessibility Guidelines) remain constant, implementation must be tailored to each organization’s needs and context. For K–12 educational agencies, […]
Up and Coming ARIA
30 May 2025 @ 6:19 pm
If you work in web accessibility, you’ve probably spent a lot of time explaining and implementing the ARIA roles and attributes that have been around for years—things like aria-label, aria-labelledby, and role="dialog". But the ARIA landscape isn’t static. In fact, recent ARIA specifications (especially ARIA 1.3) include a number of emerging and lesser-known features that […]
Global Digital Accessibility Salary Survey Results
27 February 2025 @ 8:45 pm
In December 2024 WebAIM conducted a survey to collect salary and job-related data from professionals whose job responsibilities primarily focus on making technology and digital products accessible and usable to people with disabilities. 656 responses were collected. The full survey results are now available. This survey was conducted in conjunction with the GAAD Foundation. The GAAD […]
Join the Discussion—From Your Inbox
31 January 2025 @ 9:01 pm
Which WebAIM resource had its 25th birthday on November 1, 2024? The answer is our Web Accessibility Email Discussion List! From the halcyon days when Hotmail had over 35 million users, to our modern era where Gmail has 2.5 billion users, the amount of emails in most inboxes has gone from a trickle to a […]
Using Severity Ratings to Prioritize Web Accessibility Remediation
22 November 2024 @ 6:30 pm
So, you’ve found your website’s accessibility issues using WAVE or other testing tools, and by completing manual testing using a keyboard, a screen reader, and zooming the browser window. Now what? When it comes to prioritizing web accessibility fixes, ranking the severity of each issue is an effective way to prioritize and make impactful improvements. […]
25 Accessibility Tips to Celebrate 25 Years
31 October 2024 @ 4:38 pm
As WebAIM celebrates our 25 year anniversary this month, we’ve shared 25 accessibility tips on our LinkedIn and Twitter/X social media channels. All 25 quick tips are compiled below. Tip #1: When to Use Links and Buttons Links are about navigation. Buttons are about function. To eliminate confusion for screen reader users, use a <button> […]
Celebrating WebAIM’s 25th Anniversary
30 September 2024 @ 10:25 pm
25 years ago, in October of 1999, the Web Accessibility In Mind (WebAIM) project began at Utah State University. In the years previous, Dr. Cyndi Rowland had formed a vision for how impactful the web could be on individuals with disabilities, and she learned how inaccessible web content would pose significant barriers to them. Knowing […]
Introducing NCADEMI: The National Center on Accessible Digital Educational Materials & Instruction
30 September 2024 @ 10:25 pm
Tomorrow, October 1st, marks a significant milestone in WebAIM’s 25 year history of expanding the potential of the web for people with disabilities. In partnership with our colleagues at the Institute for Disability Research, Policy & Practice at Utah State University, we’re launching a new technical assistance center. The National Center on Accessible Digital Educational […]
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