All Questions
7,337,315
questions with no upvoted or accepted answers
96
votes
1
answer
6k
views
Marching Cubes - generating holes in mesh
I'm working on a Marching Cubes implementation in Unity. My code is based on Paul Bourke's code with a lot of modifications. I'm checking if a block at a position is null, and if it is, a debug ...
- 1,071
77
votes
2
answers
4k
views
JobScheduler: controlling delay from constraints being met to job being run
I'm using JobScheduler to schedule jobs. Mainly I'm using it for the .setRequiredNetworkType() method, which allows you to specify that you only want the job to be scheduled when a network connection ...
- 12.5k
74
votes
0
answers
7k
views
CORS OPTIONS preflight requests not showing in dev tools
How to get Safari to display CORS pre-flight OPTIONS requests in the dev tools network tab?
IIRC they used to show up, and I know the requests are being made as we can see them logging on the server.
...
- 6,948
66
votes
1
answer
1k
views
swf respondDecisionTaskCompleted call, response time degrade overtime
We have a decided worker running and as the time goes we noticed the response time of the respondDecisionTaskCompleted call was getting slower and slower.
We tried using the same instance of the SWF ...
- 6,827
62
votes
0
answers
2k
views
How might I get detailed database error messages from dplyr::tbl?
I'm using R to plot some data I pull out of a database (the Stack Exchange data dump, to be specific):
dplyr::tbl(serverfault,
dbplyr::sql("
select year(p.CreationDate) year,
...
- 21.3k
62
votes
1
answer
8k
views
Local overrides in chrome – keep active while devtools are closed
I really like the local overrides feature in Chrome. While it is handy during development, I'd also like to use it while my devtools are closed. If this were possible, it could replace extensions that ...
- 3,866
60
votes
1
answer
2k
views
Intermittent 401 Unauthorized from Google GCM
We are getting intermittent 401 Unauthorized errors from Google's GCM service. In the past, it worked 100% of the time. The problem might coincide with our routers accepting IPv6 traffic, but the ...
- 1,302
60
votes
1
answer
3k
views
“Illegal type synonym family application in instance” with functional dependency
I have a multi-parameter typeclass with a functional dependency:
class Multi a b | a -> b
I also have a simple, non-injective type synonym family:
type family Fam a
I want to write an instance ...
- 43.6k
57
votes
0
answers
1k
views
Materialize the Value for a Type that has One Inhabitant
Thanks to @MilesSabin's answer I can write a type level Fibonacci sequence:
sealed trait Digit
case object Zero extends Digit
case object One extends Digit
sealed trait Dense { type N <: Dense }
...
- 1,781
55
votes
1
answer
7k
views
SwiftUI UITableView was told to layout its visible cells and other contents without in view hierarchy
I have a list in a view (lets call it view A) where I push a view B via NavigationLink from view A and manipulate the CurrentSubjectValue to the initial view A. The moment the data is added and the ...
- 1,498
55
votes
0
answers
2k
views
How do I write a TDBCtrlGrid VCL Style custom class?
There are lots of questions here about XE2 VCL Styles and custom colors for Buttons, Panels, edits, etc, and VCL Styles. As much as I wish the existing questions covered it, they don't... So DB ...
- 67.9k
53
votes
1
answer
989
views
Qt5 VideoOverview example does not work. Any solution?
I am stuck for a month with a video example given in Qt Video Overview.
I tried that code, but I only got a blank square (QWidget). I am using GStreamer0.10 for media playback over Qt5. I also played ...
user5585984
50
votes
1
answer
2k
views
Generated system.img not running on emulator
I wanted to build a custom ROM for Android TV.
I have followed the steps given on the Android Source Code - AOSP website and downloaded the source using the commands below:
repo init -u https://...
- 815
49
votes
1
answer
2k
views
WebView native crash: libwebviewchromium.so "Operation not permitted" - ILL_ILLOPC
I'm seeing a lot of crash reports similar to the crash below, and I'm at a loss for how to diagnose the issue.
Crash heading in Google Developer Console:
Native crash at
/data/app/com.google....
- 5,208
46
votes
1
answer
3k
views
ExecuteRequestHandler spent most of the time
I'm working on some performance related tasks and using new relic to diagnose first.
Here is what I have got
I'm wondering is it possible to improve on the ExecuteRequestHandler part? Any help will ...
- 1,471
45
votes
0
answers
2k
views
How do I share a link to a Firebase Crashlytics report?
Has anyone figured out how to get a permalink to a Firebase Crashlytics issue? I'd like to paste an issue link in our bug tracker. The only way I know right now is the copy the address bar, but the ...
- 3,060
45
votes
0
answers
1k
views
Use the `pos` argument in Rgraphviz to fix node position
Based on this question Automatically curving an arc when it is overlapping with another one, I am trying to set the pos attribute in a RGraphviz plot.
Can someone show how to correctly use the pos ...
- 25.6k
45
votes
2
answers
1k
views
iOS SecTrustRef Always NULL
I'm trying to connect an iOS app to a Windows C# sever using TLS over TCP/IP.
The TLS connection is using untrusted certificates created from an untrusted CA root certificate using the makecert ...
- 10.5k
44
votes
0
answers
1k
views
Per-element atomicity of vector load/store and gather/scatter?
Consider an array like atomic<int32_t> shared_array[]. What if you want to SIMD vectorize for(...) sum += shared_array[i].load(memory_order_relaxed)?. Or to search an array for the first non-...
- 351k
44
votes
0
answers
287
views
View Product Quantity based on Base UoM and Purchase UoM in OpenERP 7
I am using different units of measure for the same products. Say 1 mL as a base unit of measure, 1 Litre can as purchase unit of measure.
Is it possible in OpenERP7 to view the product quantity ...
- 461
44
votes
0
answers
2k
views
How to make a composite manifest for Microsoft smooth streaming
I am new to Microsoft Smooth Streaming and have questions about the making of composite manifests.
Following the guidance from here.
I was able to make a composite manifest of a single clip element ...
- 691
44
votes
3
answers
2k
views
Is there an equivalent to Chrome's DevTools 'workspaces' in Firefox?
As in title: Is there an equivalent to Chrome's DevTools 'workspaces' in Firefox?
If not - how else can I work with source maps if my source js and scss files are outside webroot? Can I save changes ...
- 1,194
43
votes
0
answers
4k
views
Google OAuth 2 Refresh Token is Missing for Web App but Present for localhost
Problem: Missing OAuth 2 Refresh Token.
The problem is that the localhost version receives a Refresh Token as part of the granted token but the same code running in GCE does not.
Details:
I have ...
- 79.6k
43
votes
1
answer
8k
views
Creating meta tags for Linkedin - Publish Date "not found"
I was using the following tags in relation to the posted date of a website (blog) article:
<meta name="article-published_time" property="article:published_time" content="2019-10-21T00:00:00-0600"&...
- 6,332
43
votes
1
answer
3k
views
Chrome custom tabs not opening other apps
The Chrome custom tabs doesn't seem to launch other apps by deeplinking.
For example a PayPal payment, when Chrome is launched with this URL. It will ask the user if the URL has to be opened with the ...
- 7,931
42
votes
1
answer
7k
views
How to resolve the BufferQueueProducer problem specifically on Android Q Pixel 3 and 3 XL devices, while Emulator works fine
I am using a surface texture view to display videos. The videos are shown in a carousel which is essentially a view pager.
I have already tried releasing the surface view on the surface gets destroyed ...
- 451
42
votes
1
answer
6k
views
How windows handle the clipboard interface with Xming?
My question comes from a problem:
I Use Xming on Windows 7 to connect to a Linux host (through PuTTY) in order to start and display a gnome-terminal.
I have some troubles using the Windows clipboard:
...
- 833
42
votes
0
answers
1k
views
How to Update Frames for all Size Classes in a Storyboard in Xcode 6.1?
When working with Storyboard files in Interface Builder on Xcode 6.1, Apple recommends designing for the Any/Any size class. When finished, different size classes sometimes report warnings:
Misplaced ...
- 503
42
votes
0
answers
407
views
many parallel applications of a sequential transform in repa
In Repa, I would like to apply a certain d-dimensional linear transform in parallel across the innermost dimension of my array, i.e., on all "column" vectors.
In general, such a transformation can be ...
- 603
42
votes
0
answers
644
views
Chicago Boss: Routes does not work in production mode?
I created the rahm_test_controller.erl file in src directory, and added an action named hello.
In /priv/rahm.routes, I added this line for home page:
{"/",[{controller,"test"}, {action, "hello"}]}.
...
- 14.4k
42
votes
1
answer
1k
views
Typekit and @fontface issues on all Windows browsers with Ruby on Rails app, especially Chrome
My Ruby on Rails app hates custom fonts and I don't know why. Here are some of the errors and troubleshooting that I have gone through.
First, there were devastating display errors that only happened ...
- 883
42
votes
1
answer
964
views
Android Studio 3.4 dependencies suggestions - make it to not show alpha/beta versions
In Android Studio 3.4 added new window suggestions in Project Structure which suggest update gradle dependencies to latest version.
Is it possible to show only final version there without alpha/beta ...
- 3,623
42
votes
2
answers
2k
views
AVPlayer frame animation
I am developing an application that includes functionality to play a video with per-frame animation.
You can see an example of this functionality.
I already tried to add CAKeyFrameAnimation to a ...
- 3,191
42
votes
2
answers
1k
views
What's different about Screensaver preview in Windows 8?
I'm working on a simple WPF-based screensaver and can't get the thumbnail preview to work.
When you open the display control panel and go to configure the screensaver, the selected screensaver is ...
- 44.1k
40
votes
0
answers
8k
views
iOS 13 - silent push notifications are no longer reliable
iOS 13 changes:
Change 1: In iOS 13 Beta 6, a silent remote notification (AKA Background Notification) with priority 10 is no longer handled by the OS and dropped. This was documented in the past but ...
- 19.2k
40
votes
0
answers
1k
views
LibXL: excel cross-sheet formulas not updated
I'm dealing with a problem with libXL and Office365.
I created an Excel file with Office 365: a simple formula which shows the content of a cell from another sheet. Then I proceeded to write something ...
- 509
40
votes
1
answer
729
views
In Websphere Commerce 7, how do I remove the language and store name from an SEO url the correct way?
Currently the client I'm working for is making use of the SEO Friendly urls outlined here:
https://www.ibm.com/support/knowledgecenter/en/SSZLC2_8.0.0/com.ibm.commerce.seositemap.doc/concepts/...
- 774
39
votes
2
answers
4k
views
AWS Cognito's SMS Multi Factor Authentication returns invalid code or auth state
I am trying to implement authentication built on Cognito using their Go SDK. I have been able to get basic username/password authentication to work, but when I add in 2-factor authentication using SMS ...
- 1,843
39
votes
5
answers
3k
views
How can I serialize a jgrapht simple graph to json?
I have a simple directed graph from jgrapht and I am trying to serialize it into a JSON file using jackson as follows:
ObjectMapper mapper = new ObjectMapper();
File output = new File("P:\\tree....
- 391
39
votes
0
answers
4k
views
secTaskDiagnoseEntitlements MISSING keychain entitlements: no stored taskRef found
In two applications which have WatchKit app extensions, I receive the following error in the device log more than ten times on startup.
secTaskDiagnoseEntitlements MISSING keychain entitlements: no ...
- 3,257
38
votes
1
answer
2k
views
Having trouble working with SelectWoo instances of Select2 within WooCommerce
I am using Select2 within WooCommerce in some of my own custom areas and I am targeting it with some code to add and removes certain classes and it's working fine except for the SelectWoo instances ...
- 20k
38
votes
2
answers
4k
views
Android Room Exceptions
What kinds of exceptions I should consider while working with Android Room.
From my research I found out that there is only one exception that might occur.
Room Exceptions
That is also when you are ...
- 6,682
38
votes
1
answer
1k
views
iOS crash at CFAllocatedReferenceCountedObject
My app frequently crashes with the following information:
0 CFNetwork CFAllocatedReferenceCountedObject::_retainable_hash(void const*)
1 CoreFoundation _CFBasicHashFindBucket + 164
2 ...
- 381
38
votes
2
answers
801
views
What causes visual glitches with Xcode 9's iOS Simulator and how can I fix them?
When running applications on the simulator with Xcode 9, I regularly experience a handful of visual glitches, which include red device identifier labels and content that duplicates itself and leaves ...
- 57.4k
38
votes
1
answer
1k
views
debugserver died with an exit status of 0x00000000
I was running an app on Xcode with the iPhone 6 stimulator using the latest iOS 10. And after some time the app crashed with the following message:
debugserver died with an exit status of 0x00000000
...
- 7,855
38
votes
1
answer
1k
views
Let image ManipulationMode capture pointer
In my app, a user can select an Image and drag it onto a Grid, to play with it. I do this by handling the PointerEntered event of the Grid. Here I detect if the user had an image selected and if the ...
- 13.9k
38
votes
3
answers
7k
views
Android "couldn't log to binary event log: overflow"
I have an android app that has been running without problems until I updated my device to android 4.4 (kitkat).
Now I start getting this error and some part of the program is broken with this in the ...
- 391
38
votes
2
answers
5k
views
FB.ui feed dialog is "ignoring" the picture attribute, using cached og:image tag instead
Here's my FB.ui code:
FB.ui({
method: 'feed',
message: '',
link: 'http://mywebaddress/pathToContent',
picture: 'http://mywebaddress/pathToPhoto/photo.jpg',
display: 'popup'
});
The ...
- 13.3k
37
votes
2
answers
1k
views
Android Studio shows C++ file icon on every file
After updating Android Studio to version 4.1 every file icon in the project is shown as a C++ icon. Is there any way to repair this? This is how it looks:
You can see every file, no matter what ...
- 9,464
37
votes
1
answer
915
views
Deploying Spark and HDFS on Docker Swarm doesn't enable data locality
I am trying to set up a Spark + HDFS deployment on a small cluster using Docker Swarm as a stack deployment. I have it generally working, but I ran into an issue that is preventing Spark from taking ...
- 2,278