All Questions
6,810,364
questions with no upvoted or accepted answers
245votes
0answers
3kviews
GStreamer Editing Services freezes when transitions are added
I'm trying to use Gstreamer's GStreamer Editing Services to concatenate 2 videos, and to have a transition between the two.
This command, which joins 2 segments of the videos together without a ...
- 53.2k
185votes
0answers
9kviews
SNIReadSyncOverAsync Performance issue
Recently I used dot Trace profiler to find the bottlenecks in my application.
Suddenly, I have seen that in most of the places which are taking more time and more cpu usage to is ...
- 1,911
159votes
0answers
1kviews
ember-cli-code-coverage mocha showing 0% coverage when there are tests
I'm using ember-cli-code-coverage with ember-cli-mocha. When I run COVERAGE=true ember test I'm getting 0% coverage for statements, functions, and lines. Yet, I have tests that are covering those ...
- 5,516
133votes
0answers
1kviews
Sneaking lenses and CPS past the value restriction
I'm encoding a form of van Laarhoven lenses in OCaml, but am having difficulty due to the value restriction.
The relevant code is as follows:
module Optic : sig
type (-'s, +'t, +'a, -'b) t
val ...
- 68k
93votes
0answers
1kviews
Troubles using WebRequest in Mono
I have a really strange problem with WebRequest in a ServiceStack web application (hosted by XSP on Mono).
It seems that the registration of request modules works in a very strange way; I am using ...
- 6,783
82votes
0answers
2kviews
memory bandwidth for many channels x86 systems
I'm testing the memory bandwidth on a desktop and a server.
Sklyake desktop 4 cores/8 hardware threads
Skylake server Xeon 8168 dual socket 48 cores (24 per socket) / 96 hardware threads
The peak ...
- 30.9k
72votes
0answers
4kviews
Implementing VPN with L2TP protocol in iOS app
In iOS settings there are options to create VPN configuration using IPSec, IKEv2 and L2TP. Using NetworkExtension framework from Apple there's option to create VPN using IPSec and IKEv2 protocols only....
- 1,734
72votes
2answers
1kviews
Eclipse on MAC OS X Does not detect LLVM toolchain
I'm trying to work with eclipse to compile/debug C/C++ applications on MAC OSX using LLVM/Clang.
I know I have the toolchain correctly installed as I can compile with it from the terminal using a ...
- 832
71votes
0answers
3kviews
Successful purchase but has "Class not found" when unmarshalling: com.google.android.finsky.billing.lightpurchase.PurchaseParams
I have an app with In-App Billing in its Adapter (list of items to buy). I am having a problem during testing of the in-App Billing.
Everything works fine - The user is able to go through the whole ...
- 751
69votes
0answers
2kviews
Sinch API in an Angular 2 project times out on onCallProgressing
We implemented Sinch in an angular 2 web application.
Everything works fine, except when I try to call a user using the sinch phone demo.
When the app is running in the foreground it will ring and the ...
- 1,175
67votes
0answers
3kviews
Logcat error message - Attempted to destroy barrier with non zero count
I'm making an android app in Android Studio, integrating ParseCloud and when I try to retrieve some JSONObject from the cloud, I get this error message after step-debugging:
12-13 13:32:34.857 25631-...
- 767
59votes
1answer
1kviews
Why can't this higher kinded lifetime associated type trait bound be satisfied?
trait A<'self_>: 'self_ {
type I;
}
trait AMut
where
Self: for<'self_> A<'self_>,
for<'self_> <Self as A<'self_>>::I: 'static,
{
fn mutate_self(&...
- 4,280
58votes
1answer
2kviews
Using spring HATEOAS with spring webflux Functional Web Framework (reactor-netty)
Can we use spring HATEOAS on top of RouterFunction ? I imagine that we can specify the resource but what will be the equivalent of the linkto(Controller.class) ? or is there any equivalent to specify ...
- 601
57votes
1answer
682views
Azure Cloud Service Diagnostic output changed with 2.6 SDK
After upgrading the SDK to Azure Cloud Service Diagnostic 2.6, all the WAD trace logs started to look like this:
EventName="FormattedMessageEvent" FormattedMessage="Subscription {0} Already Created" ...
- 16.1k
53votes
0answers
709views
External Sharepoint site's text inputs inaccessible on iPhone and iPad
I have a form setup in a webpart in our SharePoint solution and am having an issue when testing on Apple devices where the input fields are not accessible/appear to be grayed out. This application ...
- 1,108
53votes
1answer
1kviews
Facebook 3.0 Android second login attempt returns "Session state closed"
I'm trying to integrate Facebook into my Android app. Using the Facebook Login Button, I tried to login in. When I first install the app, it works fine and login successfully. When I logged out using ...
- 742
50votes
1answer
2kviews
React Native Android run causes "Illegal number of arguments for updateHotspot command"
I am creating a simple app using React Native for both iOS and Android. I've tested both platforms for a while and all works very well. But recently, I was focusing on iOS and all my functionalities ...
- 8,779
50votes
0answers
954views
Is recent GTK 3.22 still Boehm GC friendly (thread issue)?
The Boehm's conservative garbage collector is quite useful (e.g. Bigloo is using it, Guile is using something similar, etc....), notably on Linux (which is the only OS I care about; I'm using Debian/...
48votes
1answer
4kviews
How to filter a nested relation in Room?
Let's take this example: I have a form, which has several sections, each having questions. Sideways, I have answers that are mapped to questions and they have another column that I want to filter on ...
- 10.7k
47votes
1answer
2kviews
How to profile React Native source code using Xcode/Instruments/Time Profiler
We're using React Native 0.59.10 and React-Redux 5.0.7, and are experiencing a CPU-bound performance issue, in which our Redux actions are taking ~0.25s to complete.
We've profiled using the Time ...
- 29.5k
47votes
0answers
6kviews
How to do rest authentication with Spring Social?
I have implemented Spring Social + Spring Security as outlined in the Spring security examples (and with spring security java config). I reported couple problems at the time (see https://jira....
- 3,708
47votes
1answer
5kviews
How chrome browser determine memory cache and disk cache?
I knew that chrome supports from memory cache and from disk cache when I request resources. However, I didn't see from memory cache before.
How does chrome determine which resources should be cached ...
- 2,350
45votes
1answer
10kviews
Android app crashes at start with "E/dex2oat: Failed to create oat file" and "non-0 exit status"
My app (still WIP) runs fine on different devices. But suddenly it refuses to start on Huawei Honor 7 (Android 6.0/EMUI 4.0.3). Logcat gives me the following:
E/dex2oat: Failed to create oat file:
/...
- 1,033
45votes
1answer
2kviews
SSIS Script Component Cannot Load Assembly Until Manually Opened
I am creating a SSIS project via Biml (Using the current version of BimlExpress per the Varigence BimlExpress page) that uses a script component within a Data Flow Task. The project is created ...
- 11.6k
44votes
0answers
918views
alignof(T) with T=__m512 is not equal to alignof(__m512)
I ran into a strange situation that alignof(__m512) is not equal to std::alignment_of<__m512>::value compiled by Apple's clang. After some testing I found that when alignof(T) is evaluated ...
- 1,292
44votes
0answers
624views
android ndk gdb loaded sharedlibraries missing *.oat
Both gdb 7.7 and 7.11 missed some shared libraries when debugging my device (oppo r7s). I've pulled all libraries to local. Here is a complete list of libraries shown by info shared
(gdb) info shared
...
- 3,872
44votes
0answers
8kviews
E/libEGL: validate_display:99 error 3008 (EGL_BAD_DISPLAY) android os 7.1 nougat
I am getting the following error while running my app on Android OS 7.1 Nougat.
E/libEGL: validate_display:99 error 3008 (EGL_BAD_DISPLAY)[ 04-21
10:19:18.788 4410: 4622 D/ ]
...
- 1,111
44votes
1answer
4kviews
Widget onUpdate called when Configuration Activity is launched
I'm implementing a widget and I'm facing the following problems:
1) onUpdate is called when I add the widget to the home screen, even if I specified a Configuration Activity. As soon as I add it to ...
- 5,984
44votes
4answers
8kviews
How to reset view to original state after using animators to animates its some properties?
I am using animators (ObjectAnimator) to animate few properties (scale, rotate) of a view.
Target view is animating properly when ObjectAnimators are set to it.
But there is an added requirement to ...
- 4,735
43votes
0answers
2kviews
Populating nested dropdowns using backpack for laravel
Has anyone here ever created a nested dropdown within backpack's cruds? I've got this crud controller which handles the 'Campaign' model -
$this->crud->addField([
'name' => '...
- 913
43votes
0answers
669views
How can I dispatch on traits relating two types, where the second type that co-satisfies the trait is uniquely determined by the first?
Say I have a Julia trait that relates to two types: one type is a sort of "base" type that may satisfy a sort of partial trait, the other is an associated type that is uniquely determined by the base ...
- 6,603
42votes
0answers
532views
Pragmatics of typed intermediate languages
One trend in the compilation is to use typed intermediate languages. Haskell's ghc with its core intermediate language, a variant of System F-omega, is an example of this architecture [ 1 ]. Another ...
- 950
42votes
0answers
887views
FnordMetric Toplist Gauges Disappear
What I'm trying to do
I'm using FnordMetric Classic through the fnordmetric ruby on rails gem, as shown in Railscasts #378.
I would like to have a list of my "popular pages", where a page is ...
- 4,942
41votes
2answers
3kviews
Javascript Google Maps API & non-passive event handlers
Recently Chrome started emitting the following warnings:
[Violation] Added non-passive event listener to a scroll-blocking 'touchmove' event. Consider marking event handler as 'passive' to make the ...
- 431
41votes
1answer
21kviews
Error Domain=AVFoundationErrorDomain Code=-11800 "The operation could not be completed. Error Domain=NSOSStatusErrorDomain Code=-16170 "(null)"
I am using AVPlayer in my chat application but i am getting the fallowing error in selected audio files but the audio files correctly play in browser.
Error Domain=AVFoundationErrorDomain Code=-...
- 857
41votes
1answer
1kviews
Running asyncio loop engine using external python plugin
I have an installation of uWSGI that is running in emperor mode. Vassals are using different python versions, so I can't have a Python plugin embedded in uWSGI binary.
Having said that, I want to use ...
- 18.2k
41votes
1answer
3kviews
VoiceOver focus resetting UICollectionView to first entry?
I’m using VoiceOver, and having an issue with a UICollectionView. I have an initial screen with ten buttons, each of which links through to one of ten cells in the collection view. The collection view ...
- 9,104
41votes
2answers
4kviews
android libvlc multiple surface problems
I would like to know if is possible to use two Surface views in the same layout and view the content of both of them at the same time. In future, I would make use of a Grid-view of video-view, where ...
- 1,063
41votes
1answer
530views
Jump to Definition goes to derived data folder for static library's header files instead of the static library project
I have an iOS app that has a static library as a dependency. The static library is setup per Apple's recommendations https://developer.apple.com/library/ios/technotes/iOSStaticLibraries/...
- 3,314
41votes
1answer
592views
JEP 295 AOT: Objects compiled multiple times
I am trying to compile an application server with JDK9's new AOT feature, and am facing a number of challenges.
The appserver consists of ~180 MB jars; compiling that together overflows integer so I'...
- 5,375
40votes
5answers
1kviews
Paging does not work and maybe I found the cause
I am trying to implement the stream (news feed) paging function to my app, but it does not work as expected. I found many similar questions here but there are no solutions to solve this problem.
I ...
- 401
39votes
1answer
867views
registerIdlingResources deprecation replacement doesn't work
I'm trying to replace my Espresso registerIdlingResources and unregisterIdlingResources deprecated method by using IdlingRegistry method according to android documentation.
Some of my tests worked ...
- 967
39votes
1answer
576views
Firebase reporting GoogleTV for some iOS users
We are seeing a large percentage of our analytics report Google TV in our iOS application. Since we in no way support Google TV, this has to be a error.
We have followed the firebase install, and ...
- 8,918
39votes
2answers
1kviews
How to generate video file from QImage sequence using QMediaRecorder in Qt5 C++
Basically what I want is to encode a video using QMediaRecorder by supplying as a source a sequence of QImages that I generate in custom code at run-time.
So far I have found no easy way to do this, ...
- 8,178
39votes
0answers
2kviews
Zend Framework 2 Doctrine 2 one-to-many checkbox hydration
I have a ManyToMany that I broke into OneToMany and ManyToOne relationship. I want to build a form that has checkboxes instead of collection, and I am using the 'DoctrineObject' hydrator, but it does ...
- 1,328
39votes
1answer
1kviews
Cargo plugin throws CargoException when deploying on Glassfish - Deployment has failed: null
I'm trying to deploy web application using Cargo Maven plugin on remote Glassfish server (Edition 3.1.1 (build 12)). Glassfish server as well as Java code located on different Linux servers (Ubuntu). ...
- 391
39votes
2answers
739views
FileProvider in Android 4.1/4.3/4.4 Email App fails with column '_data' does not exist
I have a FileProvider which I use when attaching files on the SD Card to emails.
This works on Lollipop and Marshmallow in any app using an Intent.
However, in Android 4.3 when using the Email app, ...
- 14.8k
38votes
3answers
17kviews
Create rtsp stream based on opencv images in python
My goal is to read frames from an rtsp server, do some opencv manipulation, and write the manipulated frames to a new rtsp server.
I tried the following based on Write in Gstreamer pipeline from ...
38votes
0answers
2kviews
Play Store updates/installs app using a different account than the one the user made IAP through
On this bug report on Github https://github.com/googlesamples/android-play-billing/issues/2#issuecomment-305380836 we were asked to raise the issue here.
The issue is simple. User has 2 or more ...
- 7,339
38votes
0answers
1kviews
Matlab VLFEAT -multiple matching
I am performing SIFT matching with VLFEAT in Matlab.
A single match is simple to display: I followed the tutorial.
Update 1: (extracting the problem from my needs)
Next, I consider 4 different ...
- 1,699