ERROR: cannot use RETURN NEXT in a non-SETOF function
I have two tables with date-columns (year, month, day and a combination of the three called "stamp") and associated values (avalue). I need my function to return the ratio between two tables (at a...
View ArticleError : Unable to start png() device
I am using Windows. When trying to plot a graph on png device, it fails with the error.My code: png("C:\\plot1.png", width = 480, height = 480, units = "px", bg = "white")par(mar= c(4, 4, 2,...
View ArticleIn Visual Studio Code, is there any way to "Accept Combination" automatically?
I'm using Visual Studio Code with Git.I've noticed that whenever I have a merge conflict, and the "Accept Combination" resolution is available, is available, it always does the correct and obvious...
View ArticleHow to update a column of a table from other column of other table in Apache...
I have a cache cluster of Gridgain Ignite v8.8.29. I have two tables in it VOTE and VOTEDETAIL both have the same key columns. In VOTE table, one column with the name 'comment', has null values while...
View ArticleRealm: @Persisted(primaryKey: bool) migrated from static func primaryKey()
I am in the process of removing all @objc dynamic annotations from Realm objects to use the more modern @Persisted annotation.While it's been good for a lot of the code, I am running into issues, one...
View ArticleWhy is jQuery post() sending a GET request?
I have a simple, stupid, single-file "application" that is intended to demonstrate how to interact with an API server for digest authentication. The first step is to POST with no credentials and get...
View Articlelock-free queue to count prime numbers in c performance
I try to use multi-threads with lock-free queues to do the best performance to count prime numbers without editing the naive prime check function and in a maximum of only 1.8MB of RAM space.On the...
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fit columns to maximum cell width with flexbox
I'm trying to create a two-column tabular layout with CSS flexbox. I want to have have column 1 to be as narrow as possible, tightly fitting all 3 cells in that column. I want column 2 to expand to the...
View ArticleChanging pixel brightness in PIL
Apologies for inaccurate terminology or problem description. I am still fairly new to Python. For an eye-tracking experiment, I need to convert a set of stimuli (flower images) on grayscale and make...
View ArticleHow to manage snackbar wrapper state
I want to create a simple wrapper for v-snackbar but there is a problem that I cannot use a prop value as argument inv-model. I am trying to pass a boolean as a prop to the wrapper and to change the...
View ArticleReceive RTMP stream with OpenCV (python)
I'm trying to process an RTMP stream in Python, using OpenCV2 but I'm not able to get OpenCV to capture it (i.e. act as RTMP server).I can run FFmpeg/FFplay from the command line and receive the stream...
View ArticleTempus Dominus changes PM to AM when user opens picker
UPDATE: Actually the problem is when the user clicks the date field, the value is changed to the current date time. How do I stop that?Using TD v6.9.4Passing DateTime object from .Net MVC 6. The date...
View ArticleError when installing Python 3.12.2 with SSL module in CentOS 7
I've been trying to install Python 3.12.2 with the SSL module in CentOS v7.9.2009 but I'm getting an error at the end.I have followed these steps but I always get the same error at the end:[root@server...
View ArticleIncluding submodules without entire modules with PyInstaller
I'm turning some of my work into EXEs to be distributed amongst my colleagues, and before doing so I'd prefer to slim down the EXE that PyInstaller is coming out with. I'm currently using...
View ArticleRemoving Images from tf.data.Dataset by their frequency
So i am loading photos inside of tf.data.Dataset.I want to remove photos, if their labeled counterparts are already present 100 times in dataset. how can i do that? for example if cat photo was already...
View ArticleHow to colour histogram according to quantile range?
I want to colour my histogram plot to show the quantile range distribution but I am unable to figure out where/how to add the colours into my code.Here is my sample data and code (using iris dataset).#...
View ArticleHow to change the key pressed in an input tag using dispatchEvent()?
let's say I have an html input and I would like that whenever someone press a key or combination of keys while the input is focused, it input a different character where the caret is positioned.for...
View ArticleJetpack Compose - UI performance issues as lines grow in Canvas
data class Line(val start: Offset, val end: Offset, val color: Color = Color.Black, val strokeWidth: Dp = 5.dp)@Composablefun App(){ var lines = remember { mutableStateListOf<Line>() } Canvas(...
View ArticleHow to connect css and javascript in a .jsp file
I am having trouble connecting an external css and javascript file to its jsp.I tried doing the WebConfig as I read on google but I realised that my jsp files' path are done via application.properties...
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