scribble | : tomato : A Jekyll theme | Theme library
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QUESTION
firstly I am really new to iOS development and Swift (2 weeks coming here from PHP :))
I am building my simple Login page and wondering how to make my Logo image at the top of the page. Also I am wondering if I have done my layout wrong to get the desired layout as in the screenshot. Would appreciate the help on this. (Logo scribbled out in the screen shot needs to go to the top outside the white background)
Thanks
LoginView:
...ANSWER
Answered 2021-Jun-12 at 13:19Try below code-:
Use a ZStack
to give a backgroundColor
to your view, and give that a modifier of .ignoresSafeArea()
.
Use VStack
inside ZStack
to layout other view components. I have done few modifications on my side.
QUESTION
I did go get github.com/nanobox-io/golang-scribble
, but when i try to run the main.go i get the error
ANSWER
Answered 2021-Mar-27 at 13:44You are doing go get
on github.com/nanobox-io/golang-scribble
but you're importing github.com/nanobox.io/golang-scribble
, the difference being nanobox-io
vs nanobox.io
. Try changing your import statement to github.com/nanobox-io/golang-scribble
.
QUESTION
I would like to implement functionality for being able to search a QPlainTextEdit
for a query string, and display all matched lines in a table. Selecting a row in the table should move the cursor to the correct line in the document.
Below is a working example that finds all matches and displays them in a table. How can I get to the selected line number in the string that the plaintextedit holds? I could instead use the match.capturedEnd()
and match.capturedStart()
to show the matches, but line numbers are a more intuitive thing to think of, rather than the character index matches.
ANSWER
Answered 2021-Mar-13 at 15:14In order to move the cursor to a specified position, it's necessary to use the underlying QTextDocument using document()
.
Through findBlockByLineNumber
you can construct a QTextCursor and use setTextCursor()
to "apply" that cursor (including the actual caret position) to the plain text.
QUESTION
I am not sure how to express my scenario using activity diagrams:
What I am trying to visualise is the fact that:
- A message is received
- Two independent and concurrent actions take place: logging of the message and processing the message
- Logging always takes less time than processing
The first activity in the diagram is correct in the sense that the actions are independent but it does not relay the fact that logging is guaranteed to take less time than processing.
The second activity in the diagram is not correct because, even if logging completes before processing, it looks as though processing depended on the logging's finishing first and that does not represent the reality.
Here is a non-computer related example:
You are a novice in birdwatching, trying to make your first notes in your notebook about birds passing by
A flock of birds approaches, you try to recognise as many details as possible
You want to write down the details in your notebook, but wait, you begin to realise that your theoretical background does not work in practice, what should be a quick scribble actually amounts to nothing in the end because you did not recognise anything
In the meantime, the birds majestically flew away without waiting for you, the activity is gone
Or maybe you did actually write it down, it took you only a moment and the birds are still nearby, slowly flying away, ending the activity again after some time
Or maybe you were under such awe that you just kept watching at them, without taking any notes - they fly away, disappearing in the horizon, ending the activity
After a few hours, you have enough notes and you come home very happy - maybe you did not capture everything but this was enough to make you smile anyway
I can always add a comment to a diagram to express it all somehow but I wonder, is there a more structured way to express what I described in an activity diagram? If not an activity diagram then what kind of a diagram would be better suited in your opinion? Thank you.
...ANSWER
Answered 2021-Feb-04 at 19:40Your first diagram assumes that the duration of logging is always shorter than processing:
- If this assumption is correct, the upper flow reaches the flow-final node, and the remaining flows continue until the first reaches the activity-final node. Here, the processing continues and the activity ends when the processing ends. This is exactly what you want.
- But if once, the execution would deviate from this assumption and logging would get delayed for any reason, then the end of the processing would reach the activity-final node, resulting in the immediate interruption of all other ongoing activities. So logging would not complete. Maybe it’s not a problem for you, but in most cases audit expects logs to be complete.
You may be interested in a safer way that would be to add a join node:
The advantage is that the activity does not depend on any assumptions. It will always work:
- whenever the logging is faster, the token on that flow will wait at the join node, and as soon as process is finished the activity (safely) the join can happen and the outgoing token reaches the end. This is exactly what you currently expect.
- if the logging is exceptionally slower, no problem: the processing will be over, but the activity will wait for the logging to be completed.
This robust notation makes logging like Schroedinger's cat in its box: we don't have to know what activity is longer or shorter. At the end of the activity, both actions are completed.
Time in activity diagrams?Activity diagrams are not really meant to express timing and duration. It's about the flow of control and the synchronization.
However, if time is important to you, you could:
- visually make one activity shorter than the other. This is super-ambiguous and absolute meaningless from a formal UML point of view. But it's intuitive when readers see the parallel flow (a kind of sublminal communication ;-) ) .
- add a comment note to express your assumption in plain English. This has the advantage of being very clear an unambiguous.
- using UML duration constraints. This is often used in timing diagram, sometimes in sequence diagrams, but in general not in activity diagrams (personally I have never seen it, but UML specs doesn't exclude it either).
Time is something very general in the UML specs, and defined independently of the diagram. For example:
8.4.4.2: A Duration is a value of relative time given in an implementation specific textual format. Often a Duration is a non- negative integer expression representing the number of “time ticks” which may elapse during this duration.
8.5.1: An Interval is a range between two values, primarily for use in Constraints that assert that some other Element has a value in the given range. Intervals can be defined for any type of value, but they are especially useful for time and duration values as part of corresponding TimeConstraints and DurationConstraints.
In your case you have a duration observation for the processing (e.g. d
), and a duration constraint for the logging (e.g. 0..d
).
8.5.4.2: An IntervalConstraint is shown as an annotation of its constrainedElement. The general notation for Constraints may be used for an IntervalConstraint, with the specification Interval denoted textually (...).
Unfortunately little more is said. The only graphical examples are for messages in sequence diagrams (Fig 8.5 and 17.5) and for timing diagrams (Fig 17.28 to 17.30). Nevertheless, the notation could be extrapolated for activity diagrams, but it would be so unusal that I'd rather recommend the comment note.
QUESTION
I have a problem about implementing recommendation system by using Euclidean Distance.
What I want to do is to list some close games with respect to search criteria by game title and genre.
Here is my project link : Link
After calling function, it throws an error shown below. How can I fix it?
Here is the error
...ANSWER
Answered 2021-Jan-03 at 16:00The issue is that you are using euclidean distance for comparing strings. Consider using Levenshtein distance, or something similar, which is designed for strings. NLTK has a function called edit distance that can do this or you can implement it on your own.
QUESTION
I am new to PyQt5 and I tried to translate some code written in C++ with Qt to PyQt5: It is a drawing app as seen here: http://www.newthinktank.com/2018/07/qt-tutorial-5-paint-app/
...ANSWER
Answered 2020-Dec-31 at 17:18If you run the program in a prompt/terminal, you'll clearly see the following traceback:
QUESTION
I have a game that is using applinks. The applinks work fine when running debug and release versions from my computer but don't work for the version downloaded from Google Play. With the Google Play version, I get a dialog asking which app should open the link.
I use "App Signing by Google Play" and understand that the release APK is signed by Google and has a different signature. I've added the SHA-256 certificate fingerprint from the app signing certificate listed on Google Play to my assetlinks.json so it contains the fingerprint from both the local and Google Play versions.
I've also downloaded a derived APK from Google Play and made sure that the fingerprint matches that in the assetlinks.json file.
Here's an example URL, that when clicked in Android should open the app, which it does for a local build, but not in the Google Play version. Instead, I get a dialog asking which app should open the link.
https://letsdraw.fun/ec?parent=Z0ibN7m-H8jO1jCiMRQtY23VTpKjnIch
I'm writing out the SHA256 fingerprint in logcat from the live release version to double check it's correct and it all looks fine.
The original signed APK and Google Play signed APK can be downloaded from here. Both of these APKs were downloaded from Google Play, one "original" and one "derived", so they should be identical apart from the signing. Interestingly, they're slightly different sizes. 11,590,297 bytes vs 11,601,619 bytes.
Looking at the output from adb shell dumpsys package domain-preferred-apps
the original signed apk is
ANSWER
Answered 2020-Jul-31 at 12:30The documentation states:
To enable link handling verification for your app, set
android:autoVerify="true"
in any one of the web URL intent filters in your app manifest that include theandroid.intent.action.VIEW
intent action andandroid.intent.category.BROWSABLE
intent category [...]When
android:autoVerify="true"
is present on any one of your intent filters, installing your app on devices with Android 6.0 and higher causes the system to attempt to verify all hosts associated with the URLs in any of your app's intent filters. Verification involves the following:The system inspects all intent filters that include:
- Action:
android.intent.action.VIEW
- Categories:
android.intent.category.BROWSABLE
andandroid.intent.category.DEFAULT
- Data scheme: http or https For each unique host name found in the above intent filters, Android queries the corresponding websites for the Digital Asset Links file at
https:///.well-known/assetlinks.json
.Only if the system finds a matching Digital Asset Links file for all hosts in the manifest does it then establish your app as the default handler for the specified URL patterns.
So in order for you to skip the disambiguation dialog, you need to verify that you configured your app correctly and that the assetlinks.json is available at the correct location. From experience common pitfalls are:
- Forgetting the
autoVerify
- Having multiple links declared in one statement and not having the correct association file present on EVERY domain
- Forgetting having granted development apps special permissions before
- Having more than one app installed which tries to register itself as the resolver of the link
You can use this handy tool to check if your configuration file is correct:
https://developers.google.com/digital-asset-links/tools/generator
QUESTION
This morning I tried to import a file that I created into another file but the file name that I am trying to import has the yellow scribble line under it. I know this is an import error but I can't fix it. I am working in VSCode on Windows 10 in python. The files are in the same directory.
I tried to import the path of the file but it doesn't work.
I had an old working file which requires me to import another file into it but now it doesn't work as well. Is this a new bug in VSCode?
Any help would be appreciated.
...ANSWER
Answered 2020-Dec-01 at 16:29you can try : path/to/python3 -m path/to/script.py
or just specify the full path : 'C://Users/quina//...//word.txt'
Maybe try to use the normale python3 IDLE or throught the terminal just to understand you error.
There is no word.txt in 'Visual Studio Projects' folder
QUESTION
I already reviewed the answer here (ScrollView Doesn't Scroll with Geometry Reader as Child) which is I guess pretty similar but I wasn't able to figure it out.
My Goal is to show the images equally sized (quadratic).
Here's my View:
...ANSWER
Answered 2020-Nov-11 at 14:00You just need only one GeometryReader
, external one.
Here is corrected code. Tested with Xcode 12.1 / iOS 14.1
QUESTION
My code is drawing lines on a QImage using mousePressEvent and mouseReleaseEvent. It works fine but I would like a dynamic preview line to appear when I'm drawing the said line (ie on MouseMoveEvent). Right now the line just appears when I release the left mouse button and I can't see what I'm drawing.
I want the preview of the line to appear and update as I move my mouse, and only "fixate" when I release the left mouse button. Exactly like the MS Paint Line tool : https://youtu.be/YIw9ybdoM6o?t=207
Here is my code (it is derived from the Scribble Example):
...ANSWER
Answered 2020-Oct-11 at 15:10I think this page shows some really nice solutions for the problem of yours. For example, it shows how to implement a custom class which actually gives you a "drawing board":
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