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kandi X-RAY | Inspire Summary
主题式Swift开发工具包,包含布局、颜色、字体等。
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QUESTION
The code...
...ANSWER
Answered 2021-Jun-14 at 11:32Your code works, the issue why you are not able to create res
successfully is because the code does not raise just the normal Exception
class. Since the task fails it ends up calling asyncio.exceptions.CancelledError
which if we take a look in the documentation inherits from BaseException
not Exception
. This change is new as of Python 3.8 and since you are using Python 3.9 that change is live. Changing your code slightly to the following yields:
QUESTION
So this question was inspired by the following question on codereview: Converting a string to an array of integers. Which opens as follows:
I am dealing with a string draw_result that can be in one of the following formats:
...
ANSWER
Answered 2021-Jun-13 at 11:52It seems you want to get all numbers before a comma. You can use this PyPi regex
based solution
QUESTION
I am using stepper component and I want to increase the clickable area of present inside the v-stepper-header
...ANSWER
Answered 2021-Jun-10 at 21:04I could not found any API that supports this. https://vuetifyjs.com/en/api/v-stepper/
However, it seems achievable with some CSS.
Add a class name to the stepper component
QUESTION
Is there any standard library Python or Numpy operation for doing the following:
...ANSWER
Answered 2021-Jun-08 at 20:30intspan has the methods from_ranges()
and ranges()
to produce the results you need.
QUESTION
I created 4 custom post types : 'dissertation'
, 'subject-free'
, 'subject-imposed'
, 'curriculum-vitae'
I have created a metabox that I want to display on 3 custom post types : 'dissertation'
, 'subject-free'
, 'subject-imposed'
.
When I want to create a post on 'curriculum-vitae'
. I got an error :
Error: An error occurred while running 'mapSelect': Cannot read property '_metafield_presentation' of undefined
ANSWER
Answered 2021-Jun-08 at 17:57The post meta hasn't been registered on the curriculum-vitae
post type, so WordPress isn't able to update it. WordPress is trying to update it because the PluginDocumentSettingPanel
is still being rendered on the curriculum-vitae
post type.
I usually do a check of the post type before working with any custom post meta or adding any PluginDocumentSettingPanel
s for that post type:
QUESTION
In vue + vuetify, I have multiple checkboxes linked to an array for v-model. Problem is when I sort the array it loops on, the values of the checkboxes change which is not behavior I want. I want it's value to be preserved. Here is an example
https://codepen.io/sneaky666/pen/BaWPQmP?editors=101
HTML
...ANSWER
Answered 2021-Jun-08 at 17:53When using v-for
, you should always use key
QUESTION
From man bash
:
ANSWER
Answered 2021-Jun-07 at 15:24It doesn't have to be empty quotes (which is how you provide an empty string as a concrete value). It can be any value, if you don't actually care about the value of $0
in your command. If you do care, then you would provide the value you want instead of an empty string.
But whatever the first argument is, it will be used to set $0
. There is no option to leave $0
unset and apply the arguments to $1
et al intead.
Other common "dummy" values are _
, sh
, and bash
.
An easy way to see the difference between an empty argument and no argument is to use the set
command, then look at the value of $#
. First, no positional arguments:
QUESTION
Here's an array : what I am trying to split the array into 3 column of divs with first array should be wrapped into a h3 tag then a other arrays should be displayed in an unordered list.
...ANSWER
Answered 2021-Jun-06 at 19:08Firstly your array is not suitable for what you want to do. So there is 2 options left; in first scenario you have to change your array structure first (make your looping array more suitable for your need by changing key-value of your array), second scenario is a little bir static solution but maybe it solve your problem and here it is;
QUESTION
Simply put: I want to list the last N packages I've installed with Homebrew.
What is the best (and possibly fastest) way to accomplish this?
Note that I'm not fluent in Ruby, so any suggestions to 'hack the Homebrew code to do what you want' would get me nervous...
What I tried so far- Read man pages, documentation, the Homebrew website, StackOverflow, googled with all sorts of variant questions, etc. No luck so far.
brew info [formula|cask]
will actually tell the date when a formula/cask has been poured (which I assume means 'installed' outside the Homebrewosphere). So that value must be written somewhere — a database? a log?- Maybe there is an option to extract the poured date information via the JSON API? But the truth is that with Homebrew 3.1.9-121-g654c78c, I couldn't get any
poured-date
or similar element on the JSON output... the only dates that I get are related togit
(presumably because they're more useful for Homebrew's internal workings). This would, in theory, be able to tell me what are the 'newest' versions of the formulae I have installed, but not the order I have installed them — in other words, I could have installed a year-old version yesterday, and I don't need to know that it's one year old, I only want to know I've installed it yesterday!
Although I couldn't figure out how to retrieve that information, I'm sure it is there, since brew info ...
will give the correct day a particular formula was poured. Thus, one possible solution would be to capture all the information from brew info
and then do a grep
on it; thus, something like brew info | grep Poured
should give me what I want. Needless to say, this takes eternities to run (in fact, I never managed to complete it — I gave up after several minutes).
Of course, I found out that there is a brew info --installed
option — but currently, it only works with JSON output. And since JSON output will not tell the poured date, this isn't useful.
A possibility would be to do it in the following way:
- Extract all installed package names with
brew info --installed --json=v1 | jq "map(.name)" > inst.json
- Parse the result so that it becomes a single line, e.g.
cat inst.json | tr -d '\n\r\[\]\"\,'
- Now run
brew info --formula
(treat everything as a formula to avoid warnings) with that single line, pipe the result in another file (e.g.all-installed.txt
) - Go through that file, extract the line with the formula name and the date, and format it using something like
cat all-installed.txt | sed -E 's/([[:alnum:]]+):? stable.*\n(.*\n){3,7}^ Poured from bottle on (.*)$/\1 -- \3\\n/g' | sort | tail -40
— the idea is to have lines just with the date and the formula name, so that it can get easily sorted [note: I'm aware that the regex shown doesn't work, it was just part of a failed attempt before I gave up this approach]
Messy. It also takes a lot of time to process everything. You can put it all in a single line and avoid the intermediary files, if you're prepared to stare at a blank screen and wait for several minutes.
The quick and dirty approachI was trying to look for a) installation logs; b) some sort of database where brew
would store the information I was trying to extract (and that brew info
has access to). Most of the 'logs' I found were actually related to patching individual packages (so that if something goes wrong, you can presumably email the maintainer). However, by sheer chance, I also noticed that every package has an INSTALL_RECEIPT.json
inside /usr/local/Cellar/
, which seems to have the output of brew info --json=v1 package-name
. Whatever the purpose of this file, it has a precious bit of information: it has been created on the date that this package was installed!
That was quite a bit of luck for me, because now I could simply stat
this file and get its creation timestamp. Because the formula directories are quite well-formed and easy to parse, I could do something very simple, just using stat
and some formatting things which took me an eternity to figure out (mostly because stat
under BSD-inspired Unixes has different options than those popular with the SysV-inspired Linux).
For example, to get the last 40 installed formulae:
...ANSWER
Answered 2021-Jun-06 at 05:31The "brew list" command has a -t option:
Sort formulae and/or casks by time modified, listing most recently modified first.
Thus to get the most recent 40, you could write:
QUESTION
I have been making an Atari Breakout inspired game based off of a tutorial. I was wondering how to make a "GAME OVER" screen that will show up once the player dies. The code that I have has a variable that I created called "DrawDeath()". I have it coded so that text appears when you die but for some reason it never shows up.
...ANSWER
Answered 2021-Jun-04 at 21:19You have some errors in your code so I correct what the console showed. I have also changed the code to use requestAnimationFrame
. Once a gameOver status has been triggered the requestAnimationFrame
will stop running and setInterval
will run the drawDeath
function. You also have an error in your game over text as you were missing the x and y coordinates.
Additionally I added the downPressed
variable that was missing so you could restart the game.
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