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Trending Discussions on ehm
QUESTION
i'm tring to backup my database from production machine to a standby machine.
My production machine is a debian (unspecified version) distro
My standby machine is a ubuntu 20.10 distro
After some readings across the internet here is what i was able to accomplish
- pg_dump -h 123.123.123.123 -p 5432 my_db > my_db.bak -> check
- psql < createDateabase.sql -> check this make a simple drop/create database my_db owner my_db_backup;
- psql < my_db.back -> check
so far so good
- connect with my sqlworkbench to db -> check
- use table imported -> ehm, not check
the problem is the ownership of the tables and sequeces. When imported, postgres is their owner but i want my_db_backup as owner insted.
I have tryed, as a workaround, to
- alter table xxx OWNER TO my_db_backup; - > check for each table
- alter sequence if exists xxx OWNER TO my_db_backup; -> it takes forever and it is unable to finish;
the command for the final stage (change ownership) is psql < finalize.sql
and finalize.sql is
...ANSWER
Answered 2021-Apr-17 at 17:30I was finally able to accomplish the import with a different user as follow
QUESTION
i am pretty new to react.js, and i wonder how i can accses the browsers query params, example: fetch('http://localhost:8080/api/teamcomp/getPlayersInComp/{id}'). I've tried some soulutions i found on other stackoverflow but i cant make ehm work, here is my code:
...ANSWER
Answered 2021-Apr-16 at 08:50The TeamComponent
needs to access the match prop. The useParams
hook is only compatible with functional components. Don't forget to also fix your fetch request url, it should be a string template so you can inject the route match param.
Move TeamComponent
to the component
prop of the Route
so route props are passed to it.
QUESTION
i'm trying to come up with best way to draw a floor plan in flutter, something like these images, but it would be for regals in one concrete shop, instead of plan of shopping centre with multiple shops.
i decided rectangles would be sufficient enough for now and i have multiple ideas on how to execute, but no idea which one is the best. or maybe there is even better one i have not thought of
1. using custom painter
regals have attributes: ax, ay, bx, by
, so they go from point a (left bottom) to b (right upper)
code like this
ANSWER
Answered 2021-Mar-04 at 22:46Here is a quick playground using a Stack
of Regals
who are just Containers
in this quick implementation under 250 lines of code.
Click the FloatActionButton
to create random Regal
. Then, you can define the position of each Regal and its Size, within the limit of the Floor Plan and Max/min Regal Size.
In this quick implementation, the position of a Regal can be defined both with Gestures or Sliders; while its size can only be defined using the sliders.
Package Dependencies- Riverpod (Flutter Hooks flavor) for State Management
- Freezed for Domain classes immutability
QUESTION
I am trying to make a errorhandling for my Discord.py, how do I know what command was used for the error to pop up?
...ANSWER
Answered 2021-Jan-31 at 10:10Your solution is to add them to the command specifically, this also means it can help diagnose an issue with a command more exact.
You can also add any error events to the specific listener, just like how you done it for all commands, instead add them individually.
QUESTION
I have a main program which does some cool stuff and I am currently setting up a 'settings editor' to let the user change some GUI related stuff and default values. It reads values from a text file, which is read in correctly and saves them to a dictionary self.propertiesDict. Some of the options are on/off switches, so I use checkbuttons for them. What is puzzling me is following behavior: the code works perfectly fine, when I execute the settingsEditor.py (the script creating the settings window) directly. All the checkbuttons are set to active / True. However, when I include my settingsEditor in my main program and call it, it creates fine but all the checkbuttons show the wrong value: False. I read a lot of topics here to find an answer, but I think I avoided the most common errors:
- I use the tk variables
- tk variables are created and set prior to the buttons
- variables are not only in local scope (prefixed self.)
As you can see, I tried with an IntVar and a BooleanVar, but neither is working correctly. Something else is strange, when I use ttk.checkbuttons, I get the issue described here. I use Visual Studio for debugging and I can't see any difference in the process when going trough line by line, except for the wrong display result. I am happy for any suggestion. Sorry for not providing a full MWE, I will do, if nobody can help me from this here.
settingsEditor.py
...ANSWER
Answered 2020-Aug-26 at 04:58As suggested by jasonharper, switching to Toplevel() for the child windows fixed the issue. Thanks alot!
QUESTION
So my problem is that I have those 2 buttons inside this card and when i click them it redirects to a link which the card itself is redirecting, so can i make this work?
...ANSWER
Answered 2020-Aug-23 at 13:07You can make use of event.preventDefault() :
QUESTION
I am facing this problem since yesterday, Burp started showing the error below when trying to import the .jar file of the plugin, but Netbeans has no issues compiling it. I imported Selenium through the Maven dependency in the pom.xml file and each time I load the plugin into Burp i run the Clean and build option to avoid any issue
However, the code I run is like this:
...ANSWER
Answered 2020-May-10 at 13:49Adding this plugin to the pom.xml file fixed the error for me, it includes Maven dependencies in the jar when building the project.
QUESTION
I have a Slick-slider, that looks like this on desktop:
...ANSWER
Answered 2019-Apr-18 at 19:39You can do some DOM manipulations:
- Move the inner
div
s to the parent (.slider
) - Add the class
.slick__single-slide
to each. - Wrap their inner content (the number) with
div
.
I show the output html in a pre
tag so it could be easy to see the result.
QUESTION
I am using elasticsearch-6.4.3. I have created an index flight-location_methods
ANSWER
Answered 2019-Oct-17 at 12:42Let's first discuss the elasticsearch tokenizer and tokenization process:
A tokenizer receives a stream of characters, breaks it up into individual tokens (usually individual words). ES docs
Now let's describe how to autocomplete analyzer work:
- standard tokenizer is provided tokens as standard elasticsearch tokenizer (for simplification let's tell that this is words)
- lowercase filter makes all characters lower.
- then edge_ngram filter breaks each word to tokens.
From here start magic: I think that your definition for a token from 1 to 20 is too much. Might be exists words that include more than 10 characters but for our case, it's not relevant. Also, token that include only one character not usable for us. I change it:
QUESTION
I want to fill a range of n rows and 3 columns with 3 formulas, one in each column.
The first column should contain a date range.
I fill it this way:
...ANSWER
Answered 2019-Sep-27 at 16:47Sub Fill()
Dim strFormula_template As String
Dim strFormulas(1 To 2) As Variant
Dim wb As Workbook: Set wb = ActiveWorkbook
Dim iCt As Integer
'Application.ScreenUpdating = True
With ThisWorkbook.Sheets("Test")
strFormula_template = "=COUNTIF('Sheet (count)'!G$2:G$5000, $Axx)"
strFormulas(2) = "=ROUND(MEDIAN($C$2:$C$8), 0)"
For iCt = 1 To 7
strFormulas(1) = Replace(strFormula_template, "count", iCt)
strFormulas(1) = Replace(strFormulas(1), "xx", iCt + 1)
.Range("C1:D1").Offset(iCt, 0).Formula = strFormulas
Next
End With
End Sub
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