vodka | Small HTTP service library , no dependencies | HTTP library
kandi X-RAY | vodka Summary
kandi X-RAY | vodka Summary
Life in Russia is very hard. Usually we are drunk when Putin coerce us to write Scala code. So I decided to create a library with which even drunk bear can make microservice. Vodka is a small HTTP/1.1 server (less than 1000 lines of code) created without any dependencies on top of NIO2.
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QUESTION
When I try to run this code it returns "TypeError: state.drinksData.map is not a function". However, when I type manually the index (as state.drinksData[0]) it works fine. Why is that and how can I fix it?
...ANSWER
Answered 2021-Apr-18 at 04:28Don't mix the types of values in state when possible, otherwise you can get errors like these. You initially set drinksData
to a string, but the value given by the API in data.drinks
is an array.
Initialize the initial state to an empty array, not a string. (You can't .map
strings, hence the error.)
QUESTION
I am fairly new to Google sheets, and essentially what I am trying to do is remove all non-duplicate values that do not exist or is listed in another sheet or row - and also store the non-duplicate values somewhere else
In my example sheet here, I am trying to only keep the Alcohol names that are listed in column G
So in my case, I only want to keep the following records:
...ANSWER
Answered 2021-Mar-30 at 20:24Use this formula to only keep the Alcohol names that are listed in column G
QUESTION
I currently have a table with alchohol name, type and origin which can be found in this Google Sheet.
This is what the table looks like:
...ANSWER
Answered 2021-Mar-31 at 18:06Use this formula
QUESTION
In the code below, I'm expecting the forEach
loop to execute, then initialize the selectedGroup
state with data created from the loop.
Upon render of the component, the loop works just fine, but the selectedGroup
state doesn't get initialized. It seems that selectedGroup
is trying to be initialized before the loop finishes. Any ideas?
Code in Question:
...ANSWER
Answered 2021-Mar-27 at 16:32You could do with useEffect hook
QUESTION
So from a text file which has a content:
Lemonade juice whiskey beer soda vodka
In Python, by implementing that same .txt file, I would like to output word-pairs in the next order:
- juice-lemonade
- whiskey-juice
- beer-whiskey
- soda-beer
- vodka-soda
I managed outputing something like that by using list instead of opening file in Python, but in the case with some major .txt file, that is not really a handy solution. Also, the bonus task for this would be to output the probability for each of those pairs. Any kind of hint would be highly appreciated.
...ANSWER
Answered 2021-Jan-27 at 23:28To read large files efficiently, you should read them line-by-line, or (if you have really long lines, which is what the snippet below assumes) token-by-token.
A clean way to do this while keeping an open handle on a file is by using generators that yield a word at a time.
You can have another generator that combines 2 words at a time and yields pairs.
QUESTION
I'm brand new in MySQL and I need some help how to build simple query. I need to get some result selecting "filtered" data from one table linked with another table based on conditions inside this second table.
In the first table named "categories" with following data inside:
CategoryID CategoryName 1 food 2 drinks 3 sweetsIn the second table named "product" there are following records:
product CategoryID Quantity apple 1 5 banana 1 0 vodka 2 0 beer 2 10 chocolate 3 0 biscuits 3 0Both tables are linked by the column CategoryID.
I would like to build a query to return as results only the categories / CategoryName/, where there are products under this category with Quantity>0.
Expected result is:
CategoryName food drinks ...ANSWER
Answered 2021-Jan-16 at 00:37This should do it:
QUESTION
I'm working on a project where a Raspberry Pi controls some 12v pumps to eventually make cocktails. This is running in Flask, on a local Webserver (the Pi). There are multiple liquor bottles with hoses coupled to the pumps and the pumps are controlled via the GPIO pins on the Pi. This all works pretty well.
I want to add a function that prevents me from making a cocktail if the capacity of liquor that's left in the concerning bottle is insufficient. I've chosen to make a .JSON file as it is lightweight and fits my needs. An object in my .JSON file looks like this:
...ANSWER
Answered 2021-Jan-11 at 21:38Did you mean to update the fullness?
QUESTION
Good morning!
I am obviously pretty new to the whole programming thing, so I am working on a basic PoS application for a restaurant. I am trying to figure out how I can assign different values to the different buttons while using the same button click function. I know I could write out a new function for each button with the correct object properties pushed, but there has to be a better way. I currently just have it set for the top right port nachos button to push the information into the tab section (though right now I am drawing a blank as to why it is the only one to do this instead of all the foodbuttons pushing the pork nachos info). Any help would be greatly appreciated. Thanks again!
...ANSWER
Answered 2021-Jan-09 at 13:14Basically, I use the innerText
of each html element as keys in the object
On a side note: only Pulled Pork Nachos
, 6 Wings
and Pork Rinds
have any relation in the food variable so it will work better when you use your full variable and not JUST these 3 indexes(for an item that is non-existent in the food
variable, an alert is shown)
NOW as to what I fully did:
FIRSTLY, I made 3 variables outside the function; blankElemState
which is the tab element's innerHTML
when holding NOTHING, amount
as TOTAL tab amount and purchases
for holding the object equivalent of each purchase(because of reference logic, one can search through the food, drink and merch arrays and when a value EQUALS a value in purchases
, that's the exact item of purchase). For example of the reference logic, purchases[8]
might EQUAL food[2]
SECONDLY, I made a variable i
that holds the place in the food
array of the requested item(for drinks you can change that part to drinks.forEach
instead of food.forEach
and so forth).
NEXT, if there is nothing in the array that refers to the requested item(by user), I warn that there is nothing available for the order(which naturally should not happen).
THEN, if tabAmountSection
already has elements appended to it(not equal to blankElemState
), I clear tabAmountSection
(by making its innerHTML back to blankElemState
) so that there aren't multiple "final" purchase values and remove
buttons
QUESTION
When I console log after I run build 6 objects show up in my drinks array. They also show up when I run develop. But when I query graphQL only the last object in my array is available. I am new to gatsby and graphQL so included image just in case my query was off. Code is from my gatsby-node.js file:
...ANSWER
Answered 2020-Dec-15 at 06:44I've faced exactly the same issue as you a few months ago and, in my case was that I needed to set a valid internal id
for each element to allow GraphQL to create a proper schema for each node if not, the id
is overridden in each element and it only takes the last one.
In your case, it seems that some field is wrong, making the following expression invalid:
QUESTION
Im trying to make a simple game where you click the button and image of the drink displays on screen,
how to use the .create_image to display the image in my prefered position?
I know relx
/ rely
dont exactly work so what would be the best solutition
...what exacty are the parameters passed in the canvas.create_image()?
ANSWER
Answered 2020-Dec-14 at 16:24You could just simply read the docs for this, anyway, to create an image, you would use:
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