airplan | 使用 vue.js | State Container library
kandi X-RAY | airplan Summary
kandi X-RAY | airplan Summary
使用 vue.js 2.x开发的航空公司机票预订系统
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QUESTION
I am really new to React JS. I am making a small project that has a table with movies in it. In the top it shows how many movies are there.
My problem is that this.setState()
is not working. It is showing an error numberOfMovies is not defined
.
My Code -
...ANSWER
Answered 2021-Jun-14 at 18:06Try updating your setState function to the following. It is an updater function that provides the current state value. This is useful incrementing or similar as you are wanting to increment the current value in state:
QUESTION
This is my daily training and I almost know everything about JS web. but today I head to a problem and that is weird cause I always work with these but Idk why it keeps giving me errors. the error p is Type 'number' is not assignable to type 'string'
when hovering on basketTotal.textContent = total
and there is also problem with .value
and this is also the error for this one Property 'value' does not exist on type 'Element'.
I haven't seen sth like this before. Trying to create a shopping basket just for training.
thanks
ANSWER
Answered 2021-Jun-05 at 15:21You're using TypeScript. Your total
is a number, but the .textContent
of an element can only be a string. For TypeScript to understand that what you're doing isn't a mistake, you need to explicitly cast the number to a string when assigning it.
QUESTION
I have imported JSON for countries
:
Countries.json (sample)
...ANSWER
Answered 2021-Jun-04 at 04:22I would try something like this to achieve the desired behaviour:
QUESTION
I have a situation where I have a very large dataframe that has airplane location data with 5 rows per timestamp (see table below for an example of 1 timestamp... 3 of the rows just have dots but imagine they have plane_nums and locations)
...ANSWER
Answered 2021-Jun-03 at 00:07Here's a method to get all your data in one row prior to any calculations. Instead of the lambda function to reshape the data you can have a function that does your calculations.
QUESTION
I have 6 headshots I am displaying on a page and I am using grid to separate them into 2 rows and 3 columns. Each image is the same size, but for some reason, the second image in each row is slightly bigger than the first image and the 3rd image is even bigger than the second. How do I keep the images to all scale the same and keep the design responsive when using grid?
It appears at extremely large screen widths the images are the same size, but as the width of the screen narrows that's when the image sizes start to not match each other.
...ANSWER
Answered 2021-May-28 at 09:43update grid-template-columns: repeat(3, minmax(0, 1fr));
in .card-container
, so all columns will be same width:
QUESTION
Can any one suggest me from where I can freely download the standard input dataset for the MJPEG codec (encoder and decoder).
I need this mentioned inputs for testing my codec.
For example: Lena, Airplane, and Baboon etc
...ANSWER
Answered 2021-Jun-02 at 13:10QUESTION
I have the following base interface:
...ANSWER
Answered 2021-May-31 at 16:24You can make your Vehicle
class a simple union of all the possible vehicles. This can work like this:
QUESTION
Im creating some airplane reservation system. I want to have already saved some users and this is how I made it:
...ANSWER
Answered 2021-May-27 at 16:43Although, I am not really sure with what are you asking, I would pass the already existing ArrayList as an argument to addNewPassenger() method.
Here is how I would implement it:
QUESTION
I am unable to catch SocketException
in flutter http
package.
ANSWER
Answered 2021-May-27 at 14:41Updating flutter 2.0.5
to 2.2.0
solved the problem.
QUESTION
Is there any known danger with exposing the use of a FullText index to internal and possibly public users?
Assuming the queries are properly parameterized, is there any way that a user could abuse the inputs to trigger a SQL injection or denial of service attack?
...ANSWER
Answered 2021-May-24 at 19:38When talking about SQL injection the risk is that someone can introduce SQL keywords into the query itself by adding SQL to a data parameter.
This is why separation of data and query is absolutely critical. This normally plays out by using placeholder values, as in:
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