land | Run Deno X module without installation
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kandi X-RAY | land Summary
Run Deno X module without installation.
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QUESTION
I have a grib file containing monthly precipitation and temperature from 1989 to 2018 (extracted from ERA5-Land).
I need to have those data in a dataset format with 6 column : longitude, latitude, ID of the cell/point in the grib file, date, temperature and precipitation.
I first imported the file using cfgrib. Here is what contains the xdata list after importation:
...ANSWER
Answered 2021-Jun-16 at 02:36Here is the answer after a bit of trial and error (only putting the result for tp variable but it's similar for t2m)
QUESTION
I am trying to parse many XML test results files and get the necessary data like testcase name, test result, failure message etc to an excel format. I decided to go with Python.
My XML file is a huge file and the format is as follows. The cases which failed has a message, & and the passed ones only has . My requirement is to create an excel with testcasename, test status(pass/fail), test failure message.
...ANSWER
Answered 2021-Jun-15 at 17:46Since your XML is relatively flat, consider a list/dictionary comprehension to retrieve all child elements and attrib
dictionary. From there, call pd.concat
once outside the loop. Below runs a dictionary merge (Python 3.5+).
QUESTION
I'm happy to use "map function" in python for parallelized calculations. such as below.
...ANSWER
Answered 2021-Jun-14 at 20:26"Map" is also a synonym for "function" in the mathematical sense: something that sends an input to an output. You should be able to find it in any English dictionary. It can also be used as a verb for the process of transformation: "map each element to its square".
The word "map" for a geographic drawing is related, in that it also "maps" each point of the real terrain to a point on the paper map, or vice versa.
It is not an acronym.
QUESTION
Every time somebody asks a question about delete[]
on here, there is always a pretty general "that's how C++ does it, use delete[]
" kind of response. Coming from a vanilla C background what I don't understand is why there needs to be a different invocation at all.
With malloc()
/free()
your options are to get a pointer to a contiguous block of memory and to free a block of contiguous memory. Something in implementation land comes along and knows what size the block you allocated was based on the base address, for when you have to free it.
There is no function free_array()
. I've seen some crazy theories on other questions tangentially related to this, such as calling delete ptr
will only free the top of the array, not the whole array. Or the more correct, it is not defined by the implementation. And sure... if this was the first version of C++ and you made a weird design choice that makes sense. But why with $PRESENT_YEAR
's standard of C++ has it not been overloaded???
It seems to be the only extra bit that C++ adds is going through the array and calling destructors, and I think maybe this is the crux of it, and it literally is using a separate function to save us a single runtime length lookup, or nullptr
at end of the list in exchange for torturing every new C++ programmer or programmer who had a fuzzy day and forgot that there is a different reserve word.
Can someone please clarify once and for all if there is a reason besides "that's what the standard says and nobody questions it"?
...ANSWER
Answered 2021-May-19 at 19:55Objects in C++ often have destructors that need to run at the end of their lifetime. delete[]
makes sure the destructors of each element of the array are called. But doing this has unspecified overhead, while delete
does not. One for arrays, which pays the overhead and one for single objects which does not.
In order to only have one version, an implementation would need a mechanism for tracking extra information about every pointer. But one of the founding principles of C++ is that the user shouldn't be forced to pay a cost that they don't absolutely have to.
Always delete
what you new
and always delete[]
what you new[]
. But in modern C++, new
and new[]
are generally not used anymore. Use std::make_unique
, std::make_shared
, std::vector
or other more expressive and safer alternatives.
QUESTION
I am working on a terminal game. The game field is occupied with fieldCharacters (░) and holes (O)
The field is generated randomly but I also want to ensure that the pathCharacter (*) always lands in the top left of the field (which is made up of a set amount of arrays)
To do this I assigned the first index of the first array to pathCharacter (*). See code below:
...ANSWER
Answered 2021-Jun-14 at 10:47There's a number of things I'd fix.
- First, you really shouldn't add your own methods to
String.prototype
; that way lies madness if you want any sort of maintainability. - Second, your
print()
method can't work (it's referring to an implicit globalfield
to modify the instance field_field
) – not that you're using it anyway, though. - You should probably use an array of arrays instead of strings, for less awkward manipulation.
- You don't need a class for
Field
:
QUESTION
I have an array of object that i got from my API and then displayed them to parent component as table row like so :
Each row has its own edit button where when i click ,it will popup a modal ( not redirecting to another page ) and it will contain some information based on which row i click. Below is the example when i click the forth row which has "Mamang Racing" as the client name.
reviewDetailModal.js
The Problem is , on the children component (modal component) when i about to edit any other rows for some reason it will still show me the latest data ( in this case the forth row ).
Code is shown below :
review.js
...ANSWER
Answered 2021-Jun-14 at 06:57You have to create a save method & pass the modal data through that save method to Review component.
review.js
QUESTION
I am new to Spark and am trying to run on a hadoop cluster a simple spark jar file built through maven in intellij. But I am getting classnotfoundexception in all the ways I tried to submit the application through spark-submit.
My pom.xml:
...ANSWER
Answered 2021-Jun-14 at 09:36You need to add scala-compiler configuration to your pom.xml
. The problem is without that there is nothing to compile your SparkTrans.scala file into java classes.
Add:
QUESTION
I'm trying to rut dat.gui in Vue3 environment. And I found npm dat.gui for Vue. According to the documentation, it says I need to import it in main.js and app.use(GUI) and then I could use it as a global component.
What I did is as below.
main.js
...ANSWER
Answered 2021-Jun-14 at 02:20@cyrilf/vue-dat-gui
was built for Vue 2, so you need to use the Vue 3 migration build to make the library work in your project.
To setup your Vue CLI scaffolded project:
Install the Vue compatibility build and SFC compiler that matches your Vue build version (i.e., install
@vue/compat@^3.1.0
and@vue/compiler-sfc@^3.1.0
if you havevue@^3.1.0
inpackage.json
):
QUESTION
I'm trying to show a link to a German version of my landing page if German is one of the browser languages, but the issue I am having is that the array is returning all languages in one value. How can I check to see if the value contains certain letters? Here is the code I am using and the return I see:
...ANSWER
Answered 2021-Jun-14 at 00:29you could use strpos, as
QUESTION
I'm trying to make a landing page comparison slider that reacts on the mouseX position, but I want the slider to move the opposite direction of the mouse position. Any suggestions on how I can make that happen?
Demo: https://jsfiddle.net/uw5v94qf/
So basically, like the demo shows, in my case the slider follows the mouse position. But I want it to kind of do the opposite(?), that is revealing the current slide that the mouse is hovering. The more the mouse moves towards the edge, the more it shows that particular slide.
...ANSWER
Answered 2021-Jun-13 at 23:03Actually this small adjustment does the trick
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