simpleblog | A simple blog based on django1.9 and python3.4
kandi X-RAY | simpleblog Summary
kandi X-RAY | simpleblog Summary
A simple blog based on django1.9 and python3.4
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QUESTION
I tried to refer to below links to use data.table
package to calculate mape
,smape
,mse
,rmse
, its working fine with below codes when run in chunk but become error when knit2html
. Somebody shade me a light?
ANSWER
Answered 2021-Jan-13 at 09:26seasonal_m1 <- data.table(seasonal_m1)
setorder(seasonal_m1, index)
QUESTION
This is the problem I have:
...ANSWER
Answered 2021-Jan-24 at 13:59You need to specifically import ArticleDetailView
as well:
QUESTION
ANSWER
Answered 2020-Aug-26 at 09:20Open the browser to your page and put a breakpoint in the browser on the code, you can click on F12 to open the developer window click on console and navigate to the line. click on the line to add a breakpoint.(red bullet) For ex.
The if statement would be a nice spot to put a breakpoint on. (javascript side) when in a breakpoint ( you see a blue line / redline) hovering on that spot when you hit it, and you can see which variables you have. and in console you can type "msg" and it would show you the current state of the msg object.
also might want to add a error part to the ajax call, just to check if the ajax call itself went ok.
QUESTION
I've got a Ruby on Rails application using Ruby 2.6.5 (rbenv) and Rails 5.2
I've created installation scripts to provision an EC2 instance and deploy the application to the instance.
It works consistently with a t3a.micro
instance, but fails consistently if I use the same deployment scripts configured to use a t3a.nano
(also fails on t3.nano
) instance. The error is:
ANSWER
Answered 2020-Jun-13 at 02:09I have encountered this problem. Most likely your EC2 instance is running out of memory when compiling the gems, and it is not able to install all of the gems. A t3a.nano instance has 0.5 GB of memory, while t3a.micro has 1.0 GB.
I solved it in my application by simply creating a swap file. It's an elastic beanstalk application, but you can probably adapt it to your application.
QUESTION
I am facing this issue and seen some answers on this site but did not get any proper solution.
I have used previous version of Firebase
which works fine but when I try to upgrade using Upgradation and update Firebase
class to DatabaseReference
it shows error and not working.
I am adding my manifest file entire code so please help me to resolve this issue.
Here is my manifest
ANSWER
Answered 2019-Apr-17 at 13:25In your SimpleBlog
application class, initialize FirebaseApp in onCreate()
method and remove it from RegisterActivity
in order to have Firebase initialize into entire application, not just one Activity.
QUESTION
I can obtain a summary of a variable stratified by other variables as follows:
...ANSWER
Answered 2020-Jan-07 at 06:05When reading through the code for data.table:::cube.data.table
and data.table:::groupingsets.data.table
, the j
argument is already being evaluated using NSE. Hence, being unable to pass in as.name(var_work)
to the environment argument of substitute
, the function will fail.
As a workaround, you can use .SDcols
:
QUESTION
ANSWER
Answered 2019-Dec-23 at 23:05No. Javascript runs in the browser. PHP runs on the server. It would be a security nightmare if the server allowed a client to inject code.
The traditional way to do something like this is to have multiple pages (or PHP that returns JSON as an AJAX call) that reacts to what the user inputs in a form (e.g. the Practice button etc).
QUESTION
I'll use a hypothetical scenario to illustrate the question. Here's a table with musicians and the instrument they play and a table with the composition for a band:
...ANSWER
Answered 2018-Sep-04 at 01:41Came across a relevant post: Randomly draw rows from dataframe based on unique values and column values and eddi's answer is perfect for this OP:
QUESTION
I can't do rake db:migrate.
I've tried to change in pg_hba.conf
md5 -> trust, but it's not helped me, because I get new error with trust:
ANSWER
Answered 2019-May-20 at 05:00check the "SIMPLEBLOG_DATABASE_PASSWORD=something" inside the application.yml
QUESTION
I currently have a dataset that I want to squash. For example, imagine that one column is mother
and the other is child
. Mothers might have more than one child, but each child only has one mother. So in my ideal output, there would be one row per mother, with the mother as one column and a list of children as the other. My current data instead has one row per child, with the mother duplicated.
I can do this in R, based on this very useful blog post. So for example:
...ANSWER
Answered 2019-Mar-15 at 16:24Community Discussions, Code Snippets contain sources that include Stack Exchange Network
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