lgr | Basic logger with some extras
kandi X-RAY | lgr Summary
kandi X-RAY | lgr Summary
Basic logger with some extras
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Top functions reviewed by kandi - BETA
- New creates a new logger
- main is the main entry point .
- getDump returns the current stacktrace .
- SetupStdLogger configures the standard logger
- Secret adds a set of secret secrets to the log .
- ToWriter returns a new Writer .
- Out returns an Option that sets the Writer to the output .
- Format returns an Option to set the format string .
- Err returns an Option that sets the writer to the given writer .
- Map returns an Option that sets the mapper to use .
lgr Key Features
lgr Examples and Code Snippets
Community Discussions
Trending Discussions on lgr
QUESTION
I am a beginner on mlr3 and am facing problems while running AutoFSelector learner associated to glmnet on a classification task containing >2000 numeric variables. I reproduce this error while using the simpler mlr3 predefined task Sonar. For note, I am using R version 4.1.2 (2021-11-01)on macOS Monterey 12.1. All required packages have been loaded on CRAN.
...ANSWER
Answered 2022-Jan-24 at 18:05This is a problem specific to glmnet
. glmnet
requires at least two features to fit a model, but in at least one configuration (the first ones in a sequential forward search) you only have one feature.
There are two possibilities to solve this:
- Open an issue in mlr3fselect and request a new argument
min_features
(there already ismax_features
) to be able to start the search with 2 or more features. - Augment the base learner with a fallback which gets fitted if the base learner fails. Here is fallback to a simple logistic regression:
QUESTION
This is an abstraction sample of a very large dataset where I have two dataframes.In df1
only some codes, in df2
codes connected to a name.
I need now a new column in df1
called names which fit the according codes.
ANSWER
Answered 2021-Oct-11 at 15:51QUESTION
I am trying an example of using H2. But I cannot create an in-memory DB. When I run the following program, I just get an error message:
java.sql.SQLException: No suitable driver found for jdbc:h2:mem at java.sql/java.sql.DriverManager.getConnection(DriverManager.java:702) at java.sql/java.sql.DriverManager.getConnection(DriverManager.java:251) at db.DBExample.main(DBExample.java:14)
In pom.xml I included
...ANSWER
Answered 2021-May-24 at 14:30The problem is because you have specified test
.
Remove the scope line.
This scope indicates that the dependency is not required for normal use of the application, and is only available for the test compilation and execution phases.
QUESTION
I have seven different input fields and updating the state with the entered value. After that, I am concatenating all the state values and updating the contractNum state but it is not being updated correctly. It is missing the first state (this.state.contact.sys) value. I am not sure how to get the right concatenated value. Any help is much appreciated.
...ANSWER
Answered 2021-Mar-04 at 03:55You used contact.sub
instead of contact.sys
when setting newValue
.
QUESTION
I have over 100 csv files that contain data like this...
...ANSWER
Answered 2021-Jan-26 at 04:15I realized that a few of the files had 8 columns. I thought this might be the case and was trying to account for it with my original question code colClasses = c(rep("character", 3), rep("NULL", 4))
When I switched the 4 to a 5 in ```rep("NULL", 5)), it correctly nullified that 8th column. I modified my original question code to be slightly more readable (maybe). This is my first real function, and it's nested to boot. It's sloppy but I'm pretty proud of it.
QUESTION
I have the following test method. What I want to achieve in this test is to verify that the Error method was invoked by method SendSMSAsync()
when it received an exception.
ANSWER
Answered 2020-Nov-12 at 19:52You could catch the exception as part of the test:
QUESTION
I have a dataframe with 9 columns (long cryptic column names) and ~1000 rows. I want to drop/delete merely the rows where the values in column 2 and 3 are NaN.
I know there is DataFrame.dropna(subset=[])
but I don't want to select the columns by label but by position.
Is there a way to do it? Renaming the columns is no option.
SOLUTION for me:
df.dropna(subset=df.columns[[2,3]], how='all')
EDIT: This are some rows of my dataframe: (the important columns are Temp. and Event)
...ANSWER
Answered 2020-Oct-24 at 19:14Instead of deleting the rows that you do not want, try keeping those that you want:
QUESTION
First, I appologize for not having a minimal example (I can attempt to construct one, but for now I have a "before and after" example):
First the "after" which has the memory leak:
...ANSWER
Answered 2020-Sep-28 at 18:38The problem is a variant of the classic leak scenario in which we retain a reference to the head of a lazy list while it's being consumed:
QUESTION
I'm trying to connect a server through SSLSocket using protocol TLSv1.2. The server only supports the following ciphers.
- ECDHE-ECDSA-AES128-GCM-SHA256
- ECDHE-RSA-AES128-GCM-SHA256
- ECDHE-ECDSA-AES128-SHA256
When I try to set enabled cipher suites, I'm facing following Exception:
...ANSWER
Answered 2020-Aug-27 at 09:20You can list the supported cipher suites using:
QUESTION
I want to know some of the reasons that can cause below exception. I am unable to find this message Cannot find message
in jsch-0.1.54.jar
. There exists some straight forward messages like file not found
and others that make sense. But I need more information about this one so that I can reach to the root cause.
ANSWER
Answered 2020-Jun-22 at 08:05The error message comes from your server. It's indeed quite strange message, but I assume that it's some custom SFTP server that deals with some "messages" rather than plain files.
So the message basically translates to "Cannot find file" error of a traditional SFTP server. Even the error code 2 (SSH_FX_NO_SUCH_FILE
) supports that.
Your path in remoteFile
is probably wrong.
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