Computer data logging is the process of recording events in a computer program, usually with a certain scope, in order to provide an audit trail that can be used to understand the activity of the system and to diagnose problems.
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Web API Custom Error Logging
The goal of our application was to use the same custom logging we created for our ASP.NET MVC applications. We implemented a solution that used some of the techniques in ElmahExceptionLogger:
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18 views
User Login Notifier [on hold]
I'm creating a shell script that is supposed to email me whenever a specific user logs in. However, I'm wondering how I would go about doing this for more than one user. This is my code:
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2answers
44 views
Simplified LogService (from concurrency in practice) with shutdown feature
Brian Goetz provided following code of LogService with shutdown feature:
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16 views
Print log error and save it to a file
I have created a simple custom logger to print the error log and save it to a file with specific location.
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0answers
24 views
Function to log arguments and return value of any function in Clojure
I have implemented a function, which logs the inputs and outputs of any function, indenting the log based on the depth of the call stack:
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2
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1answer
68 views
Database logger for ASP.NET Core
I have created a database logger for ASP:NET Core's logging API and I'd like to publish it on NuGet when ready. The GitHub repository is here.
The library is partly modeled after Microsoft.Extensions....
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2answers
269 views
Simple Logging Class
I can coded a simple logging class in C#, my main aim for this is to make it easily usable, fast at logging and saving, and to handle pretty much everything that errors. Overall I am just looking for ...
2
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2answers
64 views
Custom log4net raising application-level events
Use Case: I have a form application in which I log events to a file/database and have a need to also raise those events to the application itself (for display purposes). Think old school updating ...
2
votes
1answer
55 views
Java - Log4j Singleton
First time on this community board. I'm trying to design and develop a singleton class that will handle resolution and configuration of log4j (not log4j2). The basic idea is to have a single class, ...
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0answers
33 views
Creating instances of a logger class for various logging levels
I provide a class to use but for convenience I want the class to implement some instance methods as static methods. This was fast and concise but it feels smelly, probably because I'm modifying the ...
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0answers
53 views
Passing a custom parameter through a logger
I have a custom logger which logs all messages at WARNING level and above to a Slack channel. Certain error messages occur so frequently that they make it hard to ...
0
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1answer
35 views
Monitoring errors with singleton
I need to monitor my functions for "errors" and want to print the warnings at the end of the functions. I thought using singleton class could be a good idea in here (code inspired by this example):
<...
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0answers
103 views
Parsing simple log files in Julia vs Python
I wrote a log parser in Python and Julia. The Python version takes about 8 seconds to process 350 files, while the Julia version takes about 8 seconds to compile, after which it takes over 20 seconds ...
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1answer
70 views
Simple logger for a server
I wrote a simple logger for a server I'm writing. I'm wondering if anyone has any suggestions to improve it.
doom_logger.erl
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1answer
166 views
A modern and extensible C++14 logger
I recently wrote this C++ Logger API code for a game engine. It needs to be as fast as possible so I tried to postpone everything to compile-time using different template meta-programming tricks (for ...
5
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1answer
43 views
Strip a newline and add more text to a Go bytes.Buffer
I wrote a little timer middleware to append the request duration to the end of the log message returned by the excellent Gorilla Toolkit's CombinedLoggingHandler ...
5
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2answers
124 views
Proper separation of concerns for stateful logger
This is a code review for a set of loggers following this question.
The project is a universal windows application targeting Windows Phone.
There are concerns over the tight coupling between the ...
4
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1answer
69 views
Log file mechanism
I want to create a generic log file which I can easily reuse in multiple files. Also, I want to be able to use the versatile std::cout so I can easily write ...
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0answers
95 views
subprocess with logging module: tee with StringIO
I've got a long-running process. Once it finishes I need the output. But the user should be informed as its running. With the logging module I get timestamps and ...
2
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2answers
151 views
A generic logger in modern C++
I've created a simple logging system that I'm planning to use and I've tried out some modern C++ features to make it generic. First I've made a log class that represents a single log message:
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8
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1answer
129 views
Simple log writer class
I've written a simple log writing class. My code is also hosted on my Github.
Specifically, I am looking for criticism on these items:
Resource management. What is a more correct/safe way to ...
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2answers
92 views
Logging all API call traffic in Java servlets
We have a few servlets like the one below, taking JSON request and produce JSON response. And the requirement is to log all API call traffic.
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1answer
321 views
Spring AOP Log4j Logger example, improvement
I went through some of the stuffs on net regarding spring AOP and wrote a Spring AOP logger.
Can you guys check my code and give your valuable inputs to improve it or if it is not proper, give me an ...
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0answers
42 views
Reading log file of subprocess
I run subprocesses with lot of output (compilation of Unity 3D projects).
I use log parsers to find known issues.
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4
votes
2answers
38 views
Process monitoring script
I wrote a script which logs memory usage of a process (pid in file), and reacts in case a limit is reached. I run the script nightly. In my case, the process concerned propably has a memory leak and ...
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1answer
72 views
Logging System - Follow Up
Previous question: C# Logging System
I have took your answers on board and added the following changes to my LogManager.cs class:
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2answers
211 views
C# Logging System
I created a small logging class library and wanted you guys to check it out, I used to use Log4Net but thought I could create something more user friendly that was more suitable for my project than ...
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1answer
143 views
Log sorting program
This is my first ever program written in Rust (after reading the book). It is small tool to sort all lines from stdin according to two criteria. First one is time ...
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1answer
88 views
Arduino weather station logger
I made a program that uses the Adafruit pressure sensor, and the DHT22 temperature and humidity sensor to log pressure, temperature and humidity every 30 minutes. I left it outside my house overnight ...
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1answer
65 views
Android log in file for testing purpose
I have created a method which shows log in logcat and also writes into the file. Every time this method is called it appends String in file. There are so many read/write operations on disk/non-...
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4answers
396 views
Recurrence, recursive function
Type a number \$n\$. Then calculate \$f(n)\$, where
$$ f(n) =
\begin{cases}
n-10 & \text{if}~ n > 100\\[1.5ex]
f(f(n + 11)) & \text{otherwise}
\end{cases}
$$
The output must show all the ...
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2answers
57 views
Counting unique visitors in access log
I'm aware I am probably reinventing the wheel somewhat here, but I am trying to teach myself simple bash coding by completing simple tasks such as parsing files.
To that end I am looking to learn ...
2
votes
1answer
85 views
Generating INSERT query from parameters
I use NLog everywhere and I really don't like writing the inserts everytime. You need to write the same variable three times: two for the insert and one for the parameter for example:
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1answer
320 views
Ambient Context
What do you think about this way to make logging available across the application without passing log object around? Let’s say we have something which allows us to ...
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2answers
77 views
Simple logging library in C
This header implements a very simple set of C (only) functions for logging.
This is part of a larger collection of utility functions aimed to be used during the development process, meaning that they ...
5
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1answer
84 views
Python logging handler
I'm working on a logger that has a name of the module that called the logger (when I create an instance of a logger in my program, I call LoggingHandler(__name__)) ...
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votes
1answer
171 views
Class of file uploading to S3 using boto with multipart supported
I'm writing an app by Flask with a feature to upload large file to S3 and made a class to handle this.
I have some targets in writing code:
Code must be easy to understand and maintain. (Yes, ...
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votes
1answer
89 views
Wrapper for Java logging
I am currently working on a new version of my application, and I just finished rebuilding the log part. It works well but I am skeptical about the choices I made. I am a student and I work alone in ...
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2answers
90 views
Logging errors and debug messages
I'm currently working on a small project that uses Java to handle a socket-based MMO browser game. I'm still at the beginning of the project and I'm currently writing a class that logs errors and ...
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1answer
55 views
SQL message logger run loop
I am learning Java by reading source code of other authors. This Java method handles communication with SQL database. While the code does work several things concern me. For instance the ...
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3answers
113 views
Overwriting native console.log function in JavaScript
I want to override the console.log function in order to save the data other scripts log. My script executes before any other script, so I have full control over the ...
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0answers
32 views
Grouping logs and providing counts
The code is supposed to group start and end time logs and provide log counts and unique ID counts. The grouping will be variable 1 hour, 6 hours, 12 hours, 24 hours, etc.
What is the better way to ...
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1answer
1k views
Scraping after login using Scrapy
I just finished a scraper in python using scrapy. The scraper logs in to a certain page and then scrapes a list of other pages using the authenticated session.
It retrieves the title of these pages ...
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votes
2answers
70 views
Splitting a CAN bus log in .asc format
I've written a quick script for a coworker to split a large CAN log into smaller chunks. (If you're not familiar with CAN, it's a communication protocol used by the ECUs in many cars.) I know where ...
3
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0answers
29 views
How to properly set a different formatter for a specific logger's child?
For certain modules or functions, I want to have a different format for the logged messages. I have done this in a way that looks a bit hacky: I have set a special Logger, containing a special Handler,...
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0answers
334 views
AngularJS client side logging in a MVC web application
Being a newbie into AngularJS, I have overlooked the importance of client side logging until some non-reproducible client-side errors occurred and I realized that they were not logged.
My web ...
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45 views
F# logging agent with mailboxprocessor
I'm still learning F# and have written this logger agent I want to use in a project.
How is the coding style? Especially the part with MailboxProcessor.Start ... ...
2
votes
1answer
1k views
Injectable logging with NLog and Ninject
I have been using NLog for logging purposes in my web applications, but it was not injectable. More precisely, each class using logging declared the logger like this:
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1answer
185 views
Python + spark to parse and save logs
I need to parse logs and have got following code. I can see two problems: map().filter() may induce some performance penalties and copy-paste block
parser.py:
<...
3
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1answer
45 views
Simple console directive, revised using provider
I recently created my first directive based on jQuery plugin and I asked for review here: Angular console like window - first directive
I've edited my directive so now instead of ...
