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Simple multicast receiver in c

2 minute read

A simple test program can be created for receiving multicast data. Socket buffer size of multicast is limited and udp data can be easily dropped. So it is hi...

makefile scripts and samples

2 minute read

It is efficient to use scripts when the machine environment is diverse. Most of the settings are standardized. Modify the scripts if you use external librari...

Useful tips for vim

3 minute read

In vim, you can use more powerful functions than vi. It’s easy to specify a region for copying and divide windows. It is convenient to use comparative utilit...

Useful tips for vi

7 minute read

vi is one of the most frequently used editing tools for the unix operating system. vim is more powerful editor. It has so much functions, it is hard to remem...

How to add scraping url for batch in linux

less than 1 minute read

It is effective to use the crontab for the batch schedule. For example, You can create a batch program using the web and register the task in the crontab. In...