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Computer techniques

Scripts and tips

Reclaim disk space on an Ubuntu server

Linux

Commands to reduce disk space occupied by obsolete files

Compile pgModeler on Windows

PostgreSQL

pgModeler is an Open Source software allowing to model a database, that is to say to schematize everything related to the construction of a base (tables, fields, relations, constraints ...) and oriented towards the...

Replace JPG, PNG and GIF files by WebP

Picture

Presentation and implementation of WebP on a website

Using multi-threading on Talend

Talend

Threads are a way of distributing the processing load over several calculation units. Talend offers the possibility of launching multi-threaded sub-jobs, in order to parallelize the executions. Here is a proposal...

Embed and adjust subtitles in a MKV file

MKV

A technique for adding a subtitle file (SRT) to an MKV file and adjusting the subtitles to spoken text.

Start a program on a remote Windows computer

Windows

WMI (Windows Management Instrumentation) is a Microsoft system for managing Windows remotely. It is present on almost all Windows since Windows Me (2000). Here is the command to launch a program on a remote...

Tips on Talend

Talend

Some techniques and code snippets that can help on Talend projects.

Fix error "Could not find or load main class" on Talend

Talend

On Talend, if you have the following error when starting a job "Could not find or load main class", you can try the following workaround to unblock the problem : Open the .log file in workspace\metadata de Talend...

Obtain SQL Server port

SQL Server

To obtain the TCP / IP port of a SQL Server database, several solutions are possible. Via a request on the server. Using the following query: SELECT DISTINCT local_tcp_port FROM sys.dm_exec_connections WHERE...

WGET and CURL on Windows

Various tools

wget and curl are two programs present mainly on Linux focusing on downloading files from the command line. They have been adapted under Windows and offer the same commands as their equivalents under Linux.

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