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Allow geolocation in HTTP

HTML / JS / CSS

If you develop a website locally, you do not necessarily use an SSL certificate. Unfortunately, this blocks certain features, such as geolocation. Here's how to work around the problem.

Talend: fix "Plugin X or one of its dependencies could not be resolved"

Talend

On Talend, you can have the following exception: "An error occurred (java.lang.Exception: [ERROR] Plugin X or one of its dependencies could not be resolved: Cannot access central (https://repo1.maven.org/maven2/) in...

Talend: avoid modifying context variables during a job

Talend

On Talend software, on a job, it's possible to assign the value of a context variable, via a tJava, by writing for example: context.myVariable="abc";There is no error and most of the time it goes very well. Except...

Read and edit ePUB files

Various tips

An overview of some software on Windows to read and modify ePUB files.

Fix "Unknown: failed to open stream: No such file or directory in Unknown on line 0"

PHP

While viewing your website, you may have the following two errors displayed: Warning: Unknown: failed to open stream: No such file or directory in Unknown on line 0 Fatal error: Unknown: Failed opening required...

Auto-assign the last modification time of a row (PostgreSQL/MySQL)

PostgreSQL

Depending on the DBMS, the way to automatically assign the date and time on the modified lines differs.

Synchronize a PocketBook eReader with a personal server

Various tips

If you have a "Tea" brand e-reader (Vivlio), Inkpad or Touch HD model, here is a way to synchronize it with a personal server.

Fix Talend when it's not using the right execution context

Talend

It may happen that Talend Open Studio does not use the correct execution context. Typically, you run it on the pre-production context, and the variables it uses are NULL or unexpected values. This can cause for...

Wait for the end of a process in a Batch file

Scripts Batch / VBS

In a batch process which calls an executable, you may need to prevent this executable from being launched more than once if the batch is restarted. It is then interesting to wait for the end of the process or to...

Reclaim disk space on an Ubuntu server

Linux

Commands to reduce disk space occupied by obsolete files

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