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Parsing a packet using structs

Parsing a packet using structs

luca January 18, 2018 3

When I was analyzing the source code of an opensource software, I found an interesting technique to parse incoming data in a very efficient way, using a struct. This technique works if the received data has a

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Java, IllegalFormatConversionException when importing an SSL certificate

Java, IllegalFormatConversionException when importing an SSL certificate

luca November 28, 2017 0

Today I faced a strange problem. I needed to import an SSL certificate in a java keystore, using the “classic” keytool command. I was sure that the format of the certificate was correct, but I

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IIS, how to debug HTTP errors

IIS, how to debug HTTP errors

luca April 21, 2017 0

Today I faced a problem during the setup of a new application: if I opened a browser and entered the URL of the application, I got the following error message To be able to

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Google Chrome, how to display the website’s SSL certificate

Google Chrome, how to display the website’s SSL certificate

luca March 21, 2017 0

Users of the Google Chrome web browser were able to display the SSL certificate of a website published via https protocol with a click on the address bar. In the latest versions, this functionality has been removed:

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WinRM, exceeded MaxEnvelopeSize quota

WinRM, exceeded MaxEnvelopeSize quota

luca March 8, 2017 0

Today, while I was configuring an Exchange 2010 server, I got the following error: The WinRM […] was notified that the request size exceeded the configured MaxEnvelopeSize quota The MaxEnvelopeSize parameter defines the maximum size (in Kb)

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Microsoft Exchange without using Outlook

Microsoft Exchange without using Outlook

luca March 6, 2017 0

If you have a mailbox hosted on a Microsoft Exchange server, you’re probably using Outlook (or its web variant) as mail client. Thanks to a suggestion by a colleague, I’ve just discovered a way to access

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Websphere MQ – Copy messages between queues

Websphere MQ – Copy messages between queues

luca February 22, 2017 0

If you administer a Websphere MQ server, it may happen that someone ask you to manage the messages: create a backup, move messages from a queue to another one… The main administration tool for

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Eagle – PCB quote generator

Eagle – PCB quote generator

luca October 9, 2016 0

The PCBShopper website compares the prices of the most used PCB services. Jeremy Ruhland published on his Github’s repository an Eagle script (ulp, user language program) that automatically gets the required information from an Eagle project and compiles the

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Eagle – How to place pins in a circle

Eagle – How to place pins in a circle

luca May 21, 2016 0

I’m working with Eagle to prepare a PCB for a Nixie clock. I wasn’t able to find a library for the Nixie I chose so I had to create it from scratch. Nixie’s datasheet has the

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Windows, how to clean up unused COM ports

Windows, how to clean up unused COM ports

luca April 27, 2016 0

It certainly happened to you that, when you connect a new USB device to your Windows PC, the operating system assigns the device a COM port with a high number because of the previous

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