I got in front of this problem while I was subscribing for data coming from an MQTT source.
If you have to extract text from a pdf file, you have a pool of possibility starting from the command line linux tools to libraries for your preferred programming languages.
One of the best library I used in conjunction with the java programming language is Apache PDFBox, you can download the full jar here.
I made this simple system for the toy trains of my little baby.
It is really simple.
The BOM (Bill Of Materials)
1 – Arduino UNO board
2 – Some wires
3 – A piece of thin cane
4 – A servo motor
5 – a bicolor led
With the release of arduino 1.0.6 there are problems while compiling the GSM library:
/Applications/Arduino.app/Contents/Resources/Java/libraries/GSM/GSM3ShieldV1ModemVerification.cpp: In member function 'String GSM3ShieldV1ModemVerification::getIMEI()':
/Applications/Arduino.app/Contents/Resources/Java/libraries/GSM/GSM3ShieldV1ModemVerification.cpp:72: error: conversion from 'int' to 'String' is ambiguous
/Applications/Arduino.app/Contents/Resources/Java/hardware/arduino/cores/arduino/WString.h:61: note: candidates are: String::String(const __FlashStringHelper*)
/Applications/Arduino.app/Contents/Resources/Java/hardware/arduino/cores/arduino/WString.h:59: note: String::String(const char*)
there are two ways to work with the GSM Shield:
What are VirtualBox Guest Additions?
They consist of device drivers and system applications that optimize the guest operating system for better performance and usability.
To install them in Ubuntu you have to mount the CD (embedded in virtualbox) and then you have to open a terminal and type the following command:
The following java method is a simple way to download a file stored on the internet.
Let’s say you want to download the file at the address http://www.yourdomain.com/file.zip and then you want to store it into C:, with the following method you’ll have to do the following simple call:
If you have to resize an image, you can use your favourite image viewer or editor program. It’s really simple, but if you need to resize a huge number of photos you have to do a really tedious work. As you should know the best jobs for a computer are the tedious and repetitive ones.