Piotr Nowicki's Blog

There is a well known problem with precise floating point numbers representation in a computer, and Java is no different in this case.

Sometimes, when building an application, there is a need for some SSH command execution on the remote server.

In Eclipse you can open a method definition if you point the method name (its invocation), and hit ctrl + LMB.

You can access the resources which are available for one servlet context from the other.

Today I’ve bumped into some weird problem with PHP files comparison using Eclipse PDT and Subclipse (SVN).

I wondered why the same word has different MD5 checksum if I use the PHP md5(-) method and BASH md5sum command.

If you want to create every possible word or combination of letters (or any other characters) you can use very simple BASH function: $ echo {a..c} This command will print all possible letters starting with a and ending on c (inclusive), so the result is:…

When you want to create a boolean property in a Java Bean (let’s name it visible), you most likely would want to use a boolean type variable and create accessors for it.

I wanted to find some solution to a problem of automatic generation of build numbers/version identifiers using an ANT.

In the Axis2 (which you can download from this site) bin subdirectory, there is a java2wsdl.sh file which can be used to generate a WSDL file from plain Java classes.

I’ve recently bumped into a problem with using a SSL Network Extender when trying to establish a VPN connection through the web browser.

When you create a *.jar file using jar command-line tool, it is worth to remember that the order of arguments does matter, so: jar cmvf projects/myTags/etc/MANIFEST.MF myTags.war myTags means that you must firstly provide the manifest file (m), than the…

Sometimes, there is a need to use SOCKS Proxy for connection even if an application itself isn’t providing such feature.

Sometimes you just really want to use the autocomplete feature and omit the HTML form autocomplete=off.

It seems that in Ubuntu 10.04 the tun module (which is used to create fake network interface) is compiled into the kernel instead of being a module as in Ubuntu 9.10.

Below is a BASH command which will find all undefined acronyms used in a LaTeX text.

If you wonder why Eclipse is still throwing following exception during WSDL generation: Exception occurred while reading or writing file {0}The Axis2 facets cannot be installed since the Axis2 runtime location has not been set.

Executing this code will allow you to get back to firefox 3.x fonts rendering in firefox 3.5.

Tonight I’ve fought with making Maven and Hibernate to cooperate… After 1,5h struggle, I’ve decided to write down what I’ve “discovered”.

I like to keep my system clean and secured.

If you are looking for a script which will allow you to publish videos on your website – the Flowplayer would be a very good choice.

Webapp for file management