Snipplr

(Java) Finding classes - narkisr

Tue, 04 May 2010 04:02:44 UTC

Using http://www.clapper.org/software/java/util/javadocs/util/api/org/clapper/util/classutil/ClassFinder.html in order to find a class in class path.

(Bash) Couchdb tunnel over ssh - narkisr

Fri, 02 Apr 2010 20:04:32 UTC

An easy was to tunnel remote Couchdb instance into a local machine using ssh tunneling, by using the 5893 local port we enable the local instance to run (replication is only a click away).

(Bash) vncviewer over ssh - narkisr

Sat, 27 Mar 2010 10:58:41 UTC

Tunneling vnc over ssh

(Bash) Nginx static file serving with jetty proxy - narkisr

Tue, 23 Mar 2010 17:35:44 UTC

Nginx Jetty proxy basic configuration file, static content is served by Nginx.

(Bash) Mounting a windows share Ubuntu (CIFS) - narkisr

Sun, 31 Jan 2010 07:04:05 UTC

Mounting a windows share in Ubuntu (The UI version doesn't seem to offer a mount point).

(Clojure) Clojure REPL Tracing - narkisr

Thu, 28 Jan 2010 19:23:30 UTC

Using contrib's trace ns in order to debug functions in the REPL

(Bash) patch application svn -> git - narkisr

Wed, 20 Jan 2010 03:24:27 UTC

This is how to patch changes from svn into git (should work with other vcs as well).

(Clojure) keyword arguments in clojure - narkisr

Sun, 17 Jan 2010 10:14:03 UTC

Using keyword arguments in Clojure functions.

(Bash) setting up vnc debian way - narkisr

Fri, 08 Jan 2010 08:11:43 UTC

This is based upon a debian guide, it seems to work well for ubuntu as well, all these steps can be performed via remote ssh (no need to access the machine).

(Clojure) Clojure rlwrap setup - narkisr

Fri, 01 Jan 2010 09:39:01 UTC

Using rlwrap in order to wrap Clojure REPL (getting vi bindings & auto completion).

(Clojure) juxt(apose) function - narkisr

Wed, 30 Dec 2009 17:39:15 UTC

A nice function which creates a list of function that can be applied during a map.

(Groovy) Starting an in memory http server with custom routes - narkisr

Wed, 30 Dec 2009 09:43:02 UTC

This is excellent for testing (mocking a SOAP server for example), we use an in memory http server in order to answer client requests.

(Ruby) http sniffing Ruby - narkisr

Tue, 29 Dec 2009 06:26:13 UTC

Sniffing http request & response using pcap in Ruby.

(Bash) Shreding a folder tree - narkisr

Sat, 19 Dec 2009 09:59:30 UTC

This is how to use the shred utility on a folder tree.

(Bash) Invoking Ruby within a chroot context - narkisr

Mon, 14 Dec 2009 16:16:07 UTC

Invoking Ruby within a chroot context, post the script the context returns to the original host.

(Bash) Settings up a remote git repository. - narkisr

Mon, 14 Dec 2009 10:16:36 UTC

How to setup a remote git repository via SSH.

(Bash) Installing fuse xmlfs on Ubuntu - narkisr

Sun, 13 Sep 2009 04:16:45 UTC

The required steps in order to install xmlfs on Ubuntu.

(Lisp) Mamoize (function that returns a function) - narkisr

Sat, 05 Sep 2009 17:22:52 UTC

A nice example of a function that returns another function.

(Ruby) Groovy Map as Interface method in JRuby - narkisr

Fri, 04 Sep 2009 18:21:01 UTC

Groovy has the as keyword which enables the implementation of a Java interface by using the as keyword, its quite easy to mimic this in JRuby.

(Bash) Using scrot in order to take a screen shot - narkisr

Thu, 20 Aug 2009 17:49:07 UTC

(Lisp) Functional quick sort - narkisr

Fri, 14 Aug 2009 12:16:58 UTC

A Functional quick sort (Java imperative version seems to be quicker).

(Lisp) Encapsulation in Clojure - narkisr

Thu, 13 Aug 2009 14:36:22 UTC

Using closures in order to encapsulate access to data (in this case the counter is thread safe atom).

(Lisp) Viewing source & type methods in Clojure REPL - narkisr

Thu, 04 Jun 2009 15:44:04 UTC

Clojure contribe repl-utils offers two functions for locating the source code of functions & the method of types (http://groups.google.com/group/clojure/browse_thread/thread/77f95518fcfc8a08/5de8ef8ff8f3b3bd?lnk=gst&q=source#5de8ef8ff8f3b3bd).

(Groovy) Running an external process from a GString - narkisr

Fri, 17 Apr 2009 18:50:31 UTC

An easy way to launch an external process (http://docs.codehaus.org/display/GroovyJSR/Run+Sub-Process+Safely).

(Lisp) Clojure alternative doseq implementation (using reduce). - narkisr

Fri, 03 Apr 2009 12:13:35 UTC

Two alternative implementations of Clojure doseq utilising map & reduce functions (http://groups.google.com/group/clojure/browse_thread/thread/d6eb04c87bdd000f?hl=en).

(Lisp) Serializing Clojure data structures - narkisr

Sun, 29 Mar 2009 18:40:55 UTC

print-dup is a multimethod which provides with readable serialization format for Clojure data structures (http://groups.google.com/group/clojure/browse_thread/thread/e704414cf36ef2aa).

(Lisp) AOP tracing in clojure - narkisr

Fri, 27 Mar 2009 13:32:37 UTC

Shows how its possible to do AOP like programing in clojure.

(Groovy) Closure composition in Groovy - narkisr

Mon, 23 Mar 2009 11:12:06 UTC

Clojsure composition in Groovy (functional style programing). @http://www.ibm.com/developerworks/java/library/j-pg08235/index.html

(Ruby) Blank slate objects in Ruby - narkisr

Sat, 21 Mar 2009 19:27:42 UTC

Creating a object that doesn't have any methods in Ruby (regular objects inherit methods from Object class), useful for Proxies that use method missing (http://onestepback.org/index.cgi/Tech/Ruby/BlankSlate.rdoc).

(Groovy) WithIndex Groovy category - narkisr

Tue, 17 Mar 2009 08:34:09 UTC

An example of utilizing a category in Groovy in order to create withIndexfunctionality on lists each methods (traversing the list and having the index on each step), @ http://markmail.org/message/pa2irg4mvydpxi7c

(Groovy) Creating when construct in Groovy using closures - narkisr

Thu, 12 Mar 2009 10:59:59 UTC

A nice example of utilizing Groovy closures in order to create a when statement in Groovy (http://www.transentia.com.au/flatpress/?x=entry:entry090311-222726).

(Groovy) Groovy delegate, owner, this references. - narkisr

Sat, 07 Feb 2009 17:09:31 UTC

This, owner, and delegate: this : as in Java, this refers to the instance of the enclosing class where a Closure is defined owner : the enclosing object (this or a surrounding closure) delegate : by default the same as owner, but changeable. (http://groovy.codehaus.org/Closures).

(Ruby) Ruby redo statment - narkisr

Sat, 07 Feb 2009 15:55:57 UTC

An example of redo statement in Ruby, redo makes an iteration step repeat itself again (http://www.rubyrailways.com/rubys-most-underused-keyword/).

(Bash) A long list of bash aliases worth going through - narkisr

Fri, 06 Feb 2009 09:24:01 UTC

Some nice base aliases, still need to go through them

(Java) Haskell static dispatch rewrite rules - narkisr

Wed, 04 Feb 2009 16:38:50 UTC

Haskell uses static dispatch for overloaded methods, in addition it has an extension to write rules that optimize Haskell dispatching code.

(Groovy) Groovy date ranges - narkisr

Wed, 04 Feb 2009 04:54:34 UTC

Groovy ranges works on dates also! (http://kousenit.wordpress.com/2009/02/02/groovy-groundhogs/)

(Java) Runing btrace in a single command - narkisr

Sat, 31 Jan 2009 12:04:01 UTC

Running a btrace script takes two separate steps by default: 1. Running jps to get the Java process ID. 2. Running btrace on the ID. A simple awk script can merge the two into a single step.

(Bash) Running a KVM VM without X - narkisr

Tue, 27 Jan 2009 03:39:22 UTC

How to run a KVM VM with no X (server environment, originally seen at http://blog.bodhizazen.net/?p=40).

(Bash) Clearing git reflog - narkisr

Sun, 25 Jan 2009 19:12:21 UTC

This example shows how to clean up git's reflogs entries in order save space (see http://www.newartisans.com/blog/2008/04/diving-into-git.html).

(Java) Cool Haskell functional magic (arrows) - narkisr

Sun, 25 Jan 2009 16:31:57 UTC

Some really cool Haskell clustering function, the implementation uses Arrows (seen at http://debasishg.blogspot.com/2009/01/seeking-scala-equivalent-for-this.html).

(Bash) Restoring HEAD after a reset in Git - narkisr

Sun, 18 Jan 2009 17:10:52 UTC

This snippet shows how to restore HEAD after using Git's reset method (see http://gitready.com/2009/01/17/restoring-lost-commits.html?disqus_reply=5271828#comment-5271828).

(Java) Loading a text file resource from classpath in Java - narkisr

Thu, 15 Jan 2009 09:31:00 UTC

(Java) An immutable Java class builder - narkisr

Wed, 14 Jan 2009 17:09:44 UTC

An immutable (a new object is created for each change) Java class builder pattern example.

(Bash) Cleaning up a hard drive (under Linux) - narkisr

Mon, 15 Dec 2008 17:01:27 UTC

A simple method of clearing the data of a hard drive (writing zeros all over it).

(Bash) Creating a new filesystem within a file - narkisr

Mon, 15 Dec 2008 16:39:53 UTC

Basic file system manipulation in Linux (some commands require sudo).

(Groovy) Running an Ant target programmaticly - narkisr

Mon, 24 Nov 2008 06:41:57 UTC

An example on how to invoke Ant targets which are defined in build.xml.

(Bash) Synching two folders with rsync - narkisr

Fri, 14 Nov 2008 07:34:44 UTC

This is useful for syncing two folders on different computers over ssh (the default transport of rsync).

(Ruby) Ruby Outlook automation in cygwin - narkisr

Tue, 28 Oct 2008 18:16:17 UTC

Simple Outlook automation, the idea is to use this in cygwin to send files without opening the outlook UI, to use it place the code under /bin folder and make it executable with chmod +x.

(Bash) Bash function to easily add files to svn - narkisr

Mon, 20 Oct 2008 06:07:20 UTC

Simple function which makes it easy to add files to svn in bash (add this to your .bashrc file).

(Groovy) Cloning an object in Groovy (using MOP) - narkisr

Thu, 18 Sep 2008 10:39:33 UTC

This example shows how to clone an object from an existing one by using MOP in Groovy, first we find all the writable properties of the cloned object class, secondly we traverse them and on each iteration we copy the value from the current object into the newly created one.