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  • Emacs insert series

    calendar Mar 23, 2017 · 1 min read
     en knowledgebase  · emacs relax
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    Emacs insert series

    In Excel you can easily fill in a column with a list of values. Some times also in Emacs you my need to write down a bunch of similar code. The dotimes function with the “elsp eval” M-x : (Esc + : on windooze) will solve your trouble easily. Try out this code on scratch buffer:


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  • Italian Accent Oracle fix

    calendar Feb 10, 2017 · 1 min read
     en sql  · oracle relax
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    In Italian language we have accent words like àèéìòù

    They are quite important because for instance “is” is spelled

    è

    whereas “and” is spelled

    e

    Accent are bad guys even today: if you copy them from MS-Word inside an Oracle sql script you can end up with different UTF-8 values. Also the accent are likely to be destroyed if you past them in your html page without using the correct html entity (i.e. è )


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  • Arduino Real Time OS Evolution (flash news)

    calendar Feb 7, 2017 · 1 min read
     arduino  en
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    Arduino Real Time OS Evolution (flash news)

    A new version of an Arduino Realtime OS is on the go:

    https://github.com/greiman/ChNil

    I have used with profit and fun NilRTOS, and I strongly suggest to you this new variant.

    A preemptive multi tasking RTOS in a 2KB 1-MIPS, 8 bit microcontroller remember be the ugly time when a MS-Windows 3.x with 1 MB of RAM was an inferior operative system no-preemptive at all, but with nice software like Excel and Access

  • Org Mode parser 0.1.3 is out!

    calendar Jan 31, 2017 · 1 min read
     en org-mode-parser software-projects  · org-mode
     ·
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    Beauty (OrgMode Parser 0.1.3) is here to stay! OrgMode parser is a small nodeJS library to parse Emacs OrgMode files (more info at this link).

    This version features:

    • Fixed empty header issue
    • Code Cleanup
    • Migration from jade to pug2 (new name of jade)
    • Added optional logging framework (winston)

    Also I’d like to thank all the people contributed: I have a list now.


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  • La mia esperienza nell’open source

    calendar Jan 15, 2017 · 4 min read
     it knowledgebase org-mode-parser software software-projects  · github opensource
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    La mia esperienza nell'open source

    Nel 2011,  per studiare node js creai un progetto chiamato OrgModeParser.

    Org Mode è un package per l’editor Emacs, ed è pensato per tenere note strutturate, pianificare progetti con una schedulazione, mantenere una lista di cose da fare e generare poi documenti word o html da tali file in modo piuttosto efficace.


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  • AngularJS alterantive: Micro JavaScript framework on the 2017

    calendar Jan 8, 2017 · 2 min read
     en knowledgebase software
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    AngularJS alterantive: Micro JavaScript framework on the 2017

    AngularJS is indeed a good framework, but if you lose some grip on it (i.e. you go in vacation for 2 weeks), it is very complex to re-grasp.

    Also I have seen junior JavaScript developer confused my $scope use.

    JavaScript on client side has damned destiny: it is too easy to develop a framework from scratch: so roll you dice, cross your finger and find plenty of AngularJS alternatives


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  • OOP is the your new legacy

    calendar Dec 19, 2016 · 2 min read
     en lang software  · erlang functional-programming ideas java javascript lisp
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    OOP is the your new legacy

    Today I took a light rail with my son, to bring him to school. That tram is 90 years old. It has been maintained for 90 years. Milan city sold some of them to San Francisco too.


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  • Org Mode parser 0.1.2 is out!

    calendar Dec 16, 2016 · 1 min read
     en org-mode-parser  · org-mode
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    After  a lot of time, I am very happy and excited to announce a new release of org mode parser!

    I thank a lot the contributors. In short, we have a stronger parser and a new html rendering based on jade template engine.

    Also code blocks Support for source block enclosed in  #+begin_src / #+end_src are supported and marked with special CSS class and data attribute.


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  • Oracle Auto increment trigger HOWTO

    calendar Dec 13, 2016 · 1 min read
     en featured knowledgebase sql  · oracle tip
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    Oracle Auto increment trigger HOWTO

    Oracle SQL Developer is full of nice feature, damned by a overwhelming options pane, like the one I will describe to you right now.

    Even if  Oracle databases (<12) does not support auto increment, you can easily ask to your sql data modeler to generate for you a sequence and a trigger in a automatic way.


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  • 2017 Site redesign

    calendar Dec 13, 2016 · 1 min read
     site
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    After 6 years, Gioorgi.com is in “redesign mode”: site design is evolving!

    New Site design will slowly roll out in the next month: stay with us until mid-January for new feature articles.

    New shiny Wordpress theme is on the go: menu bar and layout will “pop” during the next three weeks.


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  • West world: lento lento lento

    calendar Dec 4, 2016 · 2 min read
     it
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    -Tieni sceneggiatore, il soggetto è questoquà (<paft>, rumore di sceneggiatura sul tavolo). -Hum signore ma ci sarà materiale per massimo 3-4 puntate qua... -Dobbiamo farne dieci e pure uno spunto (cliffhanger) per una seconda serie. Allunga le cose -Dottò ma è impossibile... -Aho provacé!....


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  • I am smarter syndrome

    calendar Nov 29, 2016 · 2 min read
     en software  · java
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    I am smarter syndrome

    Sometimes in University I found bold young guy saying something like:

    I will reimplement this in machine language because is faster

    I will reimplement this xyz C function by my own

    My program crash, I think there is a bug in HP UNIX socket implementation

    I will ge rid of this Java Garbage Collector because it is too slow. I will reimplement all the code in my C++ routine.

     

    Belive me: your code is doomed. A full list of guys have already done your same code, found a million bugs and corrected it in the tool you want to replace because they are shitty slow, to your eyes.

    I feel your pain because I made your same mistake. Keep reading.


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  • Oracle Database Sync

    calendar Nov 22, 2016 · 1 min read
     en featured knowledgebase sql  · oracle tip
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    Oracle Database Sync

    Oracle SQL Developer is full of nice feature, damned by a overwhelming options pane, like the one I will describe to you right now.

    I will show here a very fast way of comparing different database and auto-generate migration script.

    1. Reverse engineer the source database using Oracle Data Modeler
    2. Now select the right arrow  shown below: sync-with-db
    3. Select the destination datasource (more here) when asked.
    4. The compare pane will enable you to compare the databases. But the default options will also use schema name to detect different object, so you will not get what you want in every scenario. In 50% of my daily job, schema are different, so you must select the options below to fix it: Select "Options" and then "Compare options". Then  de-select "Use schema property" like suggested below: magic-option
    5. Push the "Sync new object". Then push the "DLL Preview" button and inspect the generated database.
    6. Bonus: by default the tool will not include tables to drop. Inspect the two pane ad check the table you want to drop in the left pane.
    7. Refrain launching the script without proper testing. You are migrating your valuable data.
  • Pandoc: your secret best friend in document translation

    calendar Nov 13, 2016 · 1 min read
     en knowledgebase  · lisp tools
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    Pandoc: your secret best friend in document translation

    Pandoc is an universal document converter to convert Markdown, Org-Mode, Html, Word documents from one markup format into another  After using different tools, (including GNU info and SGML). I find out pandoc vert handy.


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  • BBC Micro bit: first look

    calendar Sep 8, 2016 · 3 min read
     arduino  en featured software  · embedded
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    BBC Micro bit: first look
    The BBC Micro bit an ARM-based embedded system designed by the BBC for use in computer education in the UK. The device has been given away free [...] [to every 11 years old pupil] in the UK, and is also available for purchase by anyone.

    This is the wikipedia definition.


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