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  • Thinking in Angular 4: Templates

    calendar Jul 28, 2018 · 2 min read
     en featured knowledgebase  · great-ideas javascript javascript-war
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    Thinking in Angular 4: Templates

    To understand Angular 4, after the “Hero” tutorial you should start from the Template syntax. 


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  • L’ovviologo

    calendar Sep 28, 2017 · 2 min read
     it knowledgebase
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    L'ovviologo

    Ci sono una nuova generazione di “nullasapienti”, persone che con una inutile laurea (tipicamente in legge) diventano giornalisti dilettanti, seguono i trend della “blogosfera” e leggono magari qualche bel libro di comunicazione.

    Il risultato è che pubblicano video che non sono scontati, non sono banali ma non sono neppure perle di saggezza. Sono ovvi. La cosa diventa meno bella se mettendoci la loro faccia, vogliono pure dei soldi da voi.


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  • Esp8266 your WiFi Embedded solution

    calendar Sep 3, 2017 · 2 min read
     en esp8266 featured knowledgebase  · esp8266
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    Esp8266 your WiFi Embedded solution

    Arduino is a great hardware for a lot of reason: easy to use, difficulto to break, it is a very solid 5-Volt board.


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  • Removing duplicate rows in PostgreSQL, Oracle and SQLite

    calendar Jun 15, 2017 · 1 min read
     en knowledgebase sql  · evil oracle postgresql sql
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    Removing duplicate rows in PostgreSQL, Oracle and SQLite

    Sometimes you need to remove nasty duplicate on a table, based on a subset of the column. On every big database there is something called “rowid” which can be used to indentify a column in a unique way. On PostgreSQL is called ctid, as we shall see:


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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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    Giovanni Giorgi

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