Embedded world 2020… Per realizzare qualsiasi tipo di progetto, la soluzione se non c’è te la assembli. Tutti i fornitori del settore dalla A alla Z!!! Molto specialistica, unica pecca secondo me la mancanza di una zona di workshop per incentivare giovani e dare visibilità alle startup. l
A reverse proxy is a type of proxy server that accepts HTTP (S) requests and transparently distributes them to one or more backend servers. You can use a reverse proxy to prevent direct access to these underlying application servers. They can also be used to distribute the load of incoming requests to different application servers.…
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Configuring an OpenVPN over pfSense is quite simple. In this video you can see, how to configure a VPN on the lastest release of pfSense using the VPN Wizard.
Configure svn server over Apache2, using https.
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sudo apt update sudo apt upgrade sudo apt-get install apache2 sudo apt-get install subversion libapache2-mod-svn subversion-tools libsvn-dev sudo a2enmod dav dav_svn sudo service apache2 restart sudo mkdir -p /var/lib/svn/ sudo svnadmin create /var/lib/svn/apprepo sudo chown -R www-data:www-data /var/lib/svn sudo chmod -R 775 /var/lib/svn sudo touch /etc/apache2/dav_svn.passwd |
ora impostiamo la password del primo utente:
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sudo htpasswd -cm /etc/apache2/dav_svn.passwd <username> |
configuriamo gli accessi:
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sudo nano /etc/apache2/mods-enabled/dav_svn.conf |
configuriamo gli accessi
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sudo nano /etc/apache2/dav_svn.authz |
riavvio di apache:
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sudo service apache2 restart |
TFormatsettings is record type in Delphi which is used to get or set local information’s like DateTimeFormat, CurrencyFormat, DecimalSeparator etc. wich is declared in System.SysUtils. For Example you need to retrive your current DecimalSeparator:
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procedure TForm1.Button1Click(Sender: TObject); var fs: TFormatSettings; begin GetLocaleFormatSettings(LOCALE_SYSTEM_DEFAULT, fs); ShowMessage('Actual decimalseparato is:' + fs.DecimalSeparator); end; |
If you need to force some local settings for conversions you can do for example:
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procedure TForm1.Button1Click(Sender: TObject); var myMoney : String; FS : TFormatSettings; myMoneyFloat: Extended; begin myMoney := '100000,66'; FS.DecimalSeparator := ','; myMoneyFloat := StrToFloat(myMoney,FS); ShowMessage('Your actual balance:' + myMoneyFloat.toString); end; |
If you want to…
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How to get record number of dataset using row_number window function with over().
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SELECT row_number() over(), t.* FROM test t |
Example of record number of dataset with even and odd column sorting.
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SELECT row_number() over(), (CASE WHEN mod(row_number() over(),2) = 0 THEN 'even' ELSE 'odd' END) AS my_column, custom.* FROM ( SELECT t.* FROM test t ORDER BY t.description ) custom |
With bash you can more and more… In linux you can use the “find” command from terminal and execute a command for each result simply. To change all subfolder permission from a folder recursively you can type:
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find /home/xtr/Desktop/myFolder -type d -print0 |xargs -0 chmod 755 |
now all falders have the execution permission. To change all files permission from a folder recursively you…
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