how to add a new function to core - Joomla! Forum - community, help and support

-

hi,
i found function in joomla
   listitemtask
for understand can open item in list if this: listitemtask('cb1','orderdown') order list far good.
i have searched can´t find this:  listitemtask located in script file?
i need creat function "if joomla don´t have , think not" can open record example if this:
open_item('1','from_db_x',order_xpto') open item in x form determine , work components have in joomla great question the  listitemtask creat other function ? , need change , joomla know must return show me item in form want?
thanks lot :)

i don't know mean, might able make mambot (or component?) extend class listitemtask function in want.  sorry can't more specific.





Comments

Post a Comment

Popular posts from this blog

sd card Could not find FAT16/FAT32 partition [solved]

-
Image
hi, while checking sd card connection, the error message shown below: initializing sd card...wiring correct , card present. card type: sdhc could not find fat16/fat32 partition. make sure you've formatted card --------------------------------- how can fix problem? i've bought micro sd card (samsung microsdxc) don't think it's problem of old version.. thanks help! which version of sd library using(can checked @ sketch > include library > manage libraries... )? there issue 1.1.0 1.1.1 should fix it. Arduino Forum > Using Arduino > Storage > sd card Could not find FAT16/FAT32 partition [solved] arduino
Read more

Sketch upload fails with Java error (___REMOVE___/bin/avrdude)!

-
hi, i'm getting same error despite have tried 2 boards , done arduino reinstall in windows 7 machine! while trying update "bareminimum" in verbose mode: code: [select] arduino: 1.8.0 (windows 7), board: "arduino/genuino uno" sketch uses 450 bytes (1%) of program storage space. maximum 32256 bytes. global variables use 9 bytes (0%) of dynamic memory, leaving 2039 bytes local variables. maximum 2048 bytes. ___remove___/bin/avrdude -c___remove___/etc/avrdude.conf -v -patmega328p -carduino -pcom8 -b115200 -d -uflash:w:c:\users\rui\appdata\local\temp\arduino_build_445303/bareminimum.ino.hex:i java.io.ioexception: cannot run program "___remove___/bin/avrdude": createprocess error=2, system cannot find file specified  at java.lang.processbuilder.start(processbuilder.java:1048)  at processing.app.helpers.processutils.exec(processutils.java:26)  at cc.arduino.packages.uploader.executeuploadcommand(uploader.java:129)  at cc.arduino.p...
Read more

DHT11 Time out error using v0.4.1library

-
Image
i'm struggling dht11 sensor work on arduino. code compiles without problems in serial monitor output keep on getting " read sensor: time out error" i've tried multiple libraries, adafruit etc still none of them worked. set serial monitor same speed (115200) didn't fix problem.  i'm using:  mega2560  dht11 temp+hum sensor windows10 x64 arduino 1.6.9 library dht11.h v0.4.1 source:  http://playground.arduino.cc/main/dht11lib wiring : blue = gnd yellow = 2 red = 5v (also see picture)  my code:    code: [select] #include <dht11.h> // //   file:  dht11_test1.pde // purpose: dht11 library test sketch arduino // //celsius fahrenheit conversion double fahrenheit(double celsius) {   return 1.8 * celsius + 32; } // fast integer version rounding //int celcius2fahrenheit(int celcius) //{ //  return (celsius * 18 + 5)/10 + 32; //} //celsius kelvin conversion double kelvin(double celsius) {   return ...
Read more