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"Gtk-WARNING **: cannot open display:

It's will be too difficult understand my word cause my English Level... sorry.

following tutorial [doc.Opencv.org], and in Linux_Eclipse, i met some a problem.

when it Debug, [Display Image:3131): Gtk-WARINIG **: cannot open dispaly:] was show.

so i create the Debug environment value named DISPLAY, valued [:0.0], but it's didn't work. it's show different error

[Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/arm-linux-gnueabihf/libthread_db.so.1"

All about it in Raspberry

how i can fix it?

"Gtk-WARNING **: cannot open display:

It's will be too difficult understand my word cause my English Level... sorry.

following tutorial [doc.Opencv.org], and in Linux_Eclipse, i met some a problem.

when it Debug, [Display Image:3131): Gtk-WARINIG **: cannot open dispaly:] was show.

so i create the Debug environment value named DISPLAY, valued [:0.0], but it's didn't work. it's show different error

[Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/arm-linux-gnueabihf/libthread_db.so.1"

All about it in Raspberry

how i can fix it?it? might i have some advice?