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A New Collection of Thoughtful Learning Apps — Now Available on iOS & Android

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I’m excited to share a set of mobile apps I’ve recently completed and published on both the Google Play Store and the Apple App Store. These apps are designed with a simple goal in mind: to make meaningful, structured content more accessible, whether you’re studying theology or improving your English vocabulary. 📱 Now Available on Both Platforms All apps are live and available for download: Google Play Developer Page: https://play.google.com/store/apps/dev?id=5835943159853189043 Apple App Store Developer Page: https://apps.apple.com/ca/developer/q-z-l-corp/id1888794100 📖 Theology & Confession Study Apps For those interested in Reformed theology and classical Christian teachings, I’ve developed a series of apps that present foundational texts in a clean, focused reading format: The Belgic Confession Canons of Dort Heidelberg Catechism Westminster Shorter Catechism Each app is designed to provide a distraction-free experience, making it easier to read, reflect, and revisit these im...
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fix autoconf error : possibly undefined macro: AC_SEARCH_LIBS

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configure.ac:109: error: possibly undefined macro: AC_SEARCH_LIBS If this token and others are legitimate, please use m4_pattern_allow. See the Autoconf documentation. autoreconf: /usr/local/bin/autoconf failed with exit status: 1 autoreconf failed solution sudo apt install libtool notes, all below should be installed autoconf automake m4 libtool libevent perl pkg-config
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How to install nvidia drivers on ubuntu

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First update your new system sudo apt-get update  sudo apt-get dist-upgrade ensure what graphics driver your system needs. ubuntu-drivers devices install intel driver first sudo apt-get install intel-microcode  sudo apt-get install nvidia-xxx That's all. Note: nvidia-xxx you must enter the recommended driver version displayed in ubuntu-drivers devices and I must warn you. Updating the kernel may cause you problems, so once you installed that NVIDIA driver, please don't upgrade with this commands (sudo apt dist-upgrade or sudo apt upgrade and sudo apt-get dist-upgrade), please use sudo apt-get upgrade that command will hold new kernel releases.
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Running EFL applications under Wayland based on Ubuntu 14.04 : egl wayland example

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For correct functionality when running under Wayland you must use the latest versions of all the EFL components under Wayland. As a precursor to these steps you must have downloaded and compiled Wayland as per the building instructions . example codes // gcc -o eglwayland eglwayland.c `pkg-config --cflags --libs wayland-egl egl glesv2` #include <stdlib.h> #include <stdint.h> #include <stdio.h> #include <string.h> #include <wayland-client.h> #include <wayland-server.h> #include <wayland-client-protocol.h> #include <wayland-egl.h> // Wayland EGL MUST be included before EGL headers #include <EGL/egl.h> #include <EGL/eglplatform.h> #include <GLES2/gl2.h> struct _escontext { /// Native System informations EGLNativeDisplayType native_display; EGLNativeWindowType native_window; uint16_t window_width, window_height; /// EGL display EGLDisplay display; /// EGL context EGLContext context; /// EGL surfac...
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Running EFL applications under Wayland based on Ubuntu 14.04 : elm example

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For correct functionality when running under Wayland you must use the latest versions of all the EFL components under Wayland. As a precursor to these steps you must have downloaded and compiled Wayland as per the building instructions . example codes #include <Elementary.h> static void on_click(void *data, Evas_Object *obj, void *event_info) { evas_object_del(data); } EAPI_MAIN int elm_main(int argc, char **argv) { Evas_Object *win, *btn; elm_policy_set(ELM_POLICY_QUIT, ELM_POLICY_QUIT_LAST_WINDOW_CLOSED); win = elm_win_util_standard_add("Main", "Hello, World!"); evas_object_resize(win, 1920, 1080); elm_win_autodel_set(win, EINA_TRUE); btn = elm_button_add(win); elm_object_text_set(btn, "Goodbye Cruel World"); elm_win_resize_object_add(win, btn); evas_object_smart_callback_add(btn, "clicked", on_click, win); evas_object_show(btn); evas_object_show(win); elm_run(); return 0; } ELM_MAIN()...
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Running EFL applications under Wayland based on Ubuntu 14.04, compile libdrm, mesa, wayland, weston, efl from sources

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For correct functionality when running under Wayland you must use the latest versions of all the EFL components under Wayland. As a precursor to these steps you must have downloaded and compiled Wayland. Setting up the environment apt install git autoconf automake libtool autopoint check Installing in a custom location, system wide install would break things. export WLD=$HOME/install # change this to another location if you prefer export LD_LIBRARY_PATH=$WLD/lib export PKG_CONFIG_PATH=$WLD/lib/pkgconfig/:$WLD/share/pkgconfig/ export PATH=$WLD/bin:$PATH export ACLOCAL_PATH=$WLD/share/aclocal export ACLOCAL="aclocal -I $ACLOCAL_PATH" mkdir -p $WLD/share/aclocal # needed by autotools Do not set LD_LIBRARY_PATH as your default, it will break things. Put the above in a script env.sh and source it in the terminal you wish to build the packages. libdrm sudo apt-get install xutils-dev libpciaccess-dev git clone https://anongit.freedesktop.org/git/mesa/drm cd drm/ sour...
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Fix : /bin/bash ./config.sub failed

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checking build system type... Invalid configuration 4': machine 4' not recognized configure: error: /bin/bash ./config.sub 4 failed solution: autoreconf --install then configure again.
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fix error: wl_display@1.error(wl_display@1, 1, "invalid arguments for wl_surface@6.attach")

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wl_display@1.error(wl_display@1, 1, "invalid arguments for wl_surface@6.attach") root cause： wl_surface_attach(wl_surface* surface, wl_buffer* buffer, int, int); ((wl_proxy*)surface)->display != ((wl_proxy*)buffer)->display surface's display and buffer's display were not matched. wayland server can't find the buffer object in surface's client connection. solution: correct source code, let wl_surface and wl_buffer use the same display. By the way, each time you call wl_display_get(NULL). you will get a new display.
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