I have a table with a field called PATH; this field has the following format (each record is a new row):
PartitionA \ PathA
PartitionA \ PathA \ Location
PartitionA \ PathA \ Location \ Share
PartitionA \ PathA \ Location \ Share \ FolderUserA
PartitionA \ PathA \ Location \ Share \ FolderUserA \ fileA.txt
PartitionA \ PathB
PartitionA \ PathB \ Location
PartitionA \ PathB \ Location \ Share
PartitionA \ PathB \ Location \ Share \ FolderUserB
PartitionA \ PathB \ Location \ Share \ FolderUserB \ fileB.txt
...
I want to get the highest folder for each user. For this example, i want to get:
PartitionA \ PathB \ Location \ Share \ FolderUserA
PartitionA \ PathB \ Location \ Share \ FolderUserB
I'm not saying you should or shouldn't restructure the data, but this would be easier to solve if the data was hierarchical - either using normalization or the hierarchical data type. However... would it be sneaky to just:
order by len(path) - len(replace(path,' \ ','') desc
(along with whatever grouping etc you need)
Related
I'm trying to mirror a section of intranet TWiki for offline usage as follows:
wget \
--user=twiki \
--password=******** \
--recursive \
-l 2 \
--adjust-extension \
--page-requisites \
--convert-links \
--reject-regex '\?rev=' \
--reject-regex '/twiki/rdiff/' \
--reject-regex '/twiki/attach/' \
--reject-regex '/twiki/edit/' \
--reject-regex '/twiki/oops/' \
--reject-regex '\?raw=on' \
--reject-regex '\?cover=print' \
http://twiki/cgi-bin/twiki/view/SectionToMirror/
For some reason all --reject-regex are ignored. The content I want to reject appears in the copy. Running the above command without any --reject-regex rules renders the same results.
What am I doing wrong?
I've created a very minimal image for the jetson nano with the recepe:
inherit core-image
inherit distro_features_check
REQUIRED_DISTRO_FEATURES = "x11"
IMAGE_FEATURES += "package-management splash"
CORE_OS = "packagegroup-core-boot \
packagegroup-core-x11 \
packagegroup-xfce-base \
kernel-modules \
"
WIFI_SUPPORT = " \
ifupdown \
dropbear\
crda \
iw \
"
DEV_SDK_INSTALL = " \
opencv \
opencv-samples \
gstreamer1.0-omx-tegra \
python-numpy \
binutils \
binutils-symlinks \
coreutils \
cpp \
cpp-symlinks \
diffutils \
elfutils elfutils-binutils \
file \
g++ \
g++-symlinks \
gcc \
gcc-symlinks \
gdb \
gdbserver \
gettext \
git \
ldd \
libstdc++ \
libstdc++-dev \
libtool \
ltrace \
make \
pkgconfig \
python3-modules \
strace \
"
EXTRA_TOOLS_INSTALL = " \
bzip2 \
ethtool \
findutils \
grep \
i2c-tools \
iproute2 \
iptables \
less \
lsof \
nano \
nmap \
tcpdump \
unzip \
util-linux \
wget \
zip \
curl \
"
IMAGE_INSTALL += " \
${CORE_OS} \
${DEV_SDK_INSTALL} \
${EXTRA_TOOLS_INSTALL} \
${WIFI_SUPPORT} \
"
To play around with a raspberry pi v2.1 camera. Everything works so far except ethernet access.
When I run
ifconfig
I get an IPv6 ip-address and everything is looking good (except I would also want a ipv4 address if but haven't looked into that yet). But when I run the command
ping google.com
Is says "ping: bad address 'google.com' and if I run ping on 8.8.8.8 it returns "ping: sendto: network is uncreachable".
It's not the ethernet cable or my router that has a problem, as the same ethernet cable and access works just fine on my PC. When the ethernet is connected to the jetson nano, the green light is constantly on while the orange light is constantly blinking.
What could be causing the problem and how do I fix it and get access to the internet again?
I ran the command:
ifup eth0
I got a ipv4 address and then everything worked.
Is it possible to build all of the packages for a specific image? I know I can build packages individually, but ideally would like to build all of them at once, through a single command.
Alternatively, is there a way to prevent the do_rootfs task from being executed for a particular image.
Cheers, Donal
First make an image that contains a packagegroup (or just list your dependencies there).
$ cat sources/meta-custom/recipes-custom/images/only-packages-image.bb
SUMMARY = "All dependencies no image"
LICENSE = "CLOSED"
version = "##DISTRO_VERSION##"
BB_SCHEDULER = "speed"
# option 1 - packagegroup, package list can be reused in real image
CORE_IMAGE_BASE_INSTALL += "\
packagegroup_all-depends \
"
# option 2 - list deps here, package list can not be reused in real image
CORE_IMAGE_BASE_INSTALL += "\
lshw \
systemd \
cronie \
glibc \
sqlite \
bash \
python3-dev \
python3-2to3 \
python3-misc \
python3-pyvenv \
python3-modules \
python3-pip \
wget \
apt \
pciutils \
file \
tree \
\
wpa-supplicant \
dhcpcd \
networkmanager \
curl-dev \
curl \
hostapd \
iw \
"
# remove the rootfs step
do_rootfs() {
}
Second make your packagegroup if you opted to reuse the list of packages
$ cat sources/meta-custom/recipes-custom/packagegroups/packagegroup-alldeps.bb
PACKAGE_ARCH = "${MACHINE_ARCH}"
inherit packagegroup
RDEPENDS_${PN} = " \
lshw \
systemd \
cronie \
glibc \
sqlite \
bash \
python3-dev \
python3-2to3 \
python3-misc \
python3-pyvenv \
python3-modules \
python3-pip \
wget \
apt \
pciutils \
file \
tree \
\
wpa-supplicant \
dhcpcd \
networkmanager \
curl-dev \
curl \
hostapd \
iw \
"
Finally build your new image placeholder
$ bitbake only-packages-image
In Yocto >=4.0 this is actually pretty easy to achieve. The packagegroup method did not work for me at all.
I don't know if this works in older versions though.
Create a new file in your custom layer, e.g. meta-custom/classes/norootfs.bbclass and put the following lines in there (as far as I noticed the order does not matter):
deltask do_deploy
deltask do_image
deltask do_rootfs
deltask do_image_complete
deltask do_image_setscene
then in your meta-custom/recipes-core/images/myimage.bb add norootfs to your other inherit commands
e.g. the most basic one
inherit core-image norootfs
You will notice your number of tasks decreasing by a fair amount (mine from ~4700 to ~3000) and there is no complete rootfs image anymore in build/tmp/deploy/images, except for bzImage and modules, just the plain ipk files in build/tmp/deploy/ipk.
I got this information by looking at https://docs.yoctoproject.org/ref-manual/tasks.html?highlight=do_image and .bbclass files in meta/classes where deltask is frequently used.
I'm just starting to learn STM32 development (on Ubuntu 16.04).
I've used STM32CubeMX to build a Makefile-based project.
The generated Makefiles have repeated entries in C_SOURCES which (obviously) cause linking to fail because of duplicated symbols.
C_SOURCES = \
Src/stm32f0xx_it.c \
Src/stm32f0xx_hal_msp.c \
Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_rtc.c \
Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_tim_ex.c \
Src/stm32f0xx_it.c \
Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_rcc_ex.c \
Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_tim.c \
Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_uart_ex.c \
Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_i2s.c \
Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_pcd.c \
Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_dma.c \
Src/usbd_conf.c \
Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_pwr_ex.c \
Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_cortex.c \
Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_i2c_ex.c \
Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_flash.c \
Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_ctlreq.c \
Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal.c \
Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_pcd_ex.c \
Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_pwr.c \
Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_rtc_ex.c \
Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_uart.c \
Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_rcc.c \
Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_ioreq.c \
Src/usb_device.c \
Src/usbd_desc.c \
Src/stm32f0xx_hal_msp.c \
Middlewares/ST/STM32_USB_Device_Library/Class/HID/Src/usbd_hid.c \
Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_cec.c \
Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_crc.c \
Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_gpio.c \
Src/usbd_desc.c \
Src/usbd_conf.c \
Src/system_stm32f0xx.c \
Src/usb_device.c \
Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_core.c \
Src/main.c \
Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_crc_ex.c \
Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_i2c.c \
Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_flash_ex.c \
Src/main.c
Src/main.c, Src/stm32f0xx_hal_msp.c, Src/stm32f0xx_it.c, Src/usbd_conf.c, Src/usbd_desc.c and Src/usb_device.c are each in this list twice.
If I remove the duplicates from the Makefile, the generated project builds.
Am I doing something wrong, or is this a bug in STM32CubeMX?
This is a bug and it has been already reported at ST Generated Makefile has duplicated entries for some source files.
The correction should be available in CubeMX 4.26.0 version.
I have a problem installing Magento 2. I set the web configuration and i click on the next button, but it is not going on the next step. I tried to set the admin url.
Yo can try install it via comand line.
bin/magento setup:install --backend-frontname="adminlogin" \
--key="YOUR MAGENTO2 REPO KEY" \
--db-host="localhost" \
--db-name="DB_NAME" \
--db-user="MYSQL USERNAME" \
--db-password="PASSWORD FOR MYSQL USER" \
--language="en_US" \
--currency="USD" \
--timezone="America/New_York" \
--use-rewrites=1 \
--use-secure=0 \
--base-url="http://YOUR.DOMAIN" \
--base-url-secure="https://YOUR.DOMAIN"" \
--admin-user=adminuser \
--admin-password=admin123# \
--admin-email=admin#newmagento.com \
--admin-firstname=admin \
--admin-lastname=user \
--cleanup-database
Try it and let me see errorlog, if it doesn't worked for you.
Maybe you have troubles with server or permissions configs.