May there be sunshine.
See also:
Learning Python, the Language
Pandas
Get column_nr in pandas/numpy.
if isinstance(X, pd.DataFrame):
X_is_df = True
row_nr = X.shape[0]
column_nr = X.shape[1]
if isinstance(X.columns, pd.core.index.MultiIndex):
df_columns_is_multi_index = True
else:
......
See also: easy2boot, Automatic-Unattended-Install-of-Ubuntu.
When installing Ubuntu, it will decide what kind of partition to use:
Ubuntu decicison tree for using entire disk:
? installer booted in EFI mode or BIOS mode?
* EFI
: use gpt and never make biosboot
* BIOS
? is the disk larg......
Check the physical NIC is connected.
lspci
Note: The NIC will be shown regardless if drivers are installed, this is a PCI feature. Ref.
Then check if it is recognized as network interfaces:
ifconfig -a
Check if it is up:
ifconfig
INSTALL
apt-get install quota
CONFIG
Add options usrquota,grpquota in /etc/fstab:
UUID=a5bcc8d7-asdf / ext4 errors=remount-ro,usrquota,grpquota 0 1
Set quota:
setquota -u -F vfsv0 USERNAME 4000000 5000000 0 0 /
4 000 000 ≈ 4GB.
OBS: block size is always 1 KB as unit, regardless file ......
OBS: cloning a VM with the status of pause (not powered-off), it canNOT re-initialize the MAC address. Thus, it is necessary to disconnect the cable and poweroff to re-initialize the MAC and then boot.
NICs
Two NICs are needed BEFORE installing the system to avoid messy issues.
To let the guests......
The insomnia client is used, (Postman is too slow, SoapUI has not been tested).