Function description: Lists a list of files (including subdirectories) in a specified directory, but does not display the contents of the files
Usage: ls [OPTION]... [FILE]...
Show all files, including hidden files
Show all files except.And..
Show detailed properties of the file
Converts the f ...
Posted by mcovalt on Thu, 28 May 2020 18:33:58 +0200
There are many built-in commands in the script, but sometimes we want to customize some commands, because writing a script is not as convenient as typing a command.
However, there is no document for the custom command on the scrap website. There is only one sentence: you can also use the commands_ The module setting adds a custom projec ...
Posted by wolfcry044 on Tue, 19 May 2020 10:00:43 +0200
Loss function, back propagation
Loss function: the difference between the predicted value and the correct value.Objective: to find a set of parameters w and b to minimize the loss function.Gradient: the vector after the function calculates the partial derivative for each parameter. The downward direct ...
Posted by uramagget on Wed, 11 Mar 2020 07:33:18 +0100
Image Processing Basis
1. Software Installation
In the computer vision course, image processing is done in the python environment, so you need to select the software that can edit the python statement. The visual interface of PyCharm is selected here. In addition, there are editors such as VScode,Su ...
Posted by wildcolour on Sun, 23 Feb 2020 04:13:37 +0100
1, Manage file system
1. Creating an EXT4 file system
The mkfs (Make Filesystem) command is used to create a file system (format). The basic syntax format of the mkfs command is as follows:
1) mkfs application example
Format the / dev/sdb1 partition as an EXT4 file system.
<! -- self planning zone -- >
[root@centos01 ~]# fdisk / ...
Posted by Namadoor on Mon, 17 Feb 2020 08:35:31 +0100
python draws 2091 ncov epidemic map
In the first two phases, we have done the work of obtaining real-time tracking data of epidemic situation and building logistic model with confirmed data
python obtains real-time tracking data of 2019-nCoV epidemic
Posted by phpdolan on Mon, 10 Feb 2020 11:35:54 +0100
1. Install the video card driver
2. Install CUDA\CUDNN
3. Install tensorflow GPU
1. Install the video card driver
Check the driver and model of the video card
$ sudo rpm --import https://www.elrepo.org/RPM-GPG-KEY-elrepo.org
Add ELPepo source
$ sudo rpm -Uvh http://www.elrepo.org/elrepo-release-7.0-2.el7.elrepo.noarch.rpm
Posted by bsbotto on Sat, 04 Jan 2020 00:17:58 +0100
The main contents of this chapter are as follows:
Python Keyword - cdef
Typedef and function pointer
C / C + + log to Python
C / C + + calls Python ConfigParser
Python to C / C + + callback
Integration with build systems
Embedding python in C/C + +
Posted by _rhod on Sat, 28 Dec 2019 16:21:24 +0100
Install NVIDIA drive
1. Driver download address: https://www.nvidia.cn/Download/index.aspx?lang=cn
2. Unload the original drive
sudo apt-get remove nvidia-*
sudo apt-get autoremove
shutdown -r now
3. Drive installation
sudo service lightdm stop
sudo sh ./filenam ...
Posted by doug007 on Sun, 17 Nov 2019 16:37:31 +0100
1. Common directories and explanations in LinuxWhere to save the 1 bin command file2 SBIN Commands that only root users can use3 boot (know it) Directory where information is saved when a Linux program starts4 Directory where dev device files existDirectory where 5 etc file configuration information and service configuration information exist6 ...
Posted by mysty on Sun, 08 Sep 2019 04:12:19 +0200