Pycharm is generally used when using Python, but the problem of registration code is usually encountered when using pycharm
Here's how to activate pycharm s with a registration code
1. Modify the hosts file:
Add the following line to the hosts file to block pysharm's verification of the activation code
0.0.0.0 acco ...
Posted on Wed, 01 Apr 2020 23:00:03 -0400 by hexdsl
I browsed a material about shell programming.
While looking up the data and experimenting, I learned some knowledge that I didn't know before.
*help -m is the local search method of linux command help. If you can't find it with man and info before, you have to go online to search. This solution c ...
Posted on Wed, 01 Apr 2020 12:38:02 -0400 by warriors2003
Previous articles describe the Nginx process model and some of the things that make Nginx support high concurrency based on asynchronous and non-blocking mechanisms.This article details the configuration file for Nginx (the main configuration file nginx.conf file) and the architecture of Nginx.
Overview of Nginx configuration files
Posted on Wed, 01 Apr 2020 10:04:17 -0400 by EY
Channel configuration parameters
(1) . general parameters
Netty Parameter, the number of connection timeout milliseconds. The default value is 30000 milliseconds, or 30 seconds.
Netty Parameters, once Loop Maximum number of messages read, for ServerChannel perhaps NioByteChannel，Default is 1 ...
Posted on Wed, 01 Apr 2020 08:47:20 -0400 by dreamdelerium
. check whether other versions of mysql are installed and uninstall
(when installing linux, mysql is often installed by default.)
[root@localhost ~]# yum list installed | grep mysql
[root@localhost ~]# yum remove mysql-libs.x86_64
1. Download the installation package
[root@localhost ~]# wget http://cdn.mysql. ...
Posted on Tue, 31 Mar 2020 23:05:34 -0400 by Norsk.Firefox
In most cases, certificates are required for secure access to services (i.e., HTTPS access). In a kubernetes cluster, if anonymous access is turned off, cluster HTTPS access is turned on and TLS two-way authentication is turned on; for example, when a worker node component HTTPS accesses an apiserver service, Apiserver also needs to verify t ...
Posted on Tue, 31 Mar 2020 21:23:43 -0400 by step
The basic import and export statements are
//Import / export database under specified user and instance orcl
impdp/expdp user/pwd@orcl directory=DATA_PUMP_DIR
Data ﹣ pump ﹣ dir is the default export path of oracle database files. It is generally the / admin / orcl (instance name) / dpdump directory under the orac ...
Posted on Tue, 31 Mar 2020 19:00:36 -0400 by vince251
Common ioctl commands
VIDIOC_QUERYCAP /* Get device supported actions */
VIDIOC_G_FMT /* Get to set supported video formats */
VIDIOC_S_FMT /* Format captured video */
VIDIOC_REQBUFS /* Request memory from driver */
VIDIOC_QUERYBUF /* Memory applied to driver query */
Posted on Tue, 31 Mar 2020 17:31:26 -0400 by mepaco
RHEL6 mistakenly uses RHEL7's CD-ROM source. After installing an RPM package, glibc is upgraded, which leads to system crash.
[root@rhel65 ~]# yum install ftp
Loaded plugins: product-id, refresh-packagekit, security, subscription-manager
This system is not registered to Red Hat Subscription Management. You can use subscription-manager t ...
Posted on Tue, 31 Mar 2020 16:09:05 -0400 by yurko
Neo4j is divided into Community Edition and Enterprise Edition. The Community Edition is free.
The installation of Neo4j requires some hardware and system, such as CPU, Memory, Disk, Filesystem, Software, etc
As for CPU, the minimum re ...
Posted on Tue, 31 Mar 2020 08:39:59 -0400 by dwnz