I downloaded Xamarin.Forms QuickStart Projects (server and client) from the azure mobile app, then published the server project and it has been fine so far, but I can’t access the table control Unl
Month: August 2021
PDM instance of computer room charging system
PDM(Physical DataModel)that is, physical data model,It details the physical realization of the database, Here we will specifically consider the details of physical implementation,including data sto
Debian – Delete dead HD in RAID1?
I am in debian, raid1, and one of the drives seems to be dead.
root@rescue ~ # cat /proc/ mdstat
Personalities: [raid1]
md1: active raid1 sda2[0]
486279424 blocks [2/1] [U_]
md0: active raid
Application of 4G industrial routers in intelligent security and monitoring
Securely remotely monitor your facility
The security and surveillance industry is changing, and solutions go far beyond basic alarm monitoring. Real-time video surveillance and other remote s
.NET – SIGNEDXML.CHECKSIGNATURE throws an exception: value cannot be null. Parameter name: Name
I am writing a piece of code to verify the Xml signature in the X509 certificate and get the exception message in the subject line.
My sample code
Dim cert As X509Certificate2 = GetCert
DRBD + HeartBeat + MySQL High Available
1. Planning
System CentOS 64bit
DRBD version 9.0.0
Heartbeat version 3.0.6< /span>
MySQL version 5.6.27
< span style="font-family:'黑体', SimHei;"> DRBD disk/dev/sdb1< /
13 experts’ predictions on virtual reality: cold eyes look hot, VR can really change our interaction?
The entire VR circle this year The most popular picture is Zuckerberg wearing a gray T-shirt smiling as he walks through a crowd immersed in the VR world at Samsung’s VR conference. This picture al
.NET – Clear a blue service bus queue
We use the Service Bus queue in our project. When the administrator chooses to clear the queue, we need a function to delete all messages in the queue. I searched the Internet but couldn’t find it
Azure Additional BLOB Slow Read Performance
I have observed that when the blob is appended thousands of times or more, the read speed from Azure Append Blob is very slow. The write/append speed is fast, but the read Thousands of typical log
3 element and browser operation method
Operation method of element and browser 1 Common operation method of element clear() Clear the text
send_keys() Analog input
click() Click the element 2 WebDriver common methods for operating brows