Use NModbus4 to read serial port public static void aget() {byte[] array = new byte[8]; using (SerialPort port = new SerialPort(“COM3”)) {port.BaudRate = 9600; port.DataBits = 8; port.Parity
Tag: value
Unattended BIOS configuration (DL160SE G6)
We are working on a large-scale server deployment (DL160SE G6) and I need to find a way to configure their B IOS settings without going through the RBSU of each server-it will cost Too long.
iPhone – Set a value from nsDictionary for cgrect.frame.size
I generate a dictionary from a JSON string, and the value of one of the dictionary is intended to be used as the height of the WebView object.
NSDictionary *dic = [jsonParser objectWithString
IPAD direction returns unknown value
I use this code:
UIDeviceOrientation orientation = [[UIDevice currentDevice] orientation];
Get the iPad orientation, but in When rendering with OpenGL, it returns UIDeviceOrientationUnk
SQLite – Group By timestamp value range
I spent a lot of time reading and still can’t find the best solution. I am designing an Android calorie counter application and I am using SQLite.
I have a table_logs table, in which There are 2 f
iPad – Why does UIALERTCONTROLLER in iOS7 receive NIL values?
Why is it good that UIAlertController in iOS7 needs to be presented but receives nil value when working on iOS8. Maybe I know that is because iOS7 does not support UIAlertController class?
UI
SQLITE C interface Get single-value results
When I enter Sqlite
SELECT Count(*) FROM tabl; It returns a Number.
How to use the C interface to get this number after preparing the statement?
Something like this:
sqlite3
Monotouch’s mono.data.sqlite: How to get the value of the auto increment field after inserting a line?
Well, this may be very basic stuff, but it took me a long time to figure it out. I think there are more .NET programmers like me, Monotouch and SQLite Newbies don’t know this.
I use Ado.NET (
Day41 – numeric type, integrity constraint
day41 Numeric type Integer type
mysql> create table t1(id tinyint); # The default is signed, that is, there is a sign before the number Unsigned setting mysql> create table t1(id tinyint uns
PostgreSQL Update the JSONB column using another list
I want to migrate data from one column (varchar) to another (jsonb)
Column | Type | Modifiers < br />————+—————————–+—- ——————————————